DPlotAdmin Site Admin
Joined: 24 Jun 2003 Posts: 2311 Location: Vicksburg, Mississippi
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Posted: Thu Dec 11, 2003 12:41 am Post subject: Version 1.9.0.8 |
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New versions of DPlot, DPlot Viewer, and DPlot Junior are now available. If you're a licensed user on the mailing list, just follow the same instructions you received in the last update notice. If you're a licensed user not on the mailing list, contact me for more information.
Latest changes:
- Added a simple fix to 3D plots to allow the use of a negative Z scale factor so that the positive Z direction is down in the plot.
- Added an option for all 3D data plots to skip 1 or more legend labels. This may be a handy feature if you like using a large number of contour intervals but don't particularly want the legend to dominate the plot.
- Equal Intervals command previously forced the start and end points of the new curve to be multiples of the interval. And a couple of roundoff problems sometimes caused the output curve to have 1 less data point than expected.
- The elimination of Y=f(Y1,Y2) for the more general Y=f(X,Y1,Y2,...) led to problems with the AddCurves, SubtractCurves, and other macro/DDE commands.
- The new capabilities of interpreting CSV and other multi-column files ended up preventing at least one user from reading his standardized file formats, in that the data was preceded by several header lines consisting of a text string followed by several columns of numbers. In previous versions, DPlot would see that the opening text string was not a number, and so decide that the data must start further down in the file. In version 1.9, DPlot still recognizes the opening text string as a non-numeric field, but doesn't disqualify the line from being a data line as a result. If the file contains at least 3 consecutive lines that contain the same number of columns and the same data type in each column (which this user's file format did), then DPlot decided that this must be where the data starts. In this version, DPlot checks for 20 consecutive lines with the same number of columns and the same data type in each column. This change of course isn't foolproof; the addition of more header lines with the same format would cause the 20-line criteria to find a false match. If this ends up being a problem for anyone we'll add an input that asks the user where the data starts rather than trying to determine this automatically.
- Several file formats were processed using an older Windows API call that limits filenames to 128 characters.
Thanks for everyone's input. If your request isn't in here, it's coming soon. _________________ Visualize Your Data
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