How about different line styles or colors instead of markers?—
Sent from Mailbox

On Thu, May 1, 2014 at 2:10 PM, nertskull <nertsk...@gmail.com> wrote:

> I am trying to create a multipage pdf of about 750 different graphs.
> Each graph has around 5,000 - 15,000 data points, giving me roughly 7
> million points across the pdf.  I make it in a large pdf with a page length
> of about 20 inches, and then plot about 10 graphs to a page.  So I end up
> with basically 75 pages in my pdf.  I'm basically trying to graph a line of
> XY data points.
> The problem, is the pdf is unbearably slow when plotting as a scatter plot
> or as a line with markers.
> If I make a regular line plot, with no markers, just a single line, it is
> plotted and the pdf is fine.  But then it connects my points which I don't
> want.  
> I assume this is all because its making the pdf in vector format.  And when
> I convert it to single lines, I only have ~750 line vectors.  But when I try
> to scatter plot, or line plot with markers, I end up with millions of
> vectors.
> I've tried the 'rasterized=True' and that definitely works.  But the quality
> is really bad.  I need to be able to zoom in close on the pdf and still see
> rough resolution of the points.  
> For clarity, I don't actually need to see each individual points.  The
> graphs have two lines on them, and I just need to be able to distinguish
> between the two lines.  The two lines are just made up of thousands of
> points each.
> Is there anyway to keep scalable vectors and do this?  Or will I just be
> forced to go to a rasterized image file in order to load the pdf in a
> reasonable time.
> Thanks.
> --
> View this message in context: 
> http://matplotlib.1069221.n5.nabble.com/Millions-of-data-points-saved-to-pdf-tp43338.html
> Sent from the matplotlib - users mailing list archive at Nabble.com.
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.  Get 
> unparalleled scalability from the best Selenium testing platform available.
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> Matplotlib-users mailing list
> Matplotlib-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
------------------------------------------------------------------------------
"Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.  Get 
unparalleled scalability from the best Selenium testing platform available.
Simple to use. Nothing to install. Get started now for free."
http://p.sf.net/sfu/SauceLabs
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users

Reply via email to