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Spline discplacement
Posted: 03 December 2019 12:16 PM   [ Ignore ]  
Total Posts:  39
Joined  2019-11-25

Hello,

I have made a spline and with the extrude and connect tool made some holes in the spline.

As you can see at my reference image, i also want to make some extrudes.
I thought it will work with a displacement, but something is going wrong.

What is going wrong?

Maybe i choose the wrong way to do this?

Annet

https://www.dropbox.com/transfer/AAAAAAb-yyeE8XXlrli-hESWeqrNtljRhp5gu_yvLIZLk04QXbZMcbQ

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Posted: 03 December 2019 05:18 PM   [ Ignore ]   [ # 1 ]  
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Hi Annet,

The link has no images, nor is the image in the project file available.
“WhatsApp Image 2019-12-03 at 13.01.23(1).jpeg” is missing.
You might know it, but just in case, to include content like images, the project needs to be saved with assets.
Main Menu> File> Save With Assets…

Please have a look at the Image:
https://www.amazon.com/clouddrive/share/mLmvGB2rY68DbFAQ8YxI51DBwlwYNWal6kNtmQ8UuI1
You can see clearly, that the Spline Shader isn’t sitting correctly (I assume…), I copied and pasted the Shader into the luminance Channel to show the effect.

In the file below, I centered and scaled it up. Besides that, the Displacement was set to Intensity Center. This means white goes in one direction and black in another. Since the Shader produces a lot of blacks, anything besides the white stripes is displaced as well. Set to Intensity, black has no influence, and only white is displacing the surface. I set the caps to regular grids.
https://www.amazon.com/clouddrive/share/ajVnicCqcVle3KRbXipRCBixByaSWWr998jgPBzKYL0

The Spline Shader is square, and it is looking at a Spline from this square. Which means that any width of the spline is related to this. While projected as Flat to the object, it is stretched to cover the Rectangle shape. This stretches the lines. My suggestion, use an image for the Displacement. You could render a top view of the object and work on that in Ps.
Perhaps modeling that shape is faster. Example screen capture is here
https://www.amazon.com/clouddrive/share/4RBjtaUb8CU7GkE2qIGVvdlPeW5GhzFYzWRFZAyQzU5
Note that I reduced the size first, to extrude it later. As I often mentioned in this forum, it’s like playing chess, think about a few steps ahead.

Please note that I have set up the Loft with no Start Cap, and changed the Subdivision U as well as the Cap Grid. IF the Start Cap is on the same level as the End Cap, you might experience problems during rendering.

Let me know if there is any other question, I’m happy to look into it.

Cheers

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Dr. Sassi V. Sassmannshausen Ph.D.
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Posted: 06 December 2019 06:43 PM   [ Ignore ]   [ # 2 ]  
Total Posts:  39
Joined  2019-11-25

Hello Dr. Sassi,

Thanks for your reply and sorry for my late reply. I am going to try and modeling the shape.

I am going to work on it.

thanks,

Annet

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Posted: 06 December 2019 06:46 PM   [ Ignore ]   [ # 3 ]  
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You’re very welcome, Annet, thanks for the reply.

I hope the little screen capture helps a little bit.

Let me know if you run into problems, share the file if. I will have a look at it.

perhaps check this out first:
https://www.cineversity.com/vidplaytut/industrial_modeling_-_holes_part_01

Enjoy

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Dr. Sassi V. Sassmannshausen Ph.D.
Cinema 4D Mentor since 2004
Maxon Master Trainer, VES, DCS

Photography For C4D Artists: 200 Free Tutorials.
https://www.youtube.com/user/DrSassiLA/playlists

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Posted: 07 December 2019 04:10 AM   [ Ignore ]   [ # 4 ]  
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P.S.: here is a model, based on two main ideas, no triangles and holes with just a few points.
Screen shot and project file
https://www.amazon.com/clouddrive/share/gWIMlOfJRzG2ugr1wcF9P0chRo9zK0Rd5weEs5uyKxd

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Dr. Sassi V. Sassmannshausen Ph.D.
Cinema 4D Mentor since 2004
Maxon Master Trainer, VES, DCS

Photography For C4D Artists: 200 Free Tutorials.
https://www.youtube.com/user/DrSassiLA/playlists

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