I want to use GUI (or directly the Command Windows) in MATLAB, which displays text. The text contain a few highlighted parts (which are changed during runtime), like this:
Is there any way I can do something liek that with MATLAB?
For command window you could try cprintf.
For displaying in a GUI you can use html formatting - going down this route you may find str2html useful.
Related
When I plot a figure and type greek letter in the title, it looks like
However, when I save the figure as EPS output, the eps file looks like
It's obviously that the Greek letter \xi_p disappears.
Anyone who knows what happened and solutions, please give me a reply.
It would be much grateful.
Best regards,
mike
First I would like to thank KiW for the help.
I found a solution that works with my MATLAB 2014b.
Solution by specifying the interpreter directly in the code
We can set the interpreter-property directly to latex when calling xlabel or title as shamalaima pointed out in a comment:
xlabel('$\xi_{\textrm{p}}$','Interpreter','latex');
title('$\xi_{\textrm{p}}$','Interpreter','latex');
Solution using the property editor
Another way to do it is by using the property editor as follows:
After making the figure, click the white arrow and click the title (or label).
In the Property Editor, change the Interpreter to latex.
After this, choose the Axes. We can now find the title editor in the left bottom side. Just write the title as you do in latex.
Mine would be $\xi_{_\textrm{p}}=1e$-$4a_{_\textrm{ho}}$ in the font of Times New Roman.
It works now in my EPS output.
Using EPS Viewer the symbol is not lost. As you can see in the picture that works perfectly fine. I used:
plot(x,y)
title('\xi _{P}=1e-4a _{ho}')
So I assume it could be a problem of the program you use to open your .EPS file
I think that the best solution is to set the latex interpreter as default:
set(0,'defaulttextinterpreter','latex')
but of course it depends case by case.
If I export my matlab figure as an eps using:
print('myfig','-depsc')
I then open it in another software, in my case Illustrator CS6.
The text appears ok, but what should be a single text box, say a legend entry, is actually multiple text boxes arranged so that it looks like one.
In the image below, the black text is what it looks like first, but I have also shown a copy of the same text, with each text box a different color.
If I want to edit any of this its very difficult as the space will then be messed up. Also if I change the font, the kerning gets messed up.
I have also tried using the text command to place text on the axis, and this also ends up in multiple text boxes.
Is there any way to fix this?
Am I missing something?
Just to be clear, I would like to fix matlab's eps, Not use a different software.
How to copy (to clipboard) only significant part of a plot in Matlab? Without that large gray margins Matlab loves so much?
Is it possible to populate clipboard from Matlab command line?
As far as programmatically populating the system clipboard with image data captured from a Matlab figure goes, you might try Yair Altman's, ScreenCatpture utility on the Matlab File Exchange:
screencapture('handle',gca,'target','clipboard');
It has a lot of options and will allow you to specify a region or an entire figure. It does require Java, i.e., it won't run in '-nojvm' mode. You can read more about it at Yair's Undocumented Matlab site.
Also, you can change the current figure's background color to white before copying it via:
set(gcf,'Color','w');
In the figure window, choose "edit" -> "Copy Figure".
It's equal to Ctrl+C on text, etc., but takes only the main part of the figure. So if you go to word, say, and press Ctrl+V, or RIght Click -> Paste, you will get only the main part of figure, without the gray margins you hate so much...
I'm very new to Matlab, though I know a few other programming languages, so please forgive me if this is something simple. I have not been able to find any answers to this, either on StackOverflow or elsewhere.
I produce a figure using the following code:
figure(6),imageplot(P); drawnow;
Which looks like this:
I then save this image to my computer using the following commands:
imwrite(P, 'images/plot.png');
And the resulting image is tiny, and missing some of the color information:
If, however, I utilize the save function in the open figure (image #1) and save it manually, I get exactly what I want, which is that exact image stored on my computer.
How would I program that? I assumed that imwrite() would just write the image directly, but apparently I'm doing something wrong. Any advice? Perhaps it has something to do with the imageplot command? I cannot seem to get that to work in imwrite.
Update: Based on the comments below, I have begun using "imresize" with the "nearest" option. This scales the image properly, but the resulting image is still curiously darker (and therefore has less information) than if I hit the "save" button in the figure.
Image saved from figure:
Image using "imresize" with "nearest" option:
The MATLAB imwrite command saves exactly the number of pixels as specified in your image matrix. This is the actual result of your computation; the reason the output is "tiny" is because it is supposed to be. To make it larger, would be to simply scale/zoom it as required.
The save figure option however does something quite different: it rasterizes the the output you obtain in the figure window and gives you the option for saving it as an image. This is evident in the fact that when you do so, you obtain a white background in addition to your result which is really just the grey background you see before you save it; this can be adjusted by resizing the figure window before utilizing the save option.
If you're looking to simply make the output figure larger, I would recommend using something along the lines of the imresize command.
Say, if you want the default size to be twice the size of the real result, simply use:
imresize(P, 2.0);
For more options, try help imresize.
The command you need for the "Save As..." functionality of figures is called "print". I often use
print(gcf, '-dpng', 'some_filename.png')
or
print(gcf, '-depsc', 'some_filename.eps','-r0')
to save a figure as it is shown on screen. The format png offers a small filesize and excellent quality, and it is understood by most image viewers and browsers. The eps format is a vector format, which I use for printig. The '-r0' option specifies "use the same size as given by the screen resolution" for the vector format properties.
Is there any way to print the figure to the clipboard so that the quality is identical to what the Edit-->Copy Figure option provides?
I used to save the figure to powerpoint file by using saveppt.m obtained from Matlab Central. It worked well until yesterday. I noticed that the stored image quality was somehow degraded. I tried to re-generate some ppt slides with exactly the same script and the same source data, but the new slides are simply of worse quality.
I investigated into this problem a little bit and discovered that when the figure is copied to clipboard by running print -dmeta, the image in the clipboard is already degraded, while if I use the Edit-->Copy Figure option in the figure window, I get the image as clear as the original image in the figure window.
Following is an example for your reference. I copied the image from a figure to the clipboard by two different methods, and paste it to Microsoft Paint program, and cut a piece of it to show below:
The image using print -dmeta:
The image using Edit-->Copy Figure:
If you compare the Xtick label '50', you may see that the image from Edit-->Copy Figure is smoother.
At the beginning I thought it was a problem of the resolution, but setting -rN to change the resolution does not seem to resolve my problem, at least not for N<=300.
Thank you for your help.
The short answer... Use the same function invoked in the callback for that menu item:
editmenufcn(gcf,'EditCopyFigure');
The longer answer... How exactly did I find this? You can look at my previous answer to a related question about reproducing what is done by a File menu option. The concept is the same, just for a different figure menu. For example, this will find the callback you want for the currently active figure window:
>> hCopyFigure = findall(gcf,'Label','Copy &Figure'); %# Handle for the "Copy
%# Figure" menu item
>> get(hCopyFigure,'Callback') %# Callback invoked when that item is selected
ans =
editmenufcn(gcbf,'EditCopyFigure')
The function EDITMENUFCN is another one of those sparsely documented functions, but looking through the code (by typing edit editmenufcn.m) shows that it either invokes Java (if you're on a Mac) or the undocumented function UIMENUFCN.
I think I found the answer myself. Using print -dmeta -painters to specify the renderer resolves my problem.
In File-->Preference-->Figure Copy Template-->Copy Option I noticed there are 3 options:
Metafile
Preserve information
Bitmap
I found that if I select 1, the Edit-->Copy Figure outputs the same image as print -dmeta. So I kind of confirmed the information I need is in the Preserve information option. A quick google search led me to the discussion about the potential difference of the applied renderer, and eventually I confirmed that using painters will print the image to the clipboard in the way I wanted.
The image in the question seems to be generated by the renderer zbuffer and painters, respectively. I still don't know why the default renderer of paint -dmeta changes, though.