<p dir="ltr">Yes . Evert GIS software i know work this.<br>
Surely mapserver do.<br>
Please nptice if you use PostGIS or spatialitecan do it automatically.</p>
<p dir="ltr">Order by st_area(geometry) desc</p>
<div class="gmail_quote">Il 08/giu/2014 10:59 "Dave Potts" <<a href="mailto:dave.potts@pinan.co.uk">dave.potts@pinan.co.uk</a>> ha scritto:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>On 08/06/14 09:53, Andrea Peri wrote:<br>
Hi Andrea<br>
<br>
Is the drawing controled by the ordering of the polygons in the
shapefile ?<br>
<br>
So the 1st entry will be draw first, second entry entry next etc<br>
<br>
Dave.<br>
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<blockquote type="cite">
<p dir="ltr">Another solution is get an useful utility from
mapserver site. It reorganize the shape putting the smallest
after the largest.</p>
<p dir="ltr">Regards.<br>
</p>
<div class="gmail_quote">Il 08/giu/2014 10:51 "Andrea Peri" <<a href="mailto:aperi2007@gmail.com" target="_blank">aperi2007@gmail.com</a>>
ha scritto:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<p dir="ltr">You could do a light transparency to show the
others under.<br>
</p>
<div class="gmail_quote">Il 08/giu/2014 10:42 "Dave Potts"
<<a href="mailto:dave.potts@pinan.co.uk" target="_blank">dave.potts@pinan.co.uk</a>>
ha scritto:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi list<br>
<br>
I have a shape file with several overlapping ploygons, is
there any way of telling qgis which order to draw the
polygons in?<br>
<br>
Naturally I would a like the smallest polygon to be drawn
on top of the larger polygons so thats its possible to all
of the polygons at one time.<br>
<br>
The data has a layer id which has a different value for
each of the polygons, could I use this to force the
ordering of the drawing?<br>
<br>
<br>
regards<br>
<br>
Dave.<br>
<br>
<br>
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</blockquote>
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</blockquote>
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</div>
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