From 19a7e6a610f084b87cf1501418633e6adf222db8 Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Wed, 18 Dec 2019 14:28:57 +0100 Subject: Add is_lmi/ for Iceland --- CMakeLists.txt | 1 + README.DATUMGRID | 1 + index.html | 10 +- is_lmi/.github/README.md | 1 + is_lmi/ISL | 470 ++++++++++++++++++++++++++++++++++++++++++++ is_lmi/ISN2004_ISN2016.tif | Bin 0 -> 577949 bytes is_lmi/ISN93_ISN2016.tif | Bin 0 -> 564838 bytes is_lmi/Icegeoid_ISN2004.tif | Bin 0 -> 453855 bytes is_lmi/Icegeoid_ISN2016.tif | Bin 0 -> 485309 bytes is_lmi/Icegeoid_ISN93.tif | Bin 0 -> 484419 bytes is_lmi/README.is_lmi | 97 +++++++++ regenerate_index_html.py | 2 + 12 files changed, 581 insertions(+), 1 deletion(-) create mode 120000 is_lmi/.github/README.md create mode 100644 is_lmi/ISL create mode 100644 is_lmi/ISN2004_ISN2016.tif create mode 100644 is_lmi/ISN93_ISN2016.tif create mode 100644 is_lmi/Icegeoid_ISN2004.tif create mode 100644 is_lmi/Icegeoid_ISN2016.tif create mode 100644 is_lmi/Icegeoid_ISN93.tif create mode 100644 is_lmi/README.is_lmi diff --git a/CMakeLists.txt b/CMakeLists.txt index 3b5768b..415350e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -32,6 +32,7 @@ set(CPACK_SOURCE_INSTALLED_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/dk_sdfe/" "." "${CMAKE_CURRENT_SOURCE_DIR}/es_cat_icgc/" "." "${CMAKE_CURRENT_SOURCE_DIR}/fr_ign/" "." + "${CMAKE_CURRENT_SOURCE_DIR}/is_lmi/" "." "${CMAKE_CURRENT_SOURCE_DIR}/nz_linz/" "." "${CMAKE_CURRENT_SOURCE_DIR}/pt_dgt/" "." "${CMAKE_CURRENT_SOURCE_DIR}/se_lantmateriet/" "." diff --git a/README.DATUMGRID b/README.DATUMGRID index 05a72c0..9af9569 100644 --- a/README.DATUMGRID +++ b/README.DATUMGRID @@ -55,6 +55,7 @@ For example us_noaa for files originating from US NOAA. * [dk_sdfe: Denmark SDFE](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/dk_sdfe/) * [es_cat_icgc: Spain Catalonia ICGC](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/es_cat_icgc/) * [fr_ign: France IGN](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/fr_ign/) +* [is_lmi: Iceland LMI](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/is_lmi/) * [nz_linz: New Zealand LINZ](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/nz_linz/) * [pt_dgt: Portugal DGT](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/pt_dgt/) * [se_lantmateriet: Sweden Lantmateriet](https://github.com/OSGeo/proj-datumgrid-geotiff/blob/master/se_lantmateriet/) diff --git a/index.html b/index.html index f50dbd8..6386390 100644 --- a/index.html +++ b/index.html @@ -154,6 +154,14 @@ Those files are designed to be mainly used by PROJgr3df97a.tif: Geocentric translation from NTF (IGNF:NTF) to RGF93 (EPSG:4964). Last modified: 2019/12/17
  • ntf_r93.tif: NTF (EPSG:4275) to RGF93 (EPSG:4171). Last modified: 2019/12/16

    • -Total size of content: 463 MB +Total size of content: 466 MB

    diff --git a/is_lmi/.github/README.md b/is_lmi/.github/README.md new file mode 120000 index 0000000..f4452fd --- /dev/null +++ b/is_lmi/.github/README.md @@ -0,0 +1 @@ +../README.is_lmi \ No newline at end of file diff --git a/is_lmi/ISL b/is_lmi/ISL new file mode 100644 index 0000000..abcefd6 --- /dev/null +++ b/is_lmi/ISL @@ -0,0 +1,470 @@ +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ +# +# PROJ implementations of current and legacy Icelandic coordinate systems +# +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ +# +# It is the official definition and implementation of transformations between different Iceland's systems. +# +# +# +# Revision history: +# ----------------- +# +# 2019-11-30 Initial setup. +# Dalia Prizginiene +# +# +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# + +version=1.0.0 +origin=LMI +lastupdate=2019-11-30 +# +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Vertical datum +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + proj=vgridshift grids=Icegeoid_ISN2004.gtx # current, geoid height calculated using ISN2004 datum +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=vgridshift grids=Icegeoid_ISN93.gtx # Icegeoid_ISN2004.gtx plus corrections for vertical difference between ISN93 and ISN2004. + proj=vgridshift grids=Icegeoid_ISN2016.gtx # Icegeoid_ISN2004.gtx plus corrections for vertical difference between ISN2016 and ISN2004. + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Deformation grids +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=hgridshift grids=ISN93_ISN2016.gsb + proj=vgridshift grids=ISN93_ISN2016.gtx + + proj=hgridshift grids=ISN2004_ISN2016.gsb + proj=vgridshift grids=ISN2004_ISN2016.gtx + + + proj=pipeline + step init=ISL:ISN93_16h + step inv init=ISL:ISN93_16v + + + proj=pipeline + step init=ISL:ISN04_16h + step inv init=ISL:ISN04_16v + +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Velocity model +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# +# xy_grids=ISN_vel_beta.ct2 +# z_grids=ISN_vel_beta.gtx +# +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC ISN2016 (epoch 2016.5, IGS2014, GRS80): The primary system +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=lcc lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=2700000 y_0=300000 ellps=GRS80 + +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN2016_LAM +tolerance 0.1 mm +accept -17 66 +expect 2790800.4329 412932.6164 + + + +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC ISN2004 (epoch 2004.6, IGb00, GRS80): The other systems +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=lcc lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=1700000 y_0=300000 ellps=GRS80 + +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN2004_LAM +tolerance 0.1 mm +accept -17 66 +expect 1790800.4329 412932.6164 + + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ +# LCC ISN93 (epoch 1993.6, ITRF93, GRS80): The other systems +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + proj=lcc lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=500000 y_0=500000 ellps=GRS80 + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + +operation init=ISL:ISN93_LAM +tolerance 0.1 mm +accept -17 66 +expect 590800.4329 612932.6164 + + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC Hjorsey1955 (ellipsoid: International 1924): The historical systems 2D +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + proj=pipeline + step proj=lcc lat_1=65 lat_0=65 lon_0=-18 x_0=-500000 y_0=500000 ellps=intl + step proj=axisswap order=-1,2,3,4 + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:HJORSEY_LAM +tolerance 0.1 mm +accept -17 66 +expect 454587.8410 611870.0974 + + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC Reykjavik1900 (ellipsoid: Danish): The historical systems 2D +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=lcc lat_1=65 lat_0=65 lon_0=-19.022125 x_0=0 y_0=0 ellps=danish + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:RJ_LAM +tolerance 0.1 mm +accept -17 66 +expect 91794.9450 112953.3882 + + +#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC for Kinematic datum shifting/ dynamic transformation +#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=lcc lat_1=64.25 lat_2=65.75 lat_0=65 lon_0=-19 x_0=4700000 y_0=300000 ellps=GRS80 +#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:KIN_LAM +tolerance 3 cm +accept -17 66 0 2017.5 +expect 4790800.4329 412932.6164 + + +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Helmert transformations +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Helmert transformations are used to transform between Reykjavik1900 2D and ISN93 2D also between Hjorsey1955 2D and ISN93 2D +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + proj=helmert convention=coordinate_frame x=556.620 y=-167.901 z=945.664 rx=4.154 ry=-0.269 rz=-2.279 s=-3.729 + proj=helmert x=-72.4 y=46.8 z=-82.7 + proj=helmert convention=coordinate_frame x=629.020 y=-214.701 z=1028.364 rx=4.154 ry=-0.269 rz=-2.279 s=-3.729 +# +# +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Actual transformations +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Reykjavik1900 (Geodetic) 2D -> ISN93 (LCC) 2D +#----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# from west of Greenwich + + proj=pipeline + step proj=push +v_3 + step proj=cart ellps=danish + step init=ISL:REYK19_ISN93 + step proj=cart inv ellps=GRS80 + step proj=pop +v_3 + step init=ISL:ISN93_LAM + +# Example: +# echo -21.930875 64.1421888889 0 0 | cct init=ISL:RJ_G + +# from west of Copenhagen + + proj=pipeline + step inv proj=longlat pm=copenhagen + step proj=push +v_3 + step proj=cart ellps=danish + step init=ISL:REYK19_ISN93 + step proj=cart inv ellps=GRS80 + step proj=pop +v_3 + step init=ISL:ISN93_LAM + +# Example: +# echo -34.50875 64.1421888889 0 0 | cct init=ISL:RJ_W +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + +operation init=ISL:RJ_G +tolerance 50 m +accept -21.930875 64.1421888889 0 +expect 357557.5871 407700.8896 0 + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + +operation init=ISL:RJ_W +tolerance 50 m +accept -34.50875 64.1421888889 0 +expect 357557.5871 407700.8896 0 + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# Hjorsey1955 (Geodetic) 2D -> ISN93 (LCC) 2D +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step proj=push +v_3 + step proj=cart ellps=intl + step init=ISL:HJ_ISN93 + step proj=cart inv ellps=GRS80 + step proj=pop +v_3 + step init=ISL:ISN93_LAM + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:HJORSEY_ISN93 +tolerance 15 m +accept -21.9933555556 64.1533913888889 0 +expect 354399.1771 409035.1420 0 + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN93 (Geodetic) 3D -> ISN2004 (LCC) 3D +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step init=ISL:D_93_16 + step inv init=ISL:D_04_16 + step init=ISL:ISN2004_LAM + +# Example: +# echo -17.981614272222 66.5274148361111 75.737 0 | cct init=ISL:ISN93_ISN04 +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_ISN04 +tolerance 5 cm +accept -17.981614272222 66.5274148361111 75.737 0 +expect 1745293.041 470683.539 75.653 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN93 (LCC) 3D -> ISN2004 (LCC) 3D +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step inv init=ISL:ISN93_LAM + step init=ISL:D_93_16 + step inv init=ISL:D_04_16 + step init=ISL:ISN2004_LAM + +# Example: +# echo 545293.098 670683.324 75.737 0 | cct init=ISL:ISN93_L_ISN04 +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_L_ISN04 +tolerance 5 cm +accept 545293.098 670683.324 75.737 0 +expect 1745293.0413 470683.5387 75.6532 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN93 (Geodetic) 3D -> ISN2004 (Geodetic + Vertical datum) +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step init=ISL:D_93_16 + step inv init=ISL:D_04_16 + step init=ISL:ISH2004 + +# Example: +# echo -17.981614272222 66.5274148361111 75.737 0 | cct init=ISL:ISN93_ISN04_v +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_ISN04_v +tolerance 5 cm +accept -17.981614272222 66.5274148361111 75.737 0 +expect -17.9816154690 66.5274167690 11.6147 + + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN2004 (Geodetic) 3D -> ISN2016 (LCC) 3D +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step init=ISL:D_04_16 + step init=ISL:ISN2016_LAM + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN04_ISN16 +tolerance 5 cm +accept -17.98161545 66.5274167694444 75.653 0 +expect 2745292.997 470683.7597 75.618 + + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN2004 (LCC) 3D -> ISN2016 (LCC) 3D +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step inv init=ISL:ISN2004_LAM + step init=ISL:D_04_16 + step init=ISL:ISN2016_LAM + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN04_L_ISN16 +tolerance 5 cm +accept 1745293.042 470683.539 75.653 0 +expect 2745292.9970 470683.7595 75.6182 + + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN2004 (Geodetic) 3D -> ISN2016 (Geodetic + Vertical datum) +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step init=ISL:ISN04_16h + step init=ISL:ISH2004 + +# Example: +# echo -17.98161545 66.5274167694444 75.653 0 | cct init=ISL:ISN04_ISN16_v +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN04_ISN16_v +tolerance 5 cm +accept -17.98161545 66.5274167694444 75.653 0 +expect -17.9816163818 66.5274187527 11.6145 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN93 (Geodetic) 3D -> ISN2016 (LCC) 3D +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step init=ISL:D_93_16 + step init=ISL:ISN2016_LAM + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_ISN16 +tolerance 5 cm +accept -17.981614272222 66.5274148361111 75.737 0 +expect 2745292.996 470683.760 75.618 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN93 (LCC) 3D -> ISN2016 (LCC) 3D +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step inv init=ISL:ISN93_LAM + step init=ISL:D_93_16 + step init=ISL:ISN2016_LAM + +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_L_ISN16 +tolerance 5 cm +accept 545293.098 670683.324 75.737 0 +expect 2745292.996 470683.759 75.618 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN93 (Geodetic) 3D -> ISN2016 (Geodetic + Vertical datum) +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step init=ISL:D_93_16 + step init=ISL:ISN04_16v + step init=ISL:ISH2004 + +# Example: +# echo -17.981614272222 66.5274148361111 75.737 0 | cct init=ISL:ISN93_ISN16_v +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_ISN16_v +tolerance 5 cm +accept -17.981614272222 66.5274148361111 75.737 0 +expect -17.9816164008 66.5274187522 11.6147 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC ISN93 3D -> ISN93 (Geodetic + Vertical datum) +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step inv init=ISL:ISN93_LAM + step init=ISL:ISN93_ISH2004 + +# Example: +# echo 545293.098 670683.324 75.737 0 | cct init=ISL:ISN93_ISH2004_v +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN93_ISH2004_v +tolerance 5 cm +accept 545293.098 670683.324 75.737 0 +expect -17.9816142725 66.5274148323 11.6147 + + +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# LCC ISN2016 3D -> ISN2016 (Geodetic + Vertical datum) +#------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step inv init=ISL:ISN2016_LAM + step init=ISL:ISN2016_ISH2004 + +# Example: +# echo 2745292.998 470683.759 75.618 0 | cct init=ISL:ISN2016_ISH2004_v +#-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + +operation init=ISL:ISN2016_ISH2004_v +tolerance 5 cm +accept 2745292.998 470683.759 75.618 0 +expect -17.9816163630 66.5274187459 11.6143 + + +#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN_DRF (Geodetic): epoch 2018.679 -> ISN_DRF (LCC): epoch 2017.5 3D +#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step proj=cart ellps=GRS80 + step proj=deformation dt=-1.179 xy_grids=ISN_vel_beta.ct2 z_grids=ISN_vel_beta.gtx + step proj=cart inv ellps=GRS80 + step init=ISL:KIN_LAM + +# Example: +# echo -18.1224832715 65.6854274786 134.2043 | cct init=ISL:DRF_E +#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + +operation init=ISL:DRF_E +tolerance 3 cm +accept -18.1224832715 65.6854274786 134.2043 +expect 4740331.7212 376698.7742 134.2005 + + +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +# ISN_DRF (Geodetic): epoch 2018.679 -> ISN2016 (LCC) 3D +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + + proj=pipeline + step proj=cart ellps=GRS80 + step proj=deformation dt=-2.179 xy_grids=ISN_vel_beta.ct2 z_grids=ISN_vel_beta.gtx + step proj=cart inv ellps=GRS80 + step init=ISL:ISN2016_LAM + +# Example: +# echo -18.1224832715 65.6854274786 134.2043 | cct init=ISL:DRF_2016 +#---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + + +operation init=ISL:DRF_2016 +tolerance 3 cm +accept -18.1224832715 65.6854274786 134.2043 +expect 2740331.7315 376698.7505 134.1972 + diff --git a/is_lmi/ISN2004_ISN2016.tif b/is_lmi/ISN2004_ISN2016.tif new file mode 100644 index 0000000..3ff07f6 Binary files /dev/null and b/is_lmi/ISN2004_ISN2016.tif differ diff --git a/is_lmi/ISN93_ISN2016.tif b/is_lmi/ISN93_ISN2016.tif new file mode 100644 index 0000000..48afcd1 Binary files /dev/null and b/is_lmi/ISN93_ISN2016.tif differ diff --git a/is_lmi/Icegeoid_ISN2004.tif b/is_lmi/Icegeoid_ISN2004.tif new file mode 100644 index 0000000..fad3c6f Binary files /dev/null and b/is_lmi/Icegeoid_ISN2004.tif differ diff --git a/is_lmi/Icegeoid_ISN2016.tif b/is_lmi/Icegeoid_ISN2016.tif new file mode 100644 index 0000000..c24075e Binary files /dev/null and b/is_lmi/Icegeoid_ISN2016.tif differ diff --git a/is_lmi/Icegeoid_ISN93.tif b/is_lmi/Icegeoid_ISN93.tif new file mode 100644 index 0000000..b915d2c Binary files /dev/null and b/is_lmi/Icegeoid_ISN93.tif differ diff --git a/is_lmi/README.is_lmi b/is_lmi/README.is_lmi new file mode 100644 index 0000000..68dfb98 --- /dev/null +++ b/is_lmi/README.is_lmi @@ -0,0 +1,97 @@ +# README.is_lmi + +The files in this section result from the conversion of datasets originating +from [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) + +## Included grids + +### Iceland: ISN93 -> ISN2016 + +2D geodetic transformation from Iceland Datum ISN93 to Iceland Datum ISN2016 + +*Source*: [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) +*Format*: NTv2 +*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/) +*Credit*: (c)2017-2019 Grid created by Guðmundur Valsson. + +The transformation is designed so that the ISN2016 points should fit within 1-2 cm accuracy, but in the area around the earthquake area in the South and North of Vatnajökull the accuracy is worse. + +Recommended to transform from ISN93 2D geodetic (EPSG:4659) to ISN2016 2D geodetic (EPSG:8086), also this transformation has code in EPSG Dataset (EPSG:9232) + +* ISN93_ISN2016.tif + +### Iceland: ISN2004 -> ISN2016 + +2D geodetic transformation from Iceland Datum ISN2004 to Iceland Datum ISN2016 + +*Source*: [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) +*Format*: NTv2 +*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/) +*Credit*: (c)2017-2019 Grid created by Guðmundur Valsson. + +The transformation is designed so that the ISN2016 points should fit within 1-2 cm accuracy, but in the area around the earthquake area in the South and North of Vatnajökull the accuracy is worse. + +Recommended to transform from ISN2004 2D geodetic (EPSG:5324) to ISN2016 2D geodetic (EPSG:8086), also this transformation has code in EPSG Dataset (EPSG:9233) + +* ISN2004_ISN2016.tif + +### Iceland: ISN2004 ellipsoidal height -> ISH2004 vertical datum + +*Source*: [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) +*Format*: GTX +*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/) +*Credit*: (c)2017-2019 Grid created by Guðmundur Valsson. + +Geoid created in cooperation between the National Land Survey of Iceland and DTU Space in December 2010. +A gravimetric geoid was fitted to National Height System ISH2004 (EPSG:8089) with over 300 GNSS levelling points +with ellipsoidal height in ISN2004 (EPSG:5323). The std. of the fit was 1.7 cm. + +Grid to convert from ISN2004 ellipsoidal height (EPSG:5323) to national vertical datum ISH2004 (EPSG:8089) +The horizontal grid coordinates are referenced to ISN2004 + +See the `ISL` init-file for examples of use. + +* Icegeoid_ISN2004.tif + +### Iceland: ISN93 ellipsoidal height -> ISH2004 vertical datum + +*Source*: [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) +*Format*: GTX +*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/) +*Credit*: (c)2017-2019 Grid created by Guðmundur Valsson. + +Icegeoid_ISN2004.tif plus corrections for vertical difference between ISN93(EPSG:4945) and ISN2004 (EPSG:5323). + +Grid to convert from ISN93 ellipsoidal height (EPSG:4945) to national vertical datum ISH2004 (EPSG:8089) +The horizontal grid coordinates are referenced to ISN93 + +See the `ISL` init-file for examples of use. + +* Icegeoid_ISN93.tif + +### Iceland: ISN2016 ellipsoidal height -> ISH2004 vertical datum + +*Source*: [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) +*Format*: GTX +*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/) +*Credit*: (c)2017-2019 Grid created by Guðmundur Valsson. + +Icegeoid_ISN2004.tif plus corrections for vertical difference between ISN2016(EPSG:8085) and ISN2004 (EPSG:5323). + +Grid to convert from ISN2016 ellipsoidal height (EPSG:8085) to national vertical datum ISH2004 (EPSG:8089) +The horizontal grid coordinates are referenced to ISN2016 + +See the `ISL` init-file for examples of use. + +* Icegeoid_ISN2016.tif + +## Included init-files + +### Iceland: System definitions + +*Source*: [National Land Survey of Iceland](https://atlas.lmi.is/LmiData/index.php?id=626468364600) +*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/) + +Init file with various transformations and conversions of relevance in Iceland. + +* ISL diff --git a/regenerate_index_html.py b/regenerate_index_html.py index ebc3aa7..340f5a0 100644 --- a/regenerate_index_html.py +++ b/regenerate_index_html.py @@ -13,6 +13,8 @@ for dirname in glob.glob('*'): total_size = 0 set_files = set() for dirname in sorted(dirnames): + if '_' not in dirname: + continue filenames = [] readme_filename = None for f in glob.glob(dirname + '/*'): -- cgit v1.2.3