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<div class="moz-cite-prefix">14.07.2012 5:18, taibc пишет:<br>
</div>
<blockquote
cite="mid:1342228673.30169.YahooMailNeo@web190001.mail.sg3.yahoo.com"
type="cite">
<div style="color:#000; background-color:#fff; font-family:times
new roman, new york, times, serif;font-size:12pt">
<div><span>Thanks Dmitry,</span></div>
<div><br>
</div>
<div>Please see attached files for screenshots.</div>
<div><br>
<span></span></div>
<div><span>Here is the code of the main.cpp (the project only
includes this file):</span></div>
<div><br>
<span></span></div>
<div><span><span style="font-style: italic;">#include
<iostream></span><br style="font-style: italic;">
<span style="font-style: italic;">#include "ogrsf_frmts.h"</span><br
style="font-style: italic;">
<span style="font-style: italic;">using namespace std;</span><br
style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;">int main()</span><br
style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;">{</span><br
style="font-style: italic;">
<span style="font-style: italic;"> OGRRegisterAll();</span><br
style="font-style: italic;">
<span style="font-style: italic;">
OGRDataSource *poDS;</span><br style="font-style:
italic;">
<br style="font-style: italic;">
<span style="font-style: italic;"> poDS =
OGRSFDriverRegistrar::Open( "point.shp", FALSE );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> if( poDS == NULL )</span><br
style="font-style: italic;">
<span style="font-style: italic;"> {</span><br
style="font-style: italic;">
<span style="font-style: italic;"> printf( "Open
failed.\n" );</span><br style="font-style: italic;">
<span style="font-style: italic;"> exit( 1 );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> }</span><br
style="font-style: italic;">
<span style="font-style: italic;"> OGRLayer
*poLayer;</span><br style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;"> poLayer =
poDS->GetLayerByName( "point" );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> OGRFeature
*poFeature;</span><br style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;">
poLayer->ResetReading();</span><br style="font-style:
italic;">
<span style="font-style: italic;"> while( (poFeature
= poLayer->GetNextFeature()) != NULL )</span><br
style="font-style: italic;">
<span style="font-style: italic;"> {</span><br
style="font-style: italic;">
<span style="font-style: italic;"> OGRFeatureDefn
*poFDefn = poLayer->GetLayerDefn();</span><br
style="font-style: italic;">
<span style="font-style: italic;"> int iField;</span><br
style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;"> for( iField =
0; iField < poFDefn->GetFieldCount(); iField++ )</span><br
style="font-style: italic;">
<span style="font-style: italic;"> {</span><br
style="font-style: italic;">
<span style="font-style: italic;">
OGRFieldDefn *poFieldDefn = poFDefn->GetFieldDefn(
iField );</span><br style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;"> if(
poFieldDefn->GetType() == OFTInteger )</span><br
style="font-style: italic;">
<span style="font-style: italic;">
printf( "%d,", poFeature->GetFieldAsInteger( iField )
);</span><br style="font-style: italic;">
<span style="font-style: italic;"> else if(
poFieldDefn->GetType() == OFTReal )</span><br
style="font-style: italic;">
<span style="font-style: italic;">
printf( "%.3f,", poFeature->GetFieldAsDouble(iField) );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> else if(
poFieldDefn->GetType() == OFTString )</span><br
style="font-style: italic;">
<span style="font-style: italic;">
printf( "%s,", poFeature->GetFieldAsString(iField) );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> else</span><br
style="font-style: italic;">
<span style="font-style: italic;">
printf( "%s,", poFeature->GetFieldAsString(iField) );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> }</span><br
style="font-style: italic;">
<span style="font-style: italic;"> OGRGeometry
*poGeometry;</span><br style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;"> poGeometry =
poFeature->GetGeometryRef();</span><br
style="font-style: italic;">
<span style="font-style: italic;"> if( poGeometry
!= NULL </span><br style="font-style: italic;">
<span style="font-style: italic;"> &&
wkbFlatten(poGeometry->getGeometryType()) == wkbPoint )</span><br
style="font-style: italic;">
<span style="font-style: italic;"> {</span><br
style="font-style: italic;">
<span style="font-style: italic;"> OGRPoint
*poPoint = (OGRPoint *) poGeometry;</span><br
style="font-style: italic;">
<br style="font-style: italic;">
<span style="font-style: italic;"> printf(
"%.3f,%3.f\n", poPoint->getX(), poPoint->getY() );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> }</span><br
style="font-style: italic;">
<span style="font-style: italic;"> else</span><br
style="font-style: italic;">
<span style="font-style: italic;"> {</span><br
style="font-style: italic;">
<span style="font-style: italic;"> printf(
"no point geometry\n" );</span><br style="font-style:
italic;">
<span style="font-style: italic;"> } </span><br
style="font-style: italic;">
<span style="font-style: italic;">
OGRFeature::DestroyFeature( poFeature ); </span><br
style="font-style: italic;">
<span style="font-style: italic;"> }</span><br
style="font-style: italic;">
<span style="font-style: italic;">
OGRDataSource::DestroyDataSource( poDS );</span><br
style="font-style: italic;">
<span style="font-style: italic;"> return 0;</span><br
style="font-style: italic;">
<span style="font-style: italic;">}</span></span></div>
<div><br>
</div>
<div><br>
</div>
<div>Thanks and regards,</div>
<div><br>
Tai<br>
</div>
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<div style="font-family: times new roman, new york, times,
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<hr size="1"> <b><span style="font-weight:bold;">From:</span></b>
Dmitry Baryshnikov [via OSGeo.org] <<a
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<b><span style="font-weight: bold;">To:</span></b> taibc
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<b><span style="font-weight: bold;">Sent:</span></b>
Friday, July 13, 2012 5:43 PM<br>
<b><span style="font-weight: bold;">Subject:</span></b>
Re: Error LNK1120: 314 unresolved externals - When using
Ogr C++ class on Visual Studio 2010<br>
</font> </div>
<br>
<div id="yiv1657879342"><br>
Hi Tai,<br>
<br>
Please post your code and screenshots of project tree and
properties Linker ->Input and C/C++ -> Preprocessor
definitions<br>
<br>
Best regards,<br>
Dmitry<br>
<br>
<br>
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<img moz-do-not-send="true" src="/images/icon_attachment.gif"> <strong>Preprocessor.png</strong>
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</blockquote>
Try to add to preprocessor definitions:<br>
<br>
_WINDOWS<br>
STRICT<br>
_CRT_SECURE_NO_DEPRECATE<br>
_CRT_NONSTDC_NO_DEPRECATE<br>
_USRDLL<br>
<br>
Best regards,<br>
Dmitry<br>
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