Hi, On Tuesday 21 June 2011, Peter Vorpahl wrote: > Do you think it is possible to create a plugin to RKWard that on the one > hand allows to easily access (load, export, modify) geospatial data
this bit sounds quite standard, so yes. > and > that on he other hand allows for advanced GUI interachtion with Map-Plots. > Such as layer up/down, change of display parameters etc. > I could imagine, that this would imply the co development of an advanced > R-graphics device and an RKWard plugin that strongly interact with each > other. Note that several features of graphics device in RKWard are already realized as plugins (e.g. Device->Export..., and Edit->Draw Grid). See http://rkward.sourceforge.net/documents/devel/plugins/contextualized_plugins.html . I'm not sure, what exactly you have in mind, and whether such "contextualized plugins" are already good enough for your purposes. However, in principle, I believe it will probably be possible to add the required support without too much effort. You may also want to take a look at the CLT-plugins (e.g. Distributions- >Continuous->Beta->Beta CLT), to get an idea of what can be done with the plot-preview feature, alone. Perhaps you can give some more detail? > Another issue is that my favourite development environment is Microsofts > Visual Studio. Linking to R is somewhat difficult with MSVC but not > impossible. RKWard uses KDE libs. Are there any windows ports of their > DLLs? - The KDE libraries are also available as MSVC-compiled binaries. If you use "Package Manager" mode in the KDE on Windows installer, you will be able to select which compiler flavor you want to install. - I know that the RKWard sources currently use some constructs (esp. "#warning"-directives), which are not compatible with MSVC in their current form, so this would need some cleanup, but I don't expect any significant problems, here. - I know that others have complained about (unsurmountable?) difficulties in linking C++-code to R using MSVC. Personally, I have never cared about the details, so I'm not sure, how big a problem this is, but it is the part that I would be most worried about. - You may be interested in our wiki page on compiling on Windows: http://sourceforge.net/apps/mediawiki/rkward/index.php?title=RKWard_on_Windows/Packaging As you can see, it is not quite trivial to set up everything, correctly. Quite likely some steps will need to be adjusted for compiling with MSVC. See http://techbase.kde.org/Projects/KDE_on_Windows for links to mailing list and IRC-channel for KDE on Windows, in case you need help with that. I know that some other KDE-based projects offer MSVC-compiled binaries on Windows, so you may also be able to get some help, there. E.g. digikam and kmymoney. > Please let me know, if you have an Idea to solve my problems. I would > very much appreciate it, if I could contribute to your project. Well, I would certainly be glad to have you as a contributor! Regards Thomas P.S.: I'll give you an answer to the questions you asked in private mail, as soon as I can find some time.
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