99 lines
3.4 KiB
JavaScript
99 lines
3.4 KiB
JavaScript
/* Loop through the test points and create a Proj object for each
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*/
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var src, dest;
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function runTests() {
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//src = new Proj4js.Proj(Proj4js.defs["WKT0"],cb2);
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/*
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src = new Proj4js.Proj("EPSG:900913",cb1);
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var testPt = new Proj4js.Point([1113194.9079327357, 6800125.454397307]);
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var testRes = Proj4js.transform(src, dest, testPt);
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alert(testRes.toString());
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*/
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/*
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//testing the conversion bewteen CSs which use the towgs84 params (ticket #64)
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//TODO convert this to asserts
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src = new Proj4js.Proj("EPSG:21781");
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dest = new Proj4js.Proj("EPSG:900913");
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var testPt = new Proj4js.Point([699212,227132]);
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var testRes = Proj4js.transform(src, dest, testPt);
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alert(testRes.toString());
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//result should be 973791.60867,5972764.60117
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*/
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for (var i=0; i < Proj4js.testPoints.length; ++i) {
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var test = Proj4js.testPoints[i];
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var proj = new Proj4js.Proj(test.code, Proj4js.bind(showResults, this, test));
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}
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}
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function cb1() {
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dest = new Proj4js.Proj("EPSG:2303X",cb2);
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}
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function cb2(arg1) {
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//alert('all set');
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}
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/* a callback function to run the test for this test point since we are using
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the dynamic load capabilities in the test page
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*/
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function showResults(test, proj) {
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//var test = proj.testPoint;
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var xyEPSLN = 1.0e-2;
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var llEPSLN = 1.0e-6;
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var row = document.createElement('tr');
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var td = document.createElement('td');
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td.innerHTML = test.code;
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row.appendChild(td);
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var td = document.createElement('td');
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td.innerHTML = proj.projName;
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row.appendChild(td);
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//transform from lon/lat to projected x/y and cmopare
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var xyResult = Proj4js.transform(Proj4js.WGS84, proj, new Proj4js.Point(test.ll));
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if (xyResult) {
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var deltaX = Math.abs(xyResult.x - test.xy[0]);
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var deltaY = Math.abs(xyResult.y - test.xy[1]);
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td = document.createElement('td');
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td.innerHTML = "in:"+test.ll[0]+","+test.ll[1];
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row.appendChild(td);
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td = document.createElement('td');
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td.innerHTML = "out:"+xyResult.x+","+xyResult.y;
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row.appendChild(td);
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td = document.createElement('td');
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td.innerHTML = "dx:"+deltaX+ " dy:"+deltaY;
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if ( deltaX>xyEPSLN || deltaY>xyEPSLN ) td.style.backgroundColor='red';
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row.appendChild(td);
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} else {
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td = document.createElement('td');
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td.innerHTML = "proj undefined";
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row.appendChild(td);
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}
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//transform from map x/y to lon/lat and compare
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var llResult = Proj4js.transform(proj, Proj4js.WGS84, new Proj4js.Point(test.xy));
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if (llResult) {
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var deltaX = Math.abs(llResult.x - test.ll[0]);
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var deltaY = Math.abs(llResult.y - test.ll[1]);
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td = document.createElement('td');
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td.innerHTML = "in:"+test.xy[0]+","+test.xy[1];
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row.appendChild(td);
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td = document.createElement('td');
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td.innerHTML = "out:"+llResult.x+","+llResult.y;
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row.appendChild(td);
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td = document.createElement('td');
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td.innerHTML = "dx:"+deltaX+ " dy:"+deltaY;
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if ( deltaX>llEPSLN || deltaY>llEPSLN ) td.style.backgroundColor='red';
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row.appendChild(td);
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} else {
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td = document.createElement('td');
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td.innerHTML = "proj undefined";
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row.appendChild(td);
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}
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var testTable = document.getElementById('testResult');
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testTable.tBodies[0].appendChild(row);
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};
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