Name
raster — raster spatial data type.
Descripción
raster is a spatial data type used to represent raster data such as those imported from JPEGs, TIFFs, PNGs, digital elevation models. Each raster has 1 or more bands each having a set of pixel values. Rasters can be georeferenced.
![[Note]](../images/note.png)
|
|
|
Requires PostGIS be compiled with GDAL support. Currently rasters can be implicitly converted to geometry type, but the conversion returns the ST_ConvexHull of the raster. This auto casting may be removed in the near future so don't rely on it. |
Comportamiento de la conversión de tipos de dato
Esta sección lista las conversiones tanto automáticas como explícitas para este tipo de datos.
| Convertir a | Comportamiento |
| geometría | automática |