<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.apple-converted-space
{mso-style-name:apple-converted-space;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black;background:white'>Good Morning,<span class=apple-converted-space> </span></span><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'><br><span style='background:white'>I would like to perform the equivalent of the below ArcGIS raster calculator equation in PostGIS using the ST_MapAlgebra function and return it as a tif using ST_AsTIFF.<span class=apple-converted-space> </span></span><br><br><span style='background:white'>Con(("Sol_gain_clipped.tif" >= 1491) & ("can_cov_01.tif" <= 70) & ("imp_sur_10_French_Creek.tif" <= 10),1,0)<span class=apple-converted-space> </span></span><br><br><span style='background:white'>The equation uses three single band rasters with pixel value specifications for each one, and returns a single band raster with values of 1 for pixels meeting all three requirements, and 0 for pixels that do not. Any help in how to write the SQL, including PL/pgSQL, would be greatly appreciated.<span class=apple-converted-space> </span></span><br><br><span style='background:white'>Best, Jason</span></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>Jason A. Coombs<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>Department of Environmental Conservation/US Forest Service<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>201 Holdsworth Hall<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>University of Massachusetts<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>Amherst, MA 01003<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#244061'><a href="https://bcrc.bio.umass.edu/pedigreesoftware/"><span style='color:blue;text-decoration:none'>https://bcrc.bio.umass.edu/pedigreesoftware/</span></a><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>Phone: 413-545-1845<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>Fax: 413-545-1860<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#365F91'>Email:</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <b><span style='color:#244061'><a href="mailto:jcoombs@cns.umass.edu"><span style='color:blue'>jcoombs@cns.umass.edu</span></a></span></b><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>