ecGraph --- Introduction
- Powerful multi-award-winning ActiveX (ocx) graphing control.
- Drop it into your Visual Basic programs to create graphs in a
huge range of styles.
- Great for scientific or technical graphs, or any general charting
- Get a graph up and running with just a few lines of code, and manipulate
the graph layout from your programs.
Quick summary of features...
- Easily create scientific, engineering or general graphs within your VB
- Multiple graphs per page
- Copy graph image to clipboard, save to disk as a bitmap file (*.bmp), or
- Click and drag to move or resize graphs on the page
- Zoom and scroll areas of the graphs
- Toggle on/off a full-graph cross-hair that moves with the mouse: vertical,
horizontal, or both
- Multiple x- and y-axes per graph
- Log or linear scales on axes
- Plot data points as symbols, bars, or alphanumeric characters.
- Join data points with straight lines or a cubic spline
- Attach optional labels to each data point
- User-defined formatting of axes, including dates and/or times
- Add text anywhere on the graph, formatted with font, size, bold, italic
- Plot continuous math functions from formulae, like y = sin(x)*exp(-x/10)
- Plot data points against math functions, with optional vertical or
horizontal error bars
- Time series graphs that can update as new data is added
- Configurable grid lines, tick marks, borders, backgrounds
- Legend tables, reverse axes, show/hide labels, transparent backgrounds
- Demo projects supplied to show how all the features work
- Project1 - simple viewer to load and display the demo graphs and the VB
code used to generate them.
- Project2 - comprehensive graph editing program, loads the demo graphs
and lets you edit them on screen
- Hundreds of other features
Using the mouse with ecGraph...
- Left-click and drag: graphs, graph border positions and width, and legend
- Left-click and drag an area of the graph plot area to zoom in
- Right-click to zoom back out again
- Alt-left-click to toggle cross-hair; Alt-right click to select cross-hair
- Shift-left-click to zoom in on cursor position
- Shift-right-click to zoom out a little
Using Events to get feedback from ecGraph...
- Events named Click and KeyPress return (X,Y) coordinates for the current
graph and axes
- Other Event triggers include GraphPositionChanged, GraphScaleChanged,
Contents Variables Events Properties Functions Subs
Copyright © 2006, Encore Consulting Pty Ltd