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André


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Last seen: 5 days ago |  Active since 2018

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addlistener vs. listener
I understand the differences between listener and addlistener. I don't see much utility there, as I always store my listener in ...

8 months ago | 1 answer | 0

1

answer

Question


gamma correction - using MATLAB vs. using hardware settings
I have a 8-bit monitor (or 32-bit it we consider all colors and alpha). Lets say I have a grayscale image, with colors I would ...

8 months ago | 0 answers | 0

0

answers

Question


convert image from double to uint
I have an image, lets say: I = [0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1] I want to convert this image to uint8 and u...

8 months ago | 0 answers | 0

0

answers

Question


dynamic images for temporal dithering
I am trying to test temporal dithering to increase the color depth of my monitor. I dont want to use third party software such a...

9 months ago | 1 answer | 0

1

answer

Question


KeyPressFcn and WindowKeyPressFcn not working
I have a GUI (using the old figure, not uifigure). The figure has a KeyPressFcn to do some action. So I have a pushbutton, and ...

9 months ago | 1 answer | 0

1

answer

Question


can MATLAB render 10-bit images in a 10-bit TV?
Hello, I want to generate grayscale gabor patches with different contrasts. Because I am interested in low contrasts, I want as...

10 months ago | 2 answers | 0

2

answers

Question


how MATLAB determines order of monitors
Does anyone know how MATLAB determines the order of the monitors, when multiple monitors are connected? I did this: >> get(0, ...

10 months ago | 1 answer | 0

1

answer

Question


Detecting circles in noisy images with high intensity variations (must work for all cases)
Hello, Im trying to create a pupil detector. Tue input images have the problem of being noisy and with many intensity variation...

3 years ago | 1 answer | 0

1

answer

Question


ginput and 'CurrentPoint' property do no match real axes coordinates
This is a very strange problem. I am creating a GUI with many overlapping patches objects. I also changed the XLim and YLim prop...

4 years ago | 1 answer | 0

1

answer

Question


edit zoom contex menu
Hello all, Is there any way to edit the zoom built-in conext menu? I want to add an option to exit zoom mode. I dont want to...

5 years ago | 0 answers | 0

0

answers

Question


multi-line edit box behaving as single line
Hello all, I created an edit box. I want it to have 2 lines, but behave if it has only a single line. In other words, I want to...

5 years ago | 0 answers | 0

0

answers

Answered
uitable row name width - why is this SOO wide?!
We are in 2019 and Mathworks still dind't bother doing it...

5 years ago | 3

Question


figure Position property returning incorrect values
I'm trying the create a GUI, so I stared by drawing a figure. However, I am having problems with the position of the components ...

5 years ago | 0 answers | 0

0

answers

Question


Zoom reset of 2 linked axes is not equal and behaves strangely after applying rotate3d
Hello I need to create 2 3D plots in the same figure, and sync their view and axes limits. If I rotate3D the *second* axes, o...

6 years ago | 0 answers | 0

0

answers

Question


Where is the handle of the colormapeditor?
Hello, Anywone knows how can I access the handle of the colormapeditor? I am developing a GUI that calls it and I would like ...

6 years ago | 0 answers | 0

0

answers

Question


custom colormap with missing colors
If I create the following image, with 3 possible values: 1, 2 and 10. im = zeros(128,128) im(1:32,:) = 1 im(33:64,:) ...

6 years ago | 1 answer | 0

1

answer

Question


MATLAB crashs when struct index line is too long
Hello. Somewhere in my script there is a line like this: a = ZData.upsample.(feature2plot).center.(lower(H.BUTTONGOUP_Map_O...

6 years ago | 1 answer | 0

1

answer

Question


uipanel border type problem
I am designing a GUI where I want to nest 2 or 3 panels in such a way they are perfectly aligned. If I run the following code t...

6 years ago | 0 answers | 0

0

answers

Question


wait for colormapeditor to close
Unfortunately the function colormapeditor doesn't accept output arguments. It happens that I need to freeze the program flow unt...

6 years ago | 2 answers | 1

2

answers

Question


text object array being reversed when retrieved from handle
I am building a GUI where I am trying to plot an hexagonal matrix and number each hexagon (see attachment). <</matlabcentral...

6 years ago | 1 answer | 0

1

answer

Answered
Hi, how me forbid to entering characters, other than numbers into edit text in my code
Try something like this: function yourTextEdit_Callback(hObject, eventdata) if ~isempty(str2num...

6 years ago | 0