Changes between Version 21 and Version 22 of Grass7/NewFeatures76

Timestamp:

10/08/18 10:26:08 (6 years ago)

Author:

mmetz

Comment:

libsegment: + all in memory cache

Grass7/NewFeatures76

@@ -86 +86 @@
  * **support for PROJ 5**: previously, reprojection from one CRS to another CRS used WGS84 as pivot datum: CRS1 -> WGS84 -> CRS2. This method provided reasonable results and allowed for reprojection on-the-fly. However, using a fixed pivot datum has been regarded as a suboptimal solution for coordinate reprojection, therefore a new mechanism has been introduced in PROJ 5, where custom pipelines for coordinate conversion and transformation can be defined. Together with the new PROJ 5+ API, this pipeline mechanism is now supported starting with proj-5.1.0. Custom coordinate conversion/transformation pipelines can now be defined for raster and vector reprojection.
  * vector modules are now less "chatty" with regard to topology building: only problems are reported, standard topology building messages are only shown with --verbose. This should make it easier for users to spot problems.
+ * the segment library uses a new fast all-in-memory cache instead of a file-based cache if all data can be kept in memory
+ * ...
 
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