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Diffstat (limited to 'nad')
| -rw-r--r-- | nad/val_def.demo | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/nad/val_def.demo b/nad/val_def.demo deleted file mode 100644 index 87777b9d..00000000 --- a/nad/val_def.demo +++ /dev/null @@ -1,83 +0,0 @@ - ------------------------------------------------------------------------ - - INTEGRATING DEFINITION AND VALIDATION OF GEODETIC SYSTEMS - ------------------------------------------------------------------------ - Thomas Knudsen, thokn@sdfe.dk, 2017-12-06 ------------------------------------------------------------------------ - -This demo shows how to use the free format definition strings, -introduced in PROJ version 5.0.0, to integrate system definition -information with system validation data. - -The system definition parts are used when doing actual transformations, -e.g. using the cct 4D transformation program: - - echo 9 55 0 0 | cct +init=val_def.demo:DKTM1 - -The system validation parts are used when validating the systems -defined in the file. This is done using the gie test program: - - gie val_def.demo - -Which will respond with a report detailing how many tests succeeded, -resp. failed. - -The syntax of proj init files is orthogonal to the syntax of gie -integrity evaluation files. This makes it possible to interleave -init and gie blocks in the same file. - -#----------------------------------------------------------------------- - - - -#----------------------------------------------------------------------- -# Danish Transverse Mercator, zone 1 -#----------------------------------------------------------------------- -<DKTM1> proj = etmerc - lat_0 = 0 lon_0 = 9 - x_0 = 200000 y_0 = -5000000 - - k = 0.99998 - - ellps = GRS80 - units = m - - no_defs -#----------------------------------------------------------------------- -<gie> -operation init = val_def.demo:DKTM1 -tolerance 100 um -accept 9 55 -expect 200000.0000 1097108.3684 -roundtrip 1000 1 nm -</gie> -#----------------------------------------------------------------------- - - - -#----------------------------------------------------------------------- -# Danish Transverse Mercator, zone 2 -#----------------------------------------------------------------------- -<DKTM2> proj = etmerc - lat_0 = 0 lon_0 = 10 - x_0 = 400000 y_0 = -5000000 - - k = 0.99998 - - ellps = GRS80 - units = m - - no_defs -#----------------------------------------------------------------------- -<gie> -operation init = val_def.demo:DKTM2 -tolerance 100 um -accept 10 55 -expect 400000.0000 1097108.3684 -accept 10.5 55.5 -expect 431597.1668 1152884.9398 -roundtrip 1000 100 um -</gie> -#----------------------------------------------------------------------- |