4 bit data warps raster file #17
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I've moved the no data issue to #18: please try to keep issues separate where possible. I think somewhere I have an 8-bit assumption hard-coded. If you had the exact same dataset saved to, e.g., 4-bit, 8-bit, 16-bit, and 32-bit integers it might be possible to figure out how Arc is indicating a 4-bit encoding. |
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I'll see if I can get that data! Would it be four As for splitting the issues, I was not sure if it was rrlated, so I didn't want to make an issue just yet. Thanks for making it! |
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So I've added the |
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I have a classified raster with 4 bit data stored in a geodatabase. When converting with ARR, the output was a weird striped output. I have included the
.gdb, database with a single raster. The converted file with ArcRasterRescue islu_arr.tif, and the rest is the converted file using ArcGIS.lu.zip
The (verbose) output is given below:
I don't think it is related to the issue, but I also had some overflow warnings when building the program related to the nodata value.
Scanning dependencies of target arc_raster_rescue
make[2]: Warning: File 'CMakeFiles/arc_raster_rescue.dir/depend.make' has modification time 0.71 s in the future
[ 25%] Building CXX object CMakeFiles/arc_raster_rescue.dir/src/arr.cpp.o
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp: In instantiation of ‘RasterData::RasterData(std::string, const RasterBase&) [with T = unsigned char; std::string = std::__cxx11::basic_string]’:
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:1246:20: required from ‘void ExportTypedRasterToGeoTIFF(std::string, std::string, int, std::string) [with T = unsigned char; std::string = std::__cxx11::basic_string]’
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:1278:84: required from here
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:958:36: warning: unsigned conversion from ‘int’ to ‘unsigned char’ changes value from ‘-9999’ to ‘241’ [-Woverflow]
958 | resize(maxpx-minpx, maxpy-minpy, -9999);
| ^~~~~
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:1132:13: warning: unsigned conversion from ‘int’ to ‘unsigned char’ changes value from ‘-9999’ to ‘241’ [-Woverflow]
1132 | no_data = -9999; //TODO: This cannot always be NoData.
| ^~~~~
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp: In instantiation of ‘RasterData::RasterData(std::string, const RasterBase&) [with T = signed char; std::string = std::__cxx11::basic_string]’:
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:1246:20: required from ‘void ExportTypedRasterToGeoTIFF(std::string, std::string, int, std::string) [with T = signed char; std::string = std::__cxx11::basic_string]’
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:1284:83: required from here
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:958:36: warning: overflow in conversion from ‘int’ to ‘signed char’ changes value from ‘-9999’ to ‘-15’ [-Woverflow]
958 | resize(maxpx-minpx, maxpy-minpy, -9999);
| ^~~~~
/mnt/c/Users/Joep/Documents/ArcRasterRescue/src/arr.cpp:1132:13: warning: overflow in conversion from ‘int’ to ‘signed char’ changes value from ‘-9999’ to ‘-15’ [-Woverflow]
1132 | no_data = -9999; //TODO: This cannot always be NoData.
| ^~~~~
[ 50%] Linking CXX static library libarc_raster_rescue.a
make[2]: warning: Clock skew detected. Your build may be incomplete.
[ 50%] Built target arc_raster_rescue
Scanning dependencies of target arc_raster_rescue.exe
make[2]: Warning: File 'CMakeFiles/arc_raster_rescue.exe.dir/depend.make' has modification time 0.7 s in the future
[ 75%] Building CXX object CMakeFiles/arc_raster_rescue.exe.dir/evaluation/main.cpp.o
[100%] Linking CXX executable arc_raster_rescue.exe
make[2]: warning: Clock skew detected. Your build may be incomplete.
[100%] Built target arc_raster_rescue.exe
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