Re: Is there a ready chart plotting view?
Re: Is there a ready chart plotting view?
- Subject: Re: Is there a ready chart plotting view?
- From: John Anderson <email@hidden>
- Date: Fri, 28 Mar 2003 22:03:29 -0500
From: John Anderson <email@hidden>
Date: Fri Mar 28, 2003 22:02:08 America/Detroit
To: Dave Sopchak <email@hidden>
Subject: Re: Is there a ready chart plotting view?
Dave,
This sounds good to me. I do not have a lot time right now to commit
to this, but then again maybe not that much time will be need to get
something basic up and running.
I think that we need to find something like "Source Forge" to host this
project.
I am prepared to commit to writing some algorithms for the generations
of "auto-sized" axis and I can also go through the source of the VisAD
and SGT API for some ideas on how to structure our API (although, I
thought those API were less than intuitive).
Basically, what I am looking for (to start) is some API that will open
up window that displays some 2D data in different colors or symbols on
a 2D graph with "auto-sized" axis that have some "manual" override
features and labels. I would like to be able to select the which data
set is chosen as the input "auto-size" algorithm or select all of them.
Then we have to be able to print the graph. Should I go ahead and set
up a project on Source Forge? What do you want to call this?
Truly yours,
John Philip Anderson
Detroit
On Friday, Mar 28, 2003, at 20:23 America/Detroit, Dave Sopchak wrote:
Oleg and others,
I have been looking for something like this myself. There was a
NextStep class long ago that did this, but searching on the web got me
nowhere. I don't have the name of the class on the tip of my tongue,
but IIRC the last place it was hosted was Stanford.
I'm looking to roll my own class/frameworks for this, I agree that it
would be a real jewel.
Doing some poking around, NSBezier's appendBezierPathWithPoints method
gives us a pretty good head start on graphing data in a view. I've
done some playing around with it already. All we need on top of this
is something to show/define legends and axes values and we're heading
for home.
I would like to make a drag and drop control or view for this as well,
similar to LabView's XY graph...then I can chuck National Instruments
for good. Cocoa is at least as fast as LabView.
Not like I don't have enough spare time projects, but this is on the
short list, and if we team up on this, we could get it done
quicker...maybe ;)
Dave
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