<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Okay, this is exciting stuff!! :-) I think I needed to set the scalar data type to short. <div><br></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">vtkImageReader2 reader</span></font></div><div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader SetFileName "/Users/elvis/Repository/Data/NASASRTM/version2/SRTM3/Eurasia/N25E070.hgt"</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader SetHeaderSize 0</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader SetDataByteOrderToBigEndian</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader FileLowerLeftOn</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader SetDataScalarTypeToShort</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader SetFileDimensionality 2</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> reader SetDataExtent 0 1200 0 1200 -32767 32767</span></font></div><div><br></div><div>This resulted in the entire image being read in and generating the following raster image:</div><div><br></div><div><img height="240" width="240" apple-width="yes" apple-height="yes" src="cid:5C7C8EAE-A291-494E-A896-0DDDC502CF19@du.ae"></div><div><br></div><div>It doesn't appear to any recognizable type of terrain relief, but I think it's probably be cause it's positioned at the wrong area? Maybe if I try to get the exact lat long or St. Helens or Mt. Everest, I could check to see if the relief looks like some sort of mountain.</div><div><br></div><div>Wooo, this is exciting stuff. If it hadn't been for Mike and Mathieu, I wouldn't have even made it this far!! :-) Thanks Guys!! :-) </div><div><br></div><div>Best regards,</div><div><br></div><div>Elvis Dowson</div><div><br></div><div><br><div><div>On Oct 13, 2008, at 5:54 PM, Elvis Dowson wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Same error and image when I set the data extent to <div><br></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">reader SetDataExtent 0 1200 0 1200 -32767 32767 </span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div><div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">elvis-dowsons-macbook-pro:~ elvis$ wish</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">% Generic Warning: In /Users/elvis/Tool/vtk-5.x/src/VTK/IO/vtkImageReader2.cxx, line 775</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">File operation failed. row = 600, Read = 4804, FilePos = -1</span></font></div><div><br></div><div>Best regards,</div><div><br></div><div>Elvis Dowson</div></div><div><br><div><div>On Oct 13, 2008, at 5:51 PM, Elvis Dowson wrote:</div></div></div></div></blockquote></div><br></div></div></body></html>