File: rt_envelope.sql

package info (click to toggle)
postgis 2.5.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 75,792 kB
  • sloc: ansic: 139,314; sql: 136,281; xml: 48,954; sh: 4,906; perl: 4,509; makefile: 2,897; python: 1,198; yacc: 441; cpp: 305; lex: 132
file content (14 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
-- NULL raster
SELECT ST_AsText(ST_Envelope(NULL::raster));

-- width and height of zero
SELECT ST_AsText(ST_Envelope(ST_MakeEmptyRaster(0, 0, 0, 0, 1, -1, 0, 0, 0)));

-- width of zero
SELECT ST_AsText(ST_Envelope(ST_MakeEmptyRaster(0, 9, 0, 0, 1, -1, 0, 0, 0)));

-- height of zero
SELECT ST_AsText(ST_Envelope(ST_MakeEmptyRaster(9, 0, 0, 0, 1, -1, 0, 0, 0)));

-- normal raster
SELECT ST_AsText(ST_Envelope(ST_MakeEmptyRaster(9, 9, 0, 0, 1, -1, 0, 0, 0)));