// aimsIdentify.js
/*
* JavaScript template file for ArcIMS HTML Viewer
* dependent on aimsXML.js, ArcIMSparam.js, aimsCommon.js, aimsMap.js, and aimsLayers.js
* To be interactive, dependent also on aimsDHTML.js, aimsClick.js, and aimsNavigation.js
*/
aimsIdentifyPresent=true;
// hyperlink variables
var currentHyperLinkLayer="";
var currentHyperLinkField="";
var currentHyperLinkPrefix="";
var currentHyperLinkSuffix="";
var hyperlinkWindowWidth=500;
var hyperlinkWindowHeight=400;
// variable for search tolerance... dynamically set in app
var searchTolerance=1/100;
// starting record position for returned records
var queryStartRecord=1;
if (imsQueryURL=="") {
imsQueryURL= imsURL + "&CustomService=Query";
//alert(imsQueryURL);
}
var canQuery=true;
var newSelectCount=0;
var selectPoints = new Array();
//TW 07/10/01
var BufferedPoints = new Array();
// can features be selected if invisible or not within layer scale threshholds?
var canSelectInvisible=false;
/*
***************************************************************************************
Identify functions
***************************************************************************************
*/
// identify feature
function identify(e) {
if (checkIfActiveLayerAvailable()) {
//TW Change the PixelTolerence for identifying Parcels to reduce the chance of accidentally identifying more than 1
if (LayerName[ActiveLayerIndex] == "Parcels"){
pixelTolerance = 1;
}else{
pixelTolerance = 8;
}
showSelectedData = true;
highlightedOne="";
var theX = mouseX;
var theY = mouseY;
getMapXY(theX,theY);
searchTolerance = (xDistance/iWidth) * pixelTolerance;
var tempWest = mapX - searchTolerance;
var tempNorth = mapY + searchTolerance;
var tempEast = mapX + searchTolerance;
var tempSouth = mapY - searchTolerance;
var theString = writeGetFeatures(tempWest,tempSouth,tempEast,tempNorth);
//if (useTextFrame) parent.TextFrame.document.location = "text.htm";
//alert(theString);
showRetrieveData();
sendToServer(imsQueryURL,theString,identifyXMLMode);
}
}
// hyperlink from feature in active layer
function hyperLink(e) {
if (checkIfActiveLayerAvailable()) {
if (currentHyperLinkLayer!="") {
highlightedOne="";
var theX = mouseX;
var theY = mouseY;
getMapXY(theX,theY);
searchTolerance = (xDistance/iWidth) * pixelTolerance;
var tempWest = mapX - searchTolerance;
var tempNorth = mapY + searchTolerance;
var tempEast = mapX + searchTolerance;
var tempSouth = mapY - searchTolerance;
var tempSwap = swapSelectFields;
swapSelectFields=false;
var tempSelect = selectFields;
selectFields = LayerIDField[ActiveLayerIndex] + " " + LayerShapeField[ActiveLayerIndex] + " " + currentHyperLinkField;
var theString = writeGetFeatures(tempWest,tempSouth,tempEast,tempNorth);
selectFields = tempSelect;
swapSelectFields=tempSwap;
showRetrieveData();
//if (useTextFrame) parent.TextFrame.document.location = "text.htm";
sendToServer(imsQueryURL,theString,hyperlinkXMLMode);
} else {
alert(msgList[47]);
}
}
}
// write out XML request to identify features
function writeGetFeatures(west1,south1,east1,north1) {
if (swapSelectFields) {
selectFields=selFieldList[ActiveLayerIndex];
}
var useString = writeIdentifyXML(ActiveLayer,ActiveLayerType,selectFields,west1,south1,east1,north1,maxFeaturesReturned,useLimitExtent);
hightlightedOne="";
return useString;
}
function writeIdentifyXML(theLayer,theLayerType,theFields,leftX,bottomY,rightX,topY,maxReturned,hasLimit) {
var theString = '\n\n\n';
theString += '';
theString += '';
theString += '';
theString += '';
theString += '';
theString += '';
if (hasLimit) {
// keep this within the limitExtent
theString += '\n';
theString += '\n';
theString += '\n';
}
theString += '';
theString += '';
theString += '';
return theString;
}
// TW create a new function to zoom to the extents of a (street) query
function ZoomtoQueryResults(theReply){
//alert(theReply);
setLayerFields(ActiveLayerIndex);
var theError = getXMLErrorMessage(theReply);
var fList="";
var lpos1 = 1;
var lpos2 = 1;
var epos = 1;
var spos = 1;
var morePoints=true;
var moreFeatures=true;
var featureCount = justGetFeatureCount(theReply);
//alert(featureCount);
var pos = 0;
var startpos = 0;
var endpos = xmlEndPos;
var stillMore = false
pos = theReply.indexOf('hasmore="true"',endpos);
if (pos!=-1) stillMore = true;
pos=0;
var tempCount = 0;
var selectedData="";
var inData="";
var xStr="";
var yStr="";
var eNorth="";
var eSouth="";
var eWest="";
var eEast="";
var fCount = featureCount;
selectCount = 0;
var Win1 = parent.TextFrame;
var theFrame = "parent.MapFrame";
//if (StIndex 0){
// if(StLayers.length ==0) {
// StLayers[0]=LayerName.length - ActiveLayerIndex-1;
// }else{
// StLayers[StLayers.length] = LayerName.length - ActiveLayerIndex-1;
// }
if (TotalFeaCount==0){
TotalFeaCount = featureCount;
}else{
TotalFeaCount += featureCount;
}
endpos = 1;
for (var i=0; i theXYs[0]) MinLeft = theXYs[0];
if (MinBottom > theXYs[1]) MinBottom = theXYs[1];
if (MaxRight < theXYs[2]) MaxRight = theXYs[2];
if (MaxTop < theXYs[3]) MaxTop = theXYs[3];
endpos = xmlEndPos;
inData = parseRecordString(theReply, endpos);
endpos = xmlEndPos;
selectedData = clearLeadingSpace(inData);
epos = theReply.indexOf("
No Features found for:');
Win1.document.writeln('
' + LayerName[ActiveLayerIndex] +'');
Win1.document.writeln('Options:');
Win1.document.writeln('');
Win1.document.writeln('- Try your selection again.');
Win1.document.writeln('
- Zoom in to make your selection easier.');
Win1.document.writeln('
- If ' + LayerName[ActiveLayerIndex] + ' is not the layer you are trying to identify ');
Win1.document.writeln('change the Active Layer to the desired layer.');
Win1.document.writeln('
');
Win1.document.writeln('