On Dec 16, 11:32 am, Damian <[email protected]> wrote:
> I have put together an application using Oracle Application Express
> that displays polygons on a map. I've created 2 functions that cut
> polygons; one where a polygon is cut by another overlapping polygon
> and a 2nd function where a polygon can be cut by a polyline drawn
> through it. The purpose of these functions is to enable the creation
> of neighbouring polygons that do not overlap.
>
> The sample app is available at (real app is behind company firewall
> and will use Premier API);
>
> http://apex.oracle.com/pls/otn/f?p=19913:2
>
> Right click on the map for a context menu.
>
> The problem I have is with the "Cut with Region" (i.e. cut with a
> polygon) option; it works in many cases but not all. The code behind
> it is quite complex and convoluted which leads me to believe a far
> better solution is available out there somewhere.
>
> Despite much searching, I have not been able to find an algorithm that
> would work reliably. I know this issue is probably one of geometry
> rather than an issue with the Maps API but I'm hoping one of the gurus
> who contribute here might be able to point me in the right direction.
Look at:
www.polyarc.us/polybuilder
If it does what you trying to accomplish, I will provide additional
information.
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