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pehlivan
Turkey
4 Posts |
 Posted - 05/06/2003 : 2:16:31 PM
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| I am working at an optical laboratory. The x axis of my graphs are, not always but generally, wavelength in nanometers. It will be very good for me if I put a rectangle in the background with varying colors like a rainbow from violet (440 nanometers) to red (750 nanometers). Is it possible to do such a thing using Origin 6.0? |
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edgar.kaiser
Switzerland
29 Posts |
Posted - 05/07/2003 : 03:05:40 AM
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Hi pehlivan,
I would recommend to scan a spectrum, put the image bitmap on your graph and scale it according to your x-axis.
Regards,
Edgar |
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Hideo Fujii
USA
1582 Posts |
Posted - 05/07/2003 : 5:45:56 PM
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Another possibility is to use the Color-Fill Contour graph from a matrix. Set Cell(i,j)=j; and draw the graph. In the Plot Details, click "Level" header, and increase the number of levels to, say, 100. Then Click "Fill" header, and set "Introducing Other Colors in Mixing", and from Violet to Red. (You can also hide all lines.) Click the axis, copy the graph, then paste into your graph (as a new layer). You can shrink the rainbow graph like a stripe.
Colors by this way are not exact based on their frequencies, of course, and it may not be what you require. It's just an idea.
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Rainbow