Example of graph without terminal points
For a line graph, it isn't possible to have a value
associated with y-axis itself. That is, if you have a
series of values along the x-axis, you cannot have a
value associated with x=0.
This makes the graphs look a bit strange when the
value at the first x tick (call it x=1) has a high y value.
Perhaps it is just personal preference, but it did appear
odd looking to me. I've attached a file that shows a
screen shot which might further describe it.
Example of graph without terminal points
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That's right. The old turorial used to explain why this is. But
I didn't have time to redo that section for the new tutorial.
Chart2D graph's category based data, not mathematical
functions. So if your data fits into a table, then Chart2D will
graph it. But the Chart you are talking about does not have
tabular data... so Chart2D doesn't do that. You should use a
library that graphs mathematical functions/data like ptolemy, i
think it's called.
jason