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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am trying to implement a WCS server and
am running into difficulty with GetCoverage and the following request.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>REQUEST=GetCoverage&COVERAGE=awifs&CRS=EPSG:4269&BBOX=-116,51,-114,53&RESX=100&RESY=100&FORMAT=GTiff&RESPONSE_CRS=EPSG:4269<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The following ServiceException is raised.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><span class=tx1><b><font size=2
color=navy face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy;font-weight:normal'>msImageCreateGD(): Image handling error. Cannot
create GD image of size 0x0</span></font></b></span><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I can do a WCS GetCapabilities and
DescribeCoverage without error. Also, when I issue the following WMS
request it works fine.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>REQUEST=GetMap&LAYERS=awifs&SRS=EPSG:4269&BBOX=-116,51,-114,53&WIDTH=800&HEIGHT=600&FORMAT=image/png&STYLES=<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The GetCoverage and GetMap requests have
the same parameters and yet WCS thinks the image size is 0x0. The
MapServer configuration for the layer file is given below<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>LAYER<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> NAME "awifs"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> PROCESSING "BANDS=2,1,3"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> PROCESSING "SCALE_2=19,159"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> PROCESSING "SCALE_1=10,130"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> PROCESSING "SCALE_3=9,124"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> METADATA<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "wcs_label" "awifs"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "wcs_rangeset_name" "RGB"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "wcs_rangeset_label" "rgb"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "wms_title" "awifs"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "wms_opaque" "1"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "ows_resolution" "56 56"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "wms_srs" "EPSG:43001"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> END<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> STATUS off <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> TYPE raster<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> DATA "e:/awifs/July.tif"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> PROJECTION<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> "init=epsg:43001"<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> END<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> TEMPLATE "empty.html”<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'> DUMP TRUE<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>END<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks for the help.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
style='font-size:10.0pt;color:navy'>===========================<br>
David V. Hildebrand<br>
Agriculture Financial Services Corporation<br>
(403) 782-8239 </span></font><font color=navy><span
style='color:navy'> </span></font><o:p></o:p></p>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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