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For Variant 5, an array of <xref linkend="geomval"/> is used to determine the specific pixels to be set. If all the geometries in the array are of type POINT or MULTIPOINT, the function uses a shortcut where the longitude and latitude of each point is used to set a pixel directly. Otherwise, the geometries are converted to rasters and then iterated through in one pass. See example Variant 5.
Examples: Variant 3
Examples: Variant 5
The following shows that geomvals later in the array can overwrite prior geomvals
This example is the opposite of the prior example
, <xref linkend="RT_ST_SetValue"/>, <xref linkend="RT_ST_PixelAsPolygons"/>
Get the values of the specified band as a 2-dimension array.
Get the values of the specified band as a 2-dimension array (first index is row, second is column). If <varname>nband</varname> is NULL or not provided, all raster bands are processed.
, <xref linkend="RT_ST_SetValue"/>, <xref linkend="RT_ST_SetValues"/>
Get the columnx, rowy coordinates of the pixel whose value equals the search value.
Get the columnx, rowy coordinates of the pixel whose value equals the search value. If no band is specified, then band 1 is assumed.
Raster Editors
Set Georeference 6 georeference parameters in a single call. Numbers should be separated by white space. Accepts inputs in GDAL or ESRI format. Default is GDAL.
Set Georeference 6 georeference parameters in a single call. Accepts inputs in 'GDAL' or 'ESRI' format. Default is GDAL. If 6 coordinates are not provided will return null.
If the raster has out-db bands, changing the georeference may result in incorrect access of the band's externally stored data.
Enhanced: 2.1.0 Addition of ST_SetGeoReference(raster, double precision, ...) variant
, <xref linkend="RT_ST_ScaleX"/>, <xref linkend="RT_ST_ScaleY"/>, <xref linkend="RT_ST_UpperLeftX"/>, <xref linkend="RT_ST_UpperLeftY"/>
Set the rotation of the raster in radian.
Uniformly rotate the raster. Rotation is in radian. Refer to <link xlink:href="http://en.wikipedia.org/wiki/World_file">World File</link> for more details.
Sets the X and Y size of pixels in units of coordinate reference system. Number units/pixel width/height.
Sets the X and Y size of pixels in units of coordinate reference system. Number units/pixel width/height. If only one unit passed in, assumed X and Y are the same number.
ST_SetScale is different from <xref linkend="RT_ST_Rescale"/> in that ST_SetScale do not resample the raster to match the raster extent. It only changes the metadata (or georeference) of the raster to correct an originally mis-specified scaling. ST_Rescale results in a raster having different width and height computed to fit the geographic extent of the input raster. ST_SetScale do not modify the width, nor the height of the raster.
Changed: 2.0.0 In WKTRaster versions this was called ST_SetPixelSize. This was changed in 2.0.0.
, <xref linkend="RT_ST_ScaleY"/>, <xref linkend="RT_Box3D"/>
Sets the georeference X and Y skew (or rotation parameter). If only one is passed in, sets X and Y to the same value.
Sets the georeference X and Y skew (or rotation parameter). If only one is passed in, sets X and Y to the same value. Refer to <link xlink:href="http://en.wikipedia.org/wiki/World_file">World File</link> for more details.
, <xref linkend="RT_ST_SetGeoReference"/>, <xref linkend="RT_ST_SkewX"/>, <xref linkend="RT_ST_SkewY"/>
Sets the SRID of a raster to a particular integer srid defined in the spatial_ref_sys table.
Sets the SRID on a raster to a particular integer value.
This function does not transform the raster in any way - it simply sets meta data defining the spatial ref of the coordinate reference system that it's currently in. Useful for transformations later.
, <xref linkend="RT_ST_SRID"/>

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  1. postgis
  2. PostGIS Manual
  3. English
Enhanced: 2.1.0 Addition of ST_SetGeoReference(raster, double precision, ...) variant
Enhanced: 2.1.0 Addition of ST_SetGeoReference(raster, double precision, ...) variant
2 years ago
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Source string description
Tag: para
Flags
no-c-format, read-only
String age
2 years ago
Last updated
2 years ago
Source string age
2 years ago
Translation file
doc/po/templates/postgis-manual.pot, string 3811