Is there a way to change the sizes of scatter plot markers for
mplot3d.Axes3D.scatter3d ? I do
from mpl_toolkits.mplot3d import Axes3D
ax = Axes3D(gcf())
x,y,z = randn(3,20)
ax.scatter(x,y,z,s=30*rand(20))
and I expect to see 20 points of a range of sizes from 1 to 30... but
instead I see them all the same size. How can I set the size of the
markers?
Hi Erik,
with current svn I see markers of different size. What version of matplotlib
you are using?
Kind regards,
Matthias
On Monday 18 January 2010 21:38:25 Erik Tollerud wrote:
Is there a way to change the sizes of scatter plot markers for
mplot3d.Axes3D.scatter3d ? I dofrom mpl_toolkits.mplot3d import Axes3D
ax = Axes3D(gcf())x,y,z = randn(3,20)
ax.scatter(x,y,z,s=30*rand(20))and I expect to see 20 points of a range of sizes from 1 to 30... but
instead I see them all the same size. How can I set the size of the
markers?
Apparently it wasn't recent enough - I updated to the latest svn and
now they are sizing properly - thanks!
Another oddity I've noticed, though - if I do
ax.scatter3D(x,y,z,s=30*rand(20),c=rand(20))
I would expect to see the points colored based on a color map for the
supplied scalar values. Instead, they all appear white. If I do
rand(20,3) , it gives random colors, but that's specifying r,g,b
values instead of scalar mapping. Is there a way to do the color
mapping directly as in the 2D scatter? (If not, it's of course
possible to manually apply the mapping - just less convinient)
On Mon, Jan 18, 2010 at 11:49 PM, Matthias Michler <MatthiasMichler@...361...> wrote:
Hi Erik,
with current svn I see markers of different size. What version of matplotlib
you are using?Kind regards,
MatthiasOn Monday 18 January 2010 21:38:25 Erik Tollerud wrote:
Is there a way to change the sizes of scatter plot markers for
mplot3d.Axes3D.scatter3d ? I dofrom mpl_toolkits.mplot3d import Axes3D
ax = Axes3D(gcf())x,y,z = randn(3,20)
ax.scatter(x,y,z,s=30*rand(20))and I expect to see 20 points of a range of sizes from 1 to 30... but
instead I see them all the same size. How can I set the size of the
markers?------------------------------------------------------------------------------
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Hi Erik,
I can reproduce your finding on my site. Maybe this kind of specifying the
coloring is not yet fully supported. I think Reinier Heeres is the one how
knows almost everything about mplot3D - maybe he can comment on this.
Kind regards,
Matthias
On Wednesday 20 January 2010 00:14:39 Erik Tollerud wrote:
Apparently it wasn't recent enough - I updated to the latest svn and
now they are sizing properly - thanks!Another oddity I've noticed, though - if I do
ax.scatter3D(x,y,z,s=30*rand(20),c=rand(20))
I would expect to see the points colored based on a color map for the
supplied scalar values. Instead, they all appear white. If I do
rand(20,3) , it gives random colors, but that's specifying r,g,b
values instead of scalar mapping. Is there a way to do the color
mapping directly as in the 2D scatter? (If not, it's of course
possible to manually apply the mapping - just less convinient)On Mon, Jan 18, 2010 at 11:49 PM, Matthias Michler > > <MatthiasMichler@...361...> wrote:
> Hi Erik,
>
> with current svn I see markers of different size. What version of
> matplotlib you are using?
>
> Kind regards,
> Matthias
>
> On Monday 18 January 2010 21:38:25 Erik Tollerud wrote:
>> Is there a way to change the sizes of scatter plot markers for
>> mplot3d.Axes3D.scatter3d ? I do
>>
>> from mpl_toolkits.mplot3d import Axes3D
>> ax = Axes3D(gcf())
>>
>> x,y,z = randn(3,20)
>> ax.scatter(x,y,z,s=30*rand(20))
>>
>> and I expect to see 20 points of a range of sizes from 1 to 30... but
>> instead I see them all the same size. How can I set the size of the
>> markers?