SkylineGlobe 如何二次开发实现天际线分析功能

天际线效果：

示例代码：

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <title>ToolTitle</title>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

    <link rel="StyleSheet" href="../Style.css" type="text/css">

    <style>

    </style>

</head>

<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" style="border: 0px" id="Body"  class="hideUntillTranslated" onload="Init()">

    <!--oncontextmenu="return false;">  onclick="bHide=true;HideOptionsNow()" > -->

    <table border="0" width="100%" cellspacing="0" cellpadding="2">

        <tr>

            <td class="ToolTopArea" id="TopAreaTD" width="100%" valign="middle" >

                <table border="0" width="100%" cellspacing="0" cellpadding="0">

                    <tr>

                        <td width="55px"><img style="margin-left:5px;" src="ToolIcon.png" alt="" /></td>

                        <td id="TitleTD" align="center" class="s12w i18n">ToolName</td>

                        <td align="right" id="CloseHelpTd"><img style="margin-right:5px;" alt="" src="../CommonImg/help.png" 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>

            <td  class="ToolTopSeperator"></td>

        </tr>        <tr class="s8">

            <td >

                <table class="PropertiesSheet" cellspacing="0" cellpadding="2" >

        <tr class='TableOtherLine'>

            <td class="s8b">

                <label class="i18n">Text7</label>

            </td>

            <td align="left">

                &nbsp;<select id="OutputTypeID" onchange="TypeChanged();" >

                    <option class="i18n" value=0 selected="selected">Text8</option>

                    <option class="i18n" value=1 >Text9</option>

                    <option class="i18n" value=2 >Text10</option>

                </select>

            </td>

        </tr>

        <tr >

            <td class="s8b">

                <label class="i18n">Text4</label>

            </td>

            <td align="left">

                &nbsp;<select id="AccuracyID" >

                    <option class="i18n" value=0 selected="selected">Text5</option>

                    <option class="i18n" value=1 >Text6</option>

                </select>

            </td>

        </tr>

         <tr class='TableOtherLine'> <!--Radius-->

            <td class="s8b">

                <label class="i18n">Text12</label>

            </td>

            <td align="left">

                <input id="radiusID" type="text" value="1000" onchange="ValidateInput();"   /> <span class="i18n">Text13</span>

            </td>

        </tr>

        <tr>   <!--Viewer Altitude-->

            <td class="s8b">

                <label class="i18n">Text16</label>

            </td>

            <td align="left">

                <input id="ViewerAltitudeID" type="text" value="5" /> <span class="i18n">Text13</span>

            </td>

        </tr>

        <tr class='TableOtherLine'> <!--  Elevation Angle-->

            <td class="s8b">

                <label class="i18n">Text22</label>

            </td>

            <td align="left">

                <input id="ElevationAngleID" type="text" value="0" onchange="ValidateInput();"  /> <span class="i18n">Text34</span>

            </td>

        </tr> 

    </table>

     </td>

        </tr>

        <tr >

            <td colspan="2" align="center" class="ToolButtonsArea">

                <button id="Draw" class="MenuButton" onclick="CreateObjects(1);">               <img src="img/SetPoint.png" /><br />         <span class="i18n">Text20</span></button>

                <button id="groupButton" class="MenuButton" onclick="SelectGroupClipboard(0)"><img src="../commonimg/group.png" /><br /><span class="i18n">Text14</span></button>

                <button id="clipboardButton" class="MenuButton" onclick="SelectGroupClipboard(1)"><img src="../commonimg/Clipboard.png" /><br /><span class="i18n">Text15</span></button>

                <div id="ProfileID" style="display:none;"> <button class="MenuButton MenuButtonLast" onclick="ShowProfile();"><img src="img/profile.png" /><br /><span class="i18n">Text18</span></button> </div>

            </td>

        </tr>

    </table>

    <object id="SGWorld" classid="CLSID:3a4f9199-65a8-11d5-85c1-0001023952c1">    </object>

<script language="javascript" src="../ToolsCommon65.js"></script>

<script language="JavaScript">

var gCircle = null;

var gViewshed = null;

var gLayer;

var gType = 0;

//var gPositionsArray = [];

var gDomePoints=[];

var gLineArray = [];

var gRingArray = [];

var gRingList = [];

//var gElevationRingArray = [];

var gYawArray = [];

var gRingObj = null;

var gColorArray = ["#ff0000", "#00ff00", "#0000FF", "#FF00FF", "#C0FFFF", "#FFFF00", "#FFC119", "#B16CF8", "#D2FF01", "#AD8943"];

var gPopupCaption = "";

var gLineIndex = 0;

var gMainGroup = null;

var gGroup = null;

var gVisibilityDistance;

var gInEdit = 0;

var gOriginalPosition = null;

var yawStep ;

var pitchStep;

var gNumDome = 1;

//--------------

// Init

function Init() {

    if (GetParamValue("inSG", "") == "1") {

        $("#TopAreaTD").attr("height", "57");

        $("#TitleTD").attr("align", "left");

        $("#CloseHelpTd").attr("display", "none");

    }

}

//------------------

// Reset

//------------------

function Reset(FirstTime, FromMouseInputMode) {

    try {

        if (gCircle != null)

            SGWorld.Creator.DeleteObject(gCircle.ID);

        if (gViewshed != null)

            SGWorld.Creator.DeleteObject(gViewshed.ID);

    } catch (e) { }

    gType = 0;

    gCircle = null;

    gViewshed = null;

    gLayer = null;

    gGroup = null;

    gOriginalPosition = null;

    //gPositionsArray = [];

    gLineArray = [];

    gRingArray = [];

//    gElevationRingArray = [];

    gYawArray = [];

    gLineIndex = 0;

    $("#Draw").removeClass("MenuButtonHighlight");

    $("#groupButton").removeClass("MenuButtonHighlight");

    $("#clipboardButton").removeClass("MenuButtonHighlight");

    SGWorld.ProjectTree.EnableRedraw(1);

    SGWorld.Window.HideMessageBarText();

    if (gInEdit>0) {

        SGWorld.DetachEvent("OnLButtonClicked", OnLButtonClicked);

        SGWorld.DetachEvent("OnRButtonUp", OnRButtonUp);

        SGWorld.DetachEvent("OnFrame", OnFrame);

        SGWorld.DetachEvent("OnInputModeChanged", OnInputModeChanged);

    }

    gInEdit = 0;

    if (FirstTime != 1 && FromMouseInputMode == 0)

        SGWorld.Window.SetInputMode(0);

}

//--------------

// CreateObjects

//--------------

function CreateObjects(method) {

    if (gInEdit==0) {

        gInEdit = 1;

        gNumDome = 1;

        gRingArray = [];

        gRingList = [];

        SGWorld.AttachEvent("OnLButtonClicked", OnLButtonClicked);

        SGWorld.AttachEvent("OnRButtonUp", OnRButtonUp);

        SGWorld.AttachEvent("OnFrame", OnFrame);

        SGWorld.AttachEvent("OnInputModeChanged", OnInputModeChanged);

        SGWorld.Window.SetInputMode(1, abspath() + "/cursor_m.cur", true);

        SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text23"));

        $(event.srcElement).addClass("MenuButtonHighlight");

        try {

            var a = SGWorld.ProjectTree.GetItemName(gMainGroup);

        }

        catch (e) { gMainGroup = SGWorld.ProjectTree.CreateGroup(SGLang.i18n("ToolName"), SGWorld.ProjectTree.RootID); }

        var pos = SGWorld.Creator.CreatePosition(0, 0, 0, 0, 0, 0, 0, 0);

        gCircle = SGWorld.Creator.CreateCircle(pos, $("#radiusID").val(), SGWorld.Creator.CreateColor(255, 0, 0, 255), SGWorld.Creator.CreateColor(255, 255, 255, 100), gMainGroup, SGLang.i18n("Text24"));

        gCircle.NumberOfSegments = 50;

        gCircle.LineStyle.Width = -5;

    }

    else {

        Reset (false,false);

    }

}

//-----------

// SelectGroupClipboard

function SelectGroupClipboard(searchType) {

    if (searchType == 0) {

        var node = SGWorld.ProjectTree.GetNextItem("", 10);

        if (node == 0 || !(SGWorld.ProjectTree.IsGroup(node) || SGWorld.ProjectTree.IsLayer(node))) {

            alert(SGLang.i18n("Text32"));

            return;

        }

    }

    $(event.srcElement).addClass("MenuButtonHighlight");

    SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text31"));

    gNumDome = 1;

    gDomePoints = [];

    gRingArray = [];

    gRingList = [];

    if (searchType == 0)

        searchGeometries2(node, AddDomeToList);

    if (searchType == 1)

        searchGeometriesClipboard(AddDomeToList);

    var CreateTheObjects = true;

    if (gDomePoints.length > 10)

        CreateTheObjects = confirm(SGLang.i18n("Text35") + gDomePoints.length + SGLang.i18n("Text36"));

    if (CreateTheObjects)

        for (var i = 0; i < gDomePoints.length; i++)

            CalculateDome (gDomePoints[i].pos, gDomePoints[i].objType, gDomePoints[i].AltitudeType);

    Reset(0, 0);

}

//------------

//  OnLButtonClicked

function OnLButtonClicked(Flags, X, Y) {

    if (gInEdit == 0)

        return;

    var CursorCoord = SGWorld.Window.pixelToWorld(X, Y, 1 + 16 + 64 + 128 + 8192);

    if (CursorCoord == null)

        return false;

    if (gInEdit == 1)  // First click, center point

    {

        var viewerAltitude = 1.0*$("#ViewerAltitudeID").val();

        CursorCoord.Position.Altitude = CursorCoord.Position.Altitude + viewerAltitude;

        gCircle.Position = CursorCoord.Position.Copy();

        if (gCircle != null) {

            CalculateDome(gCircle.Position, 18, 3);  //supported types:  18 = label, 24 = image label

        }

    }

}

//------------

//  OnRButtonUp

function OnRButtonUp(Flags, X, Y) {

    if (gInEdit == 0)

        return;

    Reset(false, false);

}

//------------

//  OnFrame

function OnFrame() {

    if (gInEdit != 1)

        return;

    try {

        var mouseInfo = SGWorld.Window.GetMouseInfo();

        var CursorCoord = SGWorld.Window.pixelToWorld(mouseInfo.X, mouseInfo.Y, 1 + 16 + 64 + 128 + 8192);

        if (CursorCoord == null)

            return false;

        var viewerAltitude = 1.0 * $("#ViewerAltitudeID").val();

        CursorCoord.Position.Altitude = CursorCoord.Position.Altitude + viewerAltitude;

        gCircle.Position = CursorCoord.Position.Copy();

        gCircle.Radius = $("#radiusID").val();

    }

    catch (e)    { }

}

//------------

//  OnInputModeChanged

function OnInputModeChanged(NewMode) {

    if (NewMode != 1)

        if (gInEdit != 0)

            Reset(0, 1);

}

//---------

//AddDomeToList

function AddDomeToList(pos, objType, AltitudeType) {

    gDomePoints.push({ pos: pos, objType: objType, AltitudeType: AltitudeType });

    return true;

}

//---------

//CalculateDome

function CalculateDome(pos, objType, AltitudeType) {

    if (objType != 0 &&  objType != 18 && objType != 24)

        return true;

    try {

        ValidateInput();

        // Houre glass cursor

        SGWorld.Window.SetInputMode(1, abspath() + "/hourglass.cur", true);

        var position = pos.Copy(); // to make sure we do not change the position of an object

        // Make sure the point altitude is not lower than the Viewer Altitude the user provided

        var viewerAltitude = 1.0 * $("#ViewerAltitudeID").val();

        position.ChangeAltitudeType(3);

        var groundHeight = SGWorld.Terrain.GetGroundHeightInfo(position.X, position.Y, 1, true);

        position.Altitude = Math.max(groundHeight.Position.Altitude + viewerAltitude, position.Altitude);

        if (AnalyzePoints(position))

            DrawPoints(position);

        if (gLayer != null) {

            gLayer.Save();

        }

        Reset(false, false);

        gNumDome++;

    }

    catch (e) {alert(e.description);}

    return true;

}

//------------

//  AnalyzePoints

function AnalyzePoints(position) {

    var radius = $("#radiusID").val();

    var ElevationAngle = 1.0 * $("#ElevationAngleID").val();

    var pos = null;

    var pointIndex = 0;

    var lastVisiblePos;

    gType = $("#OutputTypeID").val();

    gVisibilityDistance = radius*20;

    // Create the Viewshed

    SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text31") + " [" + gNumDome + "]", -1);

    gViewshed = SGWorld.Analysis.Create3DViewshed(position, 360, 180, radius*1.01, SGWorld.ProjectTree.HiddenGroupID, SGLang.i18n("Text25"));  // HiddenGroupID

    gViewshed.Quality = 2;

    gViewshed.SaveInFlyFile = false;

    SGWorld.Analysis.StartViewshedVisibilityQuery(gViewshed.ID);

    // calculate ray accuracy

    var raySteps = Math.floor((Math.log(radius) * 5) / Math.LN10) + 4;

    if ($("#AccuracyID").val() == 0) { // Normal

        yawStep = 2;

        pitchStep = 0.1;

    }

    else {  // high

        yawStep = 1;

        pitchStep = 0.05;

    }

    // dome or base

    if (gType == 0 || gType == 1 ) {   // Dome || Base 

        for (var yaw = 0; yaw < 360; yaw += yawStep ) {

            SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text26") + " [" + gNumDome + "] " + Math.floor((yaw * 100) / (360)) + "%", -1);

            pointIndex = 0;

            var numVisiblePoint = 0;

            gLineArray[gLineIndex] = [];

            var bFoundVisible = true;

            pointIndex = AddPoint(gLineIndex, pointIndex, position); // add point at the center

            gYawArray[gLineIndex] = yaw;

            for (var pitch = ElevationAngle; pitch <= 90; pitch += pitchStep) {

                pos = position.Move(radius, yaw, pitch);

                var PointVisible = SGWorld.Analysis.QueryVisibilityDistance(pos); // Returns the radius of the visibility from the viewer to the position point

                if (PointVisible >= radius ) {  // visible

                    if (numVisiblePoint > 1 && numVisiblePoint % 20 != 0)  // reduce number of point on the outer dome

                        pointIndex -= 1;

                    pointIndex = AddPoint(gLineIndex, pointIndex, pos);

                    if (bFoundVisible)

                        AddRing(gLineIndex, pos);

                    bFoundVisible = false;

                    if (gType == 1)

                        break;

                    numVisiblePoint++;

                }

                else {

                    pos = position.Move(PointVisible, yaw, pitch);

                    pointIndex = AddPoint(gLineIndex, pointIndex, pos);

                    numVisiblePoint = 0;

                }

            }

            gLineIndex++;

        }  // yaw

    }  // if dome|base

    else if (gType == 2) {   // Skyline

        for (var yaw = 0; yaw < 360; yaw += yawStep/4 ) {

            SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text26") + " [" + gNumDome + "] " + Math.floor((yaw * 100) / (360)) + "%", -1);

            var bAllVisible = true;

            for (var pitch = 90; pitch >= -45; pitch -= pitchStep ) {

                pos = position.Move(radius, yaw, pitch);

                var PointVisible = SGWorld.Analysis.QueryVisibilityDistance(pos); // Returns the radius of the visibility from the viewer to the position point

                if (PointVisible < radius && PointVisible > -1) {  // not visible

                    bAllVisible = false;

                    pos = position.Move(PointVisible, yaw, pitch);

                    AddRing(gLineIndex, pos);

                    break;

                }

            }  // pitch

            if (bAllVisible) {  // add point to the border line

                AddRing(gLineIndex, pos);

            }

            gLineIndex++;

        }  // yaw

    }

    // close the ring

    var ringFirstPoint = SGWorld.Creator.CreatePosition(gRingArray[0], gRingArray[1], gRingArray[2], 0, 0, 0, 0, 0);

    AddRing(gLineIndex, ringFirstPoint);

    SGWorld.Analysis.EndVisibilityQuery();

    return true;

}

//------------

//  AddPoint

function AddPoint(line, point, position) {

    gLineArray[line][point * 3] = position.X;

    gLineArray[line][point * 3 + 1] = position.Altitude;

    gLineArray[line][point * 3 + 2] = position.Y;

    point++;

    return point;

}

//-------------

// AddRing

function AddRing(point, position) {

        gRingArray[point * 3] = position.X;

        gRingArray[point * 3 + 1] = position.Y;

        gRingArray[point * 3 + 2] = position.Altitude;

    }

//------------

//  DrawPoints

function DrawPoints(position) {

    var radius = $("#radiusID").val();

    try {

        var a = SGWorld.ProjectTree.GetItemName(gMainGroup);

    }

    catch (e) { gMainGroup = SGWorld.ProjectTree.CreateGroup(SGLang.i18n("ToolName"), SGWorld.ProjectTree.RootID); }

    try {

        var layerName = $("#OutputTypeID option:selected").text()+" ["+gNumDome+"]";

        gGroup = SGWorld.ProjectTree.CreateGroup(layerName, gMainGroup);

        // Viewer label

        var labelStyle = SGWorld.Creator.CreateLabelStyle(0);

        var CenterLabel = SGWorld.Creator.CreateImageLabel(position, abspath() + "./img/image11.gif", labelStyle, gGroup, SGLang.i18n("Text11"));

        CenterLabel.Action.Code = 11;

        CenterLabel.Style.Scale = radius/100;

        CenterLabel.Style.IconColor.FromHTMLColor (gColorArray[(gNumDome-1) % 10]);

        // Dome

        if (gType == 0 || gType == 1    ) {  // dome || Base || elevation rings

            for (var i = 0; i < gLineIndex; i++) {

                DrawObject(gLineArray[i], radius, gYawArray[i], gType);

            }

        }

/******

        // Elevation Rings

        if (gType == 3) {  // dome or Base

            for (var alt = -10; alt < 100; alt++)

                gElevationRingArray[alt] = [];

            for (var i = 0; i < gLineIndex; i++) {

                for (var j = 0; j < gLineArray[i].length / 3 - 1; j++) {

                    var pointA = gLineArray[i][j * 3 + 1];

                    var pointB = gLineArray[i][(j + 1) * 3 + 1];

                    if (Math.floor(pointA / 100) != Math.floor(pointB / 100)) {

                        var positionA = SGWorld.Creator.CreatePosition(gLineArray[i][j * 3 ], gLineArray[i][j * 3 + 2], gLineArray[i][j * 3 + 1], 3, 0, 0, 0, 0);

                        var positionB = SGWorld.Creator.CreatePosition(gLineArray[i][(j + 1) * 3 ], gLineArray[i][(j + 1) * 3 + 2], gLineArray[i][(j + 1) * 3 + 1], 3, 0, 0, 0, 0);

                        var l = positionA.DistanceTo(positionB);

                        var l1 = (l * (Math.floor(pointB / 100) * 100 - pointA)) / (pointB - pointA);

                        var positionC = positionA.MoveToward(positionB, l1);

                        gElevationRingArray[Math.floor(pointB / 100)].push(positionC.X, positionC.Altitude, positionC.Y);

                    }

                }

            }

            for (var alt = -10; alt < 100; alt++) {

                if (gElevationRingArray[alt].length > 3)   // at least two points

                    DrawObject(gElevationRingArray[alt], radius, alt);

            }

        }

******/

        // Outer ring

        gRingObj = SGWorld.Creator.CreatePolylineFromArray(gRingArray, gColorArray[(gNumDome - 1) % 10], 3, gGroup, SGLang.i18n("Text21"));

        gRingObj.LineStyle.Width = -3;

        gRingObj.Visibility.MaxVisibilityDistance = radius * 50;

        gRingList.push(gRingObj);

        $("#ProfileID").show();

        $("#ProfileID").css('display','inline');

    }

    catch (e) { alert(e.message); Reset(false, false); }

    return true;

}

//---------

// DrawObject

function DrawObject(LineArray, range, Yaw, gType) {

    var node;

    var TEObj;

    var scale = range * 50;

    var ObjType; //   = "ImageLabel";

    if (gType == 0)

        ObjType =  "Polygon";

    else

        ObjType = "Polyline";

    SGWorld.Window.ShowMessageBarText(SGLang.i18n("Text27")+" ["+gNumDome+"]");

    if (gLayer == null)

    {

        CreateGroupOrLayer(ObjType);

        // style the feature group

        if (featureLayerStyles[ObjType] != null)

        {

            var result = featureLayerStyles[ObjType](scale);

            if (result === false)

                return false;

        }

    }

    if (ObjType == "Polygon")

        gLayer.FeatureGroups.Polygon.CreateFeature(LineArray, range + ";" + Yaw);

    if (ObjType == "Polyline")

        gLayer.FeatureGroups.Polyline.CreateFeature(LineArray, range + ";" + Yaw);

    return true;

}

//----------

//    CreateGroupOrLayer

function CreateGroupOrLayer(ObjType) {

    var radius = $("#radiusID").val();

    if (gLayer == null) {

        var postfix = new Date().getTime();

        var layerName = $("#OutputTypeID option:selected").text() + postfix;

        if (ObjType == "Polygon")

            gLayer = SGWorld.Creator.CreateNewFeatureLayer(layerName, LayerGeometryType.LGT_POLYGON, "FileName=ThreatDome" + postfix + ".shp;TEPlugName=OGR;", gGroup);

        if (ObjType == "Polyline")

            gLayer = SGWorld.Creator.CreateNewFeatureLayer(layerName, LayerGeometryType.LGT_POLYLINE, "FileName=ThreatDome" + postfix + ".shp;TEPlugName=OGR;", gGroup);

        //  gLayer = SGWorld.Creator.CreateNewFeatureLayer(layerName, LayerGeometryType.LGT_POINT, "FileName=ThreatDome" + postfix + ".shp;TEPlugName=OGR;", gGroup);

            gLayer.Streaming = true;

            gLayer.BlockWidth = radius /4;

            gLayer.Refresh();

            ///gLayer.DataSourceInfo.Attributes.CreateAttribute(SGLang.i18n("Text29"), 1, 20, 0);

            gLayer.DataSourceInfo.Attributes.CreateAttribute(SGLang.i18n("Text30"), 1, 20, 0);

            gLayer.DataSourceInfo.Attributes.CreateAttribute(SGLang.i18n("Text33"), 2, 20, 1);

            gLayer.DataSourceInfo.Attributes.ImportAll = true;

            gLayer.Visibility.MaxVisibilityDistance = gVisibilityDistance;

        }  

}

var featureLayerStyles = {

    "Polygon": function (size) {

        gLayer.FeatureGroups.Polygon.SetProperty("Line Color", "#ffffff");

        gLayer.FeatureGroups.Polygon.SetProperty("Line Opacity", 0.5);

        gLayer.FeatureGroups.Polygon.SetProperty("Fill Opacity", 0);

        gLayer.FeatureGroups.Polygon.SetProperty("Altitude Method", 11);

        gLayer.Visibility.MaxVisibilityDistance = size;

    },

    "Polyline": function (size) {

        gLayer.FeatureGroups.Polyline.SetProperty("Line Color", "#ffffff");

        gLayer.FeatureGroups.Polyline.SetProperty("Line Opacity", 0.5);

        gLayer.FeatureGroups.Polyline.SetProperty("Altitude Method", 11);

        gLayer.Visibility.MaxVisibilityDistance = size;

    }

}

//---------------

// TypeChanged

function TypeChanged() {

    gType = $("#OutputTypeID").val();

    if (gType == 2) // Skyline

        $("#ElevationAngleID").attr('disabled','disabled');

    else

        $("#ElevationAngleID").attr('disabled', '');

    }

//---------------

// ValidateInput

function ValidateInput() {

    var radius = $("#radiusID").val();

    radius = Math.max(radius, 0.1);

    $("#radiusID").val(radius);

    var ElevationAngle = $("#ElevationAngleID").val();

    ElevationAngle = Math.max(Math.min(ElevationAngle, 80), -90);

    $("#ElevationAngleID").val(ElevationAngle);

    return;

}

//--------------

// ShoeProfile

function ShowProfile() {

    var objList = "";

   if (gRingList.length == 0)

        return;

   try {

        for (var i =0 ; i<gRingList.length ; i++)

            objList += "&ObjID"+i+"=" + gRingList[i].ID ;

    }

    catch (e) { alert(SGLang.i18n("Text37")) ; return; }

    // Remove previos popup

    SGWorld.Window.RemovePopupByCaption(gPopupCaption);

    var a = new Date();

    gPopupCaption = SGLang.i18n("Text19") + Date().toString();

    var url = abspath() + "/../TerrainProfile/TerrainProfilePopup.html?Type=3" + objList + "&Density=1&Compare=0&Caption=" + gPopupCaption;

    var popupMsg = SGWorld.Creator.CreatePopupMessage(gPopupCaption, url, 1, -1000, 100, 100, -1);

    popupMsg.Flags = 2 + 32;

    SGWorld.Window.ShowPopup(popupMsg);

}

//--------------

// CheckNumberEx

function CheckNumberEx(field, defVal, MinNum, MaxNum) {

    try {

        field.value = validateNumber(field.value);

        if (field.value < MinNum)

            field.value = MinNum;

        if (field.value > MaxNum)

            field.value = MaxNum;

    }

    catch (e) { field.value = defVal }

}

</script>

</body>

</html>

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