PARAM-O Editor

PARAM-O Editor is the place where you create or modify your scripts.

https://helpcenter.graphisoft.com/wp-content/uploads/archicad-24-reference-guide/param-o/editor_parts.png 

Parts of the editor dialog:

Node Tree

Editor Canvas

Model Preview

Node Tree

On the left side of the editor, you can find the available nodes. You can create a new node by double-clicking on it or by dragging and dropping it to the editor canvas.

Editor Canvas

The canvas is the main part of the editor. Here you can edit your script by connecting nodes and setting node parameters.

Model Preview

On the right side of the editor, you see the object preview. Please note that the preview is not exactly the same as what you will see in Archicad. Here are some limitations:

No texture handling. Every object appears with the base color of the surface.

No edge rendering. You can set the pen color, but the edges won't be visible in the preview.

Limited transparency handling. You can see transparent surfaces in the preview, but Archicad has a much better transparency handling method.

You can modify the grid visibility and settings from the preview's context menu.

Automatic and Manual Preview

At the bottom-left corner of the editor, you can switch the preview mode between automatic and manual. In automatic mode, the preview is updated if anything changes in the editor. But with large models, updating the preview may be time-consuming. In this case, you can switch to manual mode and rebuild the model only when needed, using the Update button.

Unit handling

Currently, every number value is in meters. If you use the Length node, then the parameter will appear in Archicad taking the working unit settings into account, but you still have to think in meters during editing.

Hotkeys

You can use the following hotkeys in the editor:

Ctrl+A: Select all nodes

Ctrl+C: Copy the selected nodes to the clipboard

Ctrl+V: Paste nodes from the clipboard

Ctrl+Z: Undo the last modification

Ctrl+Y: Redo the last modification

Ctrl+T: Open settings dialog for selected nodes

Ctrl+G: Group selected nodes

Ctrl+B: Rebuild the preview (in case of manual rebuild mode)

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