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Updated BoundsClipping (markdown)

ThomasG77 2011-12-23 11:36:55 -08:00
parent db8c549557
commit 55db58bd49
1 changed files with 11 additions and 10 deletions
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21
BoundsClipping.md

@ -11,16 +11,17 @@ Clipping is used primarily to ensure `valid` and appropriate coordinate bounds a
Clipping can interact in subtle and important ways with a variety of other map and layer level parameters, and became more error prone (but powerful) with the introduction of support for Proj4 in r330. Clipping can interact in subtle and important ways with a variety of other map and layer level parameters, and became more error prone (but powerful) with the introduction of support for Proj4 in r330.
### Tickets related to bounding box clipping over time include: ### Tickets related to bounding box clipping over time include:
https://github.com/mapnik/mapnik/issues/
* #127 - BBox clipping fails when there's no intersection * [#127](https://github.com/mapnik/mapnik/issues/127) BBox clipping fails when there's no intersection
* #204 - map.buffer_size() does not seem to fetch data within buffer zone * [#204](https://github.com/mapnik/mapnik/issues/204) map.buffer_size() does not seem to fetch data within buffer zone
* #308 - Mapnik bug when features with invalid coordinates for target projection are encountered * [#308](https://github.com/mapnik/mapnik/issues/308) Mapnik bug when features with invalid coordinates for target projection are encountered
* #402 - Some points from PointDatasource get lost on reprojection * [#402](https://github.com/mapnik/mapnik/issues/402) Some points from PointDatasource get lost on reprojection
* #486 - Bounds clipping likely to fail if using map_buffer after r1348 * [#486](https://github.com/mapnik/mapnik/issues/486) Bounds clipping likely to fail if using map_buffer after r1348
* #506 - Add a Map level custom extent or max_extent to enhance clipping ability * [#506](https://github.com/mapnik/mapnik/issues/506) Add a Map level custom extent or max_extent to enhance clipping ability
* #548 - Layer query bbox not correct on Lambert Map * [#548](https://github.com/mapnik/mapnik/issues/548) Layer query bbox not correct on Lambert Map
* #549 - Problem with local projections and worldwide data extent * [#549](https://github.com/mapnik/mapnik/issues/549) Problem with local projections and worldwide data extent
* #751 - Better handling of bounding box transform (avoids need for 'maximum-extent'). * [#751](https://github.com/mapnik/mapnik/issues/751) Better handling of bounding box transform (avoids need for 'maximum-extent').
### Key Changesets include: ### Key Changesets include:
@ -42,4 +43,4 @@ Clipping can interact in subtle and important ways with a variety of other map a
Discussion of fixing clipping after addition of map_buffer to avoid truncated text at tile edges: Discussion of fixing clipping after addition of map_buffer to avoid truncated text at tile edges:
* http://mapnik.dbsgeo.com/mapnik_logs/2009/02/01/ - prediction of #486 * http://mapnik.dbsgeo.com/mapnik_logs/2009/02/01/ - prediction of [#486](https://github.com/mapnik/mapnik/issues/486)