= ZOO spatial tools demo = {{{ #!html
Pan Refresh Buffer Centroid Convex hull Boundary Simplify Union Intersection SymDifference Difference
}}} == ZOO spatial tools demo userguide == * Select a state polygon by clicking on it (it will appear in blue color after a few seconds) * Launch a single geometry process by clicking on the corresponding button (the result will be display in orange color) * Select another state polygon by clicking on it (it will appear in blue color after a few seconds) * Launch a multiple geometry process by clicking on the corresponding button (the result will be display in blue color) == Description == The ZOO spatial tools demo is based on the Spatial Tools ZOO Service. This Service is available in C and Python language * C version: http://zoo-project.org/trac/browser/trunk/zoo-services/ogr/base-vect-ops * Python version: http://zoo-project.org/trac/browser/trunk/zoo-services/ogr/base-vect-ops-py == Data Sources == * OpenLayers MetaCarta WMS * TOPP United States WMS / WFS