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scale material along object
Posted: 12 October 2018 11:27 PM   [ Ignore ]  
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Hi,

When scaling object to small,.... center circle disappears, any idea how can I fix applied material when scaling object…?

https://www.dropbox.com/s/3hxmbtag40a4rgm/texture.c4d?dl=0

Thanks.
Imran.

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Posted: 13 October 2018 12:09 AM   [ Ignore ]   [ # 1 ]  
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Hi Imran,

I hope I understand this correctly, by scaling you mean the scene view? While the camera moves “out” very far, the objects axis handles or the bands disappear?

Typically one would think to check with far clipping, but not here. It renders when it is small, but there is a limit.

The new 2D Camera [R20] isn’t working here, if I go extreme first with the current camera

My suggestions, since things get really small and kind of hard to see, go into a two or four side view, perhaps just open a new view finder, as shown here:
https://www.amazon.com/clouddrive/share/nsfnkiXobnnddml7xS9pDOUbwllzZpHWUYjnFdTwKUq

You might as well check with the support, if they have an idea how to extend this “distance”.
https://www.maxon.net/en-us/support/how-can-we-help/

All the best

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Posted: 13 October 2018 12:25 AM   [ Ignore ]   [ # 2 ]  
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Thanks for the new trick…. but sorry it was not my point. I mean scaling object not view.

in my scene… one is big and one is small. both same material applied. In small object… why not getting same material as big. center circle is gone in small object.

Thanks.

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Posted: 13 October 2018 01:14 AM   [ Ignore ]   [ # 3 ]  
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Thanks for clearing this, Imran.

I guess the next few lines is what we expect from it, I mention it to make my point.
If you scale an object, the texture is normally scaled with it, so it doesn’t disappear. Only frontal and camera mapping are independent here.

In the moment you are setting up a texture with UVW, it will stick to the polygons, and certainly when they are scaled down. It would be otherwise a huge chaos if the scale would be animated and the textures would stay un-altered.

Again, I think this is clear and I mention it only to show the difference that you have set up inside of the material.

The Gradients (there are many) is set up to Object, and here with a 100cm size, and -100cm starting this will stick. Texture might be the better way but also here the Displacement is not scaled in its value, but also here, it doesn’t scale well.

I would bake the channels, and use images for anything that doesn’t scale well. Use the object under a null, and scale the null after baking.

Alternatively, all the values from the gradient can be controlled by Xpresso, perhaps with a bounding box (since it is a sphere) you could automate this. But it would be for each object one material! Lots of work, baking sounds easier.
Example
https://www.amazon.com/clouddrive/share/NwyAPdZzSMYvuOPtWnbhunpJ00VVKdmYoXjkCRPRYcq

All the best

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Dr. Sassi V. Sassmannshausen Ph.D.
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Posted: 13 October 2018 01:37 AM   [ Ignore ]   [ # 4 ]  
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thanks…. clear now.

wow…. with xpresso… for me its complicated.

Thanks,
Imran.

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Posted: 13 October 2018 01:57 AM   [ Ignore ]   [ # 5 ]  
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You’re very welcome, Imran, thanks for taking the time.

I would bake it, then you have for each channel a single image file, which can be edited quickly in Photoshop as well.
BTW, I haven’t even checked all you Noise Shader settings, that would be also just baked and scaleable after baking.

My best wishes for your project.

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Dr. Sassi V. Sassmannshausen Ph.D.
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Posted: 13 October 2018 05:00 AM   [ Ignore ]   [ # 6 ]  
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P.S.: as usual, I try to recreate anything I suggest, even I certainly know how to bake textures. Things might change and answering from memory, not so much.

I have send you a download link with all the baked textures. The only thing that you need to adjust is the Displacement hight, as that doesn’t scale with hight.


There is no option to bake the layers of the reflectance. One could take a sky object with a white material to bake a resulting reflectivity, which will not represent that quality of a layered reflectance. So each layer shader needs to be dragged, one by one, to the Luminance channel and baked separately. Hence the naming of the baked files.

I have fixed the pole-caps for you, so they are 100% seamless to use.

Please note, I’m offline for the next week, mostly.

Enjoy your project

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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.
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