Reference lines may now be added to polar plots. Bug fix: Recent change allowing you to split the date and time into 2 separate lines for calendar date formatting was also applied to point labels, but was not handled well. In this version point labels containing a date and time will display those values on the same line. Bug fix: DPlot would not register a hit on the same mouse-activated point label twice in a row.
In previous versions this group would have been considered a text label, not a date. Bug fix: The "Pick Columns to Plot" dialog didn't set tabstops properly in all cases, so columns were not properly aligned with column headings. Bug fix: Reference line locations were saved to DPlot files with only 6 significant figures.
DLL previous versions sent this data as text; this version sends binary data. So there won't be any loss of precision. This change is primarily useful for plots with date and time values on the X axis, or any other number format with large numbers and a relatively small difference between the minimum and maximum values.
DLL version 2. Eliminated problems in enhanced metafiles with text overlapping legend boundaries, improper subscript and superscript placement, and other text sizing problems.
Enhanced metafiles should also be drawn with the correct dimensions in all Office products assuming the picture will fit within the margins.
Enhanced metafiles produced by previous versions of DPlot were typically much larger in size than the DPlot-specified dimensions, particularly in Excel and PowerPoint. If checked, then when opening a data file for a new document, DPlot will check for a preferences file with the same filename and extension of ".
If found, that preferences file will be processed. This might be a handy option if you have data files which frequently change, but you don't want to go through the same formatting steps each time you open that file. Bug fix: Several years ago DPlot was brought into line with Microsoft's recommendations for file locations. This was important on XP with limited privileges, and critical on Vista. This effected all versions of DPlot, but resulted in a critical problem for the licensed version: license information stored in dplot.
Please reinstall. The error was due to an otherwise harmless change in the Help file. In previous versions constants were only recognized in the text boxes for the main equation s.
This button is disabled unless both Specify Extents and Specify Size are checked. When pushed, the size of the plot is adjusted such that the physical scale of the X and Y values are equal: 1 unit in X will be the same length as 1 unit in Y. This action is not persistent: if you subsequently edit either the extents or the size then this relationship will no longer be true until you push the button again. Added an option to set the maximum number of points per curve for which antialiasing will be performed on XY plots.
This might be useful for users who occasionally plot large data sets for which antialiasing isn't appropriate but who like the antialiasing option for smaller data sets. The default value of points generally works well.
If checked, the coordinates of the point selected with the mouse will be rounded to "nicer" values: one tenth the tick mark interval on linear scales, for example. For Degrees, Minutes and Degrees, Minutes, Seconds number formats, if the "Fixed number" of decimal places is checked and the number of decimal places is 1, then 0 values for minutes and seconds for D,M,S number format are always shown.
If the number of decimal places is 2 or greater, then the minutes and seconds values will be padded with a leading 0 for values between 0 and 9, inclusive. In previous versions 0's were not displayed. In previous versions intervals like 2. In this release if the extents are greater than 15 minutes and less than 2 days, the default interval will be one of 5, 10, 15, or 30 minutes, or 1 or 2 hours. Added an option to split the date and time used with the Calendar or Date and Time number formats into two lines, with the time displayed below the date.
This feature currently works well only on linear scales. On entry, if the difference in extents is 24 hours or greater then the times are presented using the default number format rather than time formatting. If the extents are less than 24 hours and on exit the upper extent is less than or equal to the lower extent, 24 hours is added to the upper extent. Contour Options dialog checks to see if any changes have been made when clicking OK, and does not redraw the plot unless the answer is affirmative.
This will save a bit of time with very large millions of points data sets. Distance from command on the View menu automatically turns on the crosshair cursor, and when done turns it off if it was not previously on. Improved antialiasing for line segments less than 2 pixels long for line widths of pixels. Previous version produced stray pixels in this circumstance. Antialiasing still doesn't work especially well with very short line segments, but this version is a definite improvement.
Bug fix: In dialog boxes allowing dates, times, and equations in text boxes for numeric entries, DPlot only recognized entries as times if the text contained a colon, e. Bug fix: For vector plots, the angles and magnitudes Y values were considered when finding default plot extents "Specify extents" not used. This version properly ignores those data sets when finding default extents. Bug fix: In the "Specify Columns to Plot" dialogs there was a problem with column alignment when adjacent date and time columns were combined into a single date and time value.
Bug fix: Contour intervals were saved to DPlot files with only 4 significant figures. So if your surface plot had Z values ranging from, for example, Upon rereading the file DPlot would then force the intervals to 99 and Bug fix: Corrected a previously untrapped divide by zero error when calculating standard error in List Peaks and List Peaks in Box.
Thank you, Jon Canale. Bug fix: A roundoff error with Fractions number format in isolated cases caused whole numbers to be off by 1, e. Added Repaint DDE command. This command is only useful in applications that force DPlot to draw output to a window owned by the application, using SetOutputWindow.
In previous versions DPlot would remain visible under the same circumstances. Antialiased line segments will have a smoother appearance in this version. Finally, grid line type for tripartite plots was ignored in the previous version; if antialiasing was used then grid lines were solid. Bug fix: If antialiased symbols were used, the line weight used for the symbols was not changed when editing the line width for the curve; only when changing symbols or symbol heights.
Bug fix: Curve selection list boxes were broken for plots that did not use a legend, but did use curve labels label drawn adjacent to the end of each curve. The command launching DPlot in a hidden state was commented out, so that any interaction with DPlot would cause it to become visible and topmost.
First cut at antialiased lines. Please note that this feature is a big performance hit on large data sets 10's of thousands of points , and can take 10x as long to render as the same plot without antialiasing. Primarily for that reason this option is turned off by default with new installations of DPlot. Antialiasing works best for line segments that are several line widths long or longer, and doesn't work well at all for 1-pixel long segments.
ZGrid Add-In command now correctly handles blank cells. Display of Calendar date number format is more consistent. In this version point labels and popup windows will display the time, given those same settings.
Amplitude Limits command now works with bar charts in addition to other XY plot types. Bug fix: For output to the display or to a copied or saved bitmap, X and Y axis labels on horizontal bar charts were not oriented correctly unless the document window was maximized.
Bug fix: The curve indices for fill regions were not updated properly when a curve was erased. So if, for example, a fill area used curve 3 for one boundary and you erased curve 2, the fill area would then use what was previously curve 4 for the boundary.
Bug fix: Fill regions created with the Fill Between Curves command were not clipped to the plot extents correctly in standard and enhanced metafiles. Bug fix: As with the Remove Random Spikes command, fixed in 2. For example if the 2nd curve was hidden and you selected curve 3 to operate on, the operation would be performed on curve 2 rather than curve 3.
Bug fix: A change in version 2. You might have run into this when, for example, creating a plot from scratch with the Edit Data command and hitting Cancel rather than OK. You'd be left with a picture of the Edit Data dialog and a depressed Cancel button. The plot in this case was not redrawn, since there was nothing to draw. If attempting to read one of these files DPlot would not present an error message, but neither would it produce a plot.
In general this bug would only be an issue for developers driving DPlot from another application when that app might produce many hundreds of 2D surface plots in any one session.
Reset the expiration date check for the trial version. If you've previously used the trial you'll be able to use this version for 30 days. The fix for zooming in on logarithmic scales only worked correctly for values greater than 1. With the default extents use as much of the display as possible this might have resulted in numbers being clipped at the left edge of the screen and the right edge if multiple axes were used.
If selected, black lines are drawn at the boundaries between shaded bands. These lines are optionally labeled in the same way that "Contour lines" plots are. For 3D points on a rectangular grid drawn in 2D, amended the interpolation scheme for "Shaded bands". This was done to accommodate the above "Both lines and shades" option.
In previous versions shaded bands used a bilinear interpolation scheme, while contour lines broke each grid rectangle up into 4 planar triangles with the center point being the average of the 4 corners. The bilinear method generally produced smoother-looking contours for sparse data, but that smoothness wasn't based on any insight into the data and so probably wasn't justified.
In any case the bands did not match up with contour lines; in this version they do. Added a "Minor line width" option for 2D surface plots. You can set the interval for "major" lines using the "Major lines every" control. As before, labels will be drawn on lines at this interval if the "Label every major line" box is checked. Note that this may mean that portions of the plot will be clipped when using this option. For best results first select viewing angles that will make the plot take up the largest portion of screen space - typically this will be at azimuths of 45, , , or degrees.
Added right-click menu items for 3D surface plots in a 3D view. You can now quickly switch to a surface plot, wireframe plot, and for 3D points on a rectangular grid to a waterfall plot or bar chart. You can now control the size of the symbols used in surface plots when "Data points" is checked on the Contour Options dialog. On 2D views, all plot types, if you used the Print Caption option on the Text menu to display the plot filename in the lower right corner of the plot, that caption might have overlapped the numbers along the X axis.
For logarithmic scales on XY plots, DPlot would not allow you to zoom in to extents that were not 5 or 10 times some power of In this release you can zoom in to extents with 2 significant figures. Bug fix: DPlot did not correctly parse clipboard text with a date in the first column, time in the second column. In this version pasting this data from the clipboard behaves the same way that reading that data from a file would: the date and time are combined to form the X values.
For example 1E-9 might have been displayed as 1. Bug fix: If you used a single custom contour level of 0 with surface plots and re-opened the Contour Levels dialog, DPlot crashed with a division by 0 error. Bug fix: In previous versions DPlot automatically cropped metafiles and enhanced metafiles, eliminating excess white space.
In most cases of course this was a good thing. But when driving DPlot from another program, retrieving a metafile from DPlot and setting that picture to be the background of a picture frame in that application, the resulting plot might not have had the expected aspect ratio. This was particularly noticeable with polar plots, which might not have been circular. In this release you or rather your program will get the metafile it asks for, including white space.
Somewhat related: Amended the VB btest4 and C ctest4 demo programs distributed with DPlot Jr to request a metafile size more in synch with the picture frame dimensions. Previous versions forced the width to 5 inches and the height was set proportional to the width, according to the relative frame dimensions. The only trouble was that DPlot forces both the width and height to be at least 3 inches, so wide frames would end up producing distorted plots.
So you can spin a 3D view around without a lot of annoying screen-flashing. For bar charts, scatter plots, wireframes and waterfall plots, if antialiasing is turned off you'll now get a smooth animation using the arrow keys.
Surface plots are a bit sluggish because DPlot draws every individual pixel. Another change related to the view angle keyboard shortcuts: when making a series of changes using those keys, only the first keypress results in an Undo file being saved.
A change in behavior for 3D bar charts: If "Borders" on the Contour Options dialog is unchecked, then bars will not be outlined in black. This change was made primarily for viewing bar charts at an elevation angle of 90 degrees top-down where the black lines might have overwhelmed the plot for more than a thousand or so data points. DPlot does a much better job with saving high resolution images, particularly with plots for which the legend or a text note has been moved well outside the extents of the plot.
If you elected to crop whitespace in the image, those text entries might have been cropped or left completely out of the image. In at least some cases attempting to save a high resolution image with text objects well to the left or above the plot might have resulted in a crash.
Improved placement of axis labels and numbers on 3D views. Bug fix: When using "Symbol sizes in Z units" for 3D scatter plots, DPlot erroneously applied the Z scale factor to the symbol sizes twice.
For very small scale factors this error might have caused an integer overflow and subsequent crash. Bug fix: Axis labels were drawn in the incorrect location on 3D views with an elevation of 0 degrees. This feature of course works best with simple plots: a few thousand points or less, antialiasing turned off, no lighting for surface plots. Bug fix: The new functionality of the Preserve3DScaleFactor command namely, keeping the axis of rotation at a fixed spot on the plot introduced with version 2.
This was particularly noticeable in animations using Wingding symbols. The problem was due to the fixed location in the plot that was used to obtain a scale factor for the symbols.
Before perspective projection was added, the location where that measurement was taken was irrelevant because any distance in the Z direction was the same everywhere. Generally this resulted in appending 0,0,0 triplets to one or more sets. Bar charts may now be selected with the Contour Options command for 3D views of Z values on a rectangular grid. Smart Shooter for Mac O.. Oct 29, Camera remote control software for tethered shooting and automatic photo capture.
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