MATLAB Answers

What features and improvements do you hope to see in HG2?

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Oliver Woodford
Oliver Woodford on 25 Jul 2014
Commented: Oliver Woodford on 20 Mar 2015
For a long time now, MATLABers have been calling for an improved graphics pipeline. MathWorks have made it clear in the past few years that they are working on such an improvement, which has been codenamed HG2. It may or may not even appear in the next MATLAB release*. When it does arrive, I think it's worth measuring it against the things people have been asking for.
So my question is:
What improvements over the current graphics pipeline would you like to see in HG2?
Please put one improvement per answer, and vote for improvements you also want to see.
*Those of you who have seen the Release Notes for R2014b will already know whether HG2 will make its debut in it. Given the terms of using the prerelease, I couldn't possibly comment.

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Sean de Wolski
Sean de Wolski on 6 Oct 2014
Now that R2014b is out, quite a few of these have been implemented :)

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Answers (18)

Oliver Woodford
Oliver Woodford on 25 Jul 2014
Set a colormap per axes instead of per figure. This would make it much simpler to use multiple colormaps in the same figure.


Oliver Woodford
Oliver Woodford on 25 Jul 2014
MUCH faster rendering.
For example, MATLAB renders a million points of different colors incredibly slowly. I reckon some well written OpenGL code could perform such an operation 1000-10000x faster. Really.

Oliver Woodford
Oliver Woodford on 25 Jul 2014
Edited: Oliver Woodford on 25 Jul 2014
Support for all fonts, not a limited subset, in vector graphics export.

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Robert Cumming
Robert Cumming on 25 Jul 2014
Better 3d rotation (smoother, faster and more like CAD packages rotation)

Robert Cumming
Robert Cumming on 25 Jul 2014
more consistency across function calls (i.e. in plot you can do:
plot ( axHandle, X, Y, etc.... )
but in text you have to do:
text ( X, Y, 'string', 'parent', axHandle )

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Jan
Jan on 21 Oct 2014
I'd suggest:
plot ( X, Y, 'Parent', axHandle )
Notice that the "smart" form will lead to ambiguities under some circumstances:
plot(X, Y)
If X is scalar and the value of an axes handle, you cannot draw this point. Fortunately handles are not doubles anymore in R2014b.

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Oliver Woodford
Oliver Woodford on 25 Jul 2014
Edited: Oliver Woodford on 25 Jul 2014
Support for transparency and lighting in vector graphics export.

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Robert Cumming
Robert Cumming on 25 Jul 2014
make legend location more intelligent and not on top of the data ;).

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Robert Cumming
Robert Cumming on 25 Jul 2014
when you have a long time series (minutes) with high frequency data (milli-seconds) datetick doesn't work well when you zoom in - the ticks dissappear and it will only let you zoom in so far...

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Robert Cumming
Robert Cumming on 25 Jul 2014
when value goes out of range (listbox) don't hide the control - set the listbox selection to [] (i.e. nothing selected)

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Robert Cumming
Robert Cumming on 25 Jul 2014
Ability to select nothing (i.e. set to []) from a listbox.

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Robert Cumming
Robert Cumming on 25 Jul 2014
Turning on 3d rotation doesn't remove buttonDownFcn callback from other controls

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Oliver Woodford
Oliver Woodford on 28 Jul 2014
Some volume rendering capabilities, similar to voreen.

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Jan
Jan on 21 Oct 2014
I'm waiting for powerful UITREE and UITABLE implementations.

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Oliver Woodford
Oliver Woodford on 20 Mar 2015
Texture mapping of arbitrary meshes. See this question.

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