I�d like to plot a 3D column graph with a z-axis (sensor data dependend on x
AND y) and x- and y-axis (analyte concetrations). I succeeded doing this as a
scatter graph but for columns origin 5.0 doesn�t accep it and creates always a
graph with 2 data rows.

Any hints would preserve me from a heart attack
thanks

Till,

In regards to 3D column plotting:

Based on the information that you have provided it appears as though you are trying to plot a 3D column graph (in a contour fashion) by going to Plot:3D Charts:Bars. As you have discovered, this does not work successfully. The reason for this has to do with the fact that this particular plot type is designed for two Y columns (not one Z column).

One thing that you might want to try is a conversion of your data into matrix form (Edit:Convert to Matrix) and then a subsequent Plot3D:3D-Color Map Surface. Once you have done this you can double-click on the plot to bring up the Surface Plot Options and select Bars from the Type of Surface section. I would suggest referring to the 3D and Contour manual for directions on how to convert your data to a matrix and plot it. Will this work for you?

If you have any further questions or comments please do not hesitate to call, fax, or Email us here directly at Technical Services. Please include your serial number when corresponding to us directly.

Sincerely,

Ryan Toomey
Technical Services engineer

Microcal Software Inc.����� Tel: +413 586 2013
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