TrendViewer is a charting and graphing component that you can integrate into your special application for online monitoring (implemented with Visual Basic, Visuall C++ or Delphi) or as Add-On into your SCADA System (WinCC, Intouch, iFix). This ActiveX Control displays up to 512 archived or online data curves with 10-y scales, 2 x-scales, all with linear or logarithmic scaling. X-axis displays time, duration, angle or value. Suitable for applications under Windows 95/Nt 4.0/200/XP. Setup includes online help and test program. Complete demo version free of charge.
TrendViewer 3.0 now offers:
- intrinsic value buffers of up to 512 curves with an unrestricted number of values
- up to 10 y-scales that can be displayed on top of one another
- strip charts in diagrams
- up to 2 x-scales to which groups of curves can be assigned independently.
- time, value and angular scale
- identification of measured points
- dynamic extension lines that are assigned to the scales
- selectable fonts for scale legends
- horizontal inscription of vertical scales
- stroke widths and patterns of curves and rulers are adjustable
You can use TrendViewer in the following manner:
- Double click on the trend area to display the user dialog in which many parameters can be modified.
- Move the cursor with the mouse key pressed down to modify the time or data scale. The curves are updated automatically!
- You can also move the trend area via the mouse. The scales are updated automatically!
- The left or the right margin of the trend area contains a time cursor. Using the mouse to drag the time cursor into the trend area will allow you to read the curve values in the data window.
