Witryna在 imshow 函数后和 title 函数之前更新属性值。 I = imread( "peppers.png" ); imshow(I) ax = gca; ax.PositionConstraint = "outerposition" ; title( "Peppers" ); 如果使用 Parent … Witryna23 paź 2024 · you should try with figaspect. It works for me. From the docs: Create a figure with specified aspect ratio. If arg is a number, use that aspect ratio. > If arg is an array, figaspect will determine the width and height for a figure that would fit array preserving aspect ratio. The figure width, height in inches are returned.
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Witryna10 mar 2024 · Using imshow (), set (gca, 'YDir', 'normal'), and ginput () I'm having a hard time dealing with the following issue. My intention is to set the Y direciton to normal in … Witryna这是通过matplotlib提供的一个api,这个plt提供了很多基本的function可以让你很快的画出图来,但是如果你想要更细致的精调,就要使用另外一种方法。. plt.figure(1) plt.subplot(211) plt.plot(A,B) plt.show() fig, ax = plt.subplots (): 这个就是正统的稍微复杂一点的画图方法了 ... in britain book identifier in a library shelf
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Witryna31 mar 2024 · It's as easy as that really, but as I always advise people it is better if you use explicit axes handles for things e.g. Theme Copy hFig = figure; hAxes = axes ( figure ); % I usually use figure; hAxes = gca; here, but this is even more explicit. hImage = imshow ( imageData, 'Parent', hAxes ); title ( hAxes, 'Some title or other' ); function testClicks img = ones (300); % image to display h = imshow (img,'Parent',gca); set (h,'ButtonDownFcn', {@ax_bdfcn}); function ax_bdfcn (varargin) a = get (gca,'CurrentPoint'); x = a (1,1); y = a (1,2); At this stage the variables x and y only "live" inside ax_bdfcn . How can I make them available in the testClicks function? Witryna1 lip 2024 · The gca () function in pyplot module of matplotlib library is used to get the current Axes instance on the current figure matching the given keyword args, or create one. Syntax: matplotlib.pyplot.gca (\*\*kwargs) Parameters: This method does not accepts any parameter. Returns: This method does not return any value. inc type