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| author | Even Rouault <even.rouault@spatialys.com> | 2020-01-24 18:10:02 +0100 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2020-01-24 18:10:02 +0100 |
| commit | fd2cf11f9fc159c774b6800d1eb18b11fa0be3fd (patch) | |
| tree | 7fae377b18e32b390666d5f1755a24213f7d276e /us_noaa/README.us_noaa | |
| parent | 760652fcf5bf62d124ca270013dd6311cd24c0e2 (diff) | |
| download | PROJ-data-fd2cf11f9fc159c774b6800d1eb18b11fa0be3fd.tar.gz PROJ-data-fd2cf11f9fc159c774b6800d1eb18b11fa0be3fd.zip | |
Prefix files with agencyname_ according to PROJ RFC5
Diffstat (limited to 'us_noaa/README.us_noaa')
| -rw-r--r-- | us_noaa/README.us_noaa | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/us_noaa/README.us_noaa b/us_noaa/README.us_noaa deleted file mode 100644 index 241a8b6..0000000 --- a/us_noaa/README.us_noaa +++ /dev/null @@ -1,177 +0,0 @@ -# README.us_nga - -The files in this section result from the conversion of datasets originating -from [US NOAA](https://www.ngs.noaa.gov) - -## Included grids - -### USA: NAD27 and older CRS -> NAD83 - -*Source*: [.los/.las files coming from NOAA](https://www.ngs.noaa.gov/PC_PROD/NADCON/NADCON.zip) -*Format*: GeoTIFF converted from CTable2 -*License*: Public Domain - -* alaska - Alaska -* conus - Conterminous U.S. -* hawaii - Hawaii. Old Hawaiian (EPSG:4135) to NAD83 -* prvi - Puerto Rico, Virgin Is. Puerto Rico (EPSG:4139) to NAD83 -* stgeorge - St. George Is, Alaska. St. George Island (EPSG:4138) to NAD83 -* stlrnc - St. Lawrence Is., Alaska. St. Lawrence Island (EPSG:4136) to NAD83 -* stpaul - St. Paul Is., Alaska. St. Paul Island (EPSG:4137) to NAD83 - -### USA: NAD83 -> NAD83 (HARN/HPGN) - -*Source*: [.los/.las files coming from NOAA](https://www.ngs.noaa.gov/PC_PROD/NADCON/NADCON.zip) -*Format*: GeoTIFF converted from NTv2 -*License*: Public Domain - -Grid data for high precision conversion of geographic coordinates from -the original NAD83 (1986) (EPSG:4269) to NAD83 High Precision Geodetic Networks -(HPGNs) (EPSG:4152), also referred to as High Accuracy Reference Networks (HARNs). -NAD 83 coordinates based on the HPGN/HARN surveys changed approximately 0.2 -to 1.0 meter relative to the original NAD 83 (1986) adjustment. - -Those files have been converted to NTv2 grids with the -[build_nad83_harn.sh](https://raw.githubusercontent.com/OSGeo/proj-datumgrid/master/north-america/build_nad83_harn.sh) script. - -* *hpgn.tif (51 files) - -Also include a few files which are duplicate of *hpgn.tif files, for historic reasons: - -* FL.tif - Florida -* MD.tif - Maryland -* TN.tif - Tennessee -* WI.tif - Wisconsin -* WO.tif - Washington, Oregon, N. California - -### Continental USA VERTCON: NGVD (19)29 height to NAVD (19)88 height - -*Source*: converted from [NOAA VERTCON .94 grids](https://www.ngs.noaa.gov/PC_PROD/VERTCON/) -*Converter*: vertcon_94_to_gtx.py -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -Transform NGVD (19)29 height to NAVD (19)88 height. The .tif files contain -the offset to add to NGVD 29 heights to get NAVD 88 heights. - -The horizontal grid coordinates may be referenced to NAD27 or NAD83 - -* vertconc.tif -* vertcone.tif -* vertconw.tif - -### USA GEOID1999 model (superseded): NAVD88 height to NAD83 - -*Source*: converted from [NOAA NGS .bin grids](https://geodesy.noaa.gov/GEOID/GEOID99/) -*Converter*: build_g1999.sh -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -The GEOID99 model is known as a hybrid geoid model, combining -gravimetric information with GPS ellipsoid heights on leveled bench marks. -The GEOID99 model was developed to support direct conversion between -NAD 83 GPS ellipsoidal heights and NAVD 88 orthometric heights. - -It is superseded by later GEOIDxx models - -* g1999u01.tif to g1999u08.tif : Conterminous US -* g1999a01.tif to g1999a04.tif : Alaska -* g1999h01.tif : Hawaii -* g1999p01.tif : Puerto Rico - -### USA GEOID2003 model (superseded): NAVD88 height to NAD83 - -*Source*: converted from [NOAA NGS .bin grids](https://geodesy.noaa.gov/GEOID/GEOID03/) -*Converter*: build_g2003.sh -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -The GEOID03 model is known as a hybrid geoid model, combining -gravimetric information with GPS ellipsoid heights on leveled bench marks. -The GEOID03 model was developed to support direct conversion between -NAD 83 GPS ellipsoidal heights and NAVD 88 orthometric heights. - -It is superseded by later GEOIDxx models - -* geoid03_conus.tif : Conterminous US -* g2003a01.tif to g2003a04.tif : Alaska -* g2003h01.tif : Hawaii -* g2003p01.tif : Puerto Rico - -### USA GEOID2006 model (superseded): NAVD88 height to NAD83 (Alaska only) - -*Source*: converted from [NOAA NGS .bin grids](https://geodesy.noaa.gov/GEOID/GEOID06/) -*Converter*: build_g2006.sh -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -GEOID06 is a refined hybrid geoid model for Alaska only. - -GEOID06 converts between the U.S. ellipsoidal datum, NAD 83, and the U.S. -vertical datum, NAVD 88. GEOID06 is built largely on the USGG2003 gravimetric geoid. - -It is superseded by later GEOIDxx models - -* geoid06_ak.tif : Alaska - -### USA GEOID2009 model (superseded): NAVD88/PRVD02/VIVD09/GUVD04 height to NAD83 - -*Source*: converted from [NOAA NGS .bin grids](https://www.ngs.noaa.gov/GEOID/GEOID09/) -*Converter*: build_g2009.sh -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -The GEOID09 model is known as a hybrid geoid model, as it is modified -from a gravimetric model to fit GPS ellipsoid heights on leveled bench marks. -The GEOID09 model refers to a GRS-80 shaped ellipsoid, -centered at the NAD83 origin. It supports direct conversion between -NAD83 GPS ellipsoidal heights and NAVD88, GUVD04 and ASVD03 orthometric heights, -and will support future vertical datums PRVD02 nad VIVD09. - -* geoid09_conus.tif : Conterminous US. -* geoid09_ak.tif : Alaska. -* g2009h01.tif : Hawaii -* g2009g01.tif : Guam and Northern Mariana Islands. -* g2009s01.tif : American Samoa. -* g2009p01.tif : Puerto Rico / U.S. Vigin Islands. - -### USA GEOID12B model (partial superseded): NAVD88/PRVD02/VIVD09/GUVD04/NMVD03/ASVD02 height to NAD83(2011)/NAD83(MA11)/NAD83(PA11) - -*Source*: converted from [NOAA NGS .bin grids](https://www.ngs.noaa.gov/GEOID/GEOID12B/) -*Converter*: build_g2012.sh -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -GEOID12B is a hybrid geoid height model that can transform between the relevant -vertical datum for each region to a NAD 83 ellipsoid height -See https://www.ngs.noaa.gov/GEOID/GEOID12B/faq_2012B.shtml for more details. - -* g2012bu0.tif : Conterminous US, referenced to NAD83(2011). Vertical datum: NAVD88 -* g2012ba0.tif : Alaska, referenced to NAD83(2011). Vertical datum: NAVD88 -* g2012bh0.tif : Hawaii, referenced to NAD83(PA11). Vertical datum: identical to that of USGG2012, which is offset by 50-60 cm from some Local Tidal bench mark values. -* g2012bg0.tif : Guam and Northern Mariana Islands, referenced to NAD83(PA11). Vertical datum: GUVD04/NMVD03 -* g2012bs0.tif : American Samoa, referenced to NAD83 (PA11). Vertical datum: ASVD02 -* g2012bp0.tif : Puerto Rico / U.S. Vigin Islands, referenced to NAD83(2011). Vertical datum: PRVD02 and VIVD09 - -The g2012bu0.tif and g2012bp0.tif grids are superseded by the -g2018p0.tif and g2018p0.tif grids of GEOID18. - -### USA GEOID18 model: NAVD88/PRVD02 height to NAD83(2011) - -*Source*: converted from [NOAA NGS .bin grids](https://www.ngs.noaa.gov/GEOID/GEOID18/) -*Converter*: build_g2018.sh -*Format*: GeoTIFF converted from GTX -*License*: Public Domain - -GEOID18 is intended for use with coordinates in the North American Datum of 1983 (2011) -[NAD 83 (2011) epoch 2010.00]. It provides orthometric heights consistent with the -North American Vertical Datum of 1988 (NAVD 88), the Puerto Rico Vertical Datum of -2002 (PRVD02), or the Virgin Islands Vertical Datum of 2009 (VIVD09). - -GEOID18 covers CONUS, Puerto Rico, and the U.S. Virgin Islands and supersedes -GEOID12B in these regions. GEOID18 does NOT cover Alaska, Hawaii, Guam and the -Commonwealth of the Northern Mariana Islands (CNMI) where users should continue -to use GEOID12B. - -* g2018u0.tif : Conterminous US, referenced to NAD83(2011). Vertical datum: NAVD88 -* g2018p0.tif : Puerto Rico / U.S. Vigin Islands, referenced to NAD83(2011). Vertical datum: PRVD02 and VIVD09 |
