[Insight-users] Cuberille

[Dan Mueller]

Hi Mário,

(This time cc'd to the insight-users mailing list)

> I´m trying to understand the diference of using GenerateTriangleFaces or
> ProjectVerticesToIsoSurface.

These parameters are described in the Insight journal article:
   http://www.insight-journal.org/download/viewpdf/740/3

"GenerateTriangleFaces specifies whether triangle or quadrilateral
faces should be generated. The default is to generate triangle faces."
GenerateTriangleFaces=true means that the algorithm generates
triangles, GenerateTriangleFaces=false means the algorithm generates
quadrilaterals (e.g. rectangles).

"ProjectVerticesToIsoSurface specifies whether the vertices should be
projected onto the iso-surface. If the projection is disabled, the
resultant mesh exhibits the traditional blocky features. Projection
takes roughly half of the algorithm time. The default is to project
the vertices."
ProjectVerticesToIsoSurface=true means that the resultant mesh is
smooth (vertices are projected onto the surface).
ProjectVerticesToIsoSurface=false means that the resultant mesh is
blocky (vertices are not projected and remain block-like).

> Can you send me the articles you mention in the references of the article
> "Cuberille implicit surface polygonization for itk"?

Unfortunately the referenced publications did not follow the
principles of open science, and are behind a pay wall. The best I can
do is send you the digital object identifier links. If you are
studying, your university typically pays exorbitant fees to access
these publications. Ask your librarian.
   http://dx.doi.org/10.1016/0734-189X(89)90132-1
   http://dx.doi.org/10.1016/0146-664X(79)90079-0

HTH

Cheers, Dan

> 2011/6/6 Mário Costa <mario.costa.13 at gmail.com>:
>> Hi Dan
>>
>> I´m studying the algorithm Cuberille in school, and I have to make a report
>> of it.
>> I´ve read your article, and I´m using your code to read the volume of vtk
>> images and get the respective polygon meshes.
>> I needed to change all the parameters of the algorithm in order to discuss
>> which values were the best for certain kind of images.
>> Now I don´t know what to compare from the original image and the respective
>> mesh.
>> I´m trying to understand the diference of using GenerateTriangleFaces or
>> ProjectVerticesToIsoSurface.
>> Can you send me the articles you mention in the references of the article
>> "Cuberille implicit surface polygonization for itk"?
>>
>>
>> Em 05-06-2011 14:22, Dan Mueller escreveu:
>>>
>>> Hi Mario,
>>>
>>> Are you referring to the Cuberille implicit surface polygonization
>>> algorithm?
>>>    http://www.insight-journal.org/browse/publication/740
>>>
>>> If so, this algorithm takes a 3-d image (volume) and converts it to a
>>> polygon mesh.
>>>
>>> Please post your source code, input images, and output screen captures
>>> to the list so we can provide more detailed help.
>>> (You may have to post these files/images to an online file repository,
>>> as the mailing list only supports text and very small images).
>>>
>>> Cheers, Dan
>>>
>>> 2011/6/1 Mário Costa<mario.costa.13 at gmail.com>:
>>>>
>>>> Hello
>>>>
>>>>
>>>> I´m studying the Cuberille algorithm. I've implemented it and tried to
>>>> run
>>>> it with several images but I can´t understand all the results i´ve had.
>>>> Can someone tell me what are the main applications of this algorithm?
>>>>
>>>> Thanks
>>>> Mario Costa
>>
>>
>