newbie please be patient :) green screen background

john-2356381

hi all, i am very very new to Daz3d so your patience is much appreciated.
I created my first spaceship animation that fly's from one side of screen to another. My question is how to i put a solid green background in the back of it so when i render and export as a .mov , it looks like a green screen i can then import into FCPX and key it out.
any other way to accomplish this? i read about exporting as image png sequence , but then how do i import that into FCPX so that its an alpha cannel with clear background , your help is much appreciated.
ty
Jhn

Richard Haseltine

You can change the background colour from the viewport option menu - the button with lines in the top-right corner. However, you would probably do better to render to an image sequence, saving in tiff or png - you will then get real alpha channels and will be able to assemble your animation from the frames in FXCPX directly withoutr needing to subtract a green screen layer. (Rendering to an image sequence also makes it easier to correct problems in isolated frames, or to resume after a crash.)

john-2356381

I have changed the back ground color to green using the view port option menu, it looks fine when i play it , nice green solid background but when i render it to a .mov, the background comes out solid black ? any ideas ?

Jaderail

If your not using the render to frames option you should. Save each frame as a png, they will all be the same so only need to set it once, then all the images in the series will have a BLANK alpha channel as the background layer. Most of the mov codex files that DAZ Studio supports, or the ones I tried, render in the background to its default Black no matter what you set it to in the Render engine.

john-2356381

so, what i am hearing from you is that no matter what i do , if i animate it and send it out a a.mov file my background will always be black? people make animations with all sorts of background , why cant it be a solid color. is there a way of doing this? I find it inplausible that i can not create an object moving in an animation with a green solid background.
help!
John

Jaderail

You CAN use any FREE Editor like VeeDub to take the File series and convert to a Movie format. Then you HAVE a blank background. I never SAVE as movie file for animations in DAZ Studio, I do image series and a editor, VeeDub, to make the Movie file.

Jaderail

For YOU just make, create, a Primitive Plane larger than your background. SET it to the Color GREEN in the Diffuse Channel and then In the Ambient Channel set it to GREEN as well and 100%. And then place it behind your scene. The problems with this is you can get Shadows on that back ground.

The Reason I do Render to series is IF anything goes wrong you LOSE the full animation. If it happens with a Image series I can start just from the last FRAME that was good and not need to start over every time I try to save. DS and SAVE as animation can crash, and does.