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Image maps for reflections
Posted: 08 May 2012 04:52 PM   [ Ignore ]  
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Joined  2008-12-22

I’m trying to figure out the most effective way to have an image that does not show up in my scene except as reflections on the objects within my scene. I am fairly new to C4D so some good directions would be helpful.

Thanks,

Ron

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Posted: 08 May 2012 04:59 PM   [ Ignore ]   [ # 1 ]  
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Hi Ron,

Reflections can be done scene wise or object wise (well material based: environment)

There are few things you have to consider:
-what surface has the model, convex or concave maybe flat or scattered, etc…
-what image material do you have (panoramas 360/180ยบ or single images
-do you have hdri or ldri, you like to work with stills or footage.
-what final resolution do you need (rendering)
-what equipment do you have, camera, fisheye, pano-head, chrome-sphere, etc

I have outlined a series about that but sorry, it takes some time. In fact a more or less multi series about C4D and mainly what one needs to know in conjunction with Photography (Video) is on work. As I use SLRs since over three decades for my work, I have quite something to share in that field.

Let me know a little bit more so I might can share some more helpful thoughts.

All the best

Sassi

P.S. if the “not show up in the scene” is the main question, check out the Compositing Tag, the object that carries the image information for the reflection need to be set to Attribute Manger (Compositing tag)> Not seen by camera, not seen by refraction nor transparence.

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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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Posted: 08 May 2012 05:50 PM   [ Ignore ]   [ # 2 ]  
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Joined  2008-12-22

I have attached the file I am working on with this issue. I want only the radiant white background yet in the refections of all the text (or after review I may choose only for selected text) the reflection of some arbitrary image that I can select as a map as part of a material. This for now will be use as a still image for presentation purposes like a presentation (Prezi or Keynote).

Thanks so much for your help and fast response to my question!

Ron

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Posted: 08 May 2012 06:31 PM   [ Ignore ]   [ # 3 ]  
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Hey Ron,

Could you please check “your attachment”? I can’t see it ;o) Should be a zip compression, C4D (if you used that uncompressed) will not work.

All the best

Sassi

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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: 08 May 2012 07:18 PM   [ Ignore ]   [ # 4 ]  
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Sorry Sassi I did not know it needed to be compressed. Here you go, I hope this works.

Thanks,

Ron

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Posted: 08 May 2012 07:30 PM   [ Ignore ]   [ # 5 ]  
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Nope, sorry, didn’t come through.

The first thing you can do, is to check if you can download the file from the forum itself.

If that won’t work, try again.

If that won’t work, I might have you guided thought it.

Best

Sassi

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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: 08 May 2012 07:47 PM   [ Ignore ]   [ # 6 ]  
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Yes I tried to attach the file through the forum attached directly with my response to you. If you have an email address to otherwise send it through I would be happy to use that instead. the compressed file is only 430 KB.

Thanks,

Ron

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Posted: 08 May 2012 07:54 PM   [ Ignore ]   [ # 7 ]  
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The idea of the forum is that every member can participate, a reason why I like to have all communication and information here.  Other instructors would have then no access etc. when I get an e-mail. Well I have to attach then the file. If I’m not available, the e-mail would sit here and no show.

So let’s try to get this working for you.

I have attached a file that shows the buttons and has already an attached file on it. You get these options after using the button “Compose Reply”

Please let me know when it stops to work for you.

Thank you.

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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: 08 May 2012 08:51 PM   [ Ignore ]   [ # 8 ]  
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Hi Sassi,

What you are showing me is exactly what I have done. Not sure why it is not working though and have to admit it is getting somewhat frustrating for me. This was intended to be a simple question that is now getting involved in trying to sent an attachment. Not sure where to take it from here now. I have already let John at Maxon Tech support know about my email attachement problem.

Thanks,

Ron

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Posted: 08 May 2012 09:03 PM   [ Ignore ]   [ # 9 ]  
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Hey Ron,

Sorry that you have trouble with an attachment.  It is not an e-mail attachment problem. The attachment here in the forum needs to be fixed.


Let me know what is in you scene, I had asked some question above, which may not be answered with a scene file completely.

All the best
Sassi

Let me know your contact information so I can send you mine, but please, just for that case! ...you might like to use the PM (Private messages here)

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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: 09 May 2012 05:50 PM   [ Ignore ]   [ # 10 ]  
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The file is send, please let me know it that has worked for you.

:o)

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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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