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<div>Ok, but when it comes to SimplifyVW I guess we don't have to care about the default to Douglas-Pecker version.</div>
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<div>For reference ST_SimplifyVW outputs </div>
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<div>POLYGON((0.5 1.5,100 200,0 200,0.5 1.5));</div></div>
<div>from :</div>
<div>SELECTST_AsText(ST_SimplifyV('POLYGON((0.5 1.5,1.5 1.5,2.5 2.5,4.5 4,100 200,0 200,-0.5 5.5,0 3.5,0.5 1.5))'::geometry, 1000));</div>
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<div>Javier, do you get the same from your version (with very high last parameter)?</div>
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<div>strk</div>
<div>Is it implemented with most significant or evenly distributed 4 points?</div>
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<div>/Nicklas</div><br />
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2015-04-07 skrev Javier Santana :<br />
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<div>I did some tests on that: <a target="_blank" href="https://github.com/javisantana/postgis/commit/8cc94f292fadf9295bc928f4a67e83e919408e01">https://github.com/javisantana/postgis/commit/8cc94f292fadf9295bc928f4a67e83e919408e01</a>>
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<div>On Tue, Apr 7, 2015 at 10:58 AM, Sandro Santilli <<a target="_blank">strk@keybit.net</a>> wrote:<br />
>On Sat, Apr 04, 2015 at 11:11:29PM +0200, Nicklas Avén wrote:<br />
>
> Then I am on the right track with SimplifyVW. But I use the most significant points instead of evenly distributed 4 points.<br />
>
> But I don't know if that is easy to implement with possible with Douglas-Pecker.<br />
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>I think it's already implemented, just needs to be exposed once we<br />
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have an acceptable parameter to specify user wants that behavior,<br />
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as people complained when the default was changed.<br />
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--strk;<br />
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