Published
Signed Distance Fields
Recently I heard from a MATLAB user who was trying to draw tubes along a curve using this blog post I wrote a while back....
10 years ago
Submitted
Making Things Move
Some techniques for getting good performance in 3D animations
10 years ago | 4 downloads |
Submitted
Using MATLAB Graphics from Simulink
A technique for using MATLAB Graphics from a Simulink simulation.
10 years ago | 1 download |
Answered
How can one remove axis ticks on imagesc but keep labels?
Have you tried setting the length of the ticks to 0? set(gca,'TickLength',[0 0])
How can one remove axis ticks on imagesc but keep labels?
Have you tried setting the length of the ticks to 0? set(gca,'TickLength',[0 0])
10 years ago | 6
Answered
How to create 3D block graphic?
This should give you some ideas on where to start: w = 2; h = 5; d = 1/4; verts = [-w -h -d; ... w -h...
How to create 3D block graphic?
This should give you some ideas on where to start: w = 2; h = 5; d = 1/4; verts = [-w -h -d; ... w -h...
10 years ago | 0
Answered
How to create a smoothed histogram and compute it's derivative magnitude in matlab
If you have the <http://www.mathworks.com/products/statistics/ statistics toolbox>, you might want to consider <http://www.mathw...
How to create a smoothed histogram and compute it's derivative magnitude in matlab
If you have the <http://www.mathworks.com/products/statistics/ statistics toolbox>, you might want to consider <http://www.mathw...
10 years ago | 3
Answered
How to plot section of a vector with a condition
I'm not clear on whether you want to connect across the skipped points, or leave them out. Here's an example that illustrates bo...
How to plot section of a vector with a condition
I'm not clear on whether you want to connect across the skipped points, or leave them out. Here's an example that illustrates bo...
10 years ago | 0
| accepted
Answered
How can I calculate the pixel position in a figure-windows of a 3D object in perspective projection?
I'm afraid that it's rather more complex than just getting the view matrix. Let's walk through an example in detail. I'll as...
How can I calculate the pixel position in a figure-windows of a 3D object in perspective projection?
I'm afraid that it's rather more complex than just getting the view matrix. Let's walk through an example in detail. I'll as...
10 years ago | 2
| accepted
Answered
How to show different views on different axes ?
The simplest is to just create 4 copies of the scene you've made: set(gcf,'Renderer','zbuffer'); load mri.mat; K = s...
How to show different views on different axes ?
The simplest is to just create 4 copies of the scene you've made: set(gcf,'Renderer','zbuffer'); load mri.mat; K = s...
10 years ago | 0
| accepted
Answered
Volume of 3D polyhedron
One option you might look at is <http://www.mathworks.com/help/matlab/ref/alphashape.html alphaShape>. It's similar to convhull,...
Volume of 3D polyhedron
One option you might look at is <http://www.mathworks.com/help/matlab/ref/alphashape.html alphaShape>. It's similar to convhull,...
10 years ago | 4
| accepted
Published
On the Grid
One type of question that I'm often asked is about how to use various visualization techniques with what is sometimes called...
10 years ago
Answered
Question about speeding up line plotting
I did <http://blogs.mathworks.com/graphics/2015/06/09/object-creation-performance/ a post on the MATLAB Graphics> blog a while b...
Question about speeding up line plotting
I did <http://blogs.mathworks.com/graphics/2015/06/09/object-creation-performance/ a post on the MATLAB Graphics> blog a while b...
10 years ago | 0
| accepted
Answered
I want to use unicode transportation symbols on plots.
The syntax is pretty simple. You'll want to use the UTF-16 form, which looks like this: text(.5,.5,['Rocket = ', hex2dec('d...
I want to use unicode transportation symbols on plots.
The syntax is pretty simple. You'll want to use the UTF-16 form, which looks like this: text(.5,.5,['Rocket = ', hex2dec('d...
10 years ago | 0
| accepted
Answered
How can I realize a surface between two circles plotted in 3D that not have the same centre?
There isn't a built-in for this. There's <http://www.mathworks.com/matlabcentral/fileexchange/21951-cone/content//Cone.m one on ...
How can I realize a surface between two circles plotted in 3D that not have the same centre?
There isn't a built-in for this. There's <http://www.mathworks.com/matlabcentral/fileexchange/21951-cone/content//Cone.m one on ...
10 years ago | 3
| accepted
Answered
Line through polygon using patch
Patch wants to draw closed polygons. If you don't want the line from the end of the second patch back to the beginning, then the...
Line through polygon using patch
Patch wants to draw closed polygons. If you don't want the line from the end of the second patch back to the beginning, then the...
10 years ago | 1
| accepted
Answered
In older versions of Matlab (2014a) when I created multiple plots they appeared one after the other allowing them to be verified briefly before the next appeared. With the new graphics engine (2015a) this is no longer the case, can I get this back?
Add some calls to <http://www.mathworks.com/help/matlab/ref/drawnow.html drawnow>. Before 2014b, there were a lot of cases where...
In older versions of Matlab (2014a) when I created multiple plots they appeared one after the other allowing them to be verified briefly before the next appeared. With the new graphics engine (2015a) this is no longer the case, can I get this back?
Add some calls to <http://www.mathworks.com/help/matlab/ref/drawnow.html drawnow>. Before 2014b, there were a lot of cases where...
10 years ago | 1
| accepted
Answered
How to plot discontinuities with scatteredInterpolant in 3D?
If you have some way of identifying which side of the discontinuity a location is on, then I would set up two scatteredinterpola...
How to plot discontinuities with scatteredInterpolant in 3D?
If you have some way of identifying which side of the discontinuity a location is on, then I would set up two scatteredinterpola...
10 years ago | 1
Answered
contour map from 3-column matrix?
You've got a list of locations and values. Visualizations like contour are showing what happens between the values. To do that, ...
contour map from 3-column matrix?
You've got a list of locations and values. Visualizations like contour are showing what happens between the values. To do that, ...
10 years ago | 1
| accepted
Answered
Legend and for loops
You're saying you call legend([h hh hhh], ...) each time around the loop? That means that each time you're telling lege...
Legend and for loops
You're saying you call legend([h hh hhh], ...) each time around the loop? That means that each time you're telling lege...
10 years ago | 1
Answered
Why is not every Marker filled in my Plot
My guess is that the markers are actually behind the filled grey regions, and your SortMethod is depthsort, and your renderer is...
Why is not every Marker filled in my Plot
My guess is that the markers are actually behind the filled grey regions, and your SortMethod is depthsort, and your renderer is...
10 years ago | 1
Answered
Marker size based on value
The help for scatterm says: scatterm(LAT,LON,S,C) displays colored circles at the locations specified by the vectors LAT...
Marker size based on value
The help for scatterm says: scatterm(LAT,LON,S,C) displays colored circles at the locations specified by the vectors LAT...
10 years ago | 0
| accepted
Answered
create mesh from X,Y
No, meshgrid with 3 inputs is going to give you a 3D grid. You still want a 2D grid for surf. I think that you're just trying to...
create mesh from X,Y
No, meshgrid with 3 inputs is going to give you a 3D grid. You still want a 2D grid for surf. I think that you're just trying to...
10 years ago | 0
Answered
Repositioning multiple subplots - not all plots appearing
If you're setting all of the positions manually, then subplot isn't really doing anything for you. You might consider just calli...
Repositioning multiple subplots - not all plots appearing
If you're setting all of the positions manually, then subplot isn't really doing anything for you. You might consider just calli...
10 years ago | 2
| accepted
Answered
How to plot plate mode shape with thickness
Here's a simple example that might get you started: thickness = .2; [x,y] = meshgrid(linspace(-3,3,40)); % re...
How to plot plate mode shape with thickness
Here's a simple example that might get you started: thickness = .2; [x,y] = meshgrid(linspace(-3,3,40)); % re...
10 years ago | 2
Answered
How to color a range of bins in histogram?
Usually the most robust way is to create two separate histogram objects: x = rand(10000,1); mask = x<.5; bin_edges...
How to color a range of bins in histogram?
Usually the most robust way is to create two separate histogram objects: x = rand(10000,1); mask = x<.5; bin_edges...
10 years ago | 6
Answered
Insert image behind graph
You can use hold to combine two things in the same axes. And you can set the XData & YData of an image to position. Combining...
Insert image behind graph
You can use hold to combine two things in the same axes. And you can set the XData & YData of an image to position. Combining...
10 years ago | 4
| accepted
Answered
Rotate 3D lines in subplots. How do I use camorbit in subplots ?
Subplot returns a handle to an axes. Camorbit accepts a handle to an axes. So you can connect them together like so: ax = g...
Rotate 3D lines in subplots. How do I use camorbit in subplots ?
Subplot returns a handle to an axes. Camorbit accepts a handle to an axes. So you can connect them together like so: ax = g...
10 years ago | 0
| accepted
Answered
How to develop MATLAB code for 3D Voronoi in cubical volume?
What have you tried so far? The <http://www.mathworks.com/help/matlab/ref/voronoin.html voronoin function> is the starting point...
How to develop MATLAB code for 3D Voronoi in cubical volume?
What have you tried so far? The <http://www.mathworks.com/help/matlab/ref/voronoin.html voronoin function> is the starting point...
10 years ago | 0
| accepted
Answered
Guide interface is different inside GUIDE and from running in 2015b
Just a guess because there aren't many details here, but have you checked <http://www.mathworks.com/help/matlab/graphics_transit...
Guide interface is different inside GUIDE and from running in 2015b
Just a guess because there aren't many details here, but have you checked <http://www.mathworks.com/help/matlab/graphics_transit...
10 years ago | 0
Answered
How do I change the font size for text in my figure?
Yes, this can be confusing. Here's what you're probably seeing: figure % Creates a figure set(gca,'FontS...
How do I change the font size for text in my figure?
Yes, this can be confusing. Here's what you're probably seeing: figure % Creates a figure set(gca,'FontS...
10 years ago | 21