diff options
Diffstat (limited to 'au_ga')
| -rw-r--r-- | au_ga/AUSGeoid09_V1.01.tif | bin | 0 -> 12781715 bytes | |||
| -rw-r--r-- | au_ga/AUSGeoid2020_20180201.tif | bin | 0 -> 5839642 bytes | |||
| -rw-r--r-- | au_ga/AUSGeoid98.tif | bin | 0 -> 3910134 bytes | |||
| -rw-r--r-- | au_ga/README.au_ga | 36 |
4 files changed, 36 insertions, 0 deletions
diff --git a/au_ga/AUSGeoid09_V1.01.tif b/au_ga/AUSGeoid09_V1.01.tif Binary files differnew file mode 100644 index 0000000..c8f8b3b --- /dev/null +++ b/au_ga/AUSGeoid09_V1.01.tif diff --git a/au_ga/AUSGeoid2020_20180201.tif b/au_ga/AUSGeoid2020_20180201.tif Binary files differnew file mode 100644 index 0000000..7a587d0 --- /dev/null +++ b/au_ga/AUSGeoid2020_20180201.tif diff --git a/au_ga/AUSGeoid98.tif b/au_ga/AUSGeoid98.tif Binary files differnew file mode 100644 index 0000000..27fe86d --- /dev/null +++ b/au_ga/AUSGeoid98.tif diff --git a/au_ga/README.au_ga b/au_ga/README.au_ga new file mode 100644 index 0000000..5cde4d1 --- /dev/null +++ b/au_ga/README.au_ga @@ -0,0 +1,36 @@ +# README.au_ga + +The files in this section result from the conversion of datasets originating +from [Geoscience Australia](http://www.ga.gov.au) + +### Australia: AUSGeoid98: GDA94 -> AHD height + +*Source*: [Geoscience Australia](http://www.ga.gov.au/ausgeoid/comp.html) +*Format*: GeoTIFF converted from GTX +*License*: [Creative Commons Attribution 4.0] +*Converter*: gdal_translate -of GTX AUSGeoid98.gsb AUSGeoid98.gtx -b 1 + +* AUSGeoid98.tif + +### Australia: AUSGeoid09: GDA94 -> AHD height + +*Source*: [Geoscience Australia](http://www.ga.gov.au/ausgeoid/comp.html) +*Format*: GeoTIFF converted from GTX +*License*: [Creative Commons Attribution 4.0] +*Converter*: gdal_translate -of GTX AUSGeoid09_V1.01.gsb AUSGeoid09_V1.01.gtx -b 1 + +Uses AusGeoid09 model which uses bi-cubic interpolation; bi-linear interpolation +of the grid file will give results agreeing to within 1cm 99.97% of the time. + +* AUSGeoid09_V1.01.tif + +### Australia: AUSGeoid2020: GDA2020 -> AHD height + +*Source*: [Geoscience Australia](http://www.ga.gov.au/ausgeoid/comp.html) +*Format*: GeoTIFF converted from GTX +*License*: [Creative Commons Attribution 4.0] +*Converter*: gdal_translate AUSGeoid2020_20180201.gsb tmp.tif -a_nodata -999 -b 1 && gdalwarp tmp.tif AUSGeoid2020_20180201.gtx -dstnodata -88.8888015747070312 -of GTX + +Uses AusGeoid2020 model. + +* AUSGeoid2020_20180201.tif |