# Plotting/Charting tools for a LARGE set of points (25k+)

**URL:** <https://www.ruby-forum.com/t/plotting-charting-tools-for-a-large-set-of-points-25k/127397>\
**Category:** Rails\
**Created:** [January 28, 2008, 10:04pm UTC](https://www.ruby-forum.com/t/plotting-charting-tools-for-a-large-set-of-points-25k/127397 "2008-01-28T22:04:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lucas](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/ba8739/32.png) [@lucas](https://www.ruby-forum.com/u/lucas)\
**Post date:** [January 28, 2008, 10:04pm UTC](https://www.ruby-forum.com/t/plotting-charting-tools-for-a-large-set-of-points-25k/127397/1 "2008-01-28T22:04:59Z")

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I’ve been looking around the web for a plotting tool to use w/ my RoR  
app. I’ve tried already amCharts and PlotKit, and I know about the  
existence of XML/SWF, FusionCharts, Gruff, Scruffy, ChartDirector  
(never tested or tried though). The main problem is to find a good  
harmony between good user interaction features (ajax, zoom  
capabilities, many selectable data series in a plot etc) and the  
ability to deal with a large set of points (25k+). amCharts would be  
almost perfect, but w/ more than 3k points it gets quite slow. I  
wanted some tool that when the graph is totally zoomed out, showed  
only a few points, enough to get an idea, and showed the other points  
only when it was zoomed in enough. Any clues? I would be willing to go  
“the proprietary way” if there is a good solution there… =) thanks a  
lot in advance.