php - Charting library that offers Linked line chart with dots -

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i'm trying plot data several entities on time.

  • each entity have own line, there several lines.
  • each line connected, it's important dots drawn represent data.

i'm aware of linked bar chart, @ initial inspection, can't seem find 1 offers me ability draw dots. knows library has this? i'm open php, flex, degrafa, whatever else gets job done.

chartdirector it, not free. http://www.advsofteng.com/

i'm sure there others, 1 use.

examples here: http://www.advsofteng.com/gallery_line.html


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