Mixed render: B&W and color
Moderator: face_off
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I'm sure some of you have seen the artistic photo style before where you have a mostly black & white photo, but some elements of it are color, giving that great contrast. I am wondering how one might render that, so you can set most materials as black and white, but leave some with color. I know you can edit it in Photoshop or similar after, but I was hoping for a solution that just produced the result I was looking for.
You can do this by rendering the Material Id pass, then using it to mask the materials you want B&W in Photoshop. Remember to install the Octane Photoshop plugin to read the multi-later EXR first.
Paul
Paul
Win7/Win10/Mavericks/Mint 17 - GTX550Ti/GT640M
Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke
Pls read before submitting a support question
Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke
Pls read before submitting a support question
Okay, got it all set up, but unsure how to use the masking properly in Photoshop. Particularly is the problem area where I have hair (which I want to become B&W) covering certain clothing (which I want to remain colored) . Never used a color masking like this before, so am not sure how to use it in Photoshop.face_off wrote:You can do this by rendering the Material Id pass, then using it to mask the materials you want B&W in Photoshop. Remember to install the Octane Photoshop plugin to read the multi-later EXR first.
It is covered in the manual at the page https://docs.otoy.com/StandaloneH_STA/S ... Passes.htm and it's sub-topics.
Paul
Paul
Win7/Win10/Mavericks/Mint 17 - GTX550Ti/GT640M
Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke
Pls read before submitting a support question
Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke
Pls read before submitting a support question