4. Drawing Color Information object overlay

Drawing Color Information object overlay

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    THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

    On 06/09/2011 at 07:20, xxxxxxxx wrote:

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    Cinema 4D Version:    
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    Language(s) :     C++  ;

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    Hi there,

    I am trying to write a plugin, that draws certain values (per vertex) over existing objects. I am not sure what the best way is to archive that. I could write a shader, but the information I want drawn is more a helper when modeling takes place.

    The latest idea was to create a Tag similar to VertexMap or WeightMap. I am not sure, though, how to draw over the existing object with my own colors. Does anybody know, how Weight and VertexMap Tags do this? Is this actually possible from within a plugin?

    Best
    Timm

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  • H

    THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

    On 06/09/2011 at 07:35, xxxxxxxx wrote:

    I'm interested in this as well.

    If you choose to write a new Tag, then I guess you could draw the object yourself in the TagData->Draw() function. In this case however, you would also need to disable the drawing of the original object, and I don't know how that could be done.

    Keep us updated on your progress!

    Best regards
    /Filip

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  • H

    THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

    On 12/09/2011 at 06:08, xxxxxxxx wrote:

    The vertexmap tag uses internal core functions. What you can do is to write your own scene hook and override the SceneHookData::DisplayControl, SceneHookData::InitDisplayControl SceneHookData::FreeDisplayControl functions. They allow to set object display mode and vertex colors.

    cheers,
    Matthias

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  • H

    THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

    On 28/09/2011 at 03:02, xxxxxxxx wrote:

    Thanks, that helps a lot! For everybody else interested in this topic, I also found these two threads:

    https://plugincafe.maxon.net/topic/5992/6110_drawing-color-information-object-overlay
    https://plugincafe.maxon.net/topic/5636/5667_display-control

    And on a similar topic: Is it also possible to override drawing altogether to allow for my own default shading algorithms? Like a chrome view mode, or Gooch?

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  • H

    THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

    On 28/09/2011 at 03:12, xxxxxxxx wrote:

    Originally posted by xxxxxxxx

    And on a similar topic: Is it also possible to override drawing altogether to allow for my own default shading algorithms? Like a chrome view mode, or Gooch?

    Only through the EOGL library. Unfortunatly we can't provide documentation and support for the time being. If you feel brave you can take a look at the gl_test_object.cpp , gl_material.cpp , visualize_channel.cpp , VPInvertImage.cpp and vpstereo.cpp SDK examples though  🙂

    The EOGL classes and structures reside within c4d_gl.h.

    cheers,
    Matthias

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