Re: extensive scatter plot

2010-11-24 Thread Robert Kern
On 11/24/10 9:12 AM, Johannes Korn wrote: Hi, I would like to produce a scatter plot with roughly 200 mio points. Because the points are so numerous I rather need a point density plot. I use numpy. Right now I loop over the individual data points and make a where query on a meshgrid. ind = whe

extensive scatter plot

2010-11-24 Thread Johannes Korn
Hi, I would like to produce a scatter plot with roughly 200 mio points. Because the points are so numerous I rather need a point density plot. I use numpy. Right now I loop over the individual data points and make a where query on a meshgrid. ind = where((x_grid == x_points[i]) & (y_grid == y_po