Since I am working on images, I do not want to have axes for all my axes.
I can do by inserting 'axis off' for every figure. But I was wondering if anyone could propose a method to set the axis off for all figure using 'set' and 'gca'.
Check out the list of default properties you can set for your graphics here: http://www.mathworks.com/matlabcentral/newsreader/view_thread/161797
You can accomplish what you need by setting
set(0,'DefaultAxesVisible','off')
before you begin plotting. If you want to do this on a plot-by-plot basis, you can also try
set(gca(), 'Visible', 'off')
Related
I'm working on a custom progress monitor with some graphs. I've noticed that Matlab's waitbar creates a figure with some special properties so that if you do
plot(rand(100,1));
wb = waitbar(0);
plot(rand(100,1));
the second plot ends up replacing the first plot and not in wb. Is there a property I can set so that when I create my progress monitor and then plot something afterwards, the graph doesn't end up in my figure?
To be clear, I'm trying to have
plot(rand(100,1));
temp = MyProgressBar();
plot(rand(100,1));
create a figure for the first plot, create a different figure in the second line, then plot a new graph in the third line.
To protect your progress bar figure against subsequent plotting operations, I would set the 'HandleVisibility' property of its axes to 'off'. That should prevent it ever becoming the current axes, thus keeping subsequent plotting commands from modifying or adding to it. It's a good practice for stand-alone figures/GUIs in general that you turn off the handle visibility of all objects (figure, uicontrols, etc.) in this way to insulate them against being modified by outside code. This is almost certainly what is done in the code for waitbar.
As an additional aside, it's good practice to target your plots to a given axes by passing the axes handle as the first argument. You also have to make sure that, if you want new plots to be added to existing plots, you use things like the hold command first. Here's how I'd rework your example, assuming you want the two plots to appear on the same axes:
plot(rand(100,1)); % Creates new figure and axes
hAxes = gca; % Get the axes handle
hold on; % Allow subsequent plots to be added
temp = MyProgressBar();
plot(hAxes, rand(100,1)); % Will be added to the first plot axes
I created a bank figure using GUIDE and put an axes object inside it and saved the figure. Now I want to load the figure and set its axes as current axes object. This is my code:
close all; clear all; clc;
fh = openfig('test.fig');
ah = findobj(fh, 'tag', 'axes1');
figure(fh);
axes(ah);
plot(rand(10, 1));
But plot creates a new figure and plots in it! Am I missing something?
I know that I can solve it with plot(ah, ...), but I want to make gca to return this new axes. I have a lot of plotting codes that I want to be drawn in this new axes.
By default, HandleVisibility of GUIDE figures is set such that they aren't automatically detected. For example if you load the figure and then call gcf, you'll also create a new figure.
To have the plot be placed within the axes, you can specify the axes explicitly as the parent of the plot command.
plot(rand(10, 1), 'Parent', ah)
Alternately, you could specify that the HandleVisibility of the figure is 'on'. And then plot will be able to find it. This could be done by either setting the value of HandleVisibility using the property editor in GUIDE or calling the set function:
set(fh, 'HandleVisibility', 'on')
I recommend the first option as explicitly specifying the parent axes is always better than implicit.
I am new to GUI. But I have two axes in GUIDE GUI and wish to specify the one to plot a figure, but I can't find handles.axe1 anywhere. Can anyone help me with this?
Since you built your GUI with GUIDE you can easily access the Tag property of each axes in the property inspector.
Once you know the tag of each axes, you can choose where to plot stuff using the first argument of plot:
plot(TagofAxes,x,y)
or using imshow, using the Parent property:
imshow(YourImage,'Parent',TagofAxes)
and so on.
I draw images to axes in my matlab UI, but I don't want the axes and ticks to be visible how do I prevent that, and also where do I make this call?
I do this
imagesc(myImage,'parent',handles.axesInGuide);
axis off;
Is this what you are looking for?
This is definitely somewhere else on this website and in the matlab documentation. Try typing
help plot
Or using the documentation on plotting!
edit: Now that you have shown what you are doing. (You don't need the handles, I just always write them in to clutter my workspace)
myImage = yurbuds0x2Dironman; # don't ask
fH = figure;
iH = imagesc(myImage);
set(gca,'xtick',[],'ytick',[])
Are you able to do it like this?
I support the
set(gca,'xtick',[],'ytick',[]);
approach over the
axis off
one. The reason is set(gca, ...) just removes the labels but keeps the axes, unlike axis off. I am generating a group of images with fixed dimensions to combine later into a video. Deleting the axes creates different size frames that can't be recombined.
I want to clear MATLAB's global CurrentFigure property, because I need a plot that I make to not be overwritten if a careless user uses plot without opening a new figure. I tried
set(0, 'CurrentFigure', []);
But it doesn't seem to work. Is this impossible?
No, this doesn't work.
What does work is set(myFigureHandle,'HandleVisibility','off'). This way, the figure with the handle myFigureHandle will not become the current figure anymore.
To be really safe, you may want to set the axes' handle visibility to 'off', which will hide them from gca. In order to plot into these axes, you'll have to use plot(myAxesHandle,...), though, i.e. you have to explicitly point to the axes if you want to plot there.