<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Great idea!<br><br>I have implemented it partically, just fetching some fields we needed, and resuing feature object, directly reading geometry(WKB foramt) object from shapefile file, and resuing geometry object.<br><br>maybe, we can read a block from shapefile one time, and parse it to some geoemtry objects, and this memory block should be resuing.<br><br>these method will speed up reading geometry objects and attribute from DBF and shapefile.<br><br>--- <b>10年7月24日，周六, gdal-dev-request@lists.osgeo.org <i><gdal-dev-request@lists.osgeo.org></i></b> 写道：<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>发件人: gdal-dev-request@lists.osgeo.org <gdal-dev-request@lists.osgeo.org><br>主题: gdal-dev Digest, Vol 74, Issue 64<br>收件人: gdal-dev@lists.osgeo.org<br>日期:
2010年7月24日,周六,上午12:00<br><br><div class="plainMail">Send gdal-dev mailing list submissions to<br> <a ymailto="mailto:gdal-dev@lists.osgeo.org" href="/mc/compose?to=gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><br><br>To subscribe or unsubscribe via the World Wide Web, visit<br> <a href="http://lists.osgeo.org/mailman/listinfo/gdal-dev" target="_blank">http://lists.osgeo.org/mailman/listinfo/gdal-dev</a><br>or, via email, send a message with subject or body 'help' to<br> <a ymailto="mailto:gdal-dev-request@lists.osgeo.org" href="/mc/compose?to=gdal-dev-request@lists.osgeo.org">gdal-dev-request@lists.osgeo.org</a><br><br>You can reach the person managing the list at<br> <a ymailto="mailto:gdal-dev-owner@lists.osgeo.org" href="/mc/compose?to=gdal-dev-owner@lists.osgeo.org">gdal-dev-owner@lists.osgeo.org</a><br><br>When replying, please edit your Subject line so
it is more specific<br>than "Re: Contents of gdal-dev digest..."<br></div><div class="plainMail">Today's Topics:<br><br> 1. Re: Optimizing access to shapefiles (Martin Dobias)<br> 2. Re: Optimizing access to shapefiles (Yevgen Antymyrov)<br> 3. Append a shapefile to a postgis table using the GDAL/OGR<br> CSharp interface (Esben Taudorf)<br> 4. Re: Yll corner wrong when i am reading ASCII file using<br> (Frank Warmerdam)<br> 5. Re: crop a raster file (.bsp/.kap) to create an image file<br> (.png) (Frank Warmerdam)<br></div><div class="plainMail">_______________________________________________<br>gdal-dev mailing list<br><a ymailto="mailto:gdal-dev@lists.osgeo.org" href="/mc/compose?to=gdal-dev@lists.osgeo.org">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></div></blockquote></td></tr></table><br>