isofence doc

eurostat · Oct 26, 2023 · e0deafb · e0deafb
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diff --git a/docs/reference.md b/docs/reference.md
@@ -655,9 +655,11 @@ See [this example](https://eurostat.github.io/gridviz/examples/styles/side_conto
 
 ### Isometric fence style
 
-See [this example](https://eurostat.github.io/gridviz/examples/styles/isofence.html) ([code](https://github.com/eurostat/gridviz/blob/master/examples/styles/isofence.html)).
+[![Isometric fence style](img/styles/isofence.png)](https://eurostat.github.io/gridviz/examples/styles/isofence.html)
+
+This style shows the composition of a total quantity into categories as vertical cross-sections oriented toward North-South and East-West. It is an alternative to [composition style](#composition-style). It may also be seen as a bi-directional [joyplot style](#joyplot-style). This style was inspired by the [USGS geologic isometric fence diagrams (1953)](https://pubs.usgs.gov/pp/0228/).
 
-Documentation coming soon.
+See [this example](https://eurostat.github.io/gridviz/examples/styles/isofence.html) ([code](https://github.com/eurostat/gridviz/blob/master/examples/styles/isofence.html)).
 
 ## Esthetic styles
 

diff --git a/src/TODO.txt b/src/TODO.txt
@@ -1,5 +1,4 @@
-isometric fence diagstyle: document
-adapt line to angle - vanish when +-90
+isometric fence style: document + little bug for angle < -90 ?
 
 
 stretching - check rev/pow correspondence. add new one for diverging, see d3.scale. with invert