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Revision 495
(checked in by cbc, 12 years ago)
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Initial import of Stark code.
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% PAN Mouse-driven pan-around facility. |
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% |
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% PAN Mouse-driven pan-around facility. PAN prompts the user to choose |
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% the new center of the viewing box with the left mouse button |
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% and then shifts the view accordingly. |
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% |
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% Call as: ">> pan" |
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% |
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% Calls: none |
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% |
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% Brian O. Blanton |
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% Curr. in Marine Science |
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% 15-1A Venable Hall |
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% CB# 3300 |
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% Uni. of North Carolina |
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% Chapel Hill, NC |
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% 27599-3300 |
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% |
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% 919-962-4466 |
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% blanton@marine.unc.edu |
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% |
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% get current axis limits |
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OLDXP = get(gca,'Xlim'); |
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OLDYP = get(gca,'Ylim'); |
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% compute width and height of axes |
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width=OLDXP(2)-OLDXP(1); |
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height=OLDYP(2)-OLDYP(1); |
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waitforbuttonpress; |
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Pt1=get(gca,'CurrentPoint'); |
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xcen=Pt1(1,1); |
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ycen=Pt1(1,2); |
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% compute new window extent |
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xmin=xcen-width/2; |
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xmax=xcen+width/2; |
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ymin=ycen-height/2; |
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ymax=ycen+height/2; |
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% set new axis limits |
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set(gca,'Xlim',[xmin xmax]); |
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set(gca,'Ylim',[ymin ymax]); |
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clear OLDXP OLDYP width height xcen ycen xmin xmax ymin ymax |
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