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why when i try to plot data on image, the plot exceed the image?

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daniel
daniel 2014-5-5
评论： Image Analyst 2014-5-5
Hello,
while I designed a GUI software, i wrote a function which get as in put the handles of the gui. the function loads image and display it on a axes in the GUI with several plots on it (suppose to..)
now i dont know why but my plots just runs over the image or exceed it without displaying the image with the plots.. This is my code:
axes(results_axes);
hold on
imshow(im);
axis([xmin xmax ymin ymax]);
hold on
endplot(new_edge_points_array(:,2),new_edge_points_array(:,1),'o','MarkerEdgeColor','k','MarkerFaceColor',[0.03 0.96 0.65],'MarkerSize',10)
plot(new_nodes_points_array(:,2),new_nodes_points_array(:,1),'o','MarkerEdgeColor','k','MarkerFaceColor',[0.97 0.41 0.04],'MarkerSize',10)
Example of the final result i want to get:
And this is what i keep getting:
it's probably minor mistake but i couldn't figure what it is
any help guys...Thanks!

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回答（1 个）

Image Analyst
Image Analyst 2014-5-5
Put this line in between the call to imshow() and plot():
hold on;
  2 个评论
daniel
daniel 2014-5-5
already did it, still not working? does it relate to the axis modification maybe?
Image Analyst
Image Analyst 2014-5-5
Try this:
axes(results_axes);
hold off
cla reset;
imshow(im);
axis([xmin xmax ymin ymax]);
axis on;
hold on
then call the plots.

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