[ Introduction | Installation | Using MultiPlot | Loading data | The iconbar menu | Screenshots ]
[ Full index ]
[ Introduction | Installation | Using MultiPlot | Loading data | The iconbar menu | Screenshots ]
[ Full index ]
What does MultiPlot do?
MultiPlot allows the plotting of a number of graphs on the same set of axes. Suitable data files may be produced using e.g. !GraphDraw, !FnPlotter, or many of Chris Johnson's chemistry related applications. !MultiPlot does not allow the direct entry of data, and does no data processing. It simply combines several graphs onto the same set of scaled axes.
Options for obtaining hard copy exist (saving as a !Draw file, or printing via any standard RISC OS printer driver), and the drawfiles can be exported into any other application that is able to load such files.
MultiPlot provides interactive help in conjunction with !Help or alternatives.
MultiPlot is freely available, and is undergoing continual development. The latest version can be obtained from the author's web site, at http://www.chris-johnson.org.uk/software/. The author is always ready to listen to bug reports, comments and suggestions and will try to implement such suggestions where feasable.
For a new installation, simply drag and drop the MultiPlot application into the directory of your choice.
If you have a previous copy of MultiPlot, then move the old version of MultiPlot somewhere safe and replace it with the new version. Once you are sure the new version is working without problems, the old version may be deleted.
MultiPlot can be run from the desktop in all the standard ways. Double clicking on the !MultiPlot icon in a directory viewer will install its icon on the icon bar.
The application may also be started by double clicking on any !MultiPlot data file in a directory viewer. This will only work if the !MultiPlot application has been 'seen' by the filer, so that the filer knows to run !MultiPlot before loading the file. If the application is started in this way, besides the icon appearing on the icon bar, a graph window will be opened with the contents of the data file displayed.
Double clicking a previously saved MultiPlot file will load it and open a graph window showing the plotted data (assuming the limit of open windows has not been reached). A previously saved data file may also be dragged to the iconbar icon, whereupon the data will be loaded and displayed as above.
Dragging a MultiPlot datafile into an already open graph window will add the data to that which is already present, and the graph will be replotted to show the full data. This allows you to combine two or more sets of data into one graph. The addition of data will only occur if the total number of graph objects does not exceed the limit (32 sets of lines/points).
The iconbar icon menu offers the following options.
Info – this leads to
the standard information window, which also contains a web button,
allowing a quick way of accessing the download site.
Help... – will launch the documentation (this file) in the default browser.
Choices... – will open the application choices dialogue, A full description of the features available is given in the Choices page.
Run FnPlotter – will launch the application FnPlotter if not already running, A full description of the features available in FnPlotteris is given in that application, accessed from the iconbar menu of that application. FnPlotter is a simple application that allows entry of up to four expressions in valid Basic format. These expressions can be evaluated in a form suitable for plotting in !MultiPlot.
Quit – will remove MultiPlot from the iconbar and terminate the program. If there is any unsaved data then a warning will be issued, and the data can be saved or discarded as appropriate. If FnPlotter is running, and the option has been set in Choices, then FnPlotter will be quit at the same time.
All the screen shots in these pages were obtained using Snapper, a versatile screen capture application.
Snapper is available from http://www.chris-johnson.org.uk/software/snap.html
These pages are best viewed in a CSS compliant browser. For RISC OS, Netsurf would be the browser of choice.
MultiPlot is © Chris Johnson, 2014
Email:chris@chris-johnson.org.uk
This document last modified on 15th August 2015