摘要：
邻近度描述了地理空间中两个地物距离相近的程度，是空间分析的一个重要手段。
邻近度（Proximity）描述了地理空间中两个地物距离相近的程度，是空间分析的一个重要手段。
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>ToolTitle</title> <script language="javascript"src="ToolsCommon65.js"></script> <link rel="StyleSheet"href="Style.css"type="text/css"> <style>.MenuButton {height:78px;width:65px;margin:5px;white-space:normal; }.MenuButtonHighlight {color:Red;font-weight:bold; } </style> </head> <body leftmargin="0"topmargin="0"marginwidth="0"marginheight="0"style="border: 0; overflow: auto; background-color: #ffffff"id="Body"onload="Init()"onunload="Reset(0,0);DeleteTarget();"> <!--oncontextmenu="return false;" onclick="bHide=true;HideOptionsNow()" > --> <table border="0"width="100%"cellspacing="0"cellpadding="2"> <tr> <td id="TopAreaTD"height="50px"width="100%"valign="middle"style="background-color: #CAD8E2"> <table border="0"width="100%"cellspacing="0"cellpadding="0"> <tr> <td width="12px"></td> <td width="55px"><img src="images/ProximityIcon.gif"align="absmiddle" /></td> <td id="TitleTD"align="center"class="s12b i18n">ToolName</td> <!--<td valign="top" id="CloseHelpTd"><img src="http://t.zoukankan.com/CommonImg/help.gif" border="0" alt="help" title="help" onclick="DisplayHelpPopup6 (SGLang.i18nFile('help.html'),SGLang.i18n('help'))" style="cursor: pointer;"></td>--> </tr> </table> </td> </tr> <tr height="1px"> <td style="background-repeat: repeat-x;"background="../CommonImg/separator.gif"> </td> </tr> <tr> <td> <br /> </td> </tr> </table> <table border="0"cellspacing="1"cellpadding="3"bgcolor="#ffffff"class="s8"width="100%"> <tr > <td class="s8b"> <label for="createAs"class="i18n">Text30</label> </td> <td align="left"> <input id="targetID"type="text"value=""style="100px"readonly="readonly"/> <!-- <button type="button" onclick="SetTargetFromSelectedPress()"><span class="i18n">Text31</span></button> <button type="button" onclick="CreateTargetPress()"><span class="i18n">Text43</span></button>--> <br /> <a id="SetTargetFromSelected"class="link i18n"onclick="SetTargetFromSelectedPress();">Text31</a>| <a id="CreateTarget"class="link i18n"class="link"onclick="CreateTargetPress();">Text43</a></div> </td> </tr> <tr class='TableOtherLine'> <td class="s8b"> <label for="createAs"class="i18n">Text32</label> </td> <td align="left"> <input id="trackedGroupID"type="text"value=""style="100px"readonly="readonly"/> <!-- <button type="button" onclick="SetGroupFromSelectedPress()"><span class="i18n">Text31</span></button>--> <br /> <a id="SetGroupFromSelected"class="link i18n"onclick="SetGroupFromSelectedPress();">Text31</a> <span id="Span1" > </td> </tr> <tr > <td align="top"class="s8b i18n"> <label for="createAs"class="i18n">Text33</label> </td> <td align="left"> <input id="warningRadiusID"type="text"value="700"style="100px; background-color:#FFD7C1"/><label for="createAs"class="i18n">Text35</label> </td> </tr> <tr class='TableOtherLine'> <td class="s8b"> <label for="createAs"class="i18n">Text34</label> </td> <td align="left"> <input id="dangerRadiusID"type="text"value="300"style="100px; background-color:#FFD7D7;"/><label for="createAs"class="i18n">Text35</label> </td> </tr> <tr > <td class="s8b"> <label for="createAs"class="i18n">Text42</label> </td> <td align="left"> <input id="chkTint"type="checkbox"style="20px;"onclick="bTint = document.getElementById('chkTint').checked;"checked="checked"/> </td> </tr> <tr> <td colspan="2"valign="top"class="s8b i18n"align="center"> <button id="startStopButton"class="MenuButton"onclick="StartStop()"><img src="images/startCursor.gif" /><br /> <span id="startstopSpan"class="i18n">Text36</span></button> </td> </tr> </table> <object id="SGWorld"classid="CLSID:3a4f9197-65a8-11d5-85c1-0001023952c1"> </object> <script language="JavaScript"> functionDetectTEMode() { varvMode =document.documentMode; varrMode = 'IE5 Quirks Mode'; if(vMode == 8){ rMode = 'IE8 Standards Mode'; } else if(vMode == 7){ rMode = 'IE7 Strict Mode'; } else if(vMode == 9){ rMode = 'IE9 Strict Mode'; } //alert('Rendering in: ' + rMode); } DetectTEMode(); //***delete the uneeded ones at the end vargDisplayHeadingSlope ; vargDisplayMinMaxSlope ; vargDisplayCoordinateInfo; vargLastClickMouseX; vargLastClickMouseY; ///var popupMsg; vartimeoutID; varmeasureDistance; varwarningSlope; varalertSlope; vararrowMaxPositive; vararrowMaxNegative; vararrowHeading; varlabelMaxPositive; varlabelMaxNegative; varlabelHeading; varlabelCoordinateInfo; vargroupID; varcolorNormalPositive ; varcolorNormalNegative; varcolorHeading; varcolorLinewarning ; varcolorLineAlert; varcolorLabel; varcolorTextNormal; varcolorTextWarning; varcolorTextAlert; vargNameIndex = 1; varcameraClickPos; varrootId; //Proximity globals varisStart = false; varwarningRadius; vardangerRadius; vartargetObj; vartrackedObjArray =[]; varcolorLineWarning; varcolorLineDanger; varbTint = true; vartmpGroup; varbInPlaceTarget = false; varmanualTargetLabel; //--------------//Init functionInit() { targetObj = null; manualTargetLabel = null; SGWorld.AttachEvent("onFrame", onFrame); colorLineWarning =SGWorld.Creator.CreateColor(238, 173, 23, 255); colorLineDanger =SGWorld.Creator.CreateColor(255, 117, 117, 255); Reset(true, false); TargetPathNameParam =GetParamValue("TargetPathName", ""); if(TargetPathNameParam != "") SetTargetFromPathName(TargetPathNameParam); else{ if(SGWorld.ProjectTree.FindItem("Target") != 0) SetTargetFromPathName("Target"); } TrackedGroupPathNameParam =GetParamValue("TrackedGroupPathName", ""); if(TrackedGroupPathNameParam != "") SetTrackedGroupFromPathName(TrackedGroupPathNameParam); else{ if(SGWorld.ProjectTree.FindItem("Tracked Group") != 0) SetTrackedGroupFromPathName("Tracked Group"); } if(document.getElementById("targetID").value != "" &&document.getElementById("trackedGroupID").value != "") StartStop(); } //------------//onFrame functiononFrame() { if(isStart == false ||targetObj == null) return; displayProximityInfo(); } //--------------//SetTargetFromSelectedPress functionSetTargetFromSelectedPress() { varnode =SGWorld.ProjectTree.GetNextItem("", 10); if(node == 0 ||SGWorld.ProjectTree.IsGroup(node)) { alert(SGLang.i18n("Text38")); return; } SetTarget(node); } //--------------//SetTargetFromPathName functionSetTargetFromPathName(pathName) { varnode =SGWorld.ProjectTree.FindItem(pathName); if(node == 0 ||SGWorld.ProjectTree.IsGroup(node)) { alert(SGLang.i18n("Text38")); return; } SetTarget(node); } //--------------//SetTarget functionSetTarget(node) { try{ varobject =SGWorld.ProjectTree.GetObject(node); vartargetPosition =object.Position; if(!targetPosition) { alert(SGLang.i18n("Text38")); return; } document.getElementById("targetID").value =object.TreeItem.Name; DeleteTarget(); targetObj =object; } catch(err) { alert(SGLang.i18n("Text38")); return; } } //--------------//CreateTargetPress functionCreateTargetPress() { if(!bInPlaceTarget) { bInPlaceTarget = true; SGWorld.AttachEvent("OnLButtonUp", CreateTarget); SGWorld.AttachEvent("OnRButtonUp", CreateTargetRButtonUp); SGWorld.AttachEvent("OnInputModeChanged", ResetCreateTarget); document.getElementById("CreateTarget").innerText =SGLang.i18n("Text46"); SGWorld.Window.SetInputMode(1, abspath() + "/cursor_m.cur"); SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text44")); } else{ ResetCreateTarget(); } } //--------------//CreateTargetRButtonUp functionCreateTargetRButtonUp(Flags, X, Y) { ResetCreateTarget(); } //--------------//ResetCreateTarget functionResetCreateTarget() { document.getElementById("CreateTarget").innerText =SGLang.i18n("Text43"); SGWorld.DetachEvent("OnLButtonUp", CreateTarget); SGWorld.DetachEvent("OnInputModeChanged", ResetCreateTarget); bInPlaceTarget = false; SGWorld.Window.SetInputMode(0); } //--------------//CreateTarget functionCreateTarget(Flags, X, Y) { varCursorCoord =SGWorld.Window.pixelToWorld(X, Y); if(CursorCoord == null) ResetCreateTarget(); varimageLabelStyle =SGWorld.Creator.CreateLabelStyle(0); imageLabelStyle.Scale = 1.0; DeleteTarget(); manualTargetLabel =SGWorld.Creator.CreateImageLabel(CursorCoord.Position, abspath() + "/Images/icon.png", imageLabelStyle, SGWorld.ProjectTree.HiddenGroupID, SGLang.i18n("Text45")); manualTargetLabel.SaveInFlyFile = false; document.getElementById("targetID").value =manualTargetLabel.TreeItem.Name; targetObj =manualTargetLabel; ResetCreateTarget(); } //--------------//DeleteTarget functionDeleteTarget() { if(manualTargetLabel != null) { SGWorld.Creator.DeleteObject(manualTargetLabel.ID); manualTargetLabel = null; } } //--------------//SetGroupFromSelectedPress functionSetGroupFromSelectedPress() { varnode =SGWorld.ProjectTree.GetNextItem("", 10); SetTargetGroup(node); } //--------------//SetTrackedGroupFromPathName functionSetTrackedGroupFromPathName(pathName) { varnode =SGWorld.ProjectTree.FindItem(pathName); SetTargetGroup(node); } //--------------//SetGroupFromSelectedPress functionSetTargetGroup(nodeID) { varnode =nodeID; /*To allow layers as well ViewshedQuery tool uses: if (node == 0 || !(SGWorld.ProjectTree.IsGroup(node) || SGWorld.ProjectTree.IsLayer(node))) { */ if(node == 0 ||SGWorld.ProjectTree.IsLayer(node)) { alert(SGLang.i18n("Text39")); return; } if(SGWorld.ProjectTree.IsGroup(node)) {//group EmptytrackedObjArray(); searchObjects2(node, AddObjectToArray); document.getElementById("trackedGroupID").value =SGWorld.ProjectTree.GetItemName(node); } else{//object varobject =SGWorld.ProjectTree.GetObject(node); vartrackedPosition =object.Position; if(!trackedPosition) { alert(SGLang.i18n("Text38")); return; } EmptytrackedObjArray(); PushtrackedObj2Array(object); document.getElementById("trackedGroupID").value =object.TreeItem.Name; } } //--------------//StartStop functionStartStop() { if(!isStart) { isStart = true; document.getElementById("targetID").disabled = true; document.getElementById("SetTargetFromSelected").disabled = true; document.getElementById("CreateTarget").disabled = true; document.getElementById("trackedGroupID").disabled = true; document.getElementById("SetGroupFromSelected").disabled = true; document.getElementById("warningRadiusID").disabled = true; document.getElementById("dangerRadiusID").disabled = true; document.getElementById("chkTint").disabled = true; startstopSpan.innerHTML =SGLang.i18n("Text37"); warningRadius =document.getElementById("warningRadiusID").value; dangerRadius =document.getElementById("dangerRadiusID").value; } else{ Reset(false, false); } } //------------------//Reset//------------------ functionReset(FirstTime, FromMouseInputMode) { try{ startstopSpan.innerHTML =SGLang.i18n("Text36"); if(isStart &&SGWorld.Project.Name != "") { isStart = false; deleteObjs(); } isStart = false; document.getElementById("targetID").disabled = false; document.getElementById("SetTargetFromSelected").disabled = false; document.getElementById("trackedGroupID").disabled = false; document.getElementById("SetGroupFromSelected").disabled = false; document.getElementById("warningRadiusID").disabled = false; document.getElementById("dangerRadiusID").disabled = false; document.getElementById("chkTint").disabled = false; document.getElementById("CreateTarget").disabled = false; } catch(err) { isStart = false; } } //-------------//AddObjectToArray functionAddObjectToArray(object, type, altitudeType) { SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text40")); SGWorld.ProjectTree.EnableRedraw(0); if(type == 1) { //In the future may want to work on the pivot of the polyline. was: if (!DrawOnPolyline(geometry, type, altitudeType)) return false; } else if(type == 2) { //In the future may want to work on the pivot of the polyline. was: if (!DrawOnPolygon(geometry, type, altitudeType)) return false; } else //Selected points { PushtrackedObj2Array(object); } return true; } //-------------------//searchObjects2 - modified from ToolsCommon65 searchGeometries functionsearchObjects2(parentNode, callbackFunc) { SGWorld.ProjectTree.EnableRedraw(0); searchObjectsLeaf2(parentNode, callbackFunc); SGWorld.ProjectTree.EnableRedraw(1); } //-------------------//searchObjectsLeaf2 - modified from ToolsCommon65 searchGeometriesLeaf2 functionsearchObjectsLeaf2(parentNode, callbackFunc) { if(SGWorld.ProjectTree.IsLayer(parentNode)) //Layer { varlayer =SGWorld.ProjectTree.GetLayer(parentNode); varfeatureGroups =layer.FeatureGroups; for(vari = 0; i <featureGroups.Count; i++) //Traverse all sub-layers { varfeatureGroup =featureGroups.Item(i); varaltitudeType =AltitudeMethodToAltitudeType(featureGroup.GetProperty("Altitude Method")); varfeatures =featureGroup.Features; for(varj = 0; j <features.Count; j++) { varret; if(featureGroup.GeometryType != 0) ret =callbackFunc(features.Item(j).Geometry, featureGroup.GeometryType, altitudeType); else{ if(features.Item(j).Geometry.GeometryType == 0) //Point { varposition =SGWorld.Creator.CreatePosition(features.Item(j).Geometry.X, features.Item(j).Geometry.Y, features.Item(j).Geometry.Z); ret =callbackFunc(position, featureGroup.GeometryType, altitudeType); } } if(!ret) return; } } } else{ varnode =SGWorld.ProjectTree.GetNextItem(parentNode, 11); while(node != "") { if(SGWorld.ProjectTree.IsGroup(node) ||SGWorld.ProjectTree.IsLayer(node)) searchObjectsLeaf2(node, callbackFunc); else{ varObject =SGWorld.Creator.GetObject(node); if(Object != null) { varaltitudeType =Object.Position.AltitudeType; varret; if(Object.ObjectType == 1 ||Object.ObjectType == 2) ret =callbackFunc(Object/*.Geometry*/, Object.ObjectType, altitudeType); elseret =callbackFunc(Object/*.Position*/, Object.ObjectType, altitudeType); if(!ret) return; } } node =SGWorld.ProjectTree.GetNextItem(node, 13); } } } //--------------//EmptytrackedObjArray functionEmptytrackedObjArray() { while(trackedObjArray.length > 0) { trackedObjArray.pop(); } } //--------------//PushtrackedObj2Array functionPushtrackedObj2Array(object) { trackedObjArray.push({ "object": object, "lineObj": null, "distLabelObj": null, "level": "undefined"}); } //------------//deleteObjs functiondeleteObjs() {//In the future move logic to deleteObj that can be called from here and from other places. try{ //while (trackedObjArray.length > 0) for(vari = 0; i <trackedObjArray.length; i++) { //var item = trackedObjArray.pop(); varitem =trackedObjArray[i]; if(item.lineObj != null) { SGWorld.Creator.DeleteObject(item.lineObj.ID); item.lineObj = null; } if(item.distLabelObj != null) { SGWorld.Creator.DeleteObject(item.distLabelObj.ID); item.distLabelObj = null; } item.level = "undefined"; if(bTint) item.object.Terrain.Tint =SGWorld.Creator.CreateColor(0, 0, 0, 0); } } catch(err) { alert(SGLang.i18n("Text41") +err); Reset(0, 0); } } //------------//displayProximityInfo functiondisplayProximityInfo() { //debugger; if(!isStart ||targetObj == null) { return false; } try{ for(vari = 0; i <trackedObjArray.length; i++) { //calculate distance vardist =SGWorld.CoordServices.GetDistance3D(targetObj.Position, trackedObjArray[i].object.Position); if(dist <=warningRadius) { //Create/Update polygon if(trackedObjArray[i].lineObj == null) { varabsoluteTargetObj =targetObj.Position.ToAbsolute(0); varabsoluteTrackedObj =trackedObjArray[i].object.Position.ToAbsolute(0); varpointsArray =[absoluteTargetObj.X, absoluteTargetObj.Y, absoluteTargetObj.Altitude, absoluteTrackedObj.X, absoluteTrackedObj.Y, absoluteTrackedObj.Altitude]; trackedObjArray[i].lineObj =SGWorld.Creator.CreatePolylineFromArray(pointsArray, colorLineDanger, 3, SGWorld.ProjectTree.HiddenGroupID); //leave this comment: ATC_TERRAIN_ABSOLUTE = 3 trackedObjArray[i].lineObj.SaveInFlyFile = false; trackedObjArray[i].lineObj.SetParam(5440, 1); trackedObjArray[i].lineObj.LineStyle.Width = -2} else{ trackedObjArray[i].lineObj.Geometry.StartEdit() //update second point varabsolutePosition =trackedObjArray[i].object.Position.ToAbsolute(0); trackedObjArray[i].lineObj.Geometry.Points.Item(1).X =absolutePosition.X; trackedObjArray[i].lineObj.Geometry.Points.Item(1).Y =absolutePosition.Y; trackedObjArray[i].lineObj.Geometry.Points.Item(1).Z =absolutePosition.Altitude; trackedObjArray[i].lineObj.Geometry.EndEdit() } //Create/Update Text ***arik: Does it look good? what to do when below ground if(trackedObjArray[i].distLabelObj == null) { varabsoluteTargetObj =targetObj.Position.ToAbsolute(0); varabsoluteTrackedObj =trackedObjArray[i].object.Position.ToAbsolute(0); varmiddlePosition =absoluteTargetObj.MoveToward(absoluteTrackedObj, dist / 2); middlePosition.Altitude =middlePosition.Altitude +warningRadius / 40; varlabelStyle =SGWorld.Creator.CreateLabelStyle(0); labelStyle.Bold = true; //labelStyle.LineToGround = false; labelStyle.Scale =warningRadius / 20; labelStyle.FontSize = 10; trackedObjArray[i].distLabelObj =SGWorld.Creator.CreateTextLabel(middlePosition, dist.toFixed(2), labelStyle, SGWorld.ProjectTree.HiddenGroupID); trackedObjArray[i].distLabelObj.SaveInFlyFile = false; } else{ varabsoluteTargetObj =targetObj.Position.ToAbsolute(0); varabsoluteTrackedObj =trackedObjArray[i].object.Position.ToAbsolute(0); varmiddlePosition =absoluteTargetObj.MoveToward(absoluteTrackedObj, dist / 2); middlePosition.Altitude =middlePosition.Altitude +warningRadius / 40; trackedObjArray[i].distLabelObj.Position =middlePosition; trackedObjArray[i].distLabelObj.Text =dist.toFixed(2); } //Color objects varnewLevel =(dist >dangerRadius) ? "warning": "danger"; if(trackedObjArray[i].level !=newLevel) { trackedObjArray[i].lineObj.LineStyle.Color =(newLevel == "danger") ?colorLineDanger : colorLineWarning; trackedObjArray[i].distLabelObj.Style.TextColor =(newLevel == "danger") ?colorLineDanger : colorLineWarning; if(bTint) { trackedObjArray[i].object.Terrain.Tint =(newLevel == "danger") ?colorLineDanger : colorLineWarning; trackedObjArray[i].object.Terrain.Tint.SetAlpha(0.5); } } } else{ if(trackedObjArray[i].lineObj != null) { SGWorld.Creator.DeleteObject(trackedObjArray[i].lineObj.ID); trackedObjArray[i].lineObj = null; } if(trackedObjArray[i].distLabelObj != null) { SGWorld.Creator.DeleteObject(trackedObjArray[i].distLabelObj.ID); trackedObjArray[i].distLabelObj = null; } trackedObjArray[i].object.Terrain.Tint =SGWorld.Creator.CreateColor(0, 0, 0, 0); } } } catch(err) { alert(SGLang.i18n("Text41") +err); Reset(0, 0); } } </script> </body> </html>