Re: [Plplot-devel] Commit of universal coordinate transform support - request for testing

[Hazen B. <hba...@ma...>]

Hezekiah M. Carty wrote:
> PLplot developers and interested users,
> 
> With PLplot trunk rev. 10905, I have committed basic support for
> universal 2D coordinate transformations in PLplot using a new
> function, plstransform.  The commit includes an additional page in
> example 19 to illustrate how this function works.  A path
> approximation function plpath has also been included which can be used
> to draw an approximation of a straight line in transformed
> coordinates.  An update to the API docbook documentation for these two
> functions is included.
> 
> "Universal," in this case, refers to the fact that _all_ PLplot
> plotting functions which act within the plot window should be affected
> by the defined transform.  If no transform function is defined then
> all PLplot functions should act as they did before this commit.  I
> have attached an example plot which takes advantage of this function
> both as an example of what this helps facilitate and to show that our
> modern output devices (pngcairo in this case) produce some very nice
> looking output!  The example shows plmap, plmeridians, plimagefr and
> plcont all working with the same transformed coordinate system.
> 
> I have been using this patch for several months now without trouble or
> regressions that I have seen.  This patch does, however, touch a large
> number of core functions so I would like to request that other
> developers keep an eye out for possible regressions.
> 
> The C and OCaml languages have been updated in this commit.

Don't forget to update README.release :).

-Hazen