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19 Nov 2014 Contour Plot for Scattered Data Triangular Contour Plot Author: Duane Hanselman

Duane Hanselman

Rick van Rijn

Rick van Rijn

5
27 Oct 2014 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Ben Wu

Ben Wu

good

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22 Oct 2014 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Kenz

Kenz

4
19 Aug 2014 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Andrew

Andrew

very nice!

5
18 Aug 2014 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

kamel kk

kamel kk

good work

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17 Apr 2014 Contour Line Smoothing Smooths contour lines by fitting them with a 2-D spline. Author: Duane Hanselman

Duane Hanselman

Jade Chantrell

Jade Chantrell

Hi Duane, this code is really helpful, but is there a way I can change this function to make it a filled contour plot like the function CONTOURF ? Cheers

5
23 Mar 2014 Quiver plot for scattered data Quiver plots directly from scattered data Author: Duane Hanselman

Duane Hanselman

Guha Prasaanth

Guha Prasaanth

Can this code be used to reconstruct the orientation field of the ridges in a fingerprint???............

4
18 Mar 2014 Extract contour data from contour matrix C Extract contour data created by CONTOUR, CONTOURF, CONTOUR3, and CONTOURC. Author: Duane Hanselman

Duane Hanselman

Giorgos Papakonstantinou

5
27 Dec 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Najim

Najim

5
10 Dec 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Will

Will

nice

5
27 Oct 2013 Spline and Piecewise Polynomial Tool Create, manipulate, differentiate, and integrate splines Author: Duane Hanselman

Duane Hanselman

Philip

Philip

Great code!

5
21 Aug 2013 Contour Plot for Scattered Data Triangular Contour Plot Author: Duane Hanselman

Duane Hanselman

Jon

Jon

Exactly what I was looking for.

5
15 Jul 2013 Extract contour data from contour matrix C Extract contour data created by CONTOUR, CONTOURF, CONTOUR3, and CONTOURC. Author: Duane Hanselman

Duane Hanselman

Ahmed

Ahmed

4
06 Jun 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Justace Clutter

Justace Clutter

I have determined the source of the issue from my previous post...

When using this routine, you must set the RLimits appropriately. If not you might get a result that is difficult to interpret.

5
06 Jun 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Justace Clutter

Justace Clutter

I am having an issue with the mmpolar function. For some reason it is displaying some of the data as a zero radius in the plot while the data never actually goes to zero. I have posted a question and provided examples in a Matlab question. That question can be found at:

http://www.mathworks.com/matlabcentral/answers/78159-strange-artifact-in-mmpolar

I am probably doing something silly, but this seems so simple that I can not see the error... Any feedback would be great!

All of that being said, thank you for the tool! It is fantastic and I have used it for a number of my analyses. Mathwork's should adopt this tool in future releases.

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30 May 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Jose Miguel

Jose Miguel

Duane,
This is an excellent piece of work, I've been using it since 2007. Thank you so much for sharing it.

I think, there might be a couple of little bugs with RLimit, both of them appear when RLimit is set in the call to mmpolar.

1) The RLimit max value seems to be working fine, but the RLimit min value doesn't. The plot results in a polar figure which is not centered at the RLimit min value but to a smaller value.

2) Under the same situation as 1 and when RTickValues are not set, an extra Rho axis line or sometimes just the label, appear outside the outer limit of Theta

Please feel free to contact at josemijauregui@hotmail.com

Thanks
Regards
Jose

5
19 May 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Warwick

Warwick

A comprehensive and well designed list of options. Minor improvement would be one simple example upfront - eg, a conventional geographic plot with North, East South & West labels. I'll be using this contributed function a lot.

5
21 Feb 2013 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Dan K

Dan K

Duane,

Thank you for bringing this back to FEX... I've been using an old version of mmpolar, literally for years, and have found it tremendously useful.. I personally have found the built in polar function to be an impractical joke. Again, Thanks.

5
11 Feb 2013 Gradient for scattered data Compute gradient on triangle faces or their vertices for triangulated data Author: Duane Hanselman

Duane Hanselman

Roman Voronov

Roman Voronov

Attempted to access last(6580); index out of bounds because numel(last)=6579.

Error in trigradient (line 74)
r=tn(first:last(k)); % triangles having k-th vertex

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18 Nov 2012 Comprehensive Polar Plots Polar plots with handle graphics type parameter setting. Includes log radius support. Author: Duane Hanselman

Duane Hanselman

Hipstro Vert

Hipstro Vert

nice work!

5
16 Nov 2012 Improved 2-D Streamlines More comprehensive streamline computation than stream2 in MATLAB. Author: Duane Hanselman

Duane Hanselman

William Thielicke

William Thielicke

Just one additional idea: Many flow vis tools that offer streamlines have a parameter like "terminal speed" or "maximum steps". Integration is cancelled when the speed is below a certain threshold or the nr. of steps are exceeded.

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16 Nov 2012 Improved 2-D Streamlines More comprehensive streamline computation than stream2 in MATLAB. Author: Duane Hanselman

Duane Hanselman

William Thielicke

William Thielicke

Thanks for the submission. I was waiting a long time for a nice streamline function that draws streamlines through a point. But there is one issue: In the PIV analysis of simulated Hamel-Oseen vortices, the streamlines seem to have an infinite length when they reach the vortex cores. MMstream2 does never finish. I added a tic/toc command that cancels the calculation (breaks the "while loops") after a certain time. Maybe you could add something like this? I used the standard settings + the 'on' input.

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07 Nov 2012 Quiver plot for scattered data Quiver plots directly from scattered data Author: Duane Hanselman

Duane Hanselman

Duane Hanselman

Duane Hanselman

Sorry R, but I do not respond to anonymous comments.

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31 Oct 2012 Quiver plot for scattered data Quiver plots directly from scattered data Author: Duane Hanselman

Duane Hanselman

R

R

Thank you very much for your submission. In your example the magnitude of the gradient and trigradient seem to differ. Presumably, it is due to vector scaling. Could you elaborate on this? Accurate scaling is essential of course.

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