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Graduate student in chemical engineering. I use MATLAB extensively for data processing and presentation.


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03 Aug 2011 Scalable Vector Graphics (SVG) Export of Figures Converts 3D and 2D MATLAB plots to the scalable vector format (SVG). Author: Juerg Schwizer

Bug report, with a proposed fix:
Legend text "drifts" down and left in SVG's with repeated calls to plot2svg on the same plot. This also affects the plot in MATLAB when it gets redrawn (try maximize + restore on the window).

It is caused by converting the text units to 'Data' on line 2311. Converting between the 'Data' and 'normalized' units will cause the text position value to gradually change (this can be checked by comparing get(text_handle, 'Position') before and after repeated calls to set(text_handle, 'Units', 'data') and set(text_handle, 'Units', 'normalized')).

Proposed fix: keep track of the original position in addition to the original units:
@@ -2305,6 +2305,7 @@
function text2svg(fid,group,axpos,paperpos,id,ax,projection)
global PLOT2SVG_globals;
+originalTextPosition = get(id, 'Position');
if PLOT2SVG_globals.octave
@@ -2363,6 +2364,7 @@
+set(id,'Position', originalTextPosition);

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