Revision 218 org.gvsig.geoprocess/trunk/org.gvsig.geoprocess/org.gvsig.geoprocess.algorithm/org.gvsig.geoprocess.algorithm.buffer/src/main/java/org/gvsig/geoprocess/algorithm/buffer/FieldDistance.java
| FieldDistance.java | ||
|---|---|---|
| 20 | 20 |
*/ |
| 21 | 21 |
package org.gvsig.geoprocess.algorithm.buffer; |
| 22 | 22 |
|
| 23 |
|
|
| 24 | 23 |
import org.cresques.cts.IProjection; |
| 25 | 24 |
|
| 26 | 25 |
import org.gvsig.fmap.dal.feature.Feature; |
| 27 |
import org.gvsig.geoprocess.GeoProcessLocator; |
|
| 28 | 26 |
|
| 29 | 27 |
/** |
| 30 | 28 |
* Computes a constant size of each geometry built |
| 29 |
* |
|
| 31 | 30 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a> |
| 32 | 31 |
*/ |
| 33 |
public class FieldDistance implements IDistance {
|
|
| 34 |
private Feature feature = null; |
|
| 35 |
private int attributePosition = 0; |
|
| 36 |
|
|
| 37 |
public FieldDistance(int attributePosition) {
|
|
| 38 |
this.attributePosition = attributePosition; |
|
| 39 |
} |
|
| 40 |
|
|
| 41 |
public void setFeature(Feature feature) {
|
|
| 42 |
this.feature = feature; |
|
| 43 |
} |
|
| 44 |
|
|
| 45 |
/* |
|
| 46 |
* (non-Javadoc) |
|
| 47 |
* @see org.gvsig.geoprocess.algorithm.buffer.IDistance#getBufferDistance(double, org.cresques.cts.IProjection, int, int) |
|
| 48 |
*/ |
|
| 49 |
public double getBufferDistance(double distance, IProjection projection, |
|
| 50 |
int distanceUnits, int mapUnits) {
|
|
| 51 |
double attr = 0D; |
|
| 52 |
Object obj = feature.get(attributePosition); |
|
| 53 |
if(obj instanceof Double) |
|
| 54 |
attr = ((Double)obj).doubleValue(); |
|
| 55 |
else if(obj instanceof Integer) |
|
| 56 |
attr = ((Integer)obj).doubleValue(); |
|
| 57 |
else if(obj instanceof Float) |
|
| 58 |
attr = ((Float)obj).doubleValue(); |
|
| 59 |
else return 0; |
|
| 60 |
|
|
| 61 |
return GeoProcessLocator.getGeoProcessManager().getInInternalUnits( |
|
| 62 |
attr, projection, distanceUnits, mapUnits); |
|
| 63 |
} |
|
| 32 |
public class FieldDistance extends AbstractDistance {
|
|
| 64 | 33 |
|
| 65 |
} |
|
| 34 |
private Feature feature = null; |
|
| 35 |
private int attributePosition = 0; |
|
| 36 |
|
|
| 37 |
public FieldDistance(int attributePosition) {
|
|
| 38 |
this.attributePosition = attributePosition; |
|
| 39 |
} |
|
| 40 |
|
|
| 41 |
public void setFeature(Feature feature) {
|
|
| 42 |
this.feature = feature; |
|
| 43 |
} |
|
| 44 |
|
|
| 45 |
/* |
|
| 46 |
* (non-Javadoc) |
|
| 47 |
* |
|
| 48 |
* @see |
|
| 49 |
* org.gvsig.geoprocess.algorithm.buffer.IDistance#getBufferDistance(double, |
|
| 50 |
* org.cresques.cts.IProjection, int, int) |
|
| 51 |
*/ |
|
| 52 |
public double getBufferDistance(double distance, IProjection projection, |
|
| 53 |
int distanceUnits, int mapUnits) {
|
|
| 54 |
double attr = 0D; |
|
| 55 |
Object obj = feature.get(attributePosition); |
|
| 56 |
if (obj instanceof Double) |
|
| 57 |
attr = ((Double) obj).doubleValue(); |
|
| 58 |
else |
|
| 59 |
if (obj instanceof Integer) |
|
| 60 |
attr = ((Integer) obj).doubleValue(); |
|
| 61 |
else |
|
| 62 |
if (obj instanceof Float) |
|
| 63 |
attr = ((Float) obj).doubleValue(); |
|
| 64 |
else |
|
| 65 |
return 0; |
|
| 66 |
|
|
| 67 |
return getInInternalUnits(attr, projection, distanceUnits, mapUnits); |
|
| 68 |
} |
|
| 69 |
|
|
| 70 |
} |
|
Also available in: Unified diff