making a vector based off ginputs

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michael
michael 2014-11-29
回答： Image Analyst 2014-11-30
Hi i currently have:
figure(04)
imgstates=imread('PartUSA.tif');
imshow(imgstates);
for i=1:11; %For 11 states
[xcord,ycord] = ginput(6);
xstate(i,:)=xcord;
ystate(i,:)=ycord;
end
giving me two 11X6 matrices with the boundaries of 11 states selected.
my issue is now i am supposed to create a 11x1 vector called myStates. where each row in myStates will contain a state name. The state name in each row should correspond to the coordinates in Xstate and Ystate. For example, if the 3rd row in myStates is ‘CA’, then Xstate(3,:) and Ystate(3,:) should contain the coordinates for California’s bounding box.
any help would be greatly appreciated!

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采纳的回答

Image Analyst
Image Analyst 2014-11-30
Put this in the for loop to alert them what state they're supposed to be drawing
promptMessage = sprintf('Please click 6 points for state %s', myStates{i});
titleBarCaption = 'Continue?';
button = questdlg(promptMessage, titleBarCaption, 'OK', 'Cancel', 'OK');
if strcmpi(button, 'Cancel')
continue; % Skip to end of the loop and continue with loop.
end
Then call ginput(), etc. Be aware that Xstate and xstate are different because MATLAB is case sensitive.

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