Plot points in a 3D Scatter Plot

to matplotlib-use.
Hi,

  I have a data set that is composed of x,y,z coordinates of the center of
cells and counts of objects in each contained in cell. I am using the
following code to do a scatter plot of the counts per cell.

ax = fig.add_subplot(111, projection='3d')
ax.scatter(Xa, Ya, Za, zdir='z', s=C, c='b')
ax.set_xlabel('X Label')
ax.set_ylabel('Y Label')
ax.set_zlabel('Z Label')
plt.show()

Where Xa, Ya, Za, are arrays containing the cell centers, and C is an array
of counts per cell. Below is a plot I did where the blue circles represent
the "size in points^2. It is a scalar or an array of the same length as x
and y."(Quote from docs). What I would like to do is have the plot show
the actual number of counts as points in the plot. Is such a thing possible?
Thanks

Best,
Khary

http://old.nabble.com/file/p33990025/3D_2.png

···

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Khary,

···

On Sun, Jun 10, 2012 at 3:30 PM, surfcast23 <surfcast23@…287…> wrote:

to matplotlib-use.

Hi,

I have a data set that is composed of x,y,z coordinates of the center of

cells and counts of objects in each contained in cell. I am using the

following code to do a scatter plot of the counts per cell.

ax = fig.add_subplot(111, projection=‘3d’)

ax.scatter(Xa, Ya, Za, zdir=‘z’, s=C, c=‘b’)

ax.set_xlabel(‘X Label’)

ax.set_ylabel(‘Y Label’)

ax.set_zlabel(‘Z Label’)

plt.show()

Where Xa, Ya, Za, are arrays containing the cell centers, and C is an array

of counts per cell. Below is a plot I did where the blue circles represent

the "size in points^2. It is a scalar or an array of the same length as x

and y."(Quote from docs). What I would like to do is have the plot show

the actual number of counts as points in the plot. Is such a thing possible?

Thanks

Best,

Khary

I think this example might be what you are looking for:

http://matplotlib.sourceforge.net/mpl_toolkits/mplot3d/tutorial.html#text

Cheers!
Ben Root

Thanks Ben I will check it out

Benjamin Root-2 wrote:

···

Khary,

On Sun, Jun 10, 2012 at 3:30 PM, surfcast23 <surfcast23@...287...> wrote:

to matplotlib-use.
Hi,

I have a data set that is composed of x,y,z coordinates of the center of
cells and counts of objects in each contained in cell. I am using the
following code to do a scatter plot of the counts per cell.

ax = fig.add_subplot(111, projection='3d')
ax.scatter(Xa, Ya, Za, zdir='z', s=C, c='b')
ax.set_xlabel('X Label')
ax.set_ylabel('Y Label')
ax.set_zlabel('Z Label')
plt.show()

Where Xa, Ya, Za, are arrays containing the cell centers, and C is an
array
of counts per cell. Below is a plot I did where the blue circles
represent
the "size in points^2. It is a scalar or an array of the same length as
x
and y."(Quote from docs). What I would like to do is have the plot show
the actual number of counts as points in the plot. Is such a thing
possible?
Thanks

Best,
Khary

I think this example might be what you are looking for:

http://matplotlib.sourceforge.net/mpl_toolkits/mplot3d/tutorial.html#text

Cheers!
Ben Root

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