Changes between Version 87 and Version 88 of WKTRaster/SpecificationWorking01
- Timestamp:
- Dec 21, 2009, 1:50:11 PM (14 years ago)
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WKTRaster/SpecificationWorking01
v87 v88 328 328 ST_Intersects(ST_ConvexHull(raster, 'WITHNODATA'), geometry) 329 329 330 330 '''Implementation details''' 331 331 332 332 This function should be implemented as a pl/pgSQL function performing the three test described one after and conditionally to the other. … … 334 334 It might be faster to skip test 2) if this test is not signicantly faster than test 3). 335 335 336 '''ST_Intersection(raster|geometry, raster|geometry, ‘raster’|’geometry’)->raster/geometry''' 336 '''ST_Intersection(raster, geometry) -> geometry''' 337 338 Variant 1: ST_Intersection(geometry, raster) -> geometry 339 340 Variant 2 & 3: 341 342 ST_Intersection(raster, geometry, 'raster') -> raster 343 344 ST_Intersection(geometry, raster, 'raster') -> raster 345 346 Variant 4 & 5: 347 348 ST_Intersection(raster, raster) -> raster 349 350 ST_Intersection(raster, raster, 'geometry') -> geometry 337 351 338 352