I completed my external semester at 52°North on October 2, 2015. During this internship, my task was to gain experience in software development by developing a metadata editor for standarized sensor metadata. Please see my initial blog post for more information. I fulfilled this task by implementing an editor based on the smartEditor project and built a prototype which enables the editing of the metadata language SensorML. This prototype is called SmartSensorEditor. Currently, this editor supports several elements of the SensorML description language.more >
Which Format?
In ILWIS 3 we had a lot of hassle with imports and exports. ILWIS 3 had its own format and everything had to be converted to this format or exported from ILWIS 3 to be usable in another package. Though there was a ‘use-as’ method (for raster), which basically used the data in its orignal format, it had its limitations. Furthermore, there was always lots of work involved (for the programmers) in getting a format ‘correct’. The documentation of formats is often mediocre, so a lot of guessing about how to interpret a certain format took place. The usage of the GDAL library helped a lot, but the implementation of a new format was still a hassle. And then there were the service/remote data sources, which play an increasingly important role these days. ILWIS 3 wasn’t built for those and supporting them was like trying to teach a turtle to fly.more >
Displaying maps
The map panel in Ilwis4 is in some way different from the map window in ILWIS 3 and in other ways very similar. It is still under development, so things will change, but I think it might be interesting to show the direction it is taking.more >
New data structures in Ilwis-objects
One of the goals with Ilwis-objects was to update our data structures. The IWLIS 3 design is servicable, but these days things like multi spectral data, spatial temporal data sets, multi-dimensional feature sets are more common than when ILWIS 3 was designed. Not only the data structures for the data sources needed an upgrade, but also the supporting objects like domains and representations. more >
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