Create() does need all the info. Just pass NULL for the last argument <em>papszParmList.</em><br><br><div class="gmail_quote">On Wed, Apr 7, 2010 at 8:39 AM, weixj2003ld <span dir="ltr"><<a href="mailto:weixj2003ld@163.com">weixj2003ld@163.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div>Thk u for your reply.</div>
<div>I read the tuorail.but I think that will not satisfy my need.</div>
<div>I want to create a .png file,and it only contains height data and not contains metadata, a coordinate system, a georeferencing transform, size of raster and various other information,I find that the Create() and CreateCopy(). is will create a file that contains all the things.</div>
<div>Kind regards.</div><div><div></div><div class="h5">
<div> </div>
<div> </div>
<blockquote style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;">Please refer to <a href="http://www.gdal.org/gdal_tutorial.html" target="_blank">http://www.gdal.org/gdal_tutorial.html</a><br>
<br>
<div class="gmail_quote">2010/4/6 weixj2003ld <span dir="ltr"><<a href="mailto:weixj2003ld@163.com" target="_blank">weixj2003ld@163.com</a>></span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>I read data from a DEM file, and want to create a .png .Now I have read data, but I do not know how to create a png file that contains the height map value of each point from the DEM file.</div>
<div>Thk u.</div><br><br><span title="neteasefooter"></span><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></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>