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How should I create an arbitrary 3D geometry object with contour coordinates

Posted 31 oct. 2011, 08:53 UTC−4 Interfacing, Geometry Version 4.2 4 Replies

Yun He
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Since there is no more function like ' loft ' in 3.5a, how can I create a 3D geometry object with only the contour coordinates with only 4.2 functions? Can I convert a set of parallel polygons to a 3D geometry, by assigning each one with a z-axis height and combining all of them? Thank you all!
4 Replies Last Post 16 févr. 2016, 08:48 UTC−5
COMSOL Moderator

Hello Yun He

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If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.

Jeff Hiller COMSOL Employee

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Posted: 9 years ago 4 déc. 2015, 10:42 UTC−5
Hello Yun,
These days, the lofting capability is available without any programming necessary, see www.comsol.com/design-module
Best regards,
Jeff
Hello Yun, These days, the lofting capability is available without any programming necessary, see http://www.comsol.com/design-module Best regards, Jeff
Enver Salkim
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Posted: 9 years ago 13 févr. 2016, 19:20 UTC−5
Hi Jeff,

I would like to generate 3D CAD from multiple layers MRI images in Comsol. I am using coordinates manually and then export to in to Comsol. While I did that I can not make lofting , I think , because images coordinates vary (x and y value vary). I have two questions
Firstly, Is there any simple way to have MRI images coordinates in Matlab?
Secondly, Do you have any recommendations about lofting problem as mentioned?
Any rec commendations would be appreciated. Many Thanks in advance

Best Regards

Enver Salkim
Hi Jeff, I would like to generate 3D CAD from multiple layers MRI images in Comsol. I am using coordinates manually and then export to in to Comsol. While I did that I can not make lofting , I think , because images coordinates vary (x and y value vary). I have two questions Firstly, Is there any simple way to have MRI images coordinates in Matlab? Secondly, Do you have any recommendations about lofting problem as mentioned? Any rec commendations would be appreciated. Many Thanks in advance Best Regards Enver Salkim
Lorant Olasz COMSOL Employee

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Posted: 9 years ago 15 févr. 2016, 05:55 UTC−5
Hi Enver,
Perhaps the function mphimage2geom that comes with LiveLink for MATLAB could be of some help. It can be used to convert images into geometry, will output either interpolation curves or polygons.
Best,
Lorant
Hi Enver, Perhaps the function mphimage2geom that comes with LiveLink for MATLAB could be of some help. It can be used to convert images into geometry, will output either interpolation curves or polygons. Best, Lorant
Jeff Hiller COMSOL Employee

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Posted: 9 years ago 16 févr. 2016, 08:48 UTC−5
Hello Enver,
I don't believe I understand your question. Please contact our technical support team (support@comsol.com) should you still be facing difficulties.
Best regards,
Jeff
Hello Enver, I don't believe I understand your question. Please contact our technical support team (support@comsol.com) should you still be facing difficulties. Best regards, Jeff

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