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Semi-logarithmic Chart: Draws a semi-logarithmic chart from data sets

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Last Updated Ratings Unique User Downloads Download Rankings  
2006-04-26 (8 years ago) RSS 2.0 feedNot enough user ratingsTotal: 639 This week: 2All time: 4,549 This week: 966Up
Version License Categories  
semilogchart 1.0GNU General Public Lice...PHP 5, Graphics
Description Author  

This class can be used to draw a semi-logarithmic chart from multiple data sets.

It is most suited for drawing charts of data sets that have values that grow exponentially.

It can render the linear data set scale horizontally and draw one or more lines from exponential data sets that grow vertically.

The chart image is rendered in the PNG format and is displayed as the current script output. The data set labels and colors are configurable.

Innovation Award  
PHP Programming Innovation award nominee
April 2006
Number 5


Prize: One copy of DWeb Pro Lifetime License
Charts are very useful for sites that need to present data sets in a visual way. The graphical charts help the site users to understand better the meaning of the represented information.

Sometimes the data to be presented grows exponentially. Representing exponential data in a linear chart makes most data points appear condensed on the beginning of the chart.

Semi-logarithmic scale charts are better to represent exponential growing data, as it makes the data appear less concentrated.

This class can be used to draw charts in semi-logarithmic scales, thus making it more adequate to represent data sets that grow exponentially.

Manuel Lemos
Picture of Nasrim Taim
Name: Nasrim Taim <contact>
Classes: 1 package by
Country: United States United States
Age: 45
All time rank: 2643334 in United States United States
Week rank: 839 Up95 in United States United States Up
Innovation award
Innovation award
Nominee: 1x

Screenshots  
  • semilog.PNG
  Files folder image Files  
File Role Description
Plain text file semiLogChart.class.php Class Class to draw semilogarithmic charts
Plain text file stockSample.php Example Example of semilog stock chart

 Version Control Unique User Downloads Download Rankings  
 0%Total:639All time:4,549
 This week:2This week:966Up