Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 5170:c1b60f8c3390
Made river mapfile generator more tolerant.
* Ignores missing river axes.
* Ignores invalid river axes.
* Ignores invalid geometries.
| author | Raimund Renkert <rrenkert@intevation.de> |
|---|---|
| date | Mon, 04 Mar 2013 17:11:31 +0100 |
| parents | 1b41dc00b1f7 |
| children | 14d19313268a |
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| 5169:db1a000a21a9 | 5170:c1b60f8c3390 |
|---|---|
| 48 | 48 |
| 49 private GeometryUtils() { | 49 private GeometryUtils() { |
| 50 } | 50 } |
| 51 | 51 |
| 52 public static Envelope getRiverBoundary(String rivername) { | 52 public static Envelope getRiverBoundary(String rivername) { |
| 53 List<RiverAxis> axes = RiverAxis.getRiverAxis(rivername); | 53 try { |
| 54 if (axes != null && axes.size() > 0) { | 54 List<RiverAxis> axes = RiverAxis.getRiverAxis(rivername); |
| 55 Envelope max = null; | 55 if (axes != null && axes.size() > 0) { |
| 56 | 56 Envelope max = null; |
| 57 for (RiverAxis axis: axes) { | 57 |
| 58 // TODO Take the correct EPSG into account. Maybe, we need to | 58 for (RiverAxis axis: axes) { |
| 59 // reproject the geometry. | 59 // TODO Take the correct EPSG into account. Maybe, we need to |
| 60 Envelope env = axis.getGeom().getEnvelopeInternal(); | 60 // reproject the geometry. |
| 61 | 61 Envelope env = axis.getGeom().getEnvelopeInternal(); |
| 62 if (max == null) { | 62 |
| 63 max = env; | 63 if (max == null) { |
| 64 max = env; | |
| 65 } | |
| 66 else { | |
| 67 max.expandToInclude(env); | |
| 68 } | |
| 64 } | 69 } |
| 65 else { | 70 |
| 66 max.expandToInclude(env); | 71 return max; |
| 67 } | 72 } |
| 68 } | 73 } |
| 69 | 74 catch(RuntimeException e) { |
| 70 return max; | 75 return null; |
| 71 } | 76 } |
| 72 | 77 |
| 73 return null; | 78 return null; |
| 74 } | 79 } |
| 75 | 80 |