How to Use the Compositor in Blender

Get the node editor up., Change to composite nodes., You will see two boxes: 'Render Layer' and 'Composite'., Press space and add a node. , Connect the Render Layers button to the node you just added and that to the Composite node. , Drag from the...

12 Steps 2 min read Medium

Step-by-Step Guide

  1. Step 1: Get the node editor up.

    Click on the window type menu, located on the bottom left corner.

    Select the node editor.
  2. Step 2: Change to composite nodes.

    On the bottom of the node editor, there will be a button with a portrait.

    That is for turning the editor so it will control the render image.

    Click on it.

    Click 'Use Nodes'

    The boxes are called 'nodes'.

    You can resize them, close them, make them smaller, or cut line apart (unplug each other), by dragging a box.

    Unplug the nodes. ,,, It will not work if you plug them to wrong ones (usually). , You may notice something in the rendered image.

    Look at the nodes.

    Your image passed through the Render Layers node, through node(s) and into the Composite node.

    Andrew Price from Blender Guru () Describes compositing as a food factory.

    The rendered image will come from the render layers node, get processed in nodes and come out at the Composite node.

    Things can get added to the food, things can get taken out, or changed.

    The other circles one the nodes that say, for example, alpha or size, are self-explanatory.

    They dynamically control settings. , Some of them, like Blur will be easy to use, others, like Glare will be hard to use.

    Just keep experimenting. , Your editor will start getting crowded.
  3. Step 3: You will see two boxes: 'Render Layer' and 'Composite'.

  4. Step 4: Press space and add a node.

  5. Step 5: Connect the Render Layers button to the node you just added and that to the Composite node.

  6. Step 6: Drag from the 'image' yellow circle on the Render Layers to the 'image' circle of the node

  7. Step 7: same with the node to the Composite.

  8. Step 8: Make a simple scene

  9. Step 9: and render.

  10. Step 10: Add more nodes

  11. Step 11: and change the settings in them.

  12. Step 12: Organize.

Detailed Guide

Click on the window type menu, located on the bottom left corner.

Select the node editor.

On the bottom of the node editor, there will be a button with a portrait.

That is for turning the editor so it will control the render image.

Click on it.

Click 'Use Nodes'

The boxes are called 'nodes'.

You can resize them, close them, make them smaller, or cut line apart (unplug each other), by dragging a box.

Unplug the nodes. ,,, It will not work if you plug them to wrong ones (usually). , You may notice something in the rendered image.

Look at the nodes.

Your image passed through the Render Layers node, through node(s) and into the Composite node.

Andrew Price from Blender Guru () Describes compositing as a food factory.

The rendered image will come from the render layers node, get processed in nodes and come out at the Composite node.

Things can get added to the food, things can get taken out, or changed.

The other circles one the nodes that say, for example, alpha or size, are self-explanatory.

They dynamically control settings. , Some of them, like Blur will be easy to use, others, like Glare will be hard to use.

Just keep experimenting. , Your editor will start getting crowded.

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Steven Stewart

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