This post blew my mind?<br><br>can you explain a bit more?<br><br><b><i>jamie <linux@riach.eu></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> The problem with geospatial data in a data base is that of common<br> borders, when they (commercially) digitise the borders. They<br> store the<br> info in two ways database friendly each region separately. and<br> database<br> unfriendly where common borders are only store once-ie you have<br> to<br> include all the data from surrounding regions to draw the one<br> you want.<br> The rational is separate regions are fine for non exacting work,<br> common<br> boundaries don't open holes and anomalies when the digitisation<br> threshold is exceeded. There are also the elements that are<br> non-contiguous such as that part of Russia that is separated<br>
from the<br> rest by Lithuania. More commonly it is by lakes, rivers etc or<br> boundaries have never been fixed ie Sudan, Lybia, Chad where<br> Darfur sits<br> in the middle. BP seems to be funding both pro western sides?<br> Microsft<br> doesn't monopolise amoral business.<br> <br> <br> <br><br><br>_______________________________________________<br>dundee GNU/Linux Users Group mailing list<br>dundee@lists.lug.org.uk http://dundee.lug.org.uk<br>https://mailman.lug.org.uk/mailman/listinfo/dundee<br>Chat on IRC, #tlug on dundee.lug.org.uk<br></blockquote><br><p> 
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