tidy examples dir, fix typos

cormullion · Apr 21, 2022 · 1912a98 · 1912a98
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Showing 10 changed files with 78 additions and 231 deletions.
diff --git a/docs/src/basics.md b/docs/src/basics.md
diff --git a/docs/src/index.md b/docs/src/index.md
@@ -20,7 +20,7 @@ scientific rigor and mathematical elegance.
 !!! warning
 
 	For mathematical and scientific visualizations, use one of the following Julia
-	packages to display your graphs, rather than this one.
+	packages to display your graphs, rather than Karnak.
 
 	- [TikzGraphs.jl](https://github.com/sisl/TikzGraphs.jl): backend: Tikz/LaTeX
 

diff --git a/docs/src/syntax.md b/docs/src/syntax.md
@@ -7,9 +7,10 @@ using Karnak, Luxor, Graphs, NetworkLayout, Colors, SimpleWeightedGraphs
 ## Overview
 
 Karnak's function for drawing graphs is `drawgraph()`. This
-takes a single argument, a `Graph`, and tries to place it on
-the current Luxor drawing. It uses the current color, scale,
-and rotation, marking the vertices of the graph with circles.
+takes a single argument, a `Graph`, and tries to place
+representative graphics on the current Luxor drawing. It
+uses the current color, scale, and rotation, marking the
+vertices of the graph with circles.
 
 The default display for graphs is:
 
@@ -76,6 +77,9 @@ Usually, if a vector runs out before the vertices and edges
 have been drawn, some `mod1` magic means the values repeat
 from the beginning again.
 
+You can use `drawgraph()` more than once, to build up the
+graph in layers. Remember to use the same layout algorithm.
+
 ## The BoundingBox
 
 The graphics for the graph are placed to fit inside the
@@ -205,7 +209,7 @@ You can use a function with `vertexlabels` to display a vertex; it should accept
 @drawsvg begin
 background("grey10")
 g = smallgraph(:octahedral)
-sethue("purple")
+sethue("skyblue")
 drawgraph(g, layout=stress,
     vertexlabels = (v) -> v ∈ (1, 4, 6) && string(v, "/6"),
     vertexshapesizes = 15,
@@ -264,7 +268,7 @@ To show every other vertex, you could use something like this:
 @drawsvg begin
 background("grey10")
 g = smallgraph(:truncatedcube)
-sethue("slateblue")
+sethue("darkturquoise")
 drawgraph(g, layout=stress,
     vertexlabels = ["1", ""],
     vertexshapesizes = [10, 0])
@@ -277,7 +281,7 @@ When circles and squares don't cut it, supply a function to `vertexshapes`. The
 @drawsvg begin
 background("grey10")
 g = smallgraph(:moebiuskantor)
-sethue("cyan")
+sethue("hotpink")
 drawgraph(g, layout=shell,
     vertexshapes = (v) -> star(O, 15, v+2, 0.5, 0, :fill))
 end 600 300

diff --git a/examples/Untitled2.jl b/examples/Untitled2.jl
diff --git a/examples/Untitled4.jl b/examples/Untitled4.jl
diff --git a/examples/Untitled7.jl b/examples/Untitled7.jl
diff --git a/examples/Untitled5.jl → examples/digraph16.jl b/examples/Untitled5.jl → examples/digraph16.jl
@@ -10,5 +10,7 @@ using NetworkLayout
 	g = complete_digraph(16)
 
 	setline(0.3)
-	drawgraph(g, margin=70, edgestrokecolors = (n, from, to, s, d) -> HSB(rescale(n, 1, ne(g), 0, 360), 0.6, 0.7), edgecurvature = 23)
+	drawgraph(g, margin=70,
+		edgestrokecolors = (n, from, to, s, d) -> HSB(rescale(n, 1, ne(g), 0, 360), 0.6, 0.7),
+		edgecurvature = 23)
 end
diff --git a/examples/example2.jl b/examples/example2.jl
diff --git a/examples/Untitled8.jl → examples/juliaspheres.jl b/examples/Untitled8.jl → examples/juliaspheres.jl
diff --git a/examples/Untitled9.jl → examples/trees.jl b/examples/Untitled9.jl → examples/trees.jl
@@ -1,4 +1,7 @@
-using Graphs
+using Karnak, Graphs, NetworkLayout, Colors
+
+# I started adapting David Sanders https://github.com/JuliaTeX/TreeView.jl
+# but didn't finish
 
 add_numbered_vertex!(g) = (add_vertex!(g); top = nv(g))