Hi, I am playing around with a few of my old scripts in the new Rhino Code Editor on the Mac. I have a colour gradient maker that works when run through the old Tools>PythonScript>Edit , but when I run through Rhino Code it tells me Python.Runtime.PythonException: No module named ‘System.Drawing.Co…

[image] Chris Bamborough: I don’t have an API reference to understand what it can do, does one exist? Have a look at the .NET documentation: [image] System.Drawing Namespace Provides access to GDI+ basic graphics functionality. The System.Drawing.Drawing2D, System.Drawing.Imaging…

System.Drawing is not really cross-platform. You can use Eto.Drawing, defining an own color struct or you use a 3rd party library. Color Structure Represents a color with RGBA (Red, Green, Blue, and Alpha) components

We have our own version of System.Drawing.Color working on Mac. If you have a script that used to work and is now not working, please share it with us. @eirannejad is actively working on this project and we do expect a few bugs to show up during the transition over to Rhino Code.

[image] Chris Bamborough: will the syntax work with Python? Yes, because Rhino ships with Eto as a cross-platform GUI framework (wrapper). Also, you are coding in IronPython (C#/Net written Python) not CPython! This is something you should be aware of. So the answer is definitely yes!

Hi @stevebaer and @eirannejad , I have attached a Cairo Tile gradient script which uses System.Drawing.Color I’ve included the rhino file to compare running both ways. MkngCairoTile.py (8.7 KB) Sandbox.3dm (2.1 MB)

@Chris_Bamborough Change the import System.Drawing.Color to from System.Drawing import Color What is in front of import should be namespaces (usually match the name of containing DLL). In this case Color is a type in the System.Drawing namespace For odd reasons import System.Drawing.Color used to …

Thanks Ehsan, I originally found out about System.Drawing from colleagues, but now that I’m coding on my own I don’t have an API reference to understand what it can do, does one exist?

[image] Ehsan Iran-Nejad: For odd reasons import System.Drawing.Color used to work in IronPython but it is an invalid syntax in Python 3 Seems to be rather correct, because “System.Drawing.Color” is no module, but a struct inside the System.Drawing library/module. Maybe old IronPython support…

In case of namespaces that are spread across multiple dlls, I usually do multiple clr.AddReference to each of those dlls and then import the namespace

No module named 'System.Drawing.Color' in Rhino Code Editor

Scripting

Chris_Bamborough (Chris Bamborough) August 22, 2022, 10:58pm 3

Thanks Tom, I didn’t know about ETO, thankyou. ETO looks like it is C#, VB, F#, will the syntax work with Python?

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No module named 'System.Drawing.Color' in Rhino Code Editor

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