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<div class="moz-cite-prefix">Hi <br>
<br>
On 20/07/2016 09:47, Peter Newmarch wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Aslam,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Every
time I have queried what appeared to be obvious errors in
the data where it does not follow cadastral boundaries, I
have been told by the Demarcation Board that the shapefiles
are absolute and if a house is 1cm the other side, it’s
another municipality. Since such limits are gazette, they in
fact cannot be altered, even to fit the obvious cadastral
boundary. They don’t gazette the properties, but the map.</span></p>
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that's crazy!<br>
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cite="mid:008a01d1e25a$fb829c70$f287d550$@land-surveyors.com"
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<p class="MsoNormal"><span
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<p class="MsoNormal"><span
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thousands
of people have lost out on receiving houses in Housing
programs because of such bad ward delineation practices. </span></p>
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I agree, all administrative boundaries should be be composed of
cadastral parcels. A shapefile or other GIS data set is merely a
representation of such but the legal fallback for a municipality
should be the survey diagrams of the properties that compose the
municipality. Nevertheless, the GIS dataset should be sufficiently
accurate to match the original cadastral boundaries!<br>
<br>
This sounds like something the CSI should take up. <br>
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<br>
Gavin<br>
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<div style="text-align:center">Gavin Fleming - Joint MD - PrGISc
[PGP1234]</div>
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