diff options
Diffstat (limited to 'docs/source/operations')
| -rw-r--r-- | docs/source/operations/conversions/unitconvert.rst | 2 | ||||
| -rw-r--r-- | docs/source/operations/projections/tmerc.rst | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/docs/source/operations/conversions/unitconvert.rst b/docs/source/operations/conversions/unitconvert.rst index fab8026f..632f6aeb 100644 --- a/docs/source/operations/conversions/unitconvert.rst +++ b/docs/source/operations/conversions/unitconvert.rst @@ -27,7 +27,7 @@ Many North American systems are defined with coordinates in feet. For example in Vermont:: +proj=pipeline - +step +proj=tmerc +lat_0=42.5 +lon_0=-72.5 +k=0.999964286 +x_0=500000.00001016 +y_0=0 + +step +proj=tmerc +lat_0=42.5 +lon_0=-72.5 +k_0=0.999964286 +x_0=500000.00001016 +y_0=0 +step +proj=unitconvert +xy_in=m +xy_out=us-ft Often when working with GNSS data the timestamps are presented in GPS-weeks, diff --git a/docs/source/operations/projections/tmerc.rst b/docs/source/operations/projections/tmerc.rst index cd864d13..1a48fec6 100644 --- a/docs/source/operations/projections/tmerc.rst +++ b/docs/source/operations/projections/tmerc.rst @@ -59,12 +59,12 @@ The following table gives special cases of the Transverse Mercator projection. Example using Gauss-Kruger on Germany area (aka EPSG:31467) :: - $ echo 9 51 | proj +proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=bessel +datum=potsdam +units=m +no_defs + $ echo 9 51 | proj +proj=tmerc +lat_0=0 +lon_0=9 +k_0=1 +x_0=3500000 +y_0=0 +ellps=bessel +datum=potsdam +units=m +no_defs 3500000.00 5651505.56 Example using Gauss Boaga on Italy area (EPSG:3004) :: - $ echo 15 42 | proj +proj=tmerc +lat_0=0 +lon_0=15 +k=0.9996 +x_0=2520000 +y_0=0 +ellps=intl +units=m +no_defs + $ echo 15 42 | proj +proj=tmerc +lat_0=0 +lon_0=15 +k_0=0.9996 +x_0=2520000 +y_0=0 +ellps=intl +units=m +no_defs 2520000.00 4649858.60 Parameters |