Handle graphics

Improving graphics interactivity

Matlab R2018b added default axes mouse interactivity at the expense of performance. Luckily, we can speed-up the default axes.

April 22, 2019 One Comment Read More »

Undocumented plot marker types

Undocumented plot marker styles can easily be accesses using a hidden plot-line property.

March 13, 2019 One Comment Read More »

Plot legend customization

Matlab plot legends and their internal components can be customized using a variety of undocumented properties that are easily accessible.

July 12, 2018 7 Comments Read More »

Auto-scale image colors

Images can be automatically color-scaled for maximum resolution, using the undocumented MarkedClean event.

February 21, 2018 One Comment Read More »

Adding custom properties to GUI objects

It is very easy to add custom user-defined properties and methods to GUI handles and Java references in Matlab.

February 15, 2018 6 Comments Read More »

Customizing axes tick labels

Multiple customizations can be applied to tick labels.

January 24, 2018 5 Comments Read More »

Customizing histogram plots

Basic bar charts and histogram plots can be customized in important aspects.

January 17, 2018 No Comments Read More »

PlotEdit context-menu customization

A combination of Matlab and Java Robot commands to automate a certain animation can be used when we cannot access underlying GUI/graphics code.

December 13, 2017 No Comments Read More »

Customizing contour plots part 2

Matlab contour labels' color and font can easily be customized.

November 12, 2017 11 Comments Read More »

Tips for accelerating Matlab performance

My article on "Tips for Accelerating MATLAB Performance" was recently featured in the September 2017 Matlab newsletter digest.

October 5, 2017 2 Comments Read More »

Yair Altman (1 day 8 hours ago): Ren – This is usually the expected behavior, which avoids unnecessary duplications of the Excel process in CPU/memory. If you want to kill the process you can always run...
Yair Altman (1 day 22 hours ago): When you use plot() without hold(‘on’), each new plot() clears the axes and draws a new line, so your second plot() of p2 caused the first plot() line (p1) to be...
Cesim Dumlu (8 days 5 hours ago): Hello. I am trying to do a gradient plot for multiple functions to be displayed on the same axes and each one is colorcoded by respective colordata, using the same scaling. The...
Yair Altman (16 days 9 hours ago): @Veronica – you are using the new version of uitree, which uses HTML-based uifigures, and my post was about the Java-based uitree which uses legacy Matlab figures. For...
Veronica Taurino (16 days 9 hours ago): >> [txt1,txt2] ans = ‘abrakadabra’
Veronica Taurino (16 days 9 hours ago): Hello, I am just trying to change the uitree node name as you suggested: txt1 = 'abra'; txt2 = 'kadabra'; node.setName([txt1,txt2]); >> "Unrecognized method, property, or...
Yair Altman (19 days 9 hours ago): The version of JGraph that you downloaded uses a newer version of Java (11) than the one that Matlab supports (8). You need to either (1) find an earlier version of JGraph that...
mrv (19 days 14 hours ago): hello, I used MATLAB 2019b update9, I have add jgraphx.jar to javaclassapth, and restart matlab, but still got errors below: Warning: A Java exception occurred trying to load the...
xuejie wu (43 days 9 hours ago): Hi: I’m wondering if i can add my customized section or tab ?
Yair Altman (55 days 1 hour ago): @Sagar – use the view(az,el) function to rotate the 3D axes.
Sagar Chawla (55 days 1 hour ago): I want to know how to change the x-axis to the z-axis. I mean the position. Like if there is a 3d animated graph then how to change position of the axis. X-axis in place of...
Ren (55 days 2 hours ago): I noticed that xlsread will create a hidden and never-dying special server that always has priority when actxGetRunningServer is called. So this cause a problem that no matter how many...
Ben Abbott (58 days 17 hours ago): Thanks Yair, it was the second. I didn’t not include the drawnow ()
Yair Altman (58 days 20 hours ago): @Ben – it looks perfectly ok (with color gradient and all) on my R2022a… Perhaps you missed some of the steps (e.g. setting the ColorBinding to 'interpolated') or...
Ben Abbott (58 days 20 hours ago): The graded color is not working for me using R2021a. The plot “HG2 plot line color, transparency gradient” looks exactly like “Transparent HG2 plot...