Slightly unusual graphical requirements - any advice?!

[mikewheeler]

Dear All,

You will have to forgive my ignorance, I and my colleagues are complete MathCAD novices!

We have successfully managed to export data from our acoustical measurement system, and into MathCAD to plot the data we require. We have a couple of things we want to try and do:

1) Is it possible to force MathCAD to display a graph on logarithmic scales starting and ending from values that are not powers of ten? To explain, we are producing audio frequency response data, and as such would rather display from 20Hz - 20KHz than 10Hz - 100KHz.

2) Is it possible to export the finished graph as an image file - preferably a wmf file with a transparent background? We are looking to import the graph into a graphics package to add it into our product literature, and it would be very nice if it would go over the existing background.

ANy thoughts? I know it's not really an engineering question, but any advice would be greatly appreciated!

Best Regards,

Mike Wheeler
EM Acoustics Loudspeakers

 

[IRstuff]

You can "fudge" the graph, by normalizing the axes, e.g., multiply the frequency by 2 in the graph placeholder for f.

There are a number of graphics viewers such as IRFANViewer that will import pastes from Mathcad and other programs as bitmaps. Transparency is usually a function of your individual graphics package and you should consult your documentation for info on that.

TTFN