diff options
| -rw-r--r-- | docs/source/operations/transformations/helmert.rst | 7 | ||||
| -rw-r--r-- | test/gie/GDA.gie | 2 | ||||
| -rw-r--r-- | test/gie/more_builtins.gie | 10 |
3 files changed, 9 insertions, 10 deletions
diff --git a/docs/source/operations/transformations/helmert.rst b/docs/source/operations/transformations/helmert.rst index c2557321..69776285 100644 --- a/docs/source/operations/transformations/helmert.rst +++ b/docs/source/operations/transformations/helmert.rst @@ -53,21 +53,20 @@ Transforming coordinates from NAD72 to NAD83 using the 4 parameter 2D Helmert: :: - proj=helmert ellps=GRS80 x=-9597.3572 y=.6112 - s=0.304794780637 theta=-1.244048 + proj=helmert x=-9597.3572 y=.6112 s=0.304794780637 theta=-1.244048 Simplified transformations from ITRF2008/IGS08 to ETRS89 using 7 parameters: :: - proj=helmert ellps=GRS80 x=0.67678 y=0.65495 z=-0.52827 + proj=helmert x=0.67678 y=0.65495 z=-0.52827 rx=-0.022742 ry=0.012667 rz=0.022704 s=-0.01070 Transformation from `ITRF2000@2017.0` to `ITRF93@2017.0` using 15 parameters: :: - proj=helmert ellps=GRS80 + proj=helmert x=0.0127 y=0.0065 z=-0.0209 s=0.00195 dx=-0.0029 dy=-0.0002 dz=-0.0006 ds=0.00001 rx=-0.00039 ry=0.00080 rz=-0.00114 diff --git a/test/gie/GDA.gie b/test/gie/GDA.gie index ea975bb6..3157eef6 100644 --- a/test/gie/GDA.gie +++ b/test/gie/GDA.gie @@ -61,7 +61,7 @@ ITRF2014@2018 to GDA2020 - Test point ALIC (Alice Springs) ----------------------------------------------------------------------------------- Just the Helmert transformation, to verify that we are within 100 um ----------------------------------------------------------------------------------- -operation proj = helmert ellps=GRS80 exact +operation proj = helmert exact x = 0 rx = 0 dx = 0 drx = 0.00150379 y = 0 ry = 0 dy = 0 dry = 0.00118346 diff --git a/test/gie/more_builtins.gie b/test/gie/more_builtins.gie index 04cf724e..7e205e0a 100644 --- a/test/gie/more_builtins.gie +++ b/test/gie/more_builtins.gie @@ -249,7 +249,7 @@ A number of tests from PJ_helmert.c This example is from Lotti Jivall: "Simplified transformations from ITRF2008/IGS08 to ETRS89 for maritime applications" ------------------------------------------------------------------------------- -operation proj=helmert ellps=GRS80 +operation proj=helmert x=0.67678 y=0.65495 z=-0.52827 rx=-0.022742 ry=0.012667 rz=0.022704 s=-0.01070 ------------------------------------------------------------------------------- @@ -262,7 +262,7 @@ expect 3565285.41342351 855948.67986759 5201382.72939791 ------------------------------------------------------------------------------- This example is a random point, transformed from ED50 to ETRS89 using KMStrans2 ------------------------------------------------------------------------------- -operation proj=helmert ellps=GRS80 exact +operation proj=helmert exact x=-081.0703 rx=-0.48488 y=-089.3603 ry=-0.02436 z=-115.7526 rz=-0.41321 s=-0.540645 @@ -280,7 +280,7 @@ Sweden transformed from ITRF2000 @ 2017.0 to ITRF93 @ 2017.0. The test coordinate was transformed using GNSStrans, using transformation parameters published by ITRF: ftp://itrf.ensg.ign.fr/pub/itrf/ITRF.TP ------------------------------------------------------------------------------- -operation proj=helmert ellps=GRS80 transpose +operation proj=helmert transpose x = 0.0127 dx = -0.0029 rx = -0.00039 drx = -0.00011 y = 0.0065 dy = -0.0002 ry = 0.00080 dry = -0.00019 z = -0.0209 dz = -0.0006 rz = -0.00114 drz = 0.00007 @@ -302,7 +302,7 @@ The test data is taken from p. 29. Here we are using point 203 and converting it from NAD27 (ft) -> NAD83 (m). The paper reports a difference of 0.0014 m from measured to computed coordinates, hence the test tolerance is set accordingly. ------------------------------------------------------------------------------- -operation proj=helmert ellps=GRS80 +operation proj=helmert x=-9597.3572 y=.6112 s=0.304794780637 theta=-1.244048 ------------------------------------------------------------------------------- @@ -318,7 +318,7 @@ rotation matrix is updated when necessary. Test coordinates from GNSStrans. ------------------------------------------------------------------------------- -operation proj=helmert ellps=GRS80 transpose +operation proj=helmert transpose x = 0.01270 dx =-0.0029 rx =-0.00039 drx =-0.00011 y = 0.00650 dy =-0.0002 ry = 0.00080 dry =-0.00019 z =-0.0209 dz =-0.0006 rz =-0.00114 drz = 0.00007 |