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Re: nearest node of Delauny tesselation [message #84126 is a reply to message #84060]

Fri, 26 April 2013 16:46

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On 4/26/13 3:37 PM, ben.bighair wrote:
> On Thursday, April 25, 2013 5:35:40 PM UTC-4, Jeremy Bailin wrote:
>> Under the category of "this must be easy, but I can't seem to figure out
>>
>> the right function":
>>
>>
>>
>> If I have created a Delauny tesselation using TRIANGULATE, how can I
>>
>> easily find which nodes form the triangle that contains an arbitrary
>>
>> point in the space?
>>
>>
>>
>> (more specifically, I am using /NATURAL_NEIGHB interpolation in GRIDDATA
>>
>> and it's going horribly wrong for one point, so I'm trying to figure out
>>
>> what nodes it's actually using in the interpolation for that point)
>>
>
> Hi,
>
> COuld you use IDLanROI::ContainsPoint()? You would have to convert the triangulations to ROIs first.
>
> Cheers,
> Ben
>

Yes, that would probably work... although converting each one separately
to an ROI sounds like overkill to just figure out where one point lies.
:) But that's the best suggestion, so I suspect that's what's going to
happen.

-Jeremy.

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[Message index]

		nearest node of Delauny tesselation By: Jeremy Bailin on Thu, 25 April 2013 14:35
		Re: nearest node of Delauny tesselation By: ben.bighair on Fri, 26 April 2013 19:32
		Re: nearest node of Delauny tesselation By: Jeremy Bailin on Fri, 26 April 2013 16:46
		Re: nearest node of Delauny tesselation By: ben.bighair on Fri, 26 April 2013 13:37

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