Change linespec of a line using only the figure handle.

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carlas
carlas 2012-5-29
Dear all,
I was wondering how I can change the linespec of a set of lines when I already plotted the lines and only have the figure handle. The figure handle is obtained using h=hgload('bla.fig');
Kind regards,
Carlas

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回答（3 个）

Sean de Wolski
Sean de Wolski 2012-5-29
hAxChild = get(get(gcf,'children'),'children'); %children of the figure's axes
Then figure out which ones are lines etc..
Wayne King
Wayne King 2012-5-29
Can't you just edit plot from the figure window, then click on the line?
Or click on the object and do:
hco = gco;
set(hco,'linestyle','-.');
for example.
  1 个评论
carlas
carlas 2012-5-29
No I cannot because two lines completely overlap and apart from that i would love to know how to access the low level objects for future purposes.
Is there a way to get an array with gcos?

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Walter Roberson
Walter Roberson 2012-5-29
objs = findobj(h, 'Type', 'line');
However, there might be lots of lines and you probably only want to change the width or color or style of some of them. If you were to examine a line object or lineseries object in isolation, would you be able to tell whether it is the one you want to change?

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