<div dir="ltr">Dheeraj,<div><br></div><div>I don't think the <span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:12.727272033691406px;white-space:pre-wrap">OSGeo.OGR.Layer.Intersection supports progress notification. You might probably have encountered a bug which should be fixed. Do you have a sample code to reproduce this issue? I would specifically interested in the actual geometries have been passed to the function.</span></div>
<div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:12.727272033691406px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:12.727272033691406px;white-space:pre-wrap">Best regards,</span></div>
<div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:12.727272033691406px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:12.727272033691406px;white-space:pre-wrap">Tamas</span></div>
<div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:12.727272033691406px;white-space:pre-wrap"><br></span></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/10/10 Dheeraj Reddy Mamidi <span dir="ltr"><<a href="mailto:drmamidi@rothwellgroup.com" target="_blank">drmamidi@rothwellgroup.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><font face="verdana, sans-serif">Hi list,</font><div><font face="verdana, sans-serif"><br clear="all"></font><div>
<font face="verdana, sans-serif">I have troubles with C# bindings of OGR. <span style="white-space:pre-wrap">I was trying to perform intersection on two feature classes (shape file formats) </span><span style="white-space:pre-wrap">using OSGeo.OGR.Layer.Intersection(), but have problems making it work. </span><span style="line-height:1.3em;font-size:0.93em;white-space:pre-wrap">I keep getting an error saying </span></font><span style="line-height:1.3em;font-size:0.93em;white-space:pre-wrap;font-family:verdana,sans-serif">"AccessViolationException was unhandled. Attempted to read or write protected memory. This is often an indication that other memory is corrupt.</span></div>
<div><span style="line-height:1.3em;font-size:0.93em;white-space:pre-wrap;font-family:verdana,sans-serif"><br></span></div><div><font face="verdana, sans-serif"><span style="white-space:pre-wrap">Is the above error something to do with </span><span style="white-space:pre-wrap">SWIGTYPE_p_GDALProgressFunc callback </span><span style="white-space:pre-wrap">and OSGeo.OGR.SWIGTYPE_p_void callback_data arguments? </span></font><span style="white-space:pre-wrap;font-family:verdana,sans-serif">I tried passing those parameters null as suggested by some in the forums but</span><span style="white-space:pre-wrap;font-family:verdana,sans-serif"> I keep getting the error "Attempt to </span><span style="white-space:pre-wrap;font-family:verdana,sans-serif">dereference null GDALProgressFunc". I am not sure what that means. </span></div>
<div><span style="white-space:pre-wrap;font-family:verdana,sans-serif"><br></span></div><div><span style="white-space:pre-wrap;font-family:verdana,sans-serif">And when I instantiate callback as new </span><font color="#000000" face="verdana, sans-serif"><span style="white-space:pre-wrap">SWIGTYPE_p_GDALProgressFunc() and new callback_data as new SWIGTYPE_p_void(), I don't get error </span></font><span style="white-space:pre-wrap;font-family:verdana,sans-serif">Attempt to </span><span style="white-space:pre-wrap;font-family:verdana,sans-serif">dereference null GDALProgressFunc, but still have error saying </span><span style="line-height:15.703125px;font-size:12px;white-space:pre-wrap;font-family:verdana,sans-serif">AccessViolationException was unhandled. Attempted to read or write protected memory. This is often an indication that other memory is corrupt.</span></div>
<div><span style="line-height:15.703125px;font-size:12px;white-space:pre-wrap;font-family:verdana,sans-serif"><br></span></div><div><span style="line-height:15.703125px;font-size:12px;white-space:pre-wrap;font-family:verdana,sans-serif">Can someone please help me figure this out and let me know how to make use of </span><span style="white-space:pre-wrap;font-family:verdana,sans-serif">OSGeo.OGR.Layer.Intersection() in the right way with c# bindings. Thank you.</span></div>
<div><span style="white-space:pre-wrap;font-family:verdana,sans-serif"><br></span></div><div><span style="white-space:pre-wrap;font-family:verdana,sans-serif">Thanks,</span></div><div>Dheeraj<br>
</div><div dir="ltr"><div><br></div><div><br></div></div>
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