Scatter Charts and Regression

Since Version 1.2.1 of flashChart new types of charts is supported, scatter charts. A scatter chart or scattergraph is a type of mathematical diagram using Cartesian coordinates to display values for two variables for a set of data.

The data is displayed as a collection of points, each having the value of one variable determining the position on the horizontal axis and the value of the other variable determining the position on the vertical axis. This kind of plot is also called a scatter plot, scattergram, scatter diagram or scatter graph.

Web Applications with flashChart

I've been asked a couple of times whether it is possible to integrate charts with flashChart in "normal" web applications. This has always been possible however since version 1.2.1 of flashchart it is much easier.

This article describes how to use the interfaces of flashChart for web applications. With a sample application it is explained step by step what is needed to integrate diagrams in Web applications. To understand this article it is necessary to have some basic knowledge of HTML and the scripting language PHP

FlashChart Samples

 

beispielWith the samples provided here, you may get some hints or get some ideas how you could use flashChart. With the lastest releases vou now have lots of options how to setup charts and chart attributes. Please click on the sample image to see it.

FlashChart and Click Events

With a pointing device such as a mouse, clicking a graphical element triggers a "mouse click" event (or click event). FlashChart now with version 1.2.0 is able to handle click events and may trigger actions. Possible are two types of actions:

  1. navigate via "http" or "https" URLs to internal or external websites
  2. execute javascripts

You define these actions on click events with parameters:

  • onclick - relates to chart elements
  • key_onclick - relates to legend (key) items
  • alert_onclick - relates to chart elements where an "alert" has been triggered

Additionly you now may via new parameter "menu" (which will create a chart menu element) request execution of javascripts.

flashChart and modal Windows

Modal windows are intended to grab the user's full attention, once they are called from their parent window. Many interface designers have recently taken steps to make modal windows more obvious and user friendly by darkening the background behind the window or allowing any mouse click outside of the modal window to force the window to close.

Since version 1.1.8 of flashChart you now may show charts, images and other web-contents (html or text) within "modal windows".

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