Re: Chart control for 3D surface and contour plots

From:
"AliR \(VC++ MVP\)" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Thu, 20 Sep 2007 16:34:06 GMT
Message-ID:
<2ixIi.8170$JD.5097@newssvr21.news.prodigy.net>
I have used Nevron chart before, its not the easiest to use, but it looks
pretty good.

http://www.nevron.com/

They have a tool where you can pretty much drag and drop a chart on the
screen and it produces the code that you will need in a couple of different
languages.

AliR.

"Chris" <noemail@none.invalid> wrote in message
news:ttv4f3tdc04fg6pe2jehv9475pvbrcj7uj@4ax.com...

I am looking for a chart control to produce 3D surface (wire-mesn) and
contour plots. This is for use in an VC++ 2005 MFC application, which
is a scientific data acquisition and analysis application. I'm looking
for an activeX control, though a DLL or static library would also be
fine.

There are a number of activeX controls out there, but I'm looking for
one that can handle large amounts of data. I have used Component One
Chart (used to be Apex Chart, before that Olectra Chart). But it gets
very slow once you put more than about 200 x 200 data points in the
grid. I want to have 1000 x 1000 grid points, or more, which would
match the resolution of the original data. You can add that many
points in Component One Chart, but UI response becomes seconds to
minutes!

So: does anyone know of a 3D chart control that can handle this kind
of data?

I'm sure someone will ask the question: "why display that much data,
since you can't see that level of detail on the screen anyway?" Yes,
you can see that level of detail. If you have a contour plot, with
just pseudo-coloring and contour lines, on a 1280x1024 screen you can
see the details of a 1000 x 1000 image. And a 1600x1200 screen is even
larger. Scientific cameras at 1Kx1K are quite common in
instrumentation now.

Thanks for any suggestions.

Chris

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