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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Frank,
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<div>As said I have my system variable as </div>
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<div>"<font color="#ff0000">RETURN_PRIMITIVES=ON</font>,RETURN_LINKAGES=ON,LNAM_REFS=ON,</div>
<div>UPDATES=APPLY,SPLIT_MULTIPOINT=ON,ADD_SOUNDG_DEPTH=ON"</div>
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<div>but still I couldn't see TOPI field retrieved in my dataset..</div>
<div>Will you elaborate and let me know.</div>
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<div>I have one more question:</div>
<div>How do we find area outer boundaries are encoded clockwise based on Orientation or USAG.</div>
<div>here when I retrieve S57 dataset I get multiple ORNT values for a single object.</div>
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<div style="font-family:Tahoma; font-size:13px">Thanks and Regards<br>
Nikhil Sai Parupalli<br>
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<span style="font-weight:bold">Note</span>: <span style="color:rgb(255,0,0)">Do not print this email until and unless it is really required. Save paper</span> ,
<span style="color:rgb(51,153,102); font-weight:bold">stay <span style="color:rgb(51,153,102)">
Gre</span>en</span><br>
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<div id="divRpF74110" style="direction: ltr; "><font face="Tahoma" size="2" color="#000000"><b>From:</b> fwarmerdam@gmail.com [fwarmerdam@gmail.com] on behalf of Frank Warmerdam [warmerdam@pobox.com]<br>
<b>Sent:</b> Saturday, October 06, 2012 2:32 AM<br>
<b>To:</b> Nikhil Sai Parupalli<br>
<b>Cc:</b> gdal-dev@lists.osgeo.org<br>
<b>Subject:</b> Re: [gdal-dev] Topological pointer<br>
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<div>Nikhil,
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<div>From the code it appears the TOPI field will be represented on the vector primitives when you enable treating vector primitives as features. To enable this you need to set the RETURN_PRIMITIVES=ON configuration option. See the S57 driver page for some
background. </div>
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<div><a href="http://www.gdal.org/ogr/drv_s57.html" target="_blank">http://www.gdal.org/ogr/drv_s57.html</a></div>
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<div>It looks like the attributes will be named TOPI_0 and TOPI_1 and will be integer fields containing the start and end point id I gather. The S57 topology support is a pretty fuzzy in my head. There is also other topological information (I think) accessable
on the vector primitive features. Some likely as hard to use list attributes.</div>
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<div>Best regards,</div>
<div>Frank<br>
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<div class="gmail_quote">On Fri, Oct 5, 2012 at 11:06 AM, Nikhil Sai Parupalli <span dir="ltr">
<<a href="mailto:nikhil.parupalli@iictechnologies.com" target="_blank">nikhil.parupalli@iictechnologies.com</a>></span> wrote:<br>
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<div style="direction:ltr; font-size:10pt; font-family:Tahoma">Hi All,
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<div>We are working on project which renders S57 dataset , I used GDAL for rendering GIS data and DOTSPATIAL for displaying map.</div>
<div>Here I could read dataset , but can any one know how do we get Topological Indicator value</div>
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<div style="font-family:Tahoma; font-size:13px">
<div style="font-family:Tahoma; font-size:13px">Thanks and Regards<br>
Nikhil Sai Parupalli<br>
<br>
<br>
<br>
<span style="font-weight:bold">Note</span>: <span style="color:rgb(255,0,0)">Do not print this email until and unless it is really required. Save paper</span> ,
<span style="color:rgb(51,153,102); font-weight:bold">stay <span style="color:rgb(51,153,102)">
Gre</span>en</span><br>
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-- <br>
---------------------------------------+--------------------------------------<br>
I set the clouds in motion - turn up | Frank Warmerdam, <a href="mailto:warmerdam@pobox.com" target="_blank">
warmerdam@pobox.com</a><br>
light and sound - activate the windows | <a href="http://pobox.com/~warmerdam" target="_blank">
http://pobox.com/~warmerdam</a><br>
and watch the world go round - Rush | Geospatial Software Developer<br>
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