Hi all,
I'd like to plot a diagram that contains different graphs. Since the
diagram has to help visually the reader, it is important to add symbols
and visual guides that show the relations between the different graphs.
A typical example would be a diagram consisting of three graphs (let's
call them A, B, C), which correspond to the same given function for
three different parameters. Apart from the graphs, the diagram would
contains arrows that indicate the direction of increasing values of the
parameter:
A -> B -> C
------->
(the example is silly, but I hope the idea is clear).
For me the most natural way to proceed would be to generate separately
the three plots, without specifying their absolute position in the
canvas, and afterwards stroke them as mere objects. It would be in this
last step where I would specify the positions. The pseudocode would
look like:
A = generate_graph(parameter=0)
B = generate_graph(parameter=1)
C = generate_graph(parameter=2)
Draw A at position x1 in the canvas
Draw B at position x2 in the canvas
Draw C at position x3 in the canvas
Draw an arrow between A and B
Draw an arrow between B and C
Draw a long arrow below the row of graphs
How would you code this in PyX?
To not stick to this particular example (I apologize for being so
reiterative) I am asking about how to draw a general diagram like
http://pyx.sourceforge.net/gallery/misc/connect.html
but with graphs instad of boxed letters.
I guess PyX is indeed treating graphs as objects that are eventually
stroked in a canvas, but I don't know how to effectively do what I want.
Thanks a lot for your patience and attention,
d
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