[reportlab-users] ReportLab 1.19 Released

[reportlab-users@reportlab.com]

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Robin Becker <robin@reportlab.com> writes:

> In article <hdynrdl0.fsf@vfa.com>, mmillikan@vfa.com writes
>>Robin Becker <robin@reportlab.com> writes:
>>
>>> Version 1.19 of the ReportLab Toolkit has been released.
>>> Fixes from Max Neunhöffer (pyRXP) and Peter Borocz (pdfmetrics).
>>> ReportLab graphics now has some 3D charts.
>>[snip]
>>
>>With the new VerticalBarChart3D setting zDepth and zSpace
>>appropriately gives a reasonable facsimile of a cross tab chart with
>>categories arrayed along the x axis, values along the y axis, and
>>series offset along the projected z axis. 
>>
>>Is there a defined way to draw a ZCategoryAxis labelled by series? How
>>about a grid underlaying any of the three back planes? Changing the
>>viewing angle? No perspective? -)
>>
>>Seriously, a nice start.
> ..... I'm not certain exactly what you mean? There is a grid possibility
> for each axis. By definition our current zAxis can either be
> stacked/paralel or not so
>
> categoryAxis.style = 'parallel_3d'
>
> makes the series appear at different depths depending on the other
> seetings.
>
> If you use the style 'stacked' for the 3d barcharts then the series
> appear at a single z-depth one above the other in the y direction. If
> parallel then they should appear parallel in the x direction. Sorry if
> I'm confused/wrong about this. Please say what you mean/want/prefer. :)
> -- 
> Robin Becker
> _______________________________________________
> reportlab-users mailing list
> reportlab-users@reportlab.com
> http://two.pairlist.net/mailman/listinfo/reportlab-users




5|     F/
4|    E/
3|   D/ 
2|  C/
1| B/
0|A/________________
   M N O P Q R S T U

The vertical axis (0-5) is the value axis. 
The horizontal axis (M-U) is the category axis.
The oblique axis (A-F) is the series axis (a second category axis).
All are labelled/tickmarked/lined as required.

Using a 'normal' multiseries vertical bar chart (sample2a) converted
to 3d and using a category axis style of 'parallel_3d' the graph bars
are positioned appropriately in ranks by series along the implied
oblique axis. Axis (0-5) and (M-U) are drawn correctly, I'm wondering
how to implement the (A-F) axis and its labels?

Attached is a pdf of the modified sample2a.

TIA

Mark


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