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。
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<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>
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<td>
<br />
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<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="width:100px" readonly="readonly"/>
<!-- <button id="SetTargetFromSelected" type="button" onclick="SetTargetFromSelectedPress()"><span id="Span1" class="i18n">Text31</span></button>
<button id="CreateTarget" type="button" onclick="CreateTargetPress()"><span id="Span3" 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>
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</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="width:100px" readonly="readonly"/>
<!-- <button id="SetGroupFromSelected" type="button" onclick="SetGroupFromSelectedPress()"><span id="Span2" 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="width: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="width: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="width: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>
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//***delete the uneeded ones at the end
var gDisplayHeadingSlope ;
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var colorLinewarning ;
var colorLineAlert;
var colorLabel;
var colorTextNormal;
var colorTextWarning;
var colorTextAlert;
var gNameIndex = 1;
var cameraClickPos;
var rootId;
//Proximity globals
var isStart = false;
var warningRadius;
var dangerRadius;
var targetObj;
var trackedObjArray = [];
var colorLineWarning;
var colorLineDanger;
var bTint = true;
var tmpGroup;
var bInPlaceTarget = false;
var manualTargetLabel;
//--------------
// Init
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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);
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SetTrackedGroupFromPathName("Tracked Group");
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if (document.getElementById("targetID").value != "" && document.getElementById("trackedGroupID").value != "")
StartStop();
}
//------------
//onFrame
function onFrame() {
if (isStart == false || targetObj == null)
return;
displayProximityInfo();
}
//--------------
// SetTargetFromSelectedPress
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// SetTargetFromPathName
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// SetTarget
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var object = SGWorld.ProjectTree.GetObject(node);
var targetPosition = object.Position;
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document.getElementById("targetID").value = object.TreeItem.Name;
DeleteTarget();
targetObj = object;
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catch (err) {
alert(SGLang.i18n("Text38"));
return;
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// CreateTargetPress
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SGWorld.AttachEvent("OnLButtonUp", CreateTarget);
SGWorld.AttachEvent("OnRButtonUp", CreateTargetRButtonUp);
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SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text44"));
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ResetCreateTarget();
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//--------------
// CreateTargetRButtonUp
function CreateTargetRButtonUp(Flags, X, Y) {
ResetCreateTarget();
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//--------------
// ResetCreateTarget
function ResetCreateTarget() {
document.getElementById("CreateTarget").innerText = SGLang.i18n("Text43");
SGWorld.DetachEvent("OnLButtonUp", CreateTarget);
SGWorld.DetachEvent("OnInputModeChanged", ResetCreateTarget);
bInPlaceTarget = false;
SGWorld.Window.SetInputMode(0);
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manualTargetLabel.SaveInFlyFile = false;
document.getElementById("targetID").value = manualTargetLabel.TreeItem.Name;
targetObj = manualTargetLabel;
ResetCreateTarget();
}
//--------------
// DeleteTarget
function DeleteTarget() {
if (manualTargetLabel != null) {
SGWorld.Creator.DeleteObject(manualTargetLabel.ID);
manualTargetLabel = null;
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}
//--------------
// SetGroupFromSelectedPress
function SetGroupFromSelectedPress() {
var node = SGWorld.ProjectTree.GetNextItem("", 10);
SetTargetGroup(node);
}
//--------------
// SetTrackedGroupFromPathName
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var node = SGWorld.ProjectTree.FindItem(pathName);
SetTargetGroup(node);
}
//--------------
// SetGroupFromSelectedPress
function SetTargetGroup(nodeID) {
var node = nodeID;
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alert(SGLang.i18n("Text39"));
return;
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EmptytrackedObjArray();
searchObjects2(node, AddObjectToArray);
document.getElementById("trackedGroupID").value = SGWorld.ProjectTree.GetItemName(node);
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var object = SGWorld.ProjectTree.GetObject(node);
var trackedPosition = object.Position;
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alert(SGLang.i18n("Text38"));
return;
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EmptytrackedObjArray();
PushtrackedObj2Array(object);
document.getElementById("trackedGroupID").value = object.TreeItem.Name;
}
}
//--------------
// StartStop
function StartStop() {
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
//------------------
function Reset(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
function AddObjectToArray(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
function searchObjects2(parentNode, callbackFunc) {
SGWorld.ProjectTree.EnableRedraw(0);
searchObjectsLeaf2(parentNode, callbackFunc);
SGWorld.ProjectTree.EnableRedraw(1);
}
//-------------------
// searchObjectsLeaf2 - modified from ToolsCommon65 searchGeometriesLeaf2
function searchObjectsLeaf2(parentNode, callbackFunc) {
if (SGWorld.ProjectTree.IsLayer(parentNode)) // Layer
{
var layer = SGWorld.ProjectTree.GetLayer(parentNode);
var featureGroups = layer.FeatureGroups;
for (var i = 0; i < featureGroups.Count; i++) // Traverse all sub-layers
{
var featureGroup = featureGroups.Item(i);
var altitudeType = AltitudeMethodToAltitudeType(featureGroup.GetProperty("Altitude Method"));
var features = featureGroup.Features;
for (var j = 0; j < features.Count; j++) {
var ret;
if (featureGroup.GeometryType != 0)
ret = callbackFunc(features.Item(j).Geometry, featureGroup.GeometryType, altitudeType);
else {
if (features.Item(j).Geometry.GeometryType == 0) // Point
{
var position = 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 {
var node = SGWorld.ProjectTree.GetNextItem(parentNode, 11);
while (node != "") {
if (SGWorld.ProjectTree.IsGroup(node) || SGWorld.ProjectTree.IsLayer(node))
searchObjectsLeaf2(node, callbackFunc);
else {
var Object = SGWorld.Creator.GetObject(node);
if (Object != null) {
var altitudeType = Object.Position.AltitudeType;
var ret;
if (Object.ObjectType == 1 || Object.ObjectType == 2)
ret = callbackFunc(Object/*.Geometry*/, Object.ObjectType, altitudeType);
else
ret = callbackFunc(Object/*.Position*/, Object.ObjectType, altitudeType);
if (!ret)
return;
}
}
node = SGWorld.ProjectTree.GetNextItem(node, 13);
}
}
}
//--------------
// EmptytrackedObjArray
function EmptytrackedObjArray() {
while (trackedObjArray.length > 0) {
trackedObjArray.pop();
}
}
//--------------
// PushtrackedObj2Array
function PushtrackedObj2Array(object) {
trackedObjArray.push({
"object": object,
"lineObj": null,
"distLabelObj": null,
"level": "undefined"
});
}
//------------
//deleteObjs
function deleteObjs() {//In the future move logic to deleteObj that can be called from here and from other places.
try {
//while (trackedObjArray.length > 0)
for (var i = 0; i < trackedObjArray.length; i++) {
//var item = trackedObjArray.pop();
var item = 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
function displayProximityInfo() {
//debugger;
if (!isStart || targetObj == null ) {
return false;
}
try {
for (var i = 0; i < trackedObjArray.length; i++) {
//calculate distance
var dist = SGWorld.CoordServices.GetDistance3D(targetObj.Position, trackedObjArray[i].object.Position);
if (dist <= warningRadius) {
//Create/Update polygon
if (trackedObjArray[i].lineObj == null) {
var absoluteTargetObj = targetObj.Position.ToAbsolute(0);
var absoluteTrackedObj = trackedObjArray[i].object.Position.ToAbsolute(0);
var pointsArray = [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
var absolutePosition = 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) {
var absoluteTargetObj = targetObj.Position.ToAbsolute(0);
var absoluteTrackedObj = trackedObjArray[i].object.Position.ToAbsolute(0);
var middlePosition = absoluteTargetObj.MoveToward(absoluteTrackedObj, dist / 2);
middlePosition.Altitude = middlePosition.Altitude + warningRadius / 40;
var labelStyle = 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 {
var absoluteTargetObj = targetObj.Position.ToAbsolute(0);
var absoluteTrackedObj = trackedObjArray[i].object.Position.ToAbsolute(0);
var middlePosition = 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
var newLevel = (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); }
}
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</html>
时间： 2024-08-07 07:28:16