svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.geometry / org.gvsig.expressionevaluator.geometry.lib / org.gvsig.expressionevaluator.geometry.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / spatial / STZFunction.java @ 44644
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| 1 | 43512 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.spatial; |
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| 2 | |||
| 3 | import org.apache.commons.lang3.Range; |
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| 4 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 5 | 44644 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractGeometryFunction; |
| 6 | 43518 | jjdelcerro | import org.gvsig.fmap.geom.Geometry; |
| 7 | 43512 | jjdelcerro | |
| 8 | 44644 | jjdelcerro | public class STZFunction extends AbstractGeometryFunction { |
| 9 | 43512 | jjdelcerro | |
| 10 | 43518 | jjdelcerro | public STZFunction() {
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| 11 | super("OGC", "ST_Z", Range.is(1)); |
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| 12 | 43512 | jjdelcerro | } |
| 13 | |||
| 14 | @Override
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| 15 | 44009 | jjdelcerro | public boolean allowConstantFolding() { |
| 16 | return true; |
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| 17 | } |
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| 18 | |||
| 19 | @Override
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| 20 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
| 21 | 43518 | jjdelcerro | double r = getPoint(args, 0).getCoordinateAt(Geometry.DIMENSIONS.Z); |
| 22 | 43512 | jjdelcerro | return r;
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| 23 | } |
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| 24 | |||
| 25 | } |