Revision 2305
| org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.util/org.gvsig.tools.util.impl/src/main/java/org/gvsig/euclidean/EuclideanLine2DImpl.java | ||
|---|---|---|
| 144 | 144 |
public double getDistance(EuclideanLine2D line) {
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| 145 | 145 |
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| 146 | 146 |
if (isParallel(line)) { //Parallel lines
|
| 147 |
Double num = Math.abs(line.getC() - coefC); |
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| 147 | 148 |
if (Double.isInfinite(m)) { //Vertical lines
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| 148 |
return line.getC() - coefC;
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|
| 149 |
return num;
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| 149 | 150 |
} |
| 150 | 151 |
Double den = Math.sqrt(Math.pow(coefA, 2) + Math.pow(coefB, 2)); |
| 151 |
return Math.abs(line.getC() - coefC) / den;
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| 152 |
return num / den;
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| 152 | 153 |
} |
| 153 | 154 |
return 0d; |
| 154 | 155 |
} |
| ... | ... | |
| 192 | 193 |
|
| 193 | 194 |
@Override |
| 194 | 195 |
public EuclideanLine2D getPerpendicular(double pointX, double pointY) {
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| 196 |
if(Math.abs(m)==0.0){
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| 197 |
return new EuclideanLine2DImpl(1, 0, -pointX); |
|
| 198 |
} |
|
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if(Double.isInfinite(m)){
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return new EuclideanLine2DImpl(0, 1, -pointY); |
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} |
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| 195 | 202 |
// perpendicular slope (m) |
| 196 | 203 |
Double m1 = -1 / m; |
| 197 | 204 |
|
| ... | ... | |
| 214 | 221 |
if (Double.isInfinite(m)) {
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| 215 | 222 |
y = pointY; |
| 216 | 223 |
x = (-coefB * y - coefC) / coefA; |
| 217 |
} else if (m == 0) {
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|
| 224 |
} else if (Math.abs(m) == 0) {
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| 218 | 225 |
x = pointX; |
| 219 | 226 |
y = b; |
| 220 | 227 |
} else {
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