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<div id=Content><div class="CFile"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="ArcGISCache.js"></a>ArcGISCache.js</h1><div class=CBody><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#ArcGISCache.js" >ArcGISCache.js</a></td><td class=SDescription></td></tr><tr class="SGroup"><td class=SEntry><a href="#Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#url" >url</a></td><td class=SDescription>{String | Array} The base URL for the layer cache. </td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#tileOrigin" >tileOrigin</a></td><td class=SDescription>{<a href="../BaseTypes/LonLat-js.html#OpenLayers.LonLat" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">OpenLayers.LonLat</a>} The location of the tile origin for the cache. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#tileSize" >tileSize</a></td><td class=SDescription>{<a href="../BaseTypes/Size-js.html#OpenLayers.Size" class=LClass id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">OpenLayers.Size</a>} This size of each tile. </td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#useAGS" >useAGS</a></td><td class=SDescription>{Boolean} Indicates if we are going to be accessing the ArcGIS Server (AGS) cache via an AGS MapServer or directly through HTTP. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#type" >type</a></td><td class=SDescription>{String} Image type for the layer. </td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#useScales" >useScales</a></td><td class=SDescription>{Boolean} Optional override to indicate that the layer should use ‘scale’ information returned from the server capabilities object instead of ‘resolution’ information. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#overrideDPI" >overrideDPI</a></td><td class=SDescription>{Boolean} Optional override to change the OpenLayers.DOTS_PER_INCH setting based on the tile information in the server capabilities object. </td></tr><tr class="SGroup"><td class=SEntry><a href="#Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent1 SMarked"><td class=SEntry><a href="#OpenLayers.Layer.ArcGISCache" >OpenLayers.<wbr>Layer.<wbr>ArcGISCache</a></td><td class=SDescription>Creates a new instance of this class</td></tr><tr class="SGroup"><td class=SEntry><a href="#Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#getContainingTileCoords" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">getContainingTileCoords</a></td><td class=SDescription>Calculates the x/y pixel corresponding to the position of the tile that contains the given point and for the for the given resolution.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#calculateMaxExtentWithExtent" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">calculateMaxExtentWithExtent</a></td><td class=SDescription>Given a ‘suggested’ max extent from the server, this function uses information about the actual tile sizes to determine the actual extent of the layer.</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#getUpperLeftTileCoord" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">getUpperLeftTileCoord</a></td><td class=SDescription>Calculates the x/y pixel corresponding to the position of the upper left tile for the given resolution.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#getLowerRightTileCoord" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">getLowerRightTileCoord</a></td><td class=SDescription>Calculates the x/y pixel corresponding to the position of the lower right tile for the given resolution.</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#getMaxExtentForResolution" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">getMaxExtentForResolution</a></td><td class=SDescription>Since the max extent of a set of tiles can change from zoom level to zoom level, we need to be able to calculate that max extent for a given resolution.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#clone" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">clone</a></td><td class=SDescription>Returns an exact clone of this OpenLayers.Layer.ArcGISCache</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#getMaxExtent" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">getMaxExtent</a></td><td class=SDescription>Get this layer’s maximum extent.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#getTileOrigin" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">getTileOrigin</a></td><td class=SDescription>Determine the origin for aligning the grid of tiles. </td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#getURL" id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">getURL</a></td><td class=SDescription>Determine the URL for a tile given the tile bounds. </td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#zeroPad" id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">zeroPad</a></td><td class=SDescription>Create a zero padded string optionally with a radix for casting numbers.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Properties"></a>Properties</h3></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="url"></a>url</h3><div class=CBody><p>{String | Array} The base URL for the layer cache. You can also provide a list of URL strings for the layer if your cache is available from multiple origins. This must be set before the layer is drawn.</p></div></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="tileOrigin"></a>tileOrigin</h3><div class=CBody><p>{<a href="../BaseTypes/LonLat-js.html#OpenLayers.LonLat" class=LClass id=link13 onMouseOver="ShowTip(event, 'tt1', 'link13')" onMouseOut="HideTip('tt1')">OpenLayers.LonLat</a>} The location of the tile origin for the cache. An ArcGIS cache has it’s origin at the upper-left (lowest x value and highest y value of the coordinate system). The units for the tile origin should be the same as the units for the cached data.</p></div></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="tileSize"></a>tileSize</h3><div class=CBody><p>{<a href="../BaseTypes/Size-js.html#OpenLayers.Size" class=LClass id=link14 onMouseOver="ShowTip(event, 'tt2', 'link14')" onMouseOut="HideTip('tt2')">OpenLayers.Size</a>} This size of each tile. Defaults to 256 by 256 pixels.</p></div></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="useAGS"></a>useAGS</h3><div class=CBody><p>{Boolean} Indicates if we are going to be accessing the ArcGIS Server (AGS) cache via an AGS MapServer or directly through HTTP. When accessing via AGS the path structure uses a standard z/y/x structure. But AGS actually stores the tile images on disk using a hex based folder structure that looks like “<a href="http://example.com/mylayer/L00/R00000000/C00000000.png" class=LURL target=_top>http://example.com<wbr>/mylayer<wbr>/L00<wbr>/R00000000<wbr>/C00000000.png</a>”. Learn more about this here: <a href="http://blogs.esri.com/Support/blogs/mappingcenter/archive/2010/08/20/Checking-Your-Local-Cache-Folders.aspx" class=LURL target=_top>http://blogs.esri.com<wbr>/Support<wbr>/blogs<wbr>/mappingcenter<wbr>/archive<wbr>/2010<wbr>/08<wbr>/20<wbr>/Checking-Your-Local-Cache-Folders.aspx</a> Defaults to true;</p></div></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="type"></a>type</h3><div class=CBody><p>{String} Image type for the layer. This becomes the filename extension in tile requests. Default is “png” (generating a url like “<a href="http://example.com/mylayer/L00/R00000000/C00000000.png" class=LURL target=_top>http://example.com<wbr>/mylayer<wbr>/L00<wbr>/R00000000<wbr>/C00000000.png</a>”).</p></div></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="useScales"></a>useScales</h3><div class=CBody><p>{Boolean} Optional override to indicate that the layer should use ‘scale’ information returned from the server capabilities object instead of ‘resolution’ information. This can be important if your tile server uses an unusual DPI for the tiles.</p></div></div></div>
<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="overrideDPI"></a>overrideDPI</h3><div class=CBody><p>{Boolean} Optional override to change the OpenLayers.DOTS_PER_INCH setting based on the tile information in the server capabilities object. This can be useful if your server has a non-standard DPI setting on its tiles, and you’re only using tiles with that DPI. This value is used while OpenLayers is calculating resolution using scales, and is not necessary if you have resolution information. (This is typically the case) Regardless, this setting can be useful, but is dangerous because it will impact other layers while calculating resolution. Only use this if you know what you are doing. (See OpenLayers.Util.getResolutionFromScale)</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Constructor"></a>Constructor</h3></div></div>
<div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Layer.ArcGISCache"></a>OpenLayers.<wbr>Layer.<wbr>ArcGISCache</h3><div class=CBody><p>Creates a new instance of this class</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>name</td><td class=CDLDescription>{String}</td></tr><tr><td class=CDLEntry>url</td><td class=CDLDescription>{String}</td></tr><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object} extra layer options</td></tr></table></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getContainingTileCoords"></a>getContainingTileCoords</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getContainingTileCoords: function(</td><td class="PParameter prettyprint " nowrap>point,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Calculates the x/y pixel corresponding to the position of the tile that contains the given point and for the for the given resolution.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>point</td><td class=CDLDescription>{<a href="../Geometry/Point-js.html#OpenLayers.Geometry.Point" class=LClass id=link15 onMouseOver="ShowTip(event, 'tt13', 'link15')" onMouseOut="HideTip('tt13')">OpenLayers.Geometry.Point</a>}</td></tr><tr><td class=CDLEntry>res</td><td class=CDLDescription>{Float} The resolution for which to compute the extent.</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Pixel-js.html#OpenLayers.Pixel" class=LClass id=link16 onMouseOver="ShowTip(event, 'tt14', 'link16')" onMouseOut="HideTip('tt14')">OpenLayers.Pixel</a>} The x/y pixel corresponding to the position of the upper left tile for the given resolution.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="calculateMaxExtentWithExtent"></a>calculateMaxExtentWithExtent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>calculateMaxExtentWithExtent: function(</td><td class="PParameter prettyprint " nowrap>extent,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Given a ‘suggested’ max extent from the server, this function uses information about the actual tile sizes to determine the actual extent of the layer.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>extent</td><td class=CDLDescription>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link17 onMouseOver="ShowTip(event, 'tt15', 'link17')" onMouseOut="HideTip('tt15')">OpenLayers.Bounds</a>} The ‘suggested’ extent for the layer</td></tr><tr><td class=CDLEntry>res</td><td class=CDLDescription>{Float} The resolution for which to compute the extent.</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link18 onMouseOver="ShowTip(event, 'tt15', 'link18')" onMouseOut="HideTip('tt15')">OpenLayers.Bounds</a>} The actual extent of the tiles for the given zoom level</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getUpperLeftTileCoord"></a>getUpperLeftTileCoord</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getUpperLeftTileCoord: function(</td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Calculates the x/y pixel corresponding to the position of the upper left tile for the given resolution.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>res</td><td class=CDLDescription>{Float} The resolution for which to compute the extent.</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Pixel-js.html#OpenLayers.Pixel" class=LClass id=link19 onMouseOver="ShowTip(event, 'tt14', 'link19')" onMouseOut="HideTip('tt14')">OpenLayers.Pixel</a>} The x/y pixel corresponding to the position of the upper left tile for the given resolution.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getLowerRightTileCoord"></a>getLowerRightTileCoord</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getLowerRightTileCoord: function(</td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Calculates the x/y pixel corresponding to the position of the lower right tile for the given resolution.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>res</td><td class=CDLDescription>{Float} The resolution for which to compute the extent.</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Pixel-js.html#OpenLayers.Pixel" class=LClass id=link20 onMouseOver="ShowTip(event, 'tt14', 'link20')" onMouseOut="HideTip('tt14')">OpenLayers.Pixel</a>} The x/y pixel corresponding to the position of the lower right tile for the given resolution.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getMaxExtentForResolution"></a>getMaxExtentForResolution</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getMaxExtentForResolution: function(</td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Since the max extent of a set of tiles can change from zoom level to zoom level, we need to be able to calculate that max extent for a given resolution.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>res</td><td class=CDLDescription>{Float} The resolution for which to compute the extent.</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link21 onMouseOver="ShowTip(event, 'tt15', 'link21')" onMouseOut="HideTip('tt15')">OpenLayers.Bounds</a>} The extent for this resolution</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="clone"></a>clone</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>clone: function (</td><td class="PParameter prettyprint " nowrap>obj</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns an exact clone of this OpenLayers.Layer.ArcGISCache</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>[obj]</td><td class=CDLDescription>{Object} optional object to assign the cloned instance to.</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="#OpenLayers.Layer.ArcGISCache" class=LConstructor id=link22 onMouseOver="ShowTip(event, 'tt16', 'link22')" onMouseOut="HideTip('tt16')">OpenLayers.Layer.ArcGISCache</a>} clone of this instance</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getMaxExtent"></a>getMaxExtent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">getMaxExtent: function()</td></tr></table></blockquote><p>Get this layer’s maximum extent.</p><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link23 onMouseOver="ShowTip(event, 'tt15', 'link23')" onMouseOut="HideTip('tt15')">OpenLayers.Bounds</a>}</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getTileOrigin"></a>getTileOrigin</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">getTileOrigin: function()</td></tr></table></blockquote><p>Determine the origin for aligning the grid of tiles. The origin will be derived from the layer’s <maxExtent> property.</p><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/LonLat-js.html#OpenLayers.LonLat" class=LClass id=link24 onMouseOver="ShowTip(event, 'tt1', 'link24')" onMouseOut="HideTip('tt1')">OpenLayers.LonLat</a>} The tile origin.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="getURL"></a>getURL</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getURL: function (</td><td class="PParameter prettyprint " nowrap>bounds</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Determine the URL for a tile given the tile bounds. This is should support urls that access tiles through an ArcGIS Server MapServer or directly through the hex folder structure using HTTP. Just be sure to set the useArcGISServer property appropriately! This is basically the same as ‘OpenLayers.Layer.TMS.getURL’, but with the addition of hex addressing, and tile rounding.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>bounds</td><td class=CDLDescription>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link25 onMouseOver="ShowTip(event, 'tt15', 'link25')" onMouseOut="HideTip('tt15')">OpenLayers.Bounds</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{String} The URL for a tile based on given bounds.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="zeroPad"></a>zeroPad</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>zeroPad: function(</td><td class="PParameter prettyprint " nowrap>num,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>len,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>radix</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Create a zero padded string optionally with a radix for casting numbers.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>num</td><td class=CDLDescription>{Number} The number to be zero padded.</td></tr><tr><td class=CDLEntry>len</td><td class=CDLDescription>{Number} The length of the string to be returned.</td></tr><tr><td class=CDLEntry>radix</td><td class=CDLDescription>{Number} An integer between 2 and 36 specifying the base to use for representing numeric values.</td></tr></table></div></div></div>
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<!--START_ND_TOOLTIPS-->
<div class=CToolTip id="tt1"><div class=CClass>This class represents a longitude and latitude pair</div></div><div class=CToolTip id="tt2"><div class=CClass>Instances of this class represent a width/height pair</div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getContainingTileCoords: function(</td><td class="PParameter prettyprint " nowrap>point,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Calculates the x/y pixel corresponding to the position of the tile that contains the given point and for the for the given resolution.</div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>calculateMaxExtentWithExtent: function(</td><td class="PParameter prettyprint " nowrap>extent,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Given a ‘suggested’ max extent from the server, this function uses information about the actual tile sizes to determine the actual extent of the layer.</div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getUpperLeftTileCoord: function(</td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Calculates the x/y pixel corresponding to the position of the upper left tile for the given resolution.</div></div><div class=CToolTip id="tt6"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getLowerRightTileCoord: function(</td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Calculates the x/y pixel corresponding to the position of the lower right tile for the given resolution.</div></div><div class=CToolTip id="tt7"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getMaxExtentForResolution: function(</td><td class="PParameter prettyprint " nowrap>res</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Since the max extent of a set of tiles can change from zoom level to zoom level, we need to be able to calculate that max extent for a given resolution.</div></div><div class=CToolTip id="tt8"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>clone: function (</td><td class="PParameter prettyprint " nowrap>obj</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns an exact clone of this OpenLayers.Layer.ArcGISCache</div></div><div class=CToolTip id="tt9"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">getMaxExtent: function()</td></tr></table></blockquote>Get this layer’s maximum extent.</div></div><div class=CToolTip id="tt10"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">getTileOrigin: function()</td></tr></table></blockquote>Determine the origin for aligning the grid of tiles. </div></div><div class=CToolTip id="tt11"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>getURL: function (</td><td class="PParameter prettyprint " nowrap>bounds</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Determine the URL for a tile given the tile bounds. </div></div><div class=CToolTip id="tt12"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>zeroPad: function(</td><td class="PParameter prettyprint " nowrap>num,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>len,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>radix</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Create a zero padded string optionally with a radix for casting numbers.</div></div><div class=CToolTip id="tt13"><div class=CClass>Point geometry class.</div></div><div class=CToolTip id="tt14"><div class=CClass>This class represents a screen coordinate, in x and y coordinates</div></div><div class=CToolTip id="tt15"><div class=CClass>Instances of this class represent bounding boxes. </div></div><div class=CToolTip id="tt16"><div class=CConstructor>Creates a new instance of this class</div></div><!--END_ND_TOOLTIPS-->
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