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14 <div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="OpenLayers.Control.OverviewMap"></a>OpenLayers.<wbr>Control.<wbr>OverviewMap</h1><div class=CBody><p>The OverMap control creates a small overview map, useful to display the extent of a zoomed map and your main map and provide additional navigation options to the User. By default the overview map is drawn in the lower right corner of the main map. Create a new overview map with the <a href="#OpenLayers.Control.OverviewMap.OpenLayers.Control.OverviewMap" class=LConstructor id=link22 onMouseOver="ShowTip(event, 'tt22', 'link22')" onMouseOut="HideTip('tt22')">OpenLayers.Control.OverviewMap</a> constructor.</p><h4 class=CHeading>Inerits from</h4><ul><li><a href="../Control-js.html#OpenLayers.Control" class=LClass id=link23 onMouseOver="ShowTip(event, 'tt23', 'link23')" onMouseOut="HideTip('tt23')">OpenLayers.Control</a></li></ul><!--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="#OpenLayers.Control.OverviewMap" >OpenLayers.<wbr>Control.<wbr>OverviewMap</a></td><td class=SDescription>The OverMap control creates a small overview map, useful to display the extent of a zoomed map and your main map and provide additional navigation options to the User. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.element" >element</a></td><td class=SDescription>{DOMElement} The DOM element that contains the overview map</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.ovmap" >ovmap</a></td><td class=SDescription>{<a href="../Map-js.html#OpenLayers.Map" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">OpenLayers.Map</a>} A reference to the overview map itself.</td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.size" >size</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>} The overvew map size in pixels. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.layers" >layers</a></td><td class=SDescription>{Array(<a href="../Layer-js.html#OpenLayers.Layer" class=LClass >OpenLayers.Layer</a>)} Ordered list of layers in the overview map. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.minRectSize" >minRectSize</a></td><td class=SDescription>{Integer} The minimum width or height (in pixels) of the extent rectangle on the overview map. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.minRectDisplayClass" >minRectDisplayClass</a></td><td class=SDescription>{String} Replacement style class name for the extent rectangle when <a href="#OpenLayers.Control.OverviewMap.minRectSize" class=LProperty id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">minRectSize</a> is reached. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.minRatio" >minRatio</a></td><td class=SDescription>{Float} The ratio of the overview map resolution to the main map resolution at which to zoom farther out on the overview map.</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.maxRatio" >maxRatio</a></td><td class=SDescription>{Float} The ratio of the overview map resolution to the main map resolution at which to zoom farther in on the overview map.</td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.mapOptions" >mapOptions</a></td><td class=SDescription>{Object} An object containing any non-default properties to be sent to the overview map’s map constructor. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.autoPan" >autoPan</a></td><td class=SDescription>{Boolean} Always pan the overview map, so the extent marker remains in the center. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.handlers" >handlers</a></td><td class=SDescription>{Object}</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.resolutionFactor" >resolutionFactor</a></td><td class=SDescription>{Object}</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.OpenLayers.Control.OverviewMap" >OpenLayers.<wbr>Control.<wbr>OverviewMap</a></td><td class=SDescription>Create a new overview map</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.destroy" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">destroy</a></td><td class=SDescription>Deconstruct the control</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.draw" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">draw</a></td><td class=SDescription>Render the control in the browser.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.baseLayerDraw" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">baseLayerDraw</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.rectDrag" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">rectDrag</a></td><td class=SDescription>Handle extent rectangle drag</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.mapDivClick" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">mapDivClick</a></td><td class=SDescription>Handle browser events</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.maximizeControl" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">maximizeControl</a></td><td class=SDescription>Unhide the control. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.minimizeControl" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">minimizeControl</a></td><td class=SDescription>Hide all the contents of the control, shrink the size, add the maximize icon</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.showToggle" id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">showToggle</a></td><td class=SDescription>Hide/Show the toggle depending on whether the control is minimized</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.update" id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">update</a></td><td class=SDescription>Update the overview map after layers move.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.isSuitableOverview" id=link13 onMouseOver="ShowTip(event, 'tt13', 'link13')" onMouseOut="HideTip('tt13')">isSuitableOverview</a></td><td class=SDescription>Determines if the overview map is suitable given the extent and resolution of the main map.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.createMap" id=link14 onMouseOver="ShowTip(event, 'tt14', 'link14')" onMouseOut="HideTip('tt14')">createMap</a></td><td class=SDescription>Construct the map that this control contains</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.updateRectToMap" id=link15 onMouseOver="ShowTip(event, 'tt15', 'link15')" onMouseOut="HideTip('tt15')">updateRectToMap</a></td><td class=SDescription>Updates the extent rectangle position and size to match the map extent</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.updateMapToRect" id=link16 onMouseOver="ShowTip(event, 'tt16', 'link16')" onMouseOut="HideTip('tt16')">updateMapToRect</a></td><td class=SDescription>Updates the map extent to match the extent rectangle position and size</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.setRectPxBounds" id=link17 onMouseOver="ShowTip(event, 'tt17', 'link17')" onMouseOut="HideTip('tt17')">setRectPxBounds</a></td><td class=SDescription>Set extent rectangle pixel bounds.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.getRectBoundsFromMapBounds" id=link18 onMouseOver="ShowTip(event, 'tt18', 'link18')" onMouseOut="HideTip('tt18')">getRectBoundsFromMapBounds</a></td><td class=SDescription>Get the rect bounds from the map bounds.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.getMapBoundsFromRectBounds" id=link19 onMouseOver="ShowTip(event, 'tt19', 'link19')" onMouseOut="HideTip('tt19')">getMapBoundsFromRectBounds</a></td><td class=SDescription>Get the map bounds from the rect bounds.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.getLonLatFromOverviewPx" id=link20 onMouseOver="ShowTip(event, 'tt20', 'link20')" onMouseOut="HideTip('tt20')">getLonLatFromOverviewPx</a></td><td class=SDescription>Get a map location from a pixel location</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.OverviewMap.getOverviewPxFromLonLat" id=link21 onMouseOver="ShowTip(event, 'tt21', 'link21')" onMouseOut="HideTip('tt21')">getOverviewPxFromLonLat</a></td><td class=SDescription>Get a pixel location from a map location</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
16 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.Properties"></a>Properties</h3></div></div>
18 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.element"></a>element</h3><div class=CBody><p>{DOMElement} The DOM element that contains the overview map</p></div></div></div>
20 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.ovmap"></a>ovmap</h3><div class=CBody><p>{<a href="../Map-js.html#OpenLayers.Map" class=LClass id=link24 onMouseOver="ShowTip(event, 'tt1', 'link24')" onMouseOut="HideTip('tt1')">OpenLayers.Map</a>} A reference to the overview map itself.</p></div></div></div>
22 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.size"></a>size</h3><div class=CBody><p>{<a href="../BaseTypes/Size-js.html#OpenLayers.Size" class=LClass id=link25 onMouseOver="ShowTip(event, 'tt2', 'link25')" onMouseOut="HideTip('tt2')">OpenLayers.Size</a>} The overvew map size in pixels. Note that this is the size of the map itself - the element that contains the map (default class name olControlOverviewMapElement) may have padding or other style attributes added via CSS.</p></div></div></div>
24 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.layers"></a>layers</h3><div class=CBody><p>{Array(<a href="../Layer-js.html#OpenLayers.Layer" class=LClass >OpenLayers.Layer</a>)} Ordered list of layers in the overview map. If none are sent at construction, the base layer for the main map is used.</p></div></div></div>
26 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.minRectSize"></a>minRectSize</h3><div class=CBody><p>{Integer} The minimum width or height (in pixels) of the extent rectangle on the overview map. When the extent rectangle reaches this size, it will be replaced depending on the value of the <a href="#OpenLayers.Control.OverviewMap.minRectDisplayClass" class=LProperty id=link26 onMouseOver="ShowTip(event, 'tt24', 'link26')" onMouseOut="HideTip('tt24')">minRectDisplayClass</a> property. Default is 15 pixels.</p></div></div></div>
28 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.minRectDisplayClass"></a>minRectDisplayClass</h3><div class=CBody><p>{String} Replacement style class name for the extent rectangle when <a href="#OpenLayers.Control.OverviewMap.minRectSize" class=LProperty id=link27 onMouseOver="ShowTip(event, 'tt3', 'link27')" onMouseOut="HideTip('tt3')">minRectSize</a> is reached. This string will be suffixed on to the displayClass. Default is “RectReplacement”.</p><h4 class=CHeading>Example CSS declaration</h4><blockquote><pre>.olControlOverviewMapRectReplacement {
31 background-image: url("img/overview_replacement.gif");
32 background-repeat: no-repeat;
33 background-position: center;
34 }</pre></blockquote></div></div></div>
36 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.minRatio"></a>minRatio</h3><div class=CBody><p>{Float} The ratio of the overview map resolution to the main map resolution at which to zoom farther out on the overview map.</p></div></div></div>
38 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.maxRatio"></a>maxRatio</h3><div class=CBody><p>{Float} The ratio of the overview map resolution to the main map resolution at which to zoom farther in on the overview map.</p></div></div></div>
40 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.mapOptions"></a>mapOptions</h3><div class=CBody><p>{Object} An object containing any non-default properties to be sent to the overview map’s map constructor. These should include any non-default options that the main map was constructed with.</p></div></div></div>
42 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.autoPan"></a>autoPan</h3><div class=CBody><p>{Boolean} Always pan the overview map, so the extent marker remains in the center. Default is false. If true, when you drag the extent marker, the overview map will update itself so the marker returns to the center.</p></div></div></div>
44 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.handlers"></a>handlers</h3><div class=CBody><p>{Object}</p></div></div></div>
46 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.resolutionFactor"></a>resolutionFactor</h3><div class=CBody><p>{Object}</p></div></div></div>
48 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.Constructor"></a>Constructor</h3></div></div>
50 <div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.OpenLayers.Control.OverviewMap"></a>OpenLayers.<wbr>Control.<wbr>OverviewMap</h3><div class=CBody><p>Create a new overview map</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>object</td><td class=CDLDescription>{Object} Properties of this object will be set on the overview map object. Note, to set options on the map object contained in this control, set <a href="#OpenLayers.Control.OverviewMap.mapOptions" class=LProperty id=link28 onMouseOver="ShowTip(event, 'tt25', 'link28')" onMouseOut="HideTip('tt25')">mapOptions</a> as one of the options properties.</td></tr></table></div></div></div>
52 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.Functions"></a>Functions</h3></div></div>
54 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>destroy: function()</td></tr></table></blockquote><p>Deconstruct the control</p></div></div></div>
56 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.draw"></a>draw</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>draw: function()</td></tr></table></blockquote><p>Render the control in the browser.</p></div></div></div>
58 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.baseLayerDraw"></a>baseLayerDraw</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>baseLayerDraw: function()</td></tr></table></blockquote><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>Draw the base layer</td><td class=CDLDescription>called if unable to complete in the initial draw</td></tr></table></div></div></div>
60 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.rectDrag"></a>rectDrag</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 nowrap>rectDrag: function(</td><td class=PParameter nowrap>px</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handle extent rectangle drag</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>px</td><td class=CDLDescription>{<a href="../BaseTypes/Pixel-js.html#OpenLayers.Pixel" class=LClass id=link29 onMouseOver="ShowTip(event, 'tt26', 'link29')" onMouseOut="HideTip('tt26')">OpenLayers.Pixel</a>} The pixel location of the drag.</td></tr></table></div></div></div>
62 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.mapDivClick"></a>mapDivClick</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 nowrap>mapDivClick: function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handle browser events</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>evt</td><td class=CDLDescription>{<a href="../Events-js.html#OpenLayers.Event" class=LClass id=link30 onMouseOver="ShowTip(event, 'tt27', 'link30')" onMouseOut="HideTip('tt27')">OpenLayers.Event</a>} evt</td></tr></table></div></div></div>
64 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.maximizeControl"></a>maximizeControl</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 nowrap>maximizeControl: function(</td><td class=PParameter nowrap>e</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Unhide the control. Called when the control is in the map viewport.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>e</td><td class=CDLDescription>{<a href="../Events-js.html#OpenLayers.Event" class=LClass id=link31 onMouseOver="ShowTip(event, 'tt27', 'link31')" onMouseOut="HideTip('tt27')">OpenLayers.Event</a>}</td></tr></table></div></div></div>
66 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.minimizeControl"></a>minimizeControl</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 nowrap>minimizeControl: function(</td><td class=PParameter nowrap>e</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hide all the contents of the control, shrink the size, add the maximize icon</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>e</td><td class=CDLDescription>{<a href="../Events-js.html#OpenLayers.Event" class=LClass id=link32 onMouseOver="ShowTip(event, 'tt27', 'link32')" onMouseOut="HideTip('tt27')">OpenLayers.Event</a>}</td></tr></table></div></div></div>
68 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.showToggle"></a>showToggle</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 nowrap>showToggle: function(</td><td class=PParameter nowrap>minimize</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hide/Show the toggle depending on whether the control is minimized</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>minimize</td><td class=CDLDescription>{Boolean}</td></tr></table></div></div></div>
70 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.update"></a>update</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>update: function()</td></tr></table></blockquote><p>Update the overview map after layers move.</p></div></div></div>
72 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.isSuitableOverview"></a>isSuitableOverview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>isSuitableOverview: function()</td></tr></table></blockquote><p>Determines if the overview map is suitable given the extent and resolution of the main map.</p></div></div></div>
74 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.createMap"></a>createMap</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>createMap: function()</td></tr></table></blockquote><p>Construct the map that this control contains</p></div></div></div>
76 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.updateRectToMap"></a>updateRectToMap</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>updateRectToMap: function()</td></tr></table></blockquote><p>Updates the extent rectangle position and size to match the map extent</p></div></div></div>
78 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.updateMapToRect"></a>updateMapToRect</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>updateMapToRect: function()</td></tr></table></blockquote><p>Updates the map extent to match the extent rectangle position and size</p></div></div></div>
80 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.setRectPxBounds"></a>setRectPxBounds</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 nowrap>setRectPxBounds: function(</td><td class=PParameter nowrap>pxBounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Set extent rectangle pixel bounds.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>pxBounds</td><td class=CDLDescription>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link33 onMouseOver="ShowTip(event, 'tt28', 'link33')" onMouseOut="HideTip('tt28')">OpenLayers.Bounds</a>}</td></tr></table></div></div></div>
82 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.getRectBoundsFromMapBounds"></a>getRectBoundsFromMapBounds</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 nowrap>getRectBoundsFromMapBounds: function(</td><td class=PParameter nowrap>lonLatBounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Get the rect bounds from the map bounds.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>lonLatBounds</td><td class=CDLDescription>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link34 onMouseOver="ShowTip(event, 'tt28', 'link34')" onMouseOut="HideTip('tt28')">OpenLayers.Bounds</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link35 onMouseOver="ShowTip(event, 'tt28', 'link35')" onMouseOut="HideTip('tt28')">OpenLayers.Bounds</a>}A bounds which is the passed-in map lon/lat extent translated into pixel bounds for the overview map</p></div></div></div>
84 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.getMapBoundsFromRectBounds"></a>getMapBoundsFromRectBounds</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 nowrap>getMapBoundsFromRectBounds: function(</td><td class=PParameter nowrap>pxBounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Get the map bounds from the rect bounds.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>pxBounds</td><td class=CDLDescription>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link36 onMouseOver="ShowTip(event, 'tt28', 'link36')" onMouseOut="HideTip('tt28')">OpenLayers.Bounds</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Bounds-js.html#OpenLayers.Bounds" class=LClass id=link37 onMouseOver="ShowTip(event, 'tt28', 'link37')" onMouseOut="HideTip('tt28')">OpenLayers.Bounds</a>} Bounds which is the passed-in overview rect bounds translated into lon/lat bounds for the overview map</p></div></div></div>
86 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.getLonLatFromOverviewPx"></a>getLonLatFromOverviewPx</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 nowrap>getLonLatFromOverviewPx: function(</td><td class=PParameter nowrap>overviewMapPx</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Get a map location from a pixel location</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>overviewMapPx</td><td class=CDLDescription>{<a href="../BaseTypes/Pixel-js.html#OpenLayers.Pixel" class=LClass id=link38 onMouseOver="ShowTip(event, 'tt26', 'link38')" onMouseOut="HideTip('tt26')">OpenLayers.Pixel</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/LonLat-js.html#OpenLayers.LonLat" class=LClass id=link39 onMouseOver="ShowTip(event, 'tt29', 'link39')" onMouseOut="HideTip('tt29')">OpenLayers.LonLat</a>} Location which is the passed-in overview map OpenLayers.Pixel, translated into lon/lat by the overview map</p></div></div></div>
88 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.OverviewMap.getOverviewPxFromLonLat"></a>getOverviewPxFromLonLat</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 nowrap>getOverviewPxFromLonLat: function(</td><td class=PParameter nowrap>lonlat</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Get a pixel location from a map location</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>lonlat</td><td class=CDLDescription>{<a href="../BaseTypes/LonLat-js.html#OpenLayers.LonLat" class=LClass id=link40 onMouseOver="ShowTip(event, 'tt29', 'link40')" onMouseOut="HideTip('tt29')">OpenLayers.LonLat</a>}</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="../BaseTypes/Pixel-js.html#OpenLayers.Pixel" class=LClass id=link41 onMouseOver="ShowTip(event, 'tt26', 'link41')" onMouseOut="HideTip('tt26')">OpenLayers.Pixel</a>} Location which is the passed-in OpenLayers.LonLat, translated into overview map pixels</p></div></div></div>
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103 <!--START_ND_TOOLTIPS-->
104 <div class=CToolTip id="tt1"><div class=CClass>Instances of OpenLayers.Map are interactive maps embedded in a web page. </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=CProperty>{Integer} The minimum width or height (in pixels) of the extent rectangle on the overview map. </div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>destroy: function()</td></tr></table></blockquote>Deconstruct the control</div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>draw: function()</td></tr></table></blockquote>Render the control in the browser.</div></div><div class=CToolTip id="tt6"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>baseLayerDraw: function()</td></tr></table></blockquote></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 nowrap>rectDrag: function(</td><td class=PParameter nowrap>px</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handle extent rectangle drag</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 nowrap>mapDivClick: function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handle browser events</div></div><div class=CToolTip id="tt9"><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 nowrap>maximizeControl: function(</td><td class=PParameter nowrap>e</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Unhide the control. </div></div><div class=CToolTip id="tt10"><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 nowrap>minimizeControl: function(</td><td class=PParameter nowrap>e</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hide all the contents of the control, shrink the size, add the maximize icon</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 nowrap>showToggle: function(</td><td class=PParameter nowrap>minimize</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hide/Show the toggle depending on whether the control is minimized</div></div><div class=CToolTip id="tt12"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>update: function()</td></tr></table></blockquote>Update the overview map after layers move.</div></div><div class=CToolTip id="tt13"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>isSuitableOverview: function()</td></tr></table></blockquote>Determines if the overview map is suitable given the extent and resolution of the main map.</div></div><div class=CToolTip id="tt14"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>createMap: function()</td></tr></table></blockquote>Construct the map that this control contains</div></div><div class=CToolTip id="tt15"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>updateRectToMap: function()</td></tr></table></blockquote>Updates the extent rectangle position and size to match the map extent</div></div><div class=CToolTip id="tt16"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>updateMapToRect: function()</td></tr></table></blockquote>Updates the map extent to match the extent rectangle position and size</div></div><div class=CToolTip id="tt17"><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 nowrap>setRectPxBounds: function(</td><td class=PParameter nowrap>pxBounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Set extent rectangle pixel bounds.</div></div><div class=CToolTip id="tt18"><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 nowrap>getRectBoundsFromMapBounds: function(</td><td class=PParameter nowrap>lonLatBounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Get the rect bounds from the map bounds.</div></div><div class=CToolTip id="tt19"><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 nowrap>getMapBoundsFromRectBounds: function(</td><td class=PParameter nowrap>pxBounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Get the map bounds from the rect bounds.</div></div><div class=CToolTip id="tt20"><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 nowrap>getLonLatFromOverviewPx: function(</td><td class=PParameter nowrap>overviewMapPx</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Get a map location from a pixel location</div></div><div class=CToolTip id="tt21"><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 nowrap>getOverviewPxFromLonLat: function(</td><td class=PParameter nowrap>lonlat</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Get a pixel location from a map location</div></div><div class=CToolTip id="tt22"><div class=CConstructor>Create a new overview map</div></div><div class=CToolTip id="tt23"><div class=CClass>Controls affect the display or behavior of the map. </div></div><div class=CToolTip id="tt24"><div class=CProperty>{String} Replacement style class name for the extent rectangle when minRectSize is reached. </div></div><div class=CToolTip id="tt25"><div class=CProperty>{Object} An object containing any non-default properties to be sent to the overview map’s map constructor. </div></div><div class=CToolTip id="tt26"><div class=CClass>This class represents a screen coordinate, in x and y coordinates</div></div><div class=CToolTip id="tt27"><div class=CClass>Utility functions for event handling.</div></div><div class=CToolTip id="tt28"><div class=CClass>Instances of this class represent bounding boxes. </div></div><div class=CToolTip id="tt29"><div class=CClass>This class represents a longitude and latitude pair</div></div><!--END_ND_TOOLTIPS-->
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