Description of Transformation - PT_CASC / OH to EVRF2019zero
AttributeEntry
Operation identifierPT_CASC / OH to EVRF2019zero
Operation identifier alias
CountryPortugal
Country identifierPT
Operation valid area
Portugal
Operation scopeapplicable for points up to a maximum height of about 1000 m
Source coordinate reference system identifierPT_CASC / OH
Target coordinate reference system identifierEVRF2019_AMST / NH
Operation version
September 2020
Operation method nameInterpolation of a raster surface from points using inverse distance weighted (IDW) technique
Operation method name aliasInverse distance weighted
Operation method formula
see https://desktop.arcgis.com/en/arcmap/ 
or     
https://pro.arcgis.com/en/pro-app/ 
Operation method parameters number1
Operation method remarks
Ascii file can be imported in GIS tools like ArcGIS or QGIS,
prj file contains information about spatial reference
Operation parameter namegrid data
Operation parameter value idw_pt_2019_z.asc
idw_pt_2019_z.prj
Operation parameter remarksgraphic (PT_evrf2019z.png, 435 kByte)