rendering and animation

Support Basics & Interface
1

hello all, i just wanted to ask why when i click render does nothing output, but when i click anim it renders. i have set my output folders but nothingis working.is there a quick way of doing this, thanks all

2

Yes. When you push render it renders to the render buffer (the screen you see that slowly scrolls up) but doesn’t actually save it anywhere. To save the image, you set the image type in the lower right of your render window (PNG, JPG, TGA so on) and set whether you want black and white, RGB, or RGB with Alpha (RGBA). Then just hit F3, or go to file, save image and choose where you want to save it. Easy as pie, but not the most straightforward way, I’ll agree.

3

F11 will ‘recall the last rendered image’ if you accidentally closed the window.

4

Hope you don’t mind me hijacking this thread to ask a potentially stupid question about rendering an animation:
I realise that depending on the detail of the object being rendered, the render time will vary. However, whilst working through various tutorials I’ve began to notice that rendering an animation of about 100 frames where each frame takes about 20 seconds is, well, taking a lot of time…
Is this just something I will have to learn to live with or are there some settings I can tweak to speed it up? I apologise if I am wasting your time with this question, a simple yes or no will suffice.:oThankyou.

5

May seen obvious but… more info you create in your scene=more render time.Some take forever:)

6

For test animations, turn off OSA and things will go faster - but not look quite as nice.

Even faster… OpenGL renders (search for info).

Things that slow it down:
Raytracing
AO
OSA
Subsurf
Verts/Faces
Textures
CPU
…
…

7

I did a search for open GL rendering and found nothing?

8

Thanks for the tips, I’ve made a significant improvement in render time for testing already!

I also searched for OpenGL and found this thread contains things which seem useful in explaining what it is:
http://blenderartists.org/forum/showthread.php?t=68979&highlight=openGL

9

Thanks Prof Chimp. GLSL is bump mapping for video games. I think AndyD meant a renderer that uses your graphics card to speed up rendering times, but I dont think there is one that works with Blender yet.