How to estimate best position(or location) for a small plot in a main plot?
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I have small plot (inset) in a main plot as shown in Figure below. In this example, I have added the small plot using observation.
Is there any way to know the size of empty or available unused area in main plot programmatically?
Image Analyst on 8 Sep 2021
What I'd do is to convert the graph to an image, like with exportgraphics. Then convert it to a binary image. Then use bwdist() in the Image Processing Toolbox to find the place with the max value which is where the circle with the biggest radius could fit into the white space of the graph. Something like (untested)
rgbImage = imread(filename);
grayImage = rgb2gray(rgbImage);
binaryImage = grayImage < 255;
edtImage = bwdist(binaryImage);
maxValue = max(edtImage(:));
[row, column] = find(edtImage == maxValue)
Adapt it as needed. Like once you have the row and column you'll have to figure out how that calibrates to the x and y of your axes.