PHP圖表庫 JpGraph

JpGraph是一個面向對象圖形創建函數庫。可用它來生成柱狀圖，餅狀圖，甘特圖，網狀圖等常用到的一些圖形。支持的圖片格式有GIF，JPG和PNG。

Chart Gallery

Line / Area

• Line Plots
• Filled Line Plots
• Step Line Plots
• Line Plots With Markers
• Line Plots With Inverted Y-axis
• Line Plots With Values

Bar

• Standard Bar plots
• Horizontal Bar plots
• Adding backgrounds and patterns to bar plots
• Combined Line and Bar plots

Pie

• Pie Plots
• 3D Pie plots
• Exploding Pie plots

Scatter

Impluse

Field

Splines

Geo Maps

Stock

Polar

Error

Balloon

Radar

Contour

Others(Pro ver.)

• Web-friendly, average image size for a 300*200 image is around 2K and images are seldomly bigger than 4-5K
• Automatic generation of client side image maps to make it possible to generate drill-down graphs.
• Advanced interpolation with cubic splines to get smooth curves from just a few data points.
• Supports several plot types,spider-plots, pie-charts (both 2d and 3d) , scatter-plots, line-plots, filled line-plots, accumulated line-plots, bar plots, accumulated bar plots, grouped bar plots, error plots, line error plots, box plots, stock plots

• Support for alpha blending
• Has over 200+ built in Country flags
• Supports advanced Gantt-charts
• Flexible scales, supports integer, linear, logarithmic, text (counting) scales and any combinatino thereof on x/y axis
• Supports multiple Y-axes
• Support various layout with a background image behind the plot
• More than 400 named colors
• Extensive documentation with both a > 750 pages tutorial and an extensive class reference.
• Supports internal caching (with timeout) of generated graphs to lessen burden of a HTTP server.

項目主頁：http://www.baiduhome.net/lib/view/home/1322839295265