[求助]如何在gui里的图像上边鼠标划线??

typhoon111 发布于 2007-02-02 15:51， 1144 次点击

I=imread('123.bmp');
figure,imshow(I);
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请问怎样能够在图像上划线,就像在PhotoShop中那样?或者记下鼠标划过的所有像素点?
谢谢!

2 回复

zhangenter2007-02-02 23:23

p=get(gcf,'pos');axes('units','pixels','pos',[0 0 p(3) p(4)],'xlim',[0 p(3)],'ylim',[0 p(4)]);hold on;set(gcf,'doublebuffer','on','windowbuttonmotion','x=get(gcf,''currentpoint'');plot(x(1),x(2),''.'');');

typhoon1112007-02-03 16:33

谢谢!