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About Hausmann

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    Cafe Ronin

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    Cologne, Germany
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    R20.026 Student

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  1. Thanks for the reply! :) I already found a way with the python effector by applying the method I mentioned above. I'm just not too familiar with the Python SDK so I often struggle to realize some stuff. The idea was to transfer the age of Thinking Particles to MoGraph to use it with the Color Shader. Since - afaik - you can only "transmit" PSR-values I now transfer Age->Scale->Color.
  2. Hey guys, I'm trying to achieve the following using a Python effector: - Having a set of clones with different scales (due to e.g. previous random effector) - reading the current scale-value ("X") of each clone as a 0-1 range - writing X as black/white color to the respective clone So in the end small clones would be black and big clones would be white for example. If you're not familiar with python maybe you can help me in another way: My goal is to generate sparks using Thinking Particles. The sparks shall change their colors along a gradient from white along yellow, red to black. If I could realize the above mentioned approach it would be alright but maybe there's even an easier way to do this. Thanks in advance and have a nice weekend! :) Patrick
  3. Hey guys, here's some footage I want to track: https://youtu.be/mOdj3j0jXtw I've only used the motion tracker once but in my opinion the track points and 3D-reconstruction look good. However I'm facing this problem: To place and scale the world-coordinates I'm using vector- and planar constraints for the motion tracker. Using e.g. a planar-constraint with track points inside the shelf gives me a halfway good Y-axis. Now for the Z-axis I take a vector-constraint with two points of which I know the real distance. The Z-axis is pointing towards the wall behind the shelf. The two axes are now aligned and the missing X-axis is just the result of Y- and Z-orientation. I set the center of my world-coordinates inside the shelf using a position-constraint. But the resulting X-axis is now oriented randomly and is not aligned with the front edge of the shelf. Using two vector-constraints instead of vector+planar gives the same result. So what is wrong here? I'm using a 12mm lens on a MFT-sensor (18mm) which I've also told C4D in the camera settings for reconstruction. Somebody told me to just put everything inside an overall Null and rotate it so the X-axis is right, but then one of the other two axes is wrong again. Another tip was to just move the entire shelf, track the room itself and then add the shelf in 3D but this seems a bit overkill to me. Also I'd like to know how to fix this for future projects. Is it possible that the tracker has problems with lens distortions due to the short focal length of the lens? Thanks in advance! :) Patrick
  4. Thanks for the feedback! For the moment it's just for fun as I am currently working in a much different field. But I'm thinking about maybe changing fields in the future so I thought I'd wrap up the stuff I've done until now; especially to get feedback like yours and estimate my qualities.
  5. Well I hope it is :D I tried different kinds of priorities (Expression, Animation etc.) and different priority-values. But looking at the order of objects/tags in the hierarchy it should already work with every priority set to 0...
  6. Okay, I could solve the kinematic relation by applying some vector math in Xpresso but the constraint problem still remains. I'd really be happy about a solution 'cause I've already had this problem with clamp-mode some time ago and it's an annoying issue -_-
  7. Hey folks, I'm trying to create a mechanism of a rotating lever that pushes a sledge up and down along an axis (see attached screenshot/scene file). To connect lever and sledge I'm using a constraint tag in clamp-mode with two targets. First target is the end of the lever, so that the distance is kept constant. Second target is a Null-object that provides the axis along which the sledge is moving up and down. Now the problem is that the constrained end of the connecting rod (ball-joint) between lever and sledge is moving around randomly and off axis when the driving lever is moved. But when I carry out some mouse clicks into the viewport (so it refreshes) the ball-joint moves to the correct position, step by step. Alternatively (if no further lever-movement is happening) moving some frames forward also corrects the joint's position. Obviously the first calculated values of the constrained tag are inaccurate and improve with each new iteration. I'm pretty shure it's not a priority problem because I already checked that. Unfortunately there is no way of setting up a kind of "steps per frame/iterations per step" for constraints because if it was executed multiply times per frame, everything would be fine. I hope you can help me with this! It's really annoying as the constraints normally are doing a great job and settings this rig up with xpresso would surely be a pain. Cheers! Patrick Simplified_Rig.c4d
  8. On May 18th it's exactly one year since I made my first demoreel. I'm excited now to share a new one with you, featuring projects I made in my spare time since then :) Everything was done in Cinema 4D R18 using Corona Renderer. Post production in After Effects. No 3rd party models, textures or plug-ins used in 3D. Comments and critique are very welcome :) If you like check my artstation to see more of my work: https://www.artstation.com/hausmann
  9. Thanks! You can see my references in the description of the YouTube video.
  10. Thank you! :) My idea was that the gears are turning the axes from beneath the metal plating. But you're right - it would be clearer if one could see an axis directly connected to a cogwheel.
  11. Thank you! :) Yeah I also think that's true. But I couldn't do further detailing in the given timeframe of two weeks... Next time :)
  12. I had two weeks to finish it but I think I started a few days late. So I think it took me about 10 days total.

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