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Theta-Limited / OpenAthenaAndroid

OpenAthena allows common drones to spot precise geodetic locations
GNU Affero General Public License v3.0
67 stars 7 forks source link

Replace GDAL (binary) with alternative #2

Closed mkrupczak3 closed 1 year ago

mkrupczak3 commented 2 years ago

For getting altitude information from the GeoTIFF DEM, it may be possible to just use the Apache Commons Imaging Library an existing Java Library. An advantage of this technique is the source code is all in java, which would require no use of the Android NDK for running bytecode

https://commons.apache.org/proper/commons-imaging/index.html

mkrupczak3 commented 2 years ago

Another option: https://github.com/ngageoint/tiff-java https://medium.com/@varunsarwal/integrating-digital-elevation-models-dems-in-software-applications-4f8d48b3f026

mkrupczak3 commented 2 years ago

https://github.com/search?q=import+mil.nga.tiff+geotiff&type=code

mkrupczak3 commented 2 years ago

https://github.com/locationtech/proj4j

mkrupczak3 commented 1 year ago

Fixed in 511ba37