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svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / resources / org / gvsig / expressionevaluator / functions / en / ST_Intersection.json @ 44110

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{
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    "name": "ST_Intersection",
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    "group": "OGC",
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    "template": "ST_Intersection({{geometryA}}, geometryB)",
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    "args": [
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        "geometryA - Geometry from which you have to calculate the intersection",
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        "geometryB - Geometry againt you have to calculate the intersection"
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    ],
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    "description": ["Returns a geometry that represents the point set intersection of the Geometries.",
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      "In other words - that portion of geometry A and geometry B that is shared between the two geometries.",
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      "If the geometries do not share any space (are disjoint), then an empty geometry collection is returned.",
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      "ST_Intersection in conjunction with ST_Intersects is very useful for clipping geometries such as in",
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      "bounding box, buffer, region queries where you only want to return that portion of a geometry",
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      " that sits in a country or region of interest."],
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    "returnType": "Geometry",
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    "sqlCompatible": true
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}