Cells: Diagrams

Diagrams used in Cells are created with draw.io.

Edit existing diagrams

Load the .drawio.png or .drawio.svg file directly into draw.io, which you can use in several ways:

• Best: Use the draw.io integration in VS Code.
• Good: Install on MacOS with brew install drawio or download the draw.io desktop.
• Good: Install on Linux by downloading the draw.io desktop.
• Discouraged: Use the draw.io website to load and save files.

Create a diagram

To create a diagram from a file:

1. Copy existing file and rename it. Ensure that the extension is .drawio.png or .drawio.svg.
2. Edit the diagram.
3. Save the file.
4. Optimize images with pngquant -f --ext .png *.drawio.png to reduce their size by 2-3x.

To create a diagram from scratch using draw.io desktop:

1. In File > New > Create new diagram, select Blank diagram.
2. In File > Save As, select Editable Bitmap .png, and save with .drawio.png extension.
3. To improve image quality, in File > Properties, set Zoom to 200%.
4. To save the file with the new zoom setting, select File > Save.
5. Optimize images with pngquant -f --ext .png *.drawio.png to reduce their size by 2-3x.

DO NOT use the File > Export function. The diagram should be embedded into .png for easy editing.

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