moviein (MATLAB Function Reference) |
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Allocate matrix for movie frames Syntax M = moviein(n) M = moviein(n,h) M = moviein(n,h,rect)Description moviein allocates an appropriately sized matrix for the getframe function. M = moviein(n) creates matrix M having n columns to store n frames of a movie based on the size of the current Axes. M = moviein(n,h) specifies a handle for a valid Figure or Axes graphics object on which to base the memory requirement. You must use the same handle with getframe. If you want to capture the axis M = moviein(n,h,rect) specifies the rectangular area from which to copy the bitmap, relative to the lower-left corner of the Figure or Axes graphics object identified by h. rect = [left bottom width height], where left and bottom specify the lower-left corner of the rectangle, and width and height specify the dimensions of the rectangle. Components of rect are in pixel units. You must use the same handle and rectangle with getframe.Examples Use moviein to allocate a matrix for the movie frames and getframe to create the movie: Z = peaks; surf(Z); M = moviein(20); % Freeze Axes limits axis manual set(gca,'nextplot','replacechildren'); % Record the movie for j = 1:20 surf(sin(2*pi*j/20)*Z,Z) M(:,j) = getframe; end % Play the movie twenty times movie(M,20)See Also getframe, movie[ Previous | Help Desk | Next ] |
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