<DIV>The file contains the satellite photo height data one area,in my case,it contains the areas of two case.<BR></DIV>
<DIV></DIV><BR>在2010-06-02 17:33:10，"Chaitanya kumar CH" <chaitanya.ch@gmail.com> 写道：<BR>
<BLOCKQUOTE id="isReplyContent" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Which file is that?<BR><BR>
<DIV class="gmail_quote">2010/6/2 甘肃。思远 <SPAN dir="ltr"><<A href="mailto:weixj2003ld@163.com">weixj2003ld@163.com</A>></SPAN><BR>
<BLOCKQUOTE class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">
<DIV>Thk u for your answer.</DIV>
<DIV>Maybe I have not descript my question clearly.<BR>I can not get the file(which is dem file?) of the the satellite photo height in the following areas:</DIV>
<DIV class="im">
<DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">1. Latitude : 44.750373989-----44.879927098 </SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt"> Longitude: 86.797943335------86.932148806</SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt"></SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">2.</SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">Latitude 41d38'34''N ------41d50'12''N</SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">Longitude 81d29'35''E------81d37'38''E</SPAN></FONT></P></DIV></DIV>
<DIV></DIV></DIV>
<P>some one tell me some web address,but I do not know how to download it(my English is not good),could you download it for me and send it to me by e-mail.</P>
<P>thk u.<BR></P>
<DIV>
<DIV></DIV>
<DIV class="h5">
<BLOCKQUOTE style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">weixj2003ld,<BR><BR>First you have to locate the corner pixels corresponding to the lat/longs you indicated. Go through (<A href="http://www.gdal.org/ogr/osr_tutorial.html" target="_blank">http://www.gdal.org/ogr/osr_tutorial.html</A>) to do that. Use "WGS84" system for lat/longs.<BR><BR>Use GDALRasterIO() (<A href="http://www.gdal.org/gdal_tutorial.html" target="_blank">http://www.gdal.org/gdal_tutorial.html</A>) to retrieve the pixels from the required area.<BR><BR>
<DIV class="gmail_quote">2010/6/2 甘肃。思远 <SPAN dir="ltr"><<A href="mailto:weixj2003ld@163.com" target="_blank">weixj2003ld@163.com</A>></SPAN><BR>
<BLOCKQUOTE class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">
<DIV>I want to get(download) the satellite photo height data(maybe .img or dem,I think) of the two following areas,who help me?</DIV>
<DIV> </DIV>
<DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">1. Latitude : 44.750373989-----44.879927098 </SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt"> Longitude: 86.797943335------86.932148806</SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt"></SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">2.</SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">Latitude 41d38'34''N ------41d50'12''N</SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="宋体" size="3"><SPAN lang="EN-US" style="FONT-SIZE: 12pt">Longitude 81d29'35''E------81d37'38''E</SPAN></FONT></P></DIV></DIV>
<DIV>Thank u in advances. </DIV><BR><BR><SPAN title="neteasefooter"></SPAN>
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<A href="http://ym.163.com/?from=od3" target="_blank">网易为中小企业免费提供企业邮箱（自主域名）</A> <BR>_______________________________________________<BR>gdal-dev mailing list<BR><A href="mailto:gdal-dev@lists.osgeo.org" target="_blank">gdal-dev@lists.osgeo.org</A><BR><A href="http://lists.osgeo.org/mailman/listinfo/gdal-dev" target="_blank">http://lists.osgeo.org/mailman/listinfo/gdal-dev</A><BR></BLOCKQUOTE></DIV><BR><BR clear="all"><BR>-- <BR>Best regards,<BR>Chaitanya kumar CH.<BR>/tʃaɪθənjə/ /kʊmɑr/ <BR>+91-9848167848<BR>17.2416N 80.1426E<BR></BLOCKQUOTE><BR><BR><SPAN title="neteasefooter"></SPAN></DIV></DIV>
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