Removed base url to broaden applet scope.

_ext/applet.py

@@ -7,8 +7,8 @@ from sphinx.directives.patches import Figure
 from utils import parse_options, generate_style, ReviewStatus
 
 
-DEFAULT_BASE_URL = 'https://openla.ewi.tudelft.nl/applet/'
-
+#DEFAULT_BASE_URL = 'https://openla.ewi.tudelft.nl/applet/'
+DEFAULT_BASE_URL = ''
 
 class AppletDirective(Figure):
 	option_spec = Figure.option_spec.copy()

content/vectors.md

-(Ch:Interactiveimages)=
+(Ch:Applets)=
 
-# Inteactive images
+# Including applets
 
 ## SVG
 {numref}`Figure %s <Fig:Vectors:AdditionPlane>` shows how you can geometrically add two arrows in a plane. The image is a SVG image rendered in the browser.
@@ -16,11 +16,22 @@ It is of course much nicer if you can interact with the image. One way of adding
 
 
 ```{applet}
-:url: vectors/3Daddition
+:url: https://openla.ewi.tudelft.nl/applet/vectors/3Daddition
 :fig: images/Fig-Vectors-3Daddition.svg
 
 Geometrical interpretation of addition for three-dimensional vectors.
 ```
 
 ## Credits
-Applet developed by Beryl van Gelderen, integration of applet in Jupyter book by Julia van der Kris and Abel de Bruijn, all as part of the [open linear algebra book](https://dbalague.pages.ewi.tudelft.nl/openlabook/index.html) under development by [PRIME](https://www.tudelft.nl/en/eemcs/the-faculty/departments/applied-mathematics/education/prime/).
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+Vector applet developed by Beryl van Gelderen, integration of applet in Jupyter book by Julia van der Kris and Abel de Bruijn, all as part of the [open linear algebra book](https://dbalague.pages.ewi.tudelft.nl/openlabook/index.html) under development by [PRIME](https://www.tudelft.nl/en/eemcs/the-faculty/departments/applied-mathematics/education/prime/).
+
+## HTML files as applets
+
+As we can now integrate other html files (with their own style sheets and JavaScript), the possibilities are endless. I can for example include this simple website on which you can practice your arithmetic.
+
+```{applet}
+:url: https://idemalab.tudelft.nl/rekenapp/
+:fig: images/Fig-Vectors-3Daddition.svg
+
+Arithmetic practice.
+```
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