Create separate style sheets (as JSON files) and apply them to your GeoGebra applets for a consistent look.
GGB Style Sheets run on Python 3.7 and GeoGebra Classic 6.
Create a style sheet as a JSON file (sample_layout.json):
{
"window_height": 800,
"window_width": 1300,
"color_palette": {
"orange" : [255, 127, 0],
"black" : [0, 0, 0],
"white" : [255, 255, 255],
"red" : [255, 0, 0],
"green" : [0, 255, 0],
"blue" : [0, 0, 255]
},
"default_caption_style": {
"tex": true,
"bold": true
},
"background_color": "black",
"axes": {
"color": "white",
"show": true,
"show_ticks": true,
"show_numbers": true,
"positive_axis_only": false
},
"x_axis": {
"color": "white",
"show": true,
"show_numbers": true
},
"font_size": 24,
"line_style": {
"width": 5,
"hidden_style": "dotted"
}
}
Then run inside the repo:
./layouting.py sample_layout.json <GeoGebra file>This will create a copy of the GeoGebra file (adding _layouted to the file name) and apply the style rules specified in sample_layout.json.
-x, --keep_xml: Keep the unzipped GGB file (which is in XML), before and after layouting, for inspection-e, --extract_classes: Reverse-engineer the GGB file to create native Python classes for all the elements. Otherwise, use a list of curated GGB classes-c, --keep_classes: Keep the generated Python code for the extracted classes
GeoGebra files (.ggb) are just zipped XML, much like e. g. .docx. The file is unzipped and its XML content read into native Python objects.
A selection of classes for the GeoGebra elements (Axes, BGColor, GGBScript etc.) are provided in curated_ggb_classes.py. The list is by no means complete. As is and as of now, it will most likely fail on your on GGB files. Alternatively, appropriate classes can be created via a Python code generator that inspects the XML tags (flag --extract_classes).
The style sheet (JSON) is read in similarly as a native Python object. Then the style rules are applied, where conditionals and other computations can be expressed in Python (root GeoGebra object in curated_ggb_classes.py). The result is saved back to XML and zipped up again.