Hi Giuseppe, Would it be possible for me to get a copy of the test data you are using to build your DTM? I'd like to try using my Natural Neighbor Interpolator (NNI) implementation on it and see what the results look like.
Gary On Thu, May 12, 2022 at 11:11 AM Giuseppe Aruta <giuseppe.ar...@gmail.com> wrote: > Hi Gary, > Thanks for your work > I have been working to an interpolation plugin of point data (loaded in > openjump as shape files) to a DTM raster. > I used the code from s former ImageJ plugin ( > https://imagej.nih.gov/ij/plugins/xyz2dem-importer.html) > which was quite fast and very flexible. > The interpolation plugin is a part of a larger openjump project to work > with raster, like ArcGIS raster tools. > The project is here: > https://sourceforge.net/p/opensit/wiki/Geo%20Arbores%20Raster%20Tools/. > Actually it works only with Openjump 1.xxx series (not openjump 2) but I > am working to port it to newer openjump. > For sure i will give a look to your code and reuse it > Thank again > Peppe > > > Il gio 12 mag 2022, 15:33 <edgar.sol...@web.de> ha scritto: > >> hey Gary, >> >> thanks for the offer. any contribution to OJ is welcome and pointing out >> an interesting libraries surely might incentivize somebody to include it's >> functionality. >> you maybe wanna open an issue on https://github.com/openjump-gis so it >> might get indexed by search engines? >> >> ..regards ede >> >> On 12.05.2022 14:38, Gary Lucas wrote: >> > I am sending this email to make a modest offer to the OpenJUMP >> developer community. >> > >> > I’ve written a Java library for processing Delaunay triangulations that >> may be useful for OpenJUMP. The Tinfour open-source software API is >> sufficiently fast to handle large unstructured data sets such as Lidar. I >> did a little testing this morning and was able to process a Lidar file >> containing 15 million samples in 12 seconds. >> > >> > I think that the API could be used as part of an OpenJUMP plugin. >> > >> > If you would like to learn more, you may visit the Tinfour project at >> https://github.com/gwlucastrig/Tinfour < >> https://github.com/gwlucastrig/Tinfour> >> > >> > Due to my job commitments, I do not have the availability to write a >> plugin myself (thus the “modest” in this offer). But if someone were >> interested, I would be willing to support the effort by answering >> questions, assisting in design issues, and implementing Tinfour >> improvements or customizations required for the plugin. >> > >> > Finally, if you would like to explore the feasibility of using Tinfour >> to process Lidar, I have a couple of demonstration applications that are >> available as part of the Tinfour distribution. The Tinfour Viewer allows >> you to drag and drop a Lidar file onto a display area and review it >> interactively. The demonstrator should be enough to test the idea and >> reveal any issues I may not have thought of. >> > >> > Thank you for your time and attention. I wish the OpenJUMP community >> the best of success with your project. >> > >> > Gary >> > >> > >> > >> > _______________________________________________ >> > Jump-pilot-devel mailing list >> > Jump-pilot-devel@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> >> >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >
_______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
