Sophie: gts-devel-0.7.6-15.fc15 i686

gts-devel-0.7.6-15.fc15.i686.rpm

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><H1
><A
NAME="GTS-SURFACES"
></A
>Surfaces</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN8974"
></A
><H2
>Name</H2
>Surfaces&nbsp;--&nbsp;surface object and related functions.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN8977"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>&#13;#include &lt;gts.h&gt;


#define     <A
HREF="gts-surfaces.html#GTS-SURFACE-CLASS:CAPS"
>GTS_SURFACE_CLASS</A
>               (klass)
#define     <A
HREF="gts-surfaces.html#GTS-SURFACE:CAPS"
>GTS_SURFACE</A
>                     (obj)
#define     <A
HREF="gts-surfaces.html#GTS-IS-SURFACE:CAPS"
>GTS_IS_SURFACE</A
>                  (obj)
            <A
HREF="gts-surfaces.html#GTSSURFACECLASS"
>GtsSurfaceClass</A
>;
            <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>;

<A
HREF="gts-surfaces.html#GTSSURFACECLASS"
>GtsSurfaceClass</A
>* <A
HREF="gts-surfaces.html#GTS-SURFACE-CLASS"
>gts_surface_class</A
>          (void);
<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>* <A
HREF="gts-surfaces.html#GTS-SURFACE-NEW"
>gts_surface_new</A
>                 (<A
HREF="gts-surfaces.html#GTSSURFACECLASS"
>GtsSurfaceClass</A
> *klass,
                                             <A
HREF="gts-faces.html#GTSFACECLASS"
>GtsFaceClass</A
> *face_class,
                                             <A
HREF="gts-edges.html#GTSEDGECLASS"
>GtsEdgeClass</A
> *edge_class,
                                             <A
HREF="gts-vertices.html#GTSVERTEXCLASS"
>GtsVertexClass</A
> *vertex_class);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-ADD-FACE"
>gts_surface_add_face</A
>            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
> *f);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-REMOVE-FACE"
>gts_surface_remove_face</A
>         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
> *f);
<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>* <A
HREF="gts-surfaces.html#GTS-SURFACE-COPY"
>gts_surface_copy</A
>                (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s1,
                                             <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s2);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-MERGE"
>gts_surface_merge</A
>               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *with);
<GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       <A
HREF="gts-surfaces.html#GTS-SURFACE-READ"
>gts_surface_read</A
>                (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *surface,
                                             <A
HREF="gts-miscellaneous-macros-and-functions.html#GTSFILE"
>GtsFile</A
> *f);
<GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    <A
HREF="gts-surfaces.html#GTS-SURFACE-IS-MANIFOLD"
>gts_surface_is_manifold</A
>         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    <A
HREF="gts-surfaces.html#GTS-SURFACE-IS-ORIENTABLE"
>gts_surface_is_orientable</A
>       (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    <A
HREF="gts-surfaces.html#GTS-SURFACE-IS-CLOSED"
>gts_surface_is_closed</A
>           (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       <A
HREF="gts-surfaces.html#GTS-SURFACE-VERTEX-NUMBER"
>gts_surface_vertex_number</A
>       (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       <A
HREF="gts-surfaces.html#GTS-SURFACE-EDGE-NUMBER"
>gts_surface_edge_number</A
>         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       <A
HREF="gts-surfaces.html#GTS-SURFACE-FACE-NUMBER"
>gts_surface_face_number</A
>         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GSLIST"
>GSList</GTKDOCLINK
>*     <A
HREF="gts-surfaces.html#GTS-SURFACE-BOUNDARY"
>gts_surface_boundary</A
>            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *surface);
<GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     <A
HREF="gts-surfaces.html#GTS-SURFACE-AREA"
>gts_surface_area</A
>                (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     <A
HREF="gts-surfaces.html#GTS-SURFACE-VOLUME"
>gts_surface_volume</A
>              (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     <A
HREF="gts-surfaces.html#GTS-SURFACE-CENTER-OF-MASS"
>gts_surface_center_of_mass</A
>      (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="GTSVECTOR"
>GtsVector</GTKDOCLINK
> cm);
<GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     <A
HREF="gts-surfaces.html#GTS-SURFACE-CENTER-OF-AREA"
>gts_surface_center_of_area</A
>      (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="GTSVECTOR"
>GtsVector</GTKDOCLINK
> cm);
            <A
HREF="gts-surfaces.html#GTSSURFACESTATS"
>GtsSurfaceStats</A
>;
            <A
HREF="gts-surfaces.html#GTSSURFACEQUALITYSTATS"
>GtsSurfaceQualityStats</A
>;
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-STATS"
>gts_surface_stats</A
>               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSSURFACESTATS"
>GtsSurfaceStats</A
> *stats);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-QUALITY-STATS"
>gts_surface_quality_stats</A
>       (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSSURFACEQUALITYSTATS"
>GtsSurfaceQualityStats</A
> *stats);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-PRINT-STATS"
>gts_surface_print_stats</A
>         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-WRITE"
>gts_surface_write</A
>               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-WRITE-OOGL"
>gts_surface_write_oogl</A
>          (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-WRITE-OOGL-BOUNDARY"
>gts_surface_write_oogl_boundary</A
> (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-WRITE-VTK"
>gts_surface_write_vtk</A
>           (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);
<GTKDOCLINK
HREF="GINT"
>gint</GTKDOCLINK
>        (<A
HREF="gts-surfaces.html#GTSFUNC"
>*GtsFunc</A
>)                      (<GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> item,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-FOREACH-VERTEX"
>gts_surface_foreach_vertex</A
>      (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-FOREACH-EDGE"
>gts_surface_foreach_edge</A
>        (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-FOREACH-FACE"
>gts_surface_foreach_face</A
>        (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);
<GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       <A
HREF="gts-surfaces.html#GTS-SURFACE-FOREACH-FACE-REMOVE"
>gts_surface_foreach_face_remove</A
> (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);
<GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    <A
HREF="gts-surfaces.html#GTS-SURFACE-FOREACH-INTERSECTING-FACE"
>gts_surface_foreach_intersecting_face</A
>
                                            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-bounding-boxes-trees.html#GTSBBTREETRAVERSEFUNC"
>GtsBBTreeTraverseFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);
            <A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
>;
<A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
>* <A
HREF="gts-surfaces.html#GTS-SURFACE-TRAVERSE-NEW"
>gts_surface_traverse_new</A
>
                                            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
> *f);
<A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
>*    <A
HREF="gts-surfaces.html#GTS-SURFACE-TRAVERSE-NEXT"
>gts_surface_traverse_next</A
>       (<A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
> *t,
                                             <GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
> *level);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-TRAVERSE-DESTROY"
>gts_surface_traverse_destroy</A
>    (<A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
> *t);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-DISTANCE"
>gts_surface_distance</A
>            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s1,
                                             <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s2,
                                             <GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
> delta,
                                             <A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
> *face_range,
                                             <A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
> *boundary_range);
<GTKDOCLINK
HREF="GSLIST"
>GSList</GTKDOCLINK
>*     <A
HREF="gts-surfaces.html#GTS-SURFACE-STRIP"
>gts_surface_strip</A
>               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-surfaces.html#GTS-SURFACE-TESSELLATE"
>gts_surface_tessellate</A
>          (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surface-simplification-and-refinement.html#GTSREFINEFUNC"
>GtsRefineFunc</A
> refine_func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> refine_data);
<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>* <A
HREF="gts-surfaces.html#GTS-SURFACE-GENERATE-SPHERE"
>gts_surface_generate_sphere</A
>     (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
> geodesation_order);
<GTKDOCLINK
HREF="GSLIST"
>GSList</GTKDOCLINK
>*     <A
HREF="gts-surfaces.html#GTS-SURFACE-SPLIT"
>gts_surface_split</A
>               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN9141"
></A
><H2
>Description</H2
><P
>A <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
> is defined as a collection of <A
HREF="gts-faces.html#GTSFACE"
><SPAN
CLASS="TYPE"
>GtsFace</SPAN
></A
>. No topological constraint is imposed: the surface may or may not be manifold, closed or orientable.</P
><P
>When destroying a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>, all the faces not used by another surface are also destroyed. This default behaviour can be changed punctually by setting the global variable gts_allow_floating_faces to <TT
CLASS="LITERAL"
>TRUE</TT
>. You must not forget to set this variable back to <TT
CLASS="LITERAL"
>FALSE</TT
> as all the algorithms of GTS assume the default behaviour.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN9153"
></A
><H2
>Details</H2
><DIV
CLASS="REFSECT2"
><A
NAME="AEN9155"
></A
><H3
><A
NAME="GTS-SURFACE-CLASS:CAPS"
></A
>GTS_SURFACE_CLASS()</H3
><PRE
CLASS="PROGRAMLISTING"
>#define     GTS_SURFACE_CLASS(klass)</PRE
><P
>Casts <CODE
CLASS="PARAMETER"
>klass</CODE
> to <A
HREF="gts-surfaces.html#GTSSURFACECLASS"
><SPAN
CLASS="TYPE"
>GtsSurfaceClass</SPAN
></A
>.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9166"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>klass</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>a descendant of <A
HREF="gts-surfaces.html#GTSSURFACECLASS"
><SPAN
CLASS="TYPE"
>GtsSurfaceClass</SPAN
></A
>.
&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9173"
></A
><H3
><A
NAME="GTS-SURFACE:CAPS"
></A
>GTS_SURFACE()</H3
><PRE
CLASS="PROGRAMLISTING"
>#define     GTS_SURFACE(obj)</PRE
><P
>Casts <CODE
CLASS="PARAMETER"
>obj</CODE
> to <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9184"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>obj</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>a descendant of <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.
&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9191"
></A
><H3
><A
NAME="GTS-IS-SURFACE:CAPS"
></A
>GTS_IS_SURFACE()</H3
><PRE
CLASS="PROGRAMLISTING"
>#define     GTS_IS_SURFACE(obj)</PRE
><P
>Evaluates to <TT
CLASS="LITERAL"
>TRUE</TT
> if <CODE
CLASS="PARAMETER"
>obj</CODE
> is a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>, <TT
CLASS="LITERAL"
>FALSE</TT
> otherwise.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9204"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>obj</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>a pointer to test.
&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9209"
></A
><H3
><A
NAME="GTSSURFACECLASS"
></A
>GtsSurfaceClass</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct {
  GtsObjectClass parent_class;

  void (* add_face)    (GtsSurface *, GtsFace *);
  void (* remove_face) (GtsSurface *, GtsFace *);
} GtsSurfaceClass;</PRE
><P
>The surface class. No virtual function is defined.</P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9216"
></A
><H3
><A
NAME="GTSSURFACE"
></A
>GtsSurface</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct {
  GtsObject object;

#ifdef USE_SURFACE_BTREE
  GTree * faces;
#else /* not USE_SURFACE_BTREE */
  GHashTable * faces;
#endif /* not USE_SURFACE_BTREE */
  GtsFaceClass * face_class;
  GtsEdgeClass * edge_class;
  GtsVertexClass * vertex_class;
  gboolean keep_faces;
} GtsSurface;</PRE
><P
>The surface structure derived from <A
HREF="gts-object-class.html#GTSOBJECT"
><SPAN
CLASS="TYPE"
>GtsObject</SPAN
></A
>.
This structure should only be accessed through the following functions.</P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9225"
></A
><H3
><A
NAME="GTS-SURFACE-CLASS"
></A
>gts_surface_class ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-surfaces.html#GTSSURFACECLASS"
>GtsSurfaceClass</A
>* gts_surface_class          (void);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9235"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the <A
HREF="gts-surfaces.html#GTSSURFACECLASS"
><SPAN
CLASS="TYPE"
>GtsSurfaceClass</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9242"
></A
><H3
><A
NAME="GTS-SURFACE-NEW"
></A
>gts_surface_new ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>* gts_surface_new                 (<A
HREF="gts-surfaces.html#GTSSURFACECLASS"
>GtsSurfaceClass</A
> *klass,
                                             <A
HREF="gts-faces.html#GTSFACECLASS"
>GtsFaceClass</A
> *face_class,
                                             <A
HREF="gts-edges.html#GTSEDGECLASS"
>GtsEdgeClass</A
> *edge_class,
                                             <A
HREF="gts-vertices.html#GTSVERTEXCLASS"
>GtsVertexClass</A
> *vertex_class);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9256"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>klass</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACECLASS"
><SPAN
CLASS="TYPE"
>GtsSurfaceClass</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9263"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>face_class</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-faces.html#GTSFACECLASS"
><SPAN
CLASS="TYPE"
>GtsFaceClass</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9270"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>edge_class</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-edges.html#GTSEDGECLASS"
><SPAN
CLASS="TYPE"
>GtsEdgeClass</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9277"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>vertex_class</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-vertices.html#GTSVERTEXCLASS"
><SPAN
CLASS="TYPE"
>GtsVertexClass</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9284"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a new empty <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9291"
></A
><H3
><A
NAME="GTS-SURFACE-ADD-FACE"
></A
>gts_surface_add_face ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_add_face            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
> *f);</PRE
><P
>Adds face <CODE
CLASS="PARAMETER"
>f</CODE
> to surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9305"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9312"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>f</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-faces.html#GTSFACE"
><SPAN
CLASS="TYPE"
>GtsFace</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9319"
></A
><H3
><A
NAME="GTS-SURFACE-REMOVE-FACE"
></A
>gts_surface_remove_face ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_remove_face         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
> *f);</PRE
><P
>Removes face <CODE
CLASS="PARAMETER"
>f</CODE
> from surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9333"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9340"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>f</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-faces.html#GTSFACE"
><SPAN
CLASS="TYPE"
>GtsFace</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9347"
></A
><H3
><A
NAME="GTS-SURFACE-COPY"
></A
>gts_surface_copy ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>* gts_surface_copy                (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s1,
                                             <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s2);</PRE
><P
>Add a copy of all the faces, edges and vertices of <CODE
CLASS="PARAMETER"
>s2</CODE
> to <CODE
CLASS="PARAMETER"
>s1</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9361"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s1</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9368"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s2</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9375"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> <CODE
CLASS="PARAMETER"
>s1</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9381"
></A
><H3
><A
NAME="GTS-SURFACE-MERGE"
></A
>gts_surface_merge ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_merge               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *with);</PRE
><P
>Adds all the faces of <CODE
CLASS="PARAMETER"
>with</CODE
> which do not already belong to <CODE
CLASS="PARAMETER"
>s</CODE
>
to <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9396"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9403"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>with</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> another <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9410"
></A
><H3
><A
NAME="GTS-SURFACE-READ"
></A
>gts_surface_read ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       gts_surface_read                (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *surface,
                                             <A
HREF="gts-miscellaneous-macros-and-functions.html#GTSFILE"
>GtsFile</A
> *f);</PRE
><P
>Add to <CODE
CLASS="PARAMETER"
>surface</CODE
> the data read from <CODE
CLASS="PARAMETER"
>f</CODE
>. The format of the file pointed to
by <CODE
CLASS="PARAMETER"
>f</CODE
> is as described in <A
HREF="gts-surfaces.html#GTS-SURFACE-WRITE"
><CODE
CLASS="FUNCTION"
>gts_surface_write()</CODE
></A
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9427"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>surface</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9434"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>f</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-miscellaneous-macros-and-functions.html#GTSFILE"
><SPAN
CLASS="TYPE"
>GtsFile</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9441"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> 0 if successful or the line number at which the parsing
stopped in case of error (in which case the <CODE
CLASS="PARAMETER"
>error</CODE
> field of <CODE
CLASS="PARAMETER"
>f</CODE
> is
set to a description of the error which occured).  </P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9448"
></A
><H3
><A
NAME="GTS-SURFACE-IS-MANIFOLD"
></A
>gts_surface_is_manifold ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    gts_surface_is_manifold         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9459"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9466"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> <TT
CLASS="LITERAL"
>TRUE</TT
> if the surface is a manifold, <TT
CLASS="LITERAL"
>FALSE</TT
> otherwise.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9473"
></A
><H3
><A
NAME="GTS-SURFACE-IS-ORIENTABLE"
></A
>gts_surface_is_orientable ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    gts_surface_is_orientable       (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9484"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9491"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> <TT
CLASS="LITERAL"
>TRUE</TT
> if all the faces of <CODE
CLASS="PARAMETER"
>s</CODE
> have compatible orientation
as checked by <GTKDOCLINK
HREF="GTS-FACES-ARE-COMPATIBLE"
><CODE
CLASS="FUNCTION"
>gts_faces_are_compatible()</CODE
></GTKDOCLINK
>, <TT
CLASS="LITERAL"
>FALSE</TT
> otherwise. Note that
an orientable surface is also a manifold.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9501"
></A
><H3
><A
NAME="GTS-SURFACE-IS-CLOSED"
></A
>gts_surface_is_closed ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    gts_surface_is_closed           (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9512"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9519"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> <TT
CLASS="LITERAL"
>TRUE</TT
> if <CODE
CLASS="PARAMETER"
>s</CODE
> is a closed surface, <TT
CLASS="LITERAL"
>FALSE</TT
> otherwise. Note that a
closed surface is also a manifold.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9527"
></A
><H3
><A
NAME="GTS-SURFACE-VERTEX-NUMBER"
></A
>gts_surface_vertex_number ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       gts_surface_vertex_number       (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9538"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9545"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the number of vertices of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9551"
></A
><H3
><A
NAME="GTS-SURFACE-EDGE-NUMBER"
></A
>gts_surface_edge_number ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       gts_surface_edge_number         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9562"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9569"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the number of edges of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9575"
></A
><H3
><A
NAME="GTS-SURFACE-FACE-NUMBER"
></A
>gts_surface_face_number ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       gts_surface_face_number         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9586"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9593"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the number of faces of <CODE
CLASS="PARAMETER"
>s</CODE
></P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9599"
></A
><H3
><A
NAME="GTS-SURFACE-BOUNDARY"
></A
>gts_surface_boundary ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GSLIST"
>GSList</GTKDOCLINK
>*     gts_surface_boundary            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *surface);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9610"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>surface</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9617"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a list of <A
HREF="gts-edges.html#GTSEDGE"
><SPAN
CLASS="TYPE"
>GtsEdge</SPAN
></A
> boundary of <CODE
CLASS="PARAMETER"
>surface</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9625"
></A
><H3
><A
NAME="GTS-SURFACE-AREA"
></A
>gts_surface_area ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     gts_surface_area                (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9636"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9643"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the area of <CODE
CLASS="PARAMETER"
>s</CODE
> obtained as the sum of the signed areas of its
faces.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9649"
></A
><H3
><A
NAME="GTS-SURFACE-VOLUME"
></A
>gts_surface_volume ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     gts_surface_volume              (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9660"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9667"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the signed volume of the domain bounded by the surface <CODE
CLASS="PARAMETER"
>s</CODE
>. It
makes sense only if <CODE
CLASS="PARAMETER"
>s</CODE
> is a closed and orientable manifold.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9674"
></A
><H3
><A
NAME="GTS-SURFACE-CENTER-OF-MASS"
></A
>gts_surface_center_of_mass ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     gts_surface_center_of_mass      (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="GTSVECTOR"
>GtsVector</GTKDOCLINK
> cm);</PRE
><P
>Fills <CODE
CLASS="PARAMETER"
>cm</CODE
> with the coordinates of the center of mass of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9688"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9695"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>cm</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <GTKDOCLINK
HREF="GTSVECTOR"
><SPAN
CLASS="TYPE"
>GtsVector</SPAN
></GTKDOCLINK
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9702"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the signed volume of the domain bounded by the surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9708"
></A
><H3
><A
NAME="GTS-SURFACE-CENTER-OF-AREA"
></A
>gts_surface_center_of_area ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
>     gts_surface_center_of_area      (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="GTSVECTOR"
>GtsVector</GTKDOCLINK
> cm);</PRE
><P
>Fills <CODE
CLASS="PARAMETER"
>cm</CODE
> with the coordinates of the center of area of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9722"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9729"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>cm</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <GTKDOCLINK
HREF="GTSVECTOR"
><SPAN
CLASS="TYPE"
>GtsVector</SPAN
></GTKDOCLINK
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9736"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the area of surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9742"
></A
><H3
><A
NAME="GTSSURFACESTATS"
></A
>GtsSurfaceStats</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct {
  guint n_faces;
  guint n_incompatible_faces;
  guint n_duplicate_faces;
  guint n_duplicate_edges;
  guint n_boundary_edges;
  guint n_non_manifold_edges;
  GtsRange edges_per_vertex, faces_per_edge;
  GtsSurface * parent;
} GtsSurfaceStats;</PRE
><P
>Connectivity statistics.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9750"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>n_faces</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of faces.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9756"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>n_incompatible_faces</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of incompatible faces (see <A
HREF="gts-triangles.html#GTS-TRIANGLES-ARE-COMPATIBLE"
><CODE
CLASS="FUNCTION"
>gts_triangles_are_compatible()</CODE
></A
> for details).</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9764"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>n_duplicate_faces</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of duplicate faces (see <A
HREF="gts-triangles.html#GTS-TRIANGLE-IS-DUPLICATE"
><CODE
CLASS="FUNCTION"
>gts_triangle_is_duplicate()</CODE
></A
> for details).</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9772"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>n_duplicate_edges</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of duplicate edges (see <A
HREF="gts-segments.html#GTS-SEGMENT-IS-DUPLICATE"
><CODE
CLASS="FUNCTION"
>gts_segment_is_duplicate()</CODE
></A
> for details).</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9780"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>n_boundary_edges</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of boundary edges.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9786"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>n_non_manifold_edges</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of non-manifold edges.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9792"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>edges_per_vertex</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Statistics on the number of edges per vertex.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9798"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>faces_per_edge</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Statistics on the number of faces per vertex.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9804"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>&nbsp;*<CODE
CLASS="STRUCTFIELD"
>parent</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Surface from which these statistics have been obtained.&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9810"
></A
><H3
><A
NAME="GTSSURFACEQUALITYSTATS"
></A
>GtsSurfaceQualityStats</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct {
  GtsRange face_quality;
  GtsRange face_area;
  GtsRange edge_length;
  GtsRange edge_angle;
  GtsSurface * parent;
} GtsSurfaceQualityStats;</PRE
><P
>Quality and geometry statistics.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9818"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>face_quality</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Statistics for face quality (see <A
HREF="gts-triangles.html#GTS-TRIANGLE-QUALITY"
><CODE
CLASS="FUNCTION"
>gts_triangle_quality()</CODE
></A
> for details).</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9826"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>face_area</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Statistics for the face area.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9832"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>edge_length</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Statistics for the edge length.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9838"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>edge_angle</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Statistics for the edge angles.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9844"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>&nbsp;*<CODE
CLASS="STRUCTFIELD"
>parent</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Surface from which these statistics have been obtained.&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9850"
></A
><H3
><A
NAME="GTS-SURFACE-STATS"
></A
>gts_surface_stats ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_stats               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSSURFACESTATS"
>GtsSurfaceStats</A
> *stats);</PRE
><P
>Fills <CODE
CLASS="PARAMETER"
>stats</CODE
> with the statistics relevant to surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9864"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9871"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>stats</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACESTATS"
><SPAN
CLASS="TYPE"
>GtsSurfaceStats</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9878"
></A
><H3
><A
NAME="GTS-SURFACE-QUALITY-STATS"
></A
>gts_surface_quality_stats ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_quality_stats       (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSSURFACEQUALITYSTATS"
>GtsSurfaceQualityStats</A
> *stats);</PRE
><P
>Fills <CODE
CLASS="PARAMETER"
>stats</CODE
> with quality statistics relevant to surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9892"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9899"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>stats</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACEQUALITYSTATS"
><SPAN
CLASS="TYPE"
>GtsSurfaceQualityStats</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9906"
></A
><H3
><A
NAME="GTS-SURFACE-PRINT-STATS"
></A
>gts_surface_print_stats ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_print_stats         (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);</PRE
><P
>Writes in the file pointed to by <CODE
CLASS="PARAMETER"
>fptr</CODE
> the statistics for surface <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9920"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9927"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>fptr</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a file pointer.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9932"
></A
><H3
><A
NAME="GTS-SURFACE-WRITE"
></A
>gts_surface_write ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_write               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);</PRE
><P
>Writes in the file <CODE
CLASS="PARAMETER"
>fptr</CODE
> an ASCII representation of <CODE
CLASS="PARAMETER"
>s</CODE
>. The file
format is as follows. </P
><P
>All the lines beginning with <A
HREF="gts-miscellaneous-macros-and-functions.html#GTS-COMMENTS:CAPS"
><SPAN
CLASS="TYPE"
>GTS_COMMENTS</SPAN
></A
> are ignored. The first line
contains three unsigned integers separated by spaces. The first
integer is the number of vertices, nv, the second is the number of
edges, ne and the third is the number of faces, nf.</P
><P
>Follows nv lines containing the x, y and z coordinates of the
vertices.  Follows ne lines containing the two indices (starting
from one) of the vertices of each edge. Follows nf lines containing
the three ordered indices (also starting from one) of the edges of
each face.  </P
><P
>The format described above is the least common denominator to all
GTS files.  Consistent with an object-oriented approach, the GTS
file format is extensible. Each of the lines of the file can be
extended with user-specific attributes accessible through the
<GTKDOCLINK
HREF="READ"
><CODE
CLASS="FUNCTION"
>read()</CODE
></GTKDOCLINK
> and <GTKDOCLINK
HREF="WRITE"
><CODE
CLASS="FUNCTION"
>write()</CODE
></GTKDOCLINK
> virtual methods of each of the objects written
(surface, vertices, edges or faces). When read with different
object classes, these extra attributes are just ignored.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9955"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9962"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>fptr</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a file pointer.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9967"
></A
><H3
><A
NAME="GTS-SURFACE-WRITE-OOGL"
></A
>gts_surface_write_oogl ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_write_oogl          (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);</PRE
><P
>Writes in the file <CODE
CLASS="PARAMETER"
>fptr</CODE
> an OOGL (Geomview) representation of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9981"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN9988"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>fptr</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a file pointer.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN9993"
></A
><H3
><A
NAME="GTS-SURFACE-WRITE-OOGL-BOUNDARY"
></A
>gts_surface_write_oogl_boundary ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_write_oogl_boundary (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);</PRE
><P
>Writes in the file <CODE
CLASS="PARAMETER"
>fptr</CODE
> an OOGL (Geomview) representation of the
boundary of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10007"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10014"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>fptr</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a file pointer.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10019"
></A
><H3
><A
NAME="GTS-SURFACE-WRITE-VTK"
></A
>gts_surface_write_vtk ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_write_vtk           (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="FILE:CAPS"
>FILE</GTKDOCLINK
> *fptr);</PRE
><P
>Writes in the file <CODE
CLASS="PARAMETER"
>fptr</CODE
> a VTK representation of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10033"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10040"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>fptr</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a file pointer.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10045"
></A
><H3
><A
NAME="GTSFUNC"
></A
>GtsFunc ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GINT"
>gint</GTKDOCLINK
>        (*GtsFunc)                      (<GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> item,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);</PRE
><P
>A user function called for each item of a collection.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10056"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>item</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>a pointer this function is called for.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10061"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>user data passed to the function.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10066"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>if 0 the calling sequence continues, otherwise it stops.
&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10071"
></A
><H3
><A
NAME="GTS-SURFACE-FOREACH-VERTEX"
></A
>gts_surface_foreach_vertex ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_foreach_vertex      (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);</PRE
><P
>Calls <CODE
CLASS="PARAMETER"
>func</CODE
> once for each vertex of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10086"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10093"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>func</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSFUNC"
><SPAN
CLASS="TYPE"
>GtsFunc</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10100"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> user data to be passed to <CODE
CLASS="PARAMETER"
>func</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10106"
></A
><H3
><A
NAME="GTS-SURFACE-FOREACH-EDGE"
></A
>gts_surface_foreach_edge ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_foreach_edge        (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);</PRE
><P
>Calls <CODE
CLASS="PARAMETER"
>func</CODE
> once for each edge of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10121"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10128"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>func</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSFUNC"
><SPAN
CLASS="TYPE"
>GtsFunc</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10135"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> user data to be passed to <CODE
CLASS="PARAMETER"
>func</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10141"
></A
><H3
><A
NAME="GTS-SURFACE-FOREACH-FACE"
></A
>gts_surface_foreach_face ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_foreach_face        (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);</PRE
><P
>Calls <CODE
CLASS="PARAMETER"
>func</CODE
> once for each face of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10156"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10163"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>func</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSFUNC"
><SPAN
CLASS="TYPE"
>GtsFunc</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10170"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> user data to be passed to <CODE
CLASS="PARAMETER"
>func</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10176"
></A
><H3
><A
NAME="GTS-SURFACE-FOREACH-FACE-REMOVE"
></A
>gts_surface_foreach_face_remove ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>       gts_surface_foreach_face_remove (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surfaces.html#GTSFUNC"
>GtsFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);</PRE
><P
>Calls <CODE
CLASS="PARAMETER"
>func</CODE
> once for each face of <CODE
CLASS="PARAMETER"
>s</CODE
>. If <CODE
CLASS="PARAMETER"
>func</CODE
> returns <TT
CLASS="LITERAL"
>TRUE</TT
> the
corresponding face is removed from <CODE
CLASS="PARAMETER"
>s</CODE
> (and destroyed if it does not
belong to any other surface and <GTKDOCLINK
HREF="GTS-ALLOW-FLOATING-FACES"
><SPAN
CLASS="TYPE"
>gts_allow_floating_faces</SPAN
></GTKDOCLINK
> is set to
<TT
CLASS="LITERAL"
>FALSE</TT
>).</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10197"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10204"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>func</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSFUNC"
><SPAN
CLASS="TYPE"
>GtsFunc</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10211"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> user data to be passed to <CODE
CLASS="PARAMETER"
>func</CODE
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10217"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the number of faces removed from <CODE
CLASS="PARAMETER"
>s</CODE
>.  </P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10223"
></A
><H3
><A
NAME="GTS-SURFACE-FOREACH-INTERSECTING-FACE"
></A
>gts_surface_foreach_intersecting_face ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GBOOLEAN"
>gboolean</GTKDOCLINK
>    gts_surface_foreach_intersecting_face
                                            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-bounding-boxes-trees.html#GTSBBTREETRAVERSEFUNC"
>GtsBBTreeTraverseFunc</A
> func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> data);</PRE
><P
>Calls <CODE
CLASS="PARAMETER"
>func</CODE
> for each intersecting pair of faces of <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10238"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10245"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>func</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-bounding-boxes-trees.html#GTSBBTREETRAVERSEFUNC"
><SPAN
CLASS="TYPE"
>GtsBBTreeTraverseFunc</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10252"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> user data to pass to <CODE
CLASS="PARAMETER"
>func</CODE
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10258"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> <TT
CLASS="LITERAL"
>TRUE</TT
> if <CODE
CLASS="PARAMETER"
>func</CODE
> was called at least once, <TT
CLASS="LITERAL"
>FALSE</TT
> otherwise.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10266"
></A
><H3
><A
NAME="GTSSURFACETRAVERSE"
></A
>GtsSurfaceTraverse</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct _GtsSurfaceTraverse GtsSurfaceTraverse;</PRE
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10273"
></A
><H3
><A
NAME="GTS-SURFACE-TRAVERSE-NEW"
></A
>gts_surface_traverse_new ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
>* gts_surface_traverse_new
                                            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
> *f);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10285"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10292"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>f</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-faces.html#GTSFACE"
><SPAN
CLASS="TYPE"
>GtsFace</SPAN
></A
> belonging to <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10300"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a new <A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
><SPAN
CLASS="TYPE"
>GtsSurfaceTraverse</SPAN
></A
>, initialized to start traversing
from face <CODE
CLASS="PARAMETER"
>f</CODE
> of surface <CODE
CLASS="PARAMETER"
>s</CODE
>.  </P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10309"
></A
><H3
><A
NAME="GTS-SURFACE-TRAVERSE-NEXT"
></A
>gts_surface_traverse_next ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-faces.html#GTSFACE"
>GtsFace</A
>*    gts_surface_traverse_next       (<A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
> *t,
                                             <GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
> *level);</PRE
><P
></P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10321"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>t</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
><SPAN
CLASS="TYPE"
>GtsSurfaceTraverse</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10328"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>level</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a pointer to a guint or <TT
CLASS="LITERAL"
>NULL</TT
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10334"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> the next face of the traversal in breadth-first order or
<TT
CLASS="LITERAL"
>NULL</TT
> if no faces are left. If <CODE
CLASS="PARAMETER"
>level</CODE
> if not <TT
CLASS="LITERAL"
>NULL</TT
>, it is filled
with the level of the returned face (0 for the initial face, 1 for
its neighbors and so on).  </P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10342"
></A
><H3
><A
NAME="GTS-SURFACE-TRAVERSE-DESTROY"
></A
>gts_surface_traverse_destroy ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_traverse_destroy    (<A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
>GtsSurfaceTraverse</A
> *t);</PRE
><P
>Frees all the memory allocated for <CODE
CLASS="PARAMETER"
>t</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10354"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>t</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACETRAVERSE"
><SPAN
CLASS="TYPE"
>GtsSurfaceTraverse</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10361"
></A
><H3
><A
NAME="GTS-SURFACE-DISTANCE"
></A
>gts_surface_distance ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_distance            (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s1,
                                             <A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s2,
                                             <GTKDOCLINK
HREF="GDOUBLE"
>gdouble</GTKDOCLINK
> delta,
                                             <A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
> *face_range,
                                             <A
HREF="gts-simple-statistics.html#GTSRANGE"
>GtsRange</A
> *boundary_range);</PRE
><P
>Using the <A
HREF="gts-bounding-boxes-trees.html#GTS-BB-TREE-SURFACE-DISTANCE"
><CODE
CLASS="FUNCTION"
>gts_bb_tree_surface_distance()</CODE
></A
> and
<A
HREF="gts-bounding-boxes-trees.html#GTS-BB-TREE-SURFACE-BOUNDARY-DISTANCE"
><CODE
CLASS="FUNCTION"
>gts_bb_tree_surface_boundary_distance()</CODE
></A
> functions fills <CODE
CLASS="PARAMETER"
>face_range</CODE
>
and <CODE
CLASS="PARAMETER"
>boundary_range</CODE
> with the min, max and average Euclidean
(minimum) distances between the faces of <CODE
CLASS="PARAMETER"
>s1</CODE
> and the faces of <CODE
CLASS="PARAMETER"
>s2</CODE
>
and between the boundary edges of <CODE
CLASS="PARAMETER"
>s1</CODE
> and <CODE
CLASS="PARAMETER"
>s2</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10386"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s1</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10393"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s2</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10400"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>delta</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a spatial increment defined as the percentage of the diagonal
of the bounding box of <CODE
CLASS="PARAMETER"
>s2</CODE
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10406"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>face_range</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-simple-statistics.html#GTSRANGE"
><SPAN
CLASS="TYPE"
>GtsRange</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10413"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>boundary_range</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-simple-statistics.html#GTSRANGE"
><SPAN
CLASS="TYPE"
>GtsRange</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10420"
></A
><H3
><A
NAME="GTS-SURFACE-STRIP"
></A
>gts_surface_strip ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GSLIST"
>GSList</GTKDOCLINK
>*     gts_surface_strip               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
>Decompose <CODE
CLASS="PARAMETER"
>s</CODE
> into triangle strips for fast-rendering.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10432"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10439"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a list of triangle strips containing all the triangles of <CODE
CLASS="PARAMETER"
>s</CODE
>. 
A triangle strip is itself a list of successive triangles having one edge
in common.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10445"
></A
><H3
><A
NAME="GTS-SURFACE-TESSELLATE"
></A
>gts_surface_tessellate ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_surface_tessellate          (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <A
HREF="gts-surface-simplification-and-refinement.html#GTSREFINEFUNC"
>GtsRefineFunc</A
> refine_func,
                                             <GTKDOCLINK
HREF="GPOINTER"
>gpointer</GTKDOCLINK
> refine_data);</PRE
><P
>Tessellate each triangle of <CODE
CLASS="PARAMETER"
>s</CODE
> with 4 triangles:   
the number of triangles is increased by a factor of 4.
http://mathworld.wolfram.com/GeodesicDome.html</P
><P
>If <CODE
CLASS="PARAMETER"
>refine_func</CODE
> is set to <TT
CLASS="LITERAL"
>NULL</TT
> a mid arc function is used: if
the surface is a polyhedron with the unit sphere as circum sphere,
then <A
HREF="gts-surfaces.html#GTS-SURFACE-TESSELLATE"
><CODE
CLASS="FUNCTION"
>gts_surface_tessellate()</CODE
></A
> corresponds to a geodesation step
(see <A
HREF="gts-surfaces.html#GTS-SURFACE-GENERATE-SPHERE"
><CODE
CLASS="FUNCTION"
>gts_surface_generate_sphere()</CODE
></A
>).</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10466"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10473"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>refine_func</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surface-simplification-and-refinement.html#GTSREFINEFUNC"
><SPAN
CLASS="TYPE"
>GtsRefineFunc</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10480"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>refine_data</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> user data to be passed to <CODE
CLASS="PARAMETER"
>refine_func</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10486"
></A
><H3
><A
NAME="GTS-SURFACE-GENERATE-SPHERE"
></A
>gts_surface_generate_sphere ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
>* gts_surface_generate_sphere     (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s,
                                             <GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
> geodesation_order);</PRE
><P
>Add a triangulated unit sphere generated by recursive subdivision to <CODE
CLASS="PARAMETER"
>s</CODE
>.
First approximation is an isocahedron; each level of refinement
(<CODE
CLASS="PARAMETER"
>geodesation_order</CODE
>) increases the number of triangles by a factor of 4.
http://mathworld.wolfram.com/GeodesicDome.html</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10500"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10507"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>geodesation_order</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <GTKDOCLINK
HREF="GUINT"
><SPAN
CLASS="TYPE"
>guint</SPAN
></GTKDOCLINK
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10514"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> <CODE
CLASS="PARAMETER"
>s</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN10520"
></A
><H3
><A
NAME="GTS-SURFACE-SPLIT"
></A
>gts_surface_split ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GSLIST"
>GSList</GTKDOCLINK
>*     gts_surface_split               (<A
HREF="gts-surfaces.html#GTSSURFACE"
>GtsSurface</A
> *s);</PRE
><P
>Splits a surface into connected and manifold components.</P
><P
></P
><P
></P
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><A
NAME="AEN10531"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>s</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN10538"><SPAN
STYLE="white-space: nowrap"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a list of new <A
HREF="gts-surfaces.html#GTSSURFACE"
><SPAN
CLASS="TYPE"
>GtsSurface</SPAN
></A
>.</P
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