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List: vtkusers
Subject: Re: [vtkusers] Problems using implicitfunctions
From: Bill Lorensen <bill.lorensen () gmail ! com>
Date: 2010-09-30 16:44:25
Message-ID: AANLkTiniNtLEbKRvuB0M3pKPHiWWsLJpkKVER3e1C-Be () mail ! gmail ! com
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Laurent,
I agree with David. Try the code by Bryn. It is easy to configure and build.
I built a version on Fedora 13. I yum installed gts, glib and gts-devel.
Bill
On Thu, Sep 30, 2010 at 9:26 AM, David Doria <daviddoria@gmail.com> wrote:
> On Thu, Sep 30, 2010 at 9:13 AM, Laurent <l.paul@uclouvain.be> wrote:
>>
>> This is an update of my findings...
>>
>> It appears that the clipping is well performed on my polydata.
>> Unfortunately, the SuperQuadricSource that I see is not exactly the same
>> as
>> the SuperquadricImplicitFunction. The difference is resolution dependant,
>> I
>> mean that if I lower the resolution of the SuperQuadricSource, its
>> topology
>> changes and so, I don't get the same difference.
>>
>> Thus, Which one is wrong?
>> Any of them. I have to consider the Source and the ImplicitFunction as two
>> different objects, and cannot use both of them for display AND for
>> clipping.
>>
>> I am surprised of not finding a class that computes the intersection
>> between
>> two PolyDatas. I'll try to write one.
>>
>> If someone knows a vtk class that is able to do a similar job, thanks to
>> communicate it!
>>
>> Laurent.
>>
>
> Laurent,
> Bryn has written such a
> class: http://www.midasjournal.org/browse/publication/726
> It relies on GTS, but it works very well.
> There is also http://sourceforge.net/projects/vtkbioeng/ which has a
> collisionDetection filter that may be worth looking at.
> David
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