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SkylineGlobe 邻近度（Proximity）分析JavaScript源代码

时间：2015-12-29 12:30:18      阅读：284      评论：0      收藏：0      [点我收藏+]

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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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<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" align="right" id="CloseHelpTd"><img src="../CommonImg/help.gif" border="0" class="i18n" 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="width:100px" readonly="readonly"/>
<!--                        &nbsp;&nbsp;<button id="SetTargetFromSelected" type="button" onclick="SetTargetFromSelectedPress()"><span id="Span1" class="i18n">Text31</span></button>
                        &nbsp;&nbsp;<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>
                        </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="width:100px" readonly="readonly"/>
                        <!--&nbsp;&nbsp;<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> 

                        </td>
                        </tr>
    </table>

 <object id="SGWorld" classid="CLSID:3a4f9197-65a8-11d5-85c1-0001023952c1">    </object>


<script language="JavaScript">
function DetectTEMode()
{
var vMode = document.documentMode;
var rMode = ‘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
var gDisplayHeadingSlope ;
var gDisplayMinMaxSlope ;
var gDisplayCoordinateInfo;
var gLastClickMouseX;
var gLastClickMouseY;
///var popupMsg;
var timeoutID;
var measureDistance;
var warningSlope;
var alertSlope;
var arrowMaxPositive;
var arrowMaxNegative;
var arrowHeading;
var labelMaxPositive;
var labelMaxNegative;
var labelHeading;
var labelCoordinateInfo;
var groupID;
var colorNormalPositive ;
var colorNormalNegative;
var colorHeading;
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
function Init() {

    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
function onFrame() {
    if (isStart == false || targetObj == null)
        return;

    displayProximityInfo();

}

//--------------
// SetTargetFromSelectedPress
function SetTargetFromSelectedPress() {
    var node = SGWorld.ProjectTree.GetNextItem("", 10);
    if (node == 0 || SGWorld.ProjectTree.IsGroup(node)) {
        alert(SGLang.i18n("Text38"));
        return;
    }
    SetTarget(node);    
}

//--------------
// SetTargetFromPathName
function SetTargetFromPathName(pathName) {
    var node = SGWorld.ProjectTree.FindItem(pathName);
    if (node == 0 || SGWorld.ProjectTree.IsGroup(node)) {
        alert(SGLang.i18n("Text38"));
        return;
    }
    SetTarget(node);    
}

//--------------
// SetTarget
function SetTarget(node) {

    try {
        var object = SGWorld.ProjectTree.GetObject(node);
        var targetPosition = 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
function CreateTargetPress() {
    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
function CreateTargetRButtonUp(Flags, X, Y) {
    ResetCreateTarget();
}

//--------------
// ResetCreateTarget
function ResetCreateTarget() {
    document.getElementById("CreateTarget").innerText = SGLang.i18n("Text43");

    SGWorld.DetachEvent("OnLButtonUp", CreateTarget);
    SGWorld.DetachEvent("OnInputModeChanged", ResetCreateTarget);
    bInPlaceTarget = false;
    SGWorld.Window.SetInputMode(0);
}

//--------------
// CreateTarget
function CreateTarget(Flags, X, Y) {
    var CursorCoord = SGWorld.Window.pixelToWorld(X, Y);
    if (CursorCoord == null)
        ResetCreateTarget();

    var imageLabelStyle = 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
function DeleteTarget() {
    if (manualTargetLabel != null) {
        SGWorld.Creator.DeleteObject(manualTargetLabel.ID);
        manualTargetLabel = null;
    }
}


//--------------
// SetGroupFromSelectedPress
function SetGroupFromSelectedPress() {
    var node = SGWorld.ProjectTree.GetNextItem("", 10);
    SetTargetGroup(node);
}

//--------------
// SetTrackedGroupFromPathName
function SetTrackedGroupFromPathName(pathName) {
    var node = SGWorld.ProjectTree.FindItem(pathName);
    SetTargetGroup(node);
}


//--------------
// SetGroupFromSelectedPress
function SetTargetGroup(nodeID) {
    var node = 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
        var object = SGWorld.ProjectTree.GetObject(node);
        var trackedPosition = object.Position;
        if (!trackedPosition) {
            alert(SGLang.i18n("Text38"));
            return;
        }

        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); }
}

</script>

</body>
</html>

 

SkylineGlobe 邻近度（Proximity）分析JavaScript源代码

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原文地址：http://www.cnblogs.com/yitianhe/p/5085069.html
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