<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:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 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;}
p.MsoPlainText, li.MsoPlainText, div.MsoPlainText
{mso-style-priority:99;
mso-style-link:"Plain Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:10.5pt;
font-family:Consolas;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.PlainTextChar
{mso-style-name:"Plain Text Char";
mso-style-priority:99;
mso-style-link:"Plain Text";
font-family:Consolas;}
.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="MsoPlainText">Hello gdal,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I have a set of geotiffs that have a strange max (infinity?) values that I would like to set to nodata. These originally were netcdf files. With the current of gdal in OSGEO4W, gdalinfo reports:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">gdalinfo -mm pola_cascadiad_sift2_maxspeed.tif<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Driver: GTiff/GeoTIFF<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Files: pola_cascadiad_sift2_maxspeed.tif<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Size is 1810, 1100<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Coordinate System is:<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">GEOGCS["WGS 84",<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> DATUM["WGS_1984",<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> SPHEROID["WGS 84",6378137,298.257223563,<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> AUTHORITY["EPSG","7030"]],<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> AUTHORITY["EPSG","6326"]],<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> PRIMEM["Greenwich",0],<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> UNIT["degree",0.0174532925199433],<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> AUTHORITY["EPSG","4326"]]<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Origin = (-118.302500000118700,33.779999999966194)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Pixel Size = (0.000092592592580,-0.000092592592587)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Metadata:<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> AREA_OR_POINT=Area<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Image Structure Metadata:<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> INTERLEAVE=BAND<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Corner Coordinates:<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Upper Left (-118.3025000, 33.7800000) (118d18' 9.00"W, 33d46'48.00"N)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Lower Left (-118.3025000, 33.6781481) (118d18' 9.00"W, 33d40'41.33"N)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Upper Right (-118.1349074, 33.7800000) (118d 8' 5.67"W, 33d46'48.00"N)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Lower Right (-118.1349074, 33.6781481) (118d 8' 5.67"W, 33d40'41.33"N)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Center (-118.2187037, 33.7290741) (118d13' 7.33"W, 33d43'44.67"N)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Band 1 Block=1810x1 Type=Float64, ColorInterp=Gray<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> Computed Min/Max=0.000,1.#IO<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I’ve been converting the geotiff to AAIGrids and replace all "1.#INF" to my nodata value, but I’m hoping that there is an easier way to do this with GDAL.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thanks in advance,<o:p></o:p></p>
<p class="MsoPlainText">Bob<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Tahoma","sans-serif"">Robert Moskovitz<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Tahoma","sans-serif"">California Geological Survey<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Tahoma","sans-serif"">Seismic Hazards Zonation Program<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Tahoma","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Tahoma","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:gray">CONFIDENTIALITY NOTICE: This communication is intended only for the use of the individual or entity to which it is addressed. This message
contains information from the State of California, California Geological Survey, which may be privileged, confidential and exempt from disclosure under applicable law, including the Electronic Communications Privacy Act. If the reader of this communication
is not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited.</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
</div>
</body>
</html>