Revision 29969 trunk/libraries/libJCRS/src/org/gvsig/crs/Crs.java
| Crs.java | ||
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*/ |
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public double getScale(double minX, double maxX, double width, double dpi) {
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double scale = 0D; |
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if (!isProjected()) { // Es geogr?fico; calcula la escala.
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scale = ((maxX - minX) * // grados |
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// 1852.0 metros x minuto de meridiano |
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(dpi / 2.54 * 100.0 * 1852.0 * 60.0)) / // px / metro |
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width; // pixels |
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} |
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else{
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//Esto ahora se hace fuera |
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// if (!isProjected()) { // Es geogr?fico; calcula la escala.
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// scale = ((maxX - minX) * // grados |
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// |
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// // 1852.0 metros x minuto de meridiano |
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// (dpi / 2.54 * 100.0 * 1852.0 * 60.0)) / // px / metro |
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// width; // pixels |
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// } |
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// else{
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scale = ((maxX - minX) * // metros |
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(dpi / 2.54 * 100.0)) / // px / metro |
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width; // pixels |
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} |
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// }
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return scale; |
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} |
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double h =0; |
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double wExtent =0; |
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double hExtent =0; |
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if (isProjected()) {
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// if (isProjected()) {
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w = ((wImage / dpi) * 2.54); |
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h = ((hImage / dpi) * 2.54); |
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wExtent =w * scale*distanceUnits/ mapUnits;
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hExtent =h * scale*distanceUnits/ mapUnits;
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wExtent =w * scale / mapUnits;
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hExtent =h * scale / mapUnits;
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}else {
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w = ((wImage / dpi) * 2.54); |
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h = ((hImage / dpi) * 2.54); |
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wExtent =(w*scale*distanceUnits)/ (mapUnits*1852.0*60.0); |
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hExtent =(h*scale*distanceUnits)/ (mapUnits*1852.0*60.0); |
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} |
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//En las no proyectadas, ahora viene el calculo hecho |
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//al haber incluido los grados en el array DISTANCETRANS2METER del MapContext |
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// }else {
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// w = ((wImage / dpi) * 2.54); |
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// h = ((hImage / dpi) * 2.54); |
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// wExtent =(w*scale*distanceUnits)/ (mapUnits*1852.0*60.0); |
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// hExtent =(h*scale*distanceUnits)/ (mapUnits*1852.0*60.0); |
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// } |
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double xExtent = extent.getCenterX() - wExtent/2; |
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double yExtent = extent.getCenterY() - hExtent/2; |
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Rectangle2D rec=new Rectangle2D.Double(xExtent,yExtent,wExtent,hExtent); |
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