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<div class="moz-cite-prefix">On 10/10/2013 09:33 PM, Tamas Szekeres
wrote:<br>
</div>
<blockquote
cite="mid:CACALY+RbbU4x3DKhy3UG_JLneZG9S=tjKAVVuU-RansoHEfa4w@mail.gmail.com"
type="cite">
<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>
</blockquote>
<br>
Layer::Intersection supports progress notification but support in
the Swig layer may not be complete. There is of course a possibility
of a bug in the Layer::Intersection code too.<br>
<br>
Ari<br>
<br>
<blockquote
cite="mid:CACALY+RbbU4x3DKhy3UG_JLneZG9S=tjKAVVuU-RansoHEfa4w@mail.gmail.com"
type="cite">
<div dir="ltr">
<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 moz-do-not-send="true"
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>
</div>
</div>
<br>
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