var ogr = require('ogr'); var driver = ogr.getDriverByName('ESRI Shapefile'); var layer = driver.open('../test/support/valid_shapefile.shp').getLayer(0); console.log(layer.getNextFeature().getGeometry().exportToJSON());
- node >= 0.6.0
- GDAL 1.9.x
First install GDAL http://trac.osgeo.org/gdal/wiki/DownloadSource
As of right now you can only install it locally since it's not on npm yet.
git clone git://github.com/zhm/node-ogr.git cd node-ogr make configure make
Then you can run the tests (the tests require CoffeeScript to be installed,
npm install -g coffee-script)
There are examples in
/examples that show some basic usage. One connects to PostGIS and outputs centroids to a csv.
The best documentation for right now is the unit tests in
/test and the OGR API reference.
When running locally, you might need to specify
$NODE_PATH so node knows where to find the binding. See the
run script in
/examples directory for more information. The other option is to explicitly pass the path of
Don't use this in server code. All of the methods are synchronous for now until I determine which methods should make use of the node threadpool. The API will change when async methods are added because they will become the default.