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Updated Shapefile Plugin (markdown)

ThomasG77 2011-12-20 13:41:42 -08:00
parent 9b588dd349
commit 90f51aa64c
1 changed files with 6 additions and 7 deletions
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13
ShapeFile.md

@ -4,8 +4,6 @@
<!-- Author: springmeyer --> <!-- Author: springmeyer -->
# Shapefile Plugin # Shapefile Plugin
This plugin supports reading shapefiles. They can also be read using the [[OGR]] Plugin, but the *shape* plugin is better tested and more mature. This plugin supports reading shapefiles. They can also be read using the [[OGR]] Plugin, but the *shape* plugin is better tested and more mature.
The shapefile plugin will run fastest if you build indexes for your shapefiles using the 'shapeindex' command line tool installed when you build Mapnik. The shapefile plugin will run fastest if you build indexes for your shapefiles using the 'shapeindex' command line tool installed when you build Mapnik.
@ -16,10 +14,11 @@ For other plugins see: PluginArchitecture
To check if the raster plugin built and was installed correctly you can do: To check if the raster plugin built and was installed correctly you can do:
```python
>>> from mapnik import DatasourceCache as c >>> from mapnik import DatasourceCache as c
>>> 'shape' in c.plugin_names() >>> 'shape' in c.plugin_names()
True True
```
# Parameters # Parameters
@ -41,8 +40,7 @@ Plugin datasource initialization example code can be found on PluginArchitecture
A Shapefile datasource may be created as follows: A Shapefile datasource may be created as follows:
```cpp
#!C
{ {
parameters p; parameters p;
p["type"]="shape"; p["type"]="shape";
@ -54,11 +52,11 @@ A Shapefile datasource may be created as follows:
lyr.add_style("vector"); lyr.add_style("vector");
m.addLayer(lyr); m.addLayer(lyr);
} }
```
== XML == == XML ==
```xml
#!xml
<Layer name="vector" srs="+init=epsg:4236"> <Layer name="vector" srs="+init=epsg:4236">
<StyleName>polygon</StyleName> <StyleName>polygon</StyleName>
<Datasource> <Datasource>
@ -67,5 +65,6 @@ A Shapefile datasource may be created as follows:
<Parameter name="file">/path/to/your/shapefile.shp</Parameter> <Parameter name="file">/path/to/your/shapefile.shp</Parameter>
</Datasource> </Datasource>
</Layer> </Layer>
```
## Further References ## Further References