Plot style '--' in 2014b
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Stephen Politzer-Ahles
el 14 de En. de 2015
Respondida: Spase
el 5 de Jun. de 2016
Plot styles like '--' and ':' are no longer working properly for me after I upgraded to 2014b. Specifically, if I plot a vector that has lots of elements, then it still shows up as a solid line even if I specify a different style. For example, this code yields the image following for me, where in the lower subplot you can see that the line looks like a solid line even though it is supposed to be dashed:
figure; hold on;
vectorlengths = [50 500];
titles = {'short vector' 'long vector'};
for i=1:2
x = linspace(0, 2*pi, vectorlengths(i));
y1 = sin(x);
y2 = cos(x);
subplot(2,1,i); plot(x, [y1;y2], '--', 'LineWidth', 2); title( titles(i) );
end;
It's not quite as simple as that---this problem also is affected by the slope of the line, so for more complicated squiggly lines the style actually changes at different points along the curve, as you can especially see from the green line in the center subplot of this figure and the red line in the left subplot:
What is causing this behavior, and how can I properly control the line styles? What I would like is a dashed line that stays dashed (which is the behavior I got in 2014a and earlier).
Thanks, Steve
3 comentarios
Adam
el 14 de En. de 2015
That is good then. I will add that as an answer then in case other people come to this thread looking for a solution and don't look at all the comments.
Respuesta aceptada
Adam
el 14 de En. de 2015
Try switching to use hardware opengl using:
opengl( 'hardware' )
(More details in my comment to the original question).
1 comentario
David Young
el 14 de En. de 2015
Odd that hardware is OK but software not. It was the other way round for the problem I experienced!
Más respuestas (2)
David Young
el 14 de En. de 2015
I think you should contact MathWorks about this. I've also experienced significant problems with plot() in R2014b (in my case with the '.' style), which they said they were aware of.
0 comentarios
Spase
el 5 de Jun. de 2016
I have Matlab 2015b on Mac, and opengl( 'hardware' ) didn't make any difference.. I still experience the same problem as Steve. Moreover, seems like in Mac 'hardware' is the only option for OpenGL. Spase
0 comentarios
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