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John Haugabook
b50617e33e
* resolve readme validate * Apply suggestions from code review Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: John Haugabook <johnhaugabook@gmail.com> * rhino3d-scripts: rm reference to deprecated VBScript --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
96 lines
2.7 KiB
Markdown
96 lines
2.7 KiB
Markdown
# Macros, Loading, and Running Scripts
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## Command Macros (no script needed)
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A macro is a string of command-line input. Anywhere Rhino accepts a command (alias, toolbar button, `_ReadCommandFile`), you can place a macro.
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### Syntax rules
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| Token | Meaning |
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|---|---|
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| `!` | **Cancel** any currently running command before this one starts. Always start macros with `!`. |
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| `_` | Use the **English** (invariant) command name, so the macro works in any locale. |
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| `-` | Run the command in **script mode** — suppress dialogs, accept input from the macro string. |
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| `_Enter` | Press Enter at the current prompt. |
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| `Pause` | Stop and wait for the user to supply this input interactively. |
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| `;` | Comment to end of line. |
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| Newline | Same as a space — a separator between tokens, not a command terminator. |
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### Example macros
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```text
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! _-Line 0,0,0 10,0,0
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! _-Circle 0,0,0 5 _Enter
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! _SelAll _Delete
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! _-Properties _Object _Name "MyObject" _EnterEnd _Enter
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! _-RunPythonScript "MyScript.py"
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```
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## Running Saved Scripts
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### Python (`.py`)
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```text
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_-RunPythonScript "C:\Users\example\Scripts\MyScript.py"
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```
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Or, with the script folder on the search path:
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```text
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_-RunPythonScript "MyScript.py"
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```
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`_EditPythonScript` opens the legacy editor; `_ScriptEditor` (Rhino 8) opens the unified editor with Python 3, VB, and C#.
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### RhinoScript (`.rvb`, `.vbs`)
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Two steps: **load** the file (registers its subs/functions), then **run** a named sub.
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```text
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_-LoadScript "MyScript.rvb"
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_-RunScript MyMainSub
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```
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A single `.rvb` can hold many subs; `_RunScript` chooses which to invoke.
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### Search Paths
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`Options → Files → Search paths` — folders listed here are scanned when you reference a script by bare filename. Without this, you must give a full path.
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### Startup Scripts
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`Options → RhinoScript → Startup` (and `Options → Python → Startup`) — files in these lists run once when Rhino opens. Useful for registering custom commands or aliases.
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**Guard against missing document** in startup code:
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```python
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import scriptcontext as sc
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def startup():
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if sc.doc is None:
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return
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startup()
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```
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## Toolbar Buttons & Aliases
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A toolbar button’s **Command** field is just a macro. To make a button that runs your script:
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```text
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! _-RunPythonScript "MyScript.py"
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```
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Set the **Tooltip** to a short description; set the icon via the button editor.
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To create an alias: `Options → Aliases → New`. The alias name becomes a typed command; its value is the macro.
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## Invoking Macros From a Script
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```python
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import rhinoscriptsyntax as rs
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rs.Command("! _-Line 0,0,0 10,0,0", echo=False)
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```
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`echo=False` suppresses command-history output but does **not** suppress prompts — always use `-` and complete every prompt within the macro string.
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