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

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><H1
><A
NAME="GTS-HIERARCHICAL-VERTEX-SPLIT"
></A
>Hierarchical vertex split</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN16450"
></A
><H2
>Name</H2
>Hierarchical vertex split&nbsp;--&nbsp;hierarchical extension of the vertex split.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN16453"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>&#13;#include &lt;gts.h&gt;


#define     <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT-CLASS:CAPS"
>GTS_HSPLIT_CLASS</A
>                (klass)
#define     <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT:CAPS"
>GTS_HSPLIT</A
>                      (obj)
#define     <A
HREF="gts-hierarchical-vertex-split.html#GTS-IS-HSPLIT:CAPS"
>GTS_IS_HSPLIT</A
>                   (obj)
            <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
>GtsHSplitClass</A
>;
            <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
>;

<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
>GtsHSplitClass</A
>* <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT-CLASS"
>gts_hsplit_class</A
>            (void);
<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
>*  <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT-NEW"
>gts_hsplit_new</A
>                  (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
>GtsHSplitClass</A
> *klass,
                                             <A
HREF="gts-vertex-split.html#GTSSPLIT"
>GtsSplit</A
> *vs);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT-COLLAPSE"
>gts_hsplit_collapse</A
>             (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
> *hs,
                                             <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
>GtsHSurface</A
> *hsurface);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT-EXPAND"
>gts_hsplit_expand</A
>               (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
> *hs,
                                             <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
>GtsHSurface</A
> *hsurface);
<GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        <A
HREF="gts-hierarchical-vertex-split.html#GTS-HSPLIT-FORCE-EXPAND"
>gts_hsplit_force_expand</A
>         (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
> *hs,
                                             <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
>GtsHSurface</A
> *hsurface);</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN16479"
></A
><H2
>Description</H2
><P
>Hierarchical vertex splits are the building blocks of hierarchical surfaces. They are derived from <A
HREF="gts-vertex-split.html#GTSSPLIT"
><SPAN
CLASS="TYPE"
>GtsSplit</SPAN
></A
> objects but add pointers to their parents in the vertex split tree and information on the state (collapsed or expanded) of their children.</P
><P
>Together with <A
HREF="gts-extended-binary-heaps.html#GTSEHEAPPAIR"
><SPAN
CLASS="TYPE"
>GtsEHeapPair</SPAN
></A
> fields these informations allow to manage any valid sequence of expansions or collapses.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN16487"
></A
><H2
>Details</H2
><DIV
CLASS="REFSECT2"
><A
NAME="AEN16489"
></A
><H3
><A
NAME="GTS-HSPLIT-CLASS:CAPS"
></A
>GTS_HSPLIT_CLASS()</H3
><PRE
CLASS="PROGRAMLISTING"
>#define     GTS_HSPLIT_CLASS(klass)</PRE
><P
>Casts <CODE
CLASS="PARAMETER"
>klass</CODE
> to <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
><SPAN
CLASS="TYPE"
>GtsHSplitClass</SPAN
></A
>.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16500"><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-hierarchical-vertex-split.html#GTSHSPLITCLASS"
><SPAN
CLASS="TYPE"
>GtsHSplitClass</SPAN
></A
>.
&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16507"
></A
><H3
><A
NAME="GTS-HSPLIT:CAPS"
></A
>GTS_HSPLIT()</H3
><PRE
CLASS="PROGRAMLISTING"
>#define     GTS_HSPLIT(obj)</PRE
><P
>Casts <CODE
CLASS="PARAMETER"
>obj</CODE
> to <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</SPAN
></A
>.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16518"><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-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</SPAN
></A
>.
&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16525"
></A
><H3
><A
NAME="GTS-IS-HSPLIT:CAPS"
></A
>GTS_IS_HSPLIT()</H3
><PRE
CLASS="PROGRAMLISTING"
>#define     GTS_IS_HSPLIT(obj)</PRE
><P
>Evaluates to <TT
CLASS="LITERAL"
>TRUE</TT
> if <CODE
CLASS="PARAMETER"
>obj</CODE
> is a <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</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="AEN16538"><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="AEN16543"
></A
><H3
><A
NAME="GTSHSPLITCLASS"
></A
>GtsHSplitClass</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct {
  GtsSplitClass parent_class;
} GtsHSplitClass;</PRE
><P
>The hierarchical split vertex class derived from <A
HREF="gts-vertex-split.html#GTSSPLITCLASS"
><SPAN
CLASS="TYPE"
>GtsSplitClass</SPAN
></A
>.</P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16552"
></A
><H3
><A
NAME="GTSHSPLIT"
></A
>GtsHSplit</H3
><PRE
CLASS="PROGRAMLISTING"
>typedef struct {
  GtsSplit split;

  GtsEHeapPair * index;
  GtsHSplit * parent;
  guint nchild;
} GtsHSplit;</PRE
><P
>The hierarchical split vertex object.</P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16560"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-vertex-split.html#GTSSPLIT"
>GtsSplit</A
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>split</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>The parent object.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16566"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-extended-binary-heaps.html#GTSEHEAPPAIR"
>GtsEHeapPair</A
>&nbsp;*<CODE
CLASS="STRUCTFIELD"
>index</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Used when managing priority heaps for vertex split and collapse.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16572"><SPAN
STYLE="white-space: nowrap"
><A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
>&nbsp;*<CODE
CLASS="STRUCTFIELD"
>parent</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Parent of this hierarchical split vertex in the split vertex tree.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16578"><SPAN
STYLE="white-space: nowrap"
><GTKDOCLINK
HREF="GUINT"
>guint</GTKDOCLINK
>&nbsp;<CODE
CLASS="STRUCTFIELD"
>nchild</CODE
>;</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Number of expanded children of this vertex split (0, 1, or 2).&#13;</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16584"
></A
><H3
><A
NAME="GTS-HSPLIT-CLASS"
></A
>gts_hsplit_class ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
>GtsHSplitClass</A
>* gts_hsplit_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="AEN16594"><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-hierarchical-vertex-split.html#GTSHSPLITCLASS"
><SPAN
CLASS="TYPE"
>GtsHSplitClass</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16601"
></A
><H3
><A
NAME="GTS-HSPLIT-NEW"
></A
>gts_hsplit_new ()</H3
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
>*  gts_hsplit_new                  (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
>GtsHSplitClass</A
> *klass,
                                             <A
HREF="gts-vertex-split.html#GTSSPLIT"
>GtsSplit</A
> *vs);</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="AEN16613"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>klass</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLITCLASS"
><SPAN
CLASS="TYPE"
>GtsHSplitClass</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16620"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>vs</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-vertex-split.html#GTSSPLIT"
><SPAN
CLASS="TYPE"
>GtsSplit</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16627"><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-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</SPAN
></A
>, hierarchical extension of <CODE
CLASS="PARAMETER"
>vs</CODE
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16635"
></A
><H3
><A
NAME="GTS-HSPLIT-COLLAPSE"
></A
>gts_hsplit_collapse ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_hsplit_collapse             (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
> *hs,
                                             <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
>GtsHSurface</A
> *hsurface);</PRE
><P
>Collapses the <A
HREF="gts-vertex-split.html#GTSSPLIT"
><SPAN
CLASS="TYPE"
>GtsSplit</SPAN
></A
> defined by <CODE
CLASS="PARAMETER"
>hs</CODE
>, updates the expandable and
collapsable priority heaps of <CODE
CLASS="PARAMETER"
>hsurface</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16651"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>hs</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16658"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>hsurface</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
><SPAN
CLASS="TYPE"
>GtsHSurface</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16665"
></A
><H3
><A
NAME="GTS-HSPLIT-EXPAND"
></A
>gts_hsplit_expand ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_hsplit_expand               (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
> *hs,
                                             <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
>GtsHSurface</A
> *hsurface);</PRE
><P
>Expands the <A
HREF="gts-vertex-split.html#GTSSPLIT"
><SPAN
CLASS="TYPE"
>GtsSplit</SPAN
></A
> defined by <CODE
CLASS="PARAMETER"
>hs</CODE
> (which must be expandable)
and updates the priority heaps of <CODE
CLASS="PARAMETER"
>hsurface</CODE
>.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16681"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>hs</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16688"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>hsurface</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
><SPAN
CLASS="TYPE"
>GtsHSurface</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN16695"
></A
><H3
><A
NAME="GTS-HSPLIT-FORCE-EXPAND"
></A
>gts_hsplit_force_expand ()</H3
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="VOID"
>void</GTKDOCLINK
>        gts_hsplit_force_expand         (<A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
>GtsHSplit</A
> *hs,
                                             <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
>GtsHSurface</A
> *hsurface);</PRE
><P
>Forces the expansion of <CODE
CLASS="PARAMETER"
>hs</CODE
> by first expanding all its dependencies not
already expanded.</P
><P
></P
><P
></P
><TABLE
CLASS="variablelist"
BORDER="0"
CELLSPACING="0"
CELLPADDING="4"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16708"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>hs</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-vertex-split.html#GTSHSPLIT"
><SPAN
CLASS="TYPE"
>GtsHSplit</SPAN
></A
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><A
NAME="AEN16715"><SPAN
STYLE="white-space: nowrap"
><CODE
CLASS="PARAMETER"
>hsurface</CODE
>&nbsp;:</SPAN
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
> a <A
HREF="gts-hierarchical-surfaces.html#GTSHSURFACE"
><SPAN
CLASS="TYPE"
>GtsHSurface</SPAN
></A
>.</P
></TD
></TR
></TBODY
></TABLE
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>&lt;&lt;&lt;&nbsp;Progressive surfaces</B
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