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How do I convert the matlab frames I've generated in the program below to tiff format
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I have developed a program that shows the movement of a circle along the plotted points frame by frame, I found a function that could help me convert the frames to tiff format from http://www.mathworks.com/matlabcentral/fileexchange/23629-exportfig but every time I call the function the program stops generating the frames and I get this error message. Please I really need your help. Thank you
??? Undefined function or method 'print2array' for input arguments of type 'double'.
Error in ==> export_fig at 331 [A, tcol] = print2array(fig, magnify, renderer);
Error in ==> calibrationtweezers_1 at 59 export_fig stack.tif
y_max=50.0;
y_min=-50.0;
%F= (rand(20,10).*10);
N=300;
RandForce = 1030*rand(N,1) .* sign(randn(N,1));% random positions
k= 20.5;
y=RandForce./k;
%r=x_min+(x_max-x_min).*rand(n,1);
y(y_min > y | y > y_max) = 0;
figure (1)
plot(y); % Graphs the Plot
xlabel('frames'); ylabel('Random Positions');
hold on
figure (2)
scatter(1:length(y), y, 90, [0 0 0], 'filled' );
xlabel('frames');
ylabel('Random Positions');
figure('Position', [300 300 300 300])
axlim=10000;
aylim=10000;
for i = 1:length(y)
%fprintf('Frame: %03d\n', i)
b=y
a=2;
plot(a,b,'.','MarkerSize',60)
axis([-axlim axlim -aylim aylim]);
% axis off
end
%aviobj = avifile('microsphere.avi','compression','None');
randommov = figure('Position', [300 300 300 300])
h=randommov;
set(h,'Position',[300 300 300 300])
set(h,'NextPlot','replacechildren')%Make sure each frame
%of the movie is the same size
axlim=10000;
aylim=10000;
N=30;
count=1;
M=moviein(N);
for j = 1:1:N
%fprintf('Frame: %03d\n', i)
b=y;
figure('Position', [300 300 300 300])
plot(a,b(j),'.','MarkerSize',100)
axis([-axlim axlim -aylim aylim]);
title('Microsphere');
S1=sprintf('Frame: %03d\n', j);
text(6,.5,S1)
pause(0.001);
% axis off
M(:,j) = getframe(randommov);
M(count)=getframe(h);
count=count+1;
if j==1
export_fig stack.tif
else
export_fig stack.tif -append
end
end
1 Comment
Image Analyst
on 28 Jan 2013
Edited: Image Analyst
on 28 Jan 2013
Edit your post. Put a blank line before your code. Highlight your code. Click the {}Code icon, then save it. This will format your code nicely. Are you going to make us guess at your error message? Why not make it easy for us to help you and tell us what the error message is?
Answers (2)
Image Analyst
on 28 Jan 2013
I copied and pasted your code. The error message I get, right before you try to call imwrite() is:
Undefined function or variable 'c'.
Error in test (line 80)
if c == 1
So, what is c?
10 Comments
Walter Roberson
on 28 Jan 2013
What directory are you in when you execute this code? If you are in a directory MATLAB is installed in, the directory is likely protected by the operating system.
5 Comments
Walter Roberson
on 28 Jan 2013
Is there an existing tiffstack.tiff file in that directory? If so then delete it and try again.
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