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    Custom Cameras (FishEye, Panorama, Etc)

    SDK Help
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    • H
      Helper
      last edited by

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

      On 01/11/2005 at 12:29, xxxxxxxx wrote:

      After strolling through the R9.5 documentation, I'm wondering if this shouldn't be possible by using "Custom lenses with VIDEOPOST_CUSTOMLENS"?

      Kabe

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      • H
        Helper
        last edited by

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

        On 01/11/2005 at 12:36, xxxxxxxx wrote:

        Yes. Though please note that this feature requires the next update of C4D, which will be released soon. (As does everything below "Browser library" in the list of changes.)

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        • H
          Helper
          last edited by

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

          On 18/12/2005 at 13:52, xxxxxxxx wrote:

          Well, as that version is released now, would you mind giving a hint how to do this with VIDEOPOST_CUSTOMLENS?

          Thanks!

          Kabe

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          • H
            Helper
            last edited by

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

            On 02/01/2006 at 14:33, xxxxxxxx wrote:

            You give the VIDEOPOST_CUSTOMLENS flag for your videopost node in GetRenderInfo(). Then C4D will send MSG_VIDEOPOST_CREATERAY messages to you. Simply cast the data parameter to VideoPostCreateRay and set p/v depending on x/y.
            If this doesn't work, please tell me what fails so that I can investigate further.

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            • H
              Helper
              last edited by

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 RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

              On 22/03/2006 at 09:48, xxxxxxxx wrote:

              Hi!
              I tested VIDEOPOST_CUSTOMLENS flag by making a camera similar to cinema4d perspective camera and there are some diferences in rendered images. Looks like the antialiasing is somehow lost during the CREATE_RAY process...
              The test was really simple, only received x/y converted to perspective and the set p/v.
              Marco Silva

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              • H
                Helper
                last edited by

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

                On 29/03/2006 at 07:57, xxxxxxxx wrote:

                Hi again!
                this is my code for message function:

                    
                    
                    
                    
                    Bool Message(GeListNode* node, LONG type, void *data) {
                    
                    
                    
                    
                    switch (type) {
                    
                    
                    
                    
                    case MSG_VIDEOPOST_CREATERAY: {
                    
                    
                    
                    
                    VideopostCreateRay *vpcr = (VideopostCreateRay * ) data;
                    
                    
                    
                    
                    LReal x = (vpcr->x - width/2.0) / xFactor;
                    
                    
                    
                    
                    LReal y = (vpcr->y - height/2.0) / yFactor; 
                    
                    
                    
                    
                    LReal alt, azi, z;
                    
                    
                    
                    
                    // gnomonic projection, it's a spherical projection equivalent to perspective
                    
                    
                    
                    
                    gnomonicProjection(-x, y, alt, azi);
                    
                    
                    
                    
                    // convert altitude and azimuth to vector form
                    
                    
                    
                    
                    LReal cos_alt = cos(alt);
                    
                    
                    
                    
                    y = cos(azi) * cos_alt;
                    
                    
                    
                    
                    x = sin(azi) * cos_alt;
                    
                    
                    
                    
                    z = sin(alt);
                    
                    
                    
                    
                    // camera position
                    
                    
                    
                    
                    vpcr->p.x = camera_x;
                    
                    
                    
                    
                    vpcr->p.y = camera_y;
                    
                    
                    
                    
                    vpcr->p.z = camera_z;
                    
                    
                    
                    
                    // precalculated values for vector rotation
                    
                    
                    
                    
                    vpcr->v.x = x*v11 + y*v12 + z*v13;
                    
                    
                    
                    
                    vpcr->v.y = x*v21 + y*v22 + z*v23;
                    
                    
                    
                    
                    vpcr->v.z = x*v31 + y*v32 + z*v33;
                    
                    
                    
                    
                    return TRUE;
                    
                    
                    
                    
                    }
                    
                    
                    
                    
                    }
                    
                    
                    
                    
                    return TRUE;
                    
                    
                    
                    
                    }
                    
                    
                    
                

                this code works perfectly if antialiasing is set to best (16x16), otherwise object edges become aliased...
                can someone please help me... I don't understand why this is happening...
                 
                Marco Silva

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                • H
                  Helper
                  last edited by

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

                  On 31/03/2006 at 10:34, xxxxxxxx wrote:

                  Does everything else than Best 16x16 equal None in the AA settings or are the edges just less AA'd the less AA you have set in there? Could you post a complete ray creation algorithm (not necessarily your real one) that shows the problem? I always got somewhat decent AA when I tried.

                  1 Reply Last reply Reply Quote 0
                  • H
                    Helper
                    last edited by

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

                    On 31/03/2006 at 10:37, xxxxxxxx wrote:

                    According to the developers VIDEOPOST_CUSTOMLENS will always force the Best AA setting (same as with QTVR, since no projection of geometry edges is possible). Could that be what you're seeing?

                    1 Reply Last reply Reply Quote 0
                    • H
                      Helper
                      last edited by

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

                      On 03/04/2006 at 11:41, xxxxxxxx wrote:

                      Probably...
                      The AA Best 16x16 or no AA both make a perfect render. But using other options all the edges suffers from aliasing...
                      It isn't very perceptible but he problem is there...
                      I don't known if you already seen this problem nor if it possible to solve...
                      Other question, is possible to invalidate one ray in MSG_VIDEOPOST_CREATERAY?
                      By other other words, don't render one specific ray, or give it a color, like black.
                      thanks
                      Marco Silva

                      1 Reply Last reply Reply Quote 0
                      • H
                        Helper
                        last edited by

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

                        On 12/05/2006 at 07:34, xxxxxxxx wrote:

                        Hi all!

                        I may have found a bug on CUSTOMLENS, when I set 2 planes, one in front of the other, and the nearest is transparent, the ray generated by CREATERAY doesn't hit the far plane!

                        I think this problem is in CUSTOMLENS code, since transparency seems not to be honored...

                        sdk version: 9.5

                        Thanks
                        Marco Silva

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                        • H
                          Helper
                          last edited by

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

                          On 16/05/2006 at 07:40, xxxxxxxx wrote:

                          Hi again!

                          Ok this problem has been solved in this new release...
                          In 9.6 CUSTOMLENS works fine!

                          Marco Silva

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                          • H
                            Helper
                            last edited by

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

                            On 29/08/2006 at 08:30, xxxxxxxx wrote:

                            Hi all,

                            Again one question about CUSTOMLENS, when I set this flag on my code the post effect "lens effect" simply doesn't render anything...

                            Is this supposed to happend?

                            Cheers,
                            Marco Silva

                            1 Reply Last reply Reply Quote 0
                            • H
                              Helper
                              last edited by

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

                              On 02/09/2006 at 07:33, xxxxxxxx wrote:

                              Yes, it seems like some post effects will not work with a custom lens. I've passed this on to the developers. Thanks for reporting!

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