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Last change
on this file since 7783 was 7778, checked in by ddboer, 15 years ago |
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overlay.js has an drawCircle function.
nodeMap:
-Circle drawn on mouseover with a node
-Circle removed on mouseout
-Latitude and Longtitude from node is not being read or drawn correctly
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File size:
694 bytes
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| Rev | Line | |
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| [7778] | 1 | function drawCircle(lat, lng, radius, strokeColor, strokeWidth, strokeOpacity, fillColor, fillOpacity) {
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| 2 |
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| 3 | var d2r = Math.PI/180;
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| 4 | var r2d = 180/Math.PI;
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| 5 | var Clat = radius * 0.0089437672; // Convert statute kilometers into degrees latitude
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| 6 | var Clng = Clat/Math.cos(lat*d2r);
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| 7 | var Cpoints = [];
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| 8 | for (var i=0; i < 33; i++) {
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| 9 | var theta = Math.PI * (i/16);
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| 10 | Cy = lat + (Clat * Math.sin(theta));
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| 11 | Cx = lng + (Clng * Math.cos(theta));
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| 12 | var P = new GLatLng(Cy, Cx);
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| 13 | Cpoints.push(P);
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| 14 | }
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| [7703] | 15 |
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| [7778] | 16 | polygon = new GPolygon(Cpoints, strokeColor, strokeWidth, strokeOpacity, fillColor, fillOpacity);
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| 17 | map.addOverlay(polygon);
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| 18 | }
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