Published
Happy New Year
Happy New YearI hope that you had a great year and that next year is even better for you.Here's a little bit of fluff to...
11 years ago
Published
Down the Tubes (Parametric Curves Part 2)
The ribbons we created last time are nice, but sometimes we want something a bit more solid. Something like a tube.... read...
11 years ago
Answered
How do I plot the contour of a surface at a specific height?
I'm not sure I follow, do you just mean something like this? z=peaks; surf(peaks) hold on contour3(z,'LevelList',2...
How do I plot the contour of a surface at a specific height?
I'm not sure I follow, do you just mean something like this? z=peaks; surf(peaks) hold on contour3(z,'LevelList',2...
11 years ago | 3
| accepted
Answered
trisurf interpolation changed behavior in 2014b
I think I can guess from the picture. If I'm right, you've got CData which is a scalar value per vertex (as opposed to RGB color...
trisurf interpolation changed behavior in 2014b
I think I can guess from the picture. If I'm right, you've got CData which is a scalar value per vertex (as opposed to RGB color...
11 years ago | 1
| accepted
Published
Tie a Ribbon Round It (Parametric Curves Part 1)
Tie a Ribbon Round It (Parametric Curves: Part 1)Parametric curves are easy to draw in MATLAB. For example, we can use the...
11 years ago
Answered
colorbar's color failed with colormap longer than 1024 in scatter
That's usually caused by confusion about how large a texture map the graphics card can handle. Some opengl drivers will sometime...
colorbar's color failed with colormap longer than 1024 in scatter
That's usually caused by confusion about how large a texture map the graphics card can handle. Some opengl drivers will sometime...
11 years ago | 1
| accepted
Answered
please help me to program of this equation of triangular patch bezier
It's sort of the 2D version of the Bézier curve case I discussed in <http://blogs.mathworks.com/graphics/2014/10/13/bezier-curve...
please help me to program of this equation of triangular patch bezier
It's sort of the 2D version of the Bézier curve case I discussed in <http://blogs.mathworks.com/graphics/2014/10/13/bezier-curve...
11 years ago | 3
| accepted
Published
Pretriangulation
PretriangulationAn interesting question went by on MATLAB Answers the other day. I've simplified it a bit here, but it...
11 years ago
Published
What is a Surface?
What is a Surface?What exactly is MATLAB doing when we say the following?surf(peaks)The answer seems obvious. We're telling...
11 years ago
Answered
How to change color in a 3d plot depending from the value in each position?
You can't with plot3, but you can if you use patch. It's not obvious, but you can use patch to draw lines with interpolated colo...
How to change color in a 3d plot depending from the value in each position?
You can't with plot3, but you can if you use patch. It's not obvious, but you can use patch to draw lines with interpolated colo...
11 years ago | 1
Answered
Problem with 'Patch' graphics in 2014b - Splits in two along diagonal
The warning about DrawMode is trying to point you at the issue I described here: <http://blogs.mathworks.com/graphics/2014/11...
Problem with 'Patch' graphics in 2014b - Splits in two along diagonal
The warning about DrawMode is trying to point you at the issue I described here: <http://blogs.mathworks.com/graphics/2014/11...
11 years ago | 4
| accepted
Answered
How do you format rotated text from clabel in MATLAB 2014b?
> Is there any chance you could explain the benefit/purpose of the change to clabel? Primary reason - Bugs. The API of changi...
How do you format rotated text from clabel in MATLAB 2014b?
> Is there any chance you could explain the benefit/purpose of the change to clabel? Primary reason - Bugs. The API of changi...
11 years ago | 2
Published
Highlighting Parts of Charts
Highlighting Parts of ChartsSometimes you would like change how a chart looks in a way which isn’t supported by the...
11 years ago
Answered
Bar width doesn't work
The widths of the bars are calculated from the spacing of the XData. You could calculate backwards from the spacing to come up w...
Bar width doesn't work
The widths of the bars are calculated from the spacing of the XData. You could calculate backwards from the spacing to come up w...
11 years ago | 1
Answered
convert 2d image to 3d
I'm just guessing, but you would get that error message if your image was truecolor. In that case, a would be a MxNx3 variable w...
convert 2d image to 3d
I'm just guessing, but you would get that error message if your image was truecolor. In that case, a would be a MxNx3 variable w...
11 years ago | 0
Answered
How to keep lines on a changing plot ?
Probably the simplest approach would be to save a handle to the image object and then just set its CData when you want to change...
How to keep lines on a changing plot ?
Probably the simplest approach would be to save a handle to the image object and then just set its CData when you want to change...
11 years ago | 0
Answered
How to hide the axes in front of 3D plots
FYI, R2014b added a new BoxStyle property to the axes which controls whether you see those front edges. The default value is 'ba...
How to hide the axes in front of 3D plots
FYI, R2014b added a new BoxStyle property to the axes which controls whether you see those front edges. The default value is 'ba...
11 years ago | 0
Answered
How to do workaround MATLAB crash in set(gcf,'CurrentAxes',ax1)?
From the error message, my guess is that you've got multiple figures, and gcf isn't what you think it is. Perhaps something m...
How to do workaround MATLAB crash in set(gcf,'CurrentAxes',ax1)?
From the error message, my guess is that you've got multiple figures, and gcf isn't what you think it is. Perhaps something m...
11 years ago | 2
Published
SortMethod
SortMethodToday we're going to talk about the SortMethod property which was added to the Axes object in R2014b. It's...
11 years ago
Answered
question about pause function,and real time drawing
There are a couple of suggestions you might try in <http://www.mathworks.com/help/matlab/creating_plots/animation-techniques.htm...
question about pause function,and real time drawing
There are a couple of suggestions you might try in <http://www.mathworks.com/help/matlab/creating_plots/animation-techniques.htm...
12 years ago | 0
Published
Making Things Move
After my post about using MATLAB Graphics from Simulink, Aditya had a great question about using this technique for 3D...
12 years ago
Answered
RGB values for 2014b default colors
The simplest way is the ColorOrder property on the axes. get(gca,'ColorOrder') To get the values without an axes, you ca...
RGB values for 2014b default colors
The simplest way is the ColorOrder property on the axes. get(gca,'ColorOrder') To get the values without an axes, you ca...
12 years ago | 8
| accepted
Answered
Trouble plotting 2D and 3D models of data.
It's trying to say that you've indexed off the end of your array of linestyles. The variable scm contains 6 linestyles. When you...
Trouble plotting 2D and 3D models of data.
It's trying to say that you've indexed off the end of your array of linestyles. The variable scm contains 6 linestyles. When you...
12 years ago | 0
| accepted
Answered
MatlabR2014b no more circle market type in plot
I think that R2013b was actually one of the last releases where this worked, although I think that it did issue a warning the fi...
MatlabR2014b no more circle market type in plot
I think that R2013b was actually one of the last releases where this worked, although I think that it did issue a warning the fi...
12 years ago | 2
Answered
surface data representation (triangulation...?)
The new alphashape command does a pretty good job with this. Here's what I get with the defaults: shp=alphaShape(x,y,z); ...
surface data representation (triangulation...?)
The new alphashape command does a pretty good job with this. Here's what I get with the defaults: shp=alphaShape(x,y,z); ...
12 years ago | 1
Answered
graphic with MatLab R2014b
I'm guessing that h is the handle that was returned when you first called figure. Those used to be doubles, but now they're "rea...
graphic with MatLab R2014b
I'm guessing that h is the handle that was returned when you first called figure. Those used to be doubles, but now they're "rea...
12 years ago | 1
Published
Using MATLAB Graphics from Simulink
Today we're going to take a break from the math behind parametric curves and take a look at using MATLAB Graphics from...
12 years ago
Answered
rotating contourf in r2014b
Sean's right. The rotate command only works on a few types of objects, and you probably want to try hgtransform instead. Tha...
rotating contourf in r2014b
Sean's right. The rotate command only works on a few types of objects, and you probably want to try hgtransform instead. Tha...
12 years ago | 2
| accepted
Answered
Problem with contourf plotting
I think I've seen that one before and that it's fixed in R2014b. If I remember correctly, it had something to do with the wa...
Problem with contourf plotting
I think I've seen that one before and that it's fixed in R2014b. If I remember correctly, it had something to do with the wa...
12 years ago | 1
| accepted
Answered
Graphical method of finding roots g(x) = h(x) ?
The plot command you have is plotting 'x+1' against 'x^3'. I think that what you want is something more like this: plot(x,g...
Graphical method of finding roots g(x) = h(x) ?
The plot command you have is plotting 'x+1' against 'x^3'. I think that what you want is something more like this: plot(x,g...
12 years ago | 0
| accepted