Name

ST_ScaleY — Returns the Y component of the pixel height in units of coordinate reference system.

Synopsis

float8 ST_ScaleY(raster rast);

Descrizione

Returns the Y component of the pixel height in units of coordinate reference system. May be negative. Refer to World File for more details.

Changed: 2.0.0. In WKTRaster versions this was called ST_PixelSizeY.

Esempi

SELECT rid, ST_ScaleY(rast) As rastpixheight
FROM dummy_rast;

 rid | rastpixheight
-----+---------------
   1 |             3
   2 |         -0.05
                

Si veda anche

ST_Height