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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>ST_AsRaster has a ton of overloaded formats unfortunately. I suspect your <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#26282A'>SELECT ST_ASRaster(ST_SetSRID(ST_EXTENT( myQuads), 4326), 0.1, 0.1 ,'8BUI')<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Is falling into the overload<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><code><span style='font-size:10.0pt;font-family:"unset",serif;color:#2E2E2E;background:white'>raster </span></code><code><b><span style='font-size:10.0pt;font-family:"unset",serif;color:#446688;background:white'>ST_AsRaster</span></b></code><code><span style='font-size:10.0pt;font-family:"unset",serif;color:#2E2E2E;background:white'>(</span></code><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>geometry </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>geom</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, integer </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>width</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, integer </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>height</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, text </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>pixeltype</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>value=1</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>nodataval=0</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>upperleftx=NULL</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>upperlefty=NULL</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>skewx=0</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>skewy=0</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, boolean </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>touched=false</span></var><code><span style='font-size:10.0pt;font-family:"unset",serif;color:#2E2E2E;background:white'>)</span></code><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>Instead of </span><code><span style='font-size:10.0pt;font-family:"unset",serif;color:#2E2E2E;background:white'>raster </span></code><code><b><span style='font-size:10.0pt;font-family:"unset",serif;color:#446688;background:white'>ST_AsRaster</span></b></code><code><span style='font-size:10.0pt;font-family:"unset",serif;color:#2E2E2E;background:white'>(</span></code><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>geometry </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>geom</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>scalex</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>scaley</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, text </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>pixeltype</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>value=1</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>nodataval=0</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>upperleftx=NULL</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>upperlefty=NULL</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>skewx=0</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, double precision </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>skewy=0</span></var><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>, boolean </span><var><span style='font-family:"Verdana",sans-serif;color:#990000;background:white'>touched=false</span></var><code><span style='font-size:10.0pt;font-family:"unset",serif;color:#2E2E2E;background:white'>)</span></code><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'>Try explicitly specifying the args<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana",sans-serif;color:#2E2E2E;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#26282A'>SELECT ST_ASRaster(ST_SetSRID(ST_EXTENT( myQuads), 4326), scalex => 0.1, scaley => 0.1 , pixeltype => '8BUI')<o:p></o:p></span></p><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#26282A'>For older versions of PostgreSQL, you might need to replace the => with :=<o:p></o:p></span></p><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#26282A'>Hope that helps,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#26282A'>Regina<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> postgis-users [mailto:postgis-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Lionel Cayla<br><b>Sent:</b> Tuesday, June 2, 2020 9:17 AM<br><b>To:</b> postgis-users@lists.osgeo.org<br><b>Subject:</b> [postgis-users] Problem with union of rasters (postgis 2.4 rds)<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='color:#26282A'>Hi, </span><o:p></o:p></p></div></div><div id="ydp5207b0d7yahoo_quoted_2063948840"><div><div><div id=ydp5207b0d7yiv1020533276><div><div><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>I am having an issue, when rasterizing a union of rasters. Each of the geometries from my initial table are quads or polygons, and the following SQL command <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>(that should work according the documentation right?) gives me a raster 2x2 .<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p></div><div><div><div><p class=MsoNormal><span style='color:#26282A'>CREATE TABLE raster_test AS<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>(WITH<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>rast AS (SELECT ST_ASRaster(ST_SetSRID(ST_EXTENT( myQuads), 4326), 0.1, 0.1 ,'8BUI')<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>FROM myDB, <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>WHERE ST_IsValid(myQuads)),<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'> raster_ AS (SELECT ST_Union(ST_ASRaster(ST_SetSRID(ST_Force2D( myQuads), 4326), rast.ST_ASRaster), 'SUM')<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>FROM myDB, rast<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>WHERE myQuads IS NOT NULL)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'> SELECT raster_.ST_Union as rast_chunks<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'> FROM raster_, rast );<o:p></o:p></span></p></div></div><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>The command produces the desired raster if I replace my resolution (0.1, 0.1) by the raster size if it's equal to 150. Over that (200 say) I get an alignment error message.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>I tried to cast 0.1 to double precision I still get an issue. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>I am wondering if I am doing something wrong here or if there's a known issue. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>Thanks, <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:#26282A'>-Lio<o:p></o:p></span></p></div></div></div></div></div></div></div></div></body></html>