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<html>
<head>
<title>JSXGraph example</title>
<link rel="stylesheet" type="text/css" href="../distrib/jsxgraph.css" />
<script type="text/javascript" src="../distrib/jsxgraphcore.js"></script>
<script type="text/javascript" src="germany.js"></script>
</head>
<body>
<h2>Curve Test</h2>
<div style="width:800px">
<div id="jxgbox" class="jxgbox" style="width:500px; height:500px; float:left"></div>
</div>
<div id="debug" style="display:block;"></div>
<script type="text/javascript">
/* <![CDATA[ */
var wahlkreise = [];
var points = [];
var bundesland = [];
for(i=0;i<data.length;i++) {
if(i%6==1) {
wahlkreise.push(data[i]);
}
else if(i%6 == 3) {
bundesland.push(data[i]);
}
else if(i%6 == 5) {
points.push(data[i]);
}
}
var wahlkreiseBY = [];
var pointsBY = [];
for(i=0;i<points.length;i++) {
if(bundesland[i]=='Bayern') {
wahlkreiseBY.push(wahlkreise[i]);
pointsBY.push(points[i]);
}
}
var minXArr =[];
var minYArr = [];
var maxXArr = [];
var maxYArr = [];
var xArr = [];
var yArr = [];
var anz = pointsBY.length;
for(j=0;j<anz;j++) {
var xy = pointsBY[j].split(',');
var x = [];
var y = [];
for(var i=0;i<xy.length;i++) {
var a = xy[i].split(' ');
x.push(1*(1*a[0]).toFixed(1));
y.push(1*(1*a[1]).toFixed(1));
}
var minX = 10000000000000000;
var maxX = -100000000000000;
var minY = 200000000000000000;
var maxY = -10000000000000;
for(var i=0;i<x.length;i++) {
if(x[i] < minX) {
minX = x[i];
}
if(x[i] > maxX) {
maxX = x[i];
}
if(y[i] < minY) {
minY = y[i];
}
if(y[i] > maxY) {
maxY = y[i];
}
}
minXArr.push(minX);
minYArr.push(minY);
maxXArr.push(maxX);
maxYArr.push(maxY);
xArr.push(x);
yArr.push(y);
}
var minX = 10000000000000000;
var maxX = -100000000000000;
var minY = 200000000000000000;
var maxY = -10000000000000;
for(i=0;i<xArr.length;i++) {
if(minXArr[i] < minX) {
minX = minXArr[i];
}
if(maxXArr[i] > maxX) {
maxX = maxXArr[i];
}
if(minYArr[i] < minY) {
minY = minYArr[i];
}
if(maxYArr[i] > maxY) {
maxY = maxYArr[i];
}
}
var brd = JXG.JSXGraph.initBoard('jxgbox', {
boundingbox:[minX-5000,maxY+5000,maxX+5000,minY-5000]});
brd.suspendUpdate();
for(i=0;i<xArr.length;i++) {
var graph;
if(i%3==0) {
graph = brd.createElement('curve', [xArr[i],yArr[i]], {strokeColor:'black',fillColor:'#32CD32',highlightFillColor:'#90EE90',name:wahlkreiseBY[i]});
}
else if(i%3==1) {
graph = brd.createElement('curve', [xArr[i],yArr[i]], {strokeColor:'black',fillColor:'#FFA500',highlightFillColor:'#EEEE00',name:wahlkreiseBY[i]});
}
else {
graph = brd.createElement('curve', [xArr[i],yArr[i]], {strokeColor:'black',fillColor:'#CD0000',highlightFillColor:'#FF6347',name:wahlkreiseBY[i]});
}
graph.hasPoint = function(x,y){ // see: http://local.wasp.uwa.edu.au/~pbourke/geometry/insidepoly/
var k, j, c = false , xx, yy;
checkPoint = new JXG.Coords(JXG.COORDS_BY_SCREEN, [x,y], this.board);
xx = checkPoint.usrCoords[1];
yy = checkPoint.usrCoords[2];
for (k = 0, j = this.dataX.length-1; k < this.dataX.length; j = k++) {
if ((((this.dataY[k] <= yy) && (yy < this.dataY[j])) ||
((this.dataY[j] <= yy) && (yy < this.dataY[k]))) &&
(xx < (this.dataX[j] - this.dataX[k]) * (yy - this.dataY[k]) / (this.dataY[j] - this.dataY[k]) + this.dataX[k])) {
c = !c;
}
}
//document.getElementById('debug').innerHTML += (this.name+':'+c+';');
return c;
}
}
brd.unsuspendUpdate();
/* ]]> */
</script>
</body>
</html>
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