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  1. Hey, Ronald, I am wondering if you still have the example hip file available to upload it to let everyone dig more. Thanks.
  2. Hey everyone, I solved the issue, as I delete the all_emission pass, and add the indirect_emission pass, and leave the setting as default value, then I got the reflection pass only from the projected lights on the card for both wave and spray ( particles).
  3. Hey everyone, I'm working on the scene of water effect. I project a texture (.exr format) that there are few spot lights on the image to a grid card through a constant shader, in order to catch the reflection from the projected lights on ocean wave's surface and big spray ( created by millions particles), and there are 4 lights ( envlight, 3 other lights ) in the scene. Then, I render the wave and spray all together. For the moment, the passes I use are: color(RGB), normal, all_emission ( created by Mantra- Extra Image Planes- click " Combined Emission"), depth of field, id. I could do some adjustments in Nuke by using those passes. the lights on the card are reflected on both wave and spray very well on the color(RGB) pass. But on the all emission pass, the lights from projected card are only reflected and restored on wave surface, not on the big spray ( particles). So I couldn't grade them down and up by using this pass. I tried to assign the wave's material to the big spray ( particles ) , it still doesn't work. Does anybody have the same situation, and how can I solve the issue ? I know that I could use other method to grade separately in comp, however, I would like to know the reason. Thanks very much!
  4. R-click of the flipbook with new setting, click the flipbook, there is the audio filename in the window of Render Flipbook, u can upload the audio file here ( .wav ), and also u can offset the audio frame. When u do the flipbook , it will automatically render ur scene with the audio .
  5. BTW, https://www.sidefx.com/tutorials/h13-masterclass-bullet/ here is the link that may help u to understand the constraint network.Good luck !
  6. Here is the one way to make the glue constraint works. J_constraint.hipnc
  7. U can check this video, it may give u some ideas.
  8. u can select the entire back polygons( or delete part of them, or scatter it to points and give some noise) and use them as the source.
  9. Simple Test for attributes transfer by using "solver". J_growing_attr_002.hipnc
  10. use " time warp", eg: the frame range of ur current scene is "1 ~ 120" , so the input range is 1 , 120. coz u want to render backward, so reverse the frame range, so the output range is "120, 1". when u play it in the viewpot , it should play backward. and make sure that the frame range of ur render setting is still from " $RFSTART" to "$RFEND".
  11. Sheridan college, Xuejie Cheng

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