mh-geus-dk
commented
4 years ago Setting aside that there is no EPSG:900913 :)
Yes, EPSG:900913 is deprecated and replaced by EPSG:3857 but nevertheless still being used by many.
Does that mean that other projections will be allowed to be selected, if so which ones will be selectable?
In principle, the web-GIS can display maps in all EPSG codes but we recommend sticking to EPSG:3034 because it is well-tested and other projections will involve work for GIP to adjust base maps, tools, and other functionality.
If datasets are provided as services for consumption by the EGDI portal I can see that they must provide support for the supported projections, but I don't understand the implications for supplied datasets. Surely the EGDI platform services/API will do the necessary reprojections. For HOVER we have a global dataset, whilst EPSG:3034 is limited to Europe, what are the implications for the dataset? Global data sets can be delivered in e.g. EPSG:4326 or EPSG:3857. In case your data set is contains lines or polygons that cross the poles it's more tricky and we might need to investigate further in order to give the best advise.
nmtoken
Re documentation:
http://egdi-public.gitlabpages.geus.dk/egdi-documentation/#/main-content/SpatialData?id=projections
Setting aside that there is no EPSG:900913 :)
THe EGDI platform by default displays maps and data sets in projection EPSG:3034.
Does that mean that other projections will be allowed to be selected, if so which ones will be selectable?
If necessary, individual maps can be set up in other projections, but included data sets will then have to also support that projection or be able to be re-projected on the fly
If datasets are provided as services for consumption by the EGDI portal I can see that they must provide support for the supported projections, but I don't understand the implications for supplied datasets. Surely the EGDI platform services/API will do the necessary reprojections.
For HOVER we have a global dataset, whilst EPSG:3034 is limited to Europe, what are the implications for the dataset?
PROJCRS["ETRS89-extended / LCC Europe", BASEGEOGCRS["ETRS89", ENSEMBLE["European Terrestrial Reference System 1989 ensemble", MEMBER["European Terrestrial Reference Frame 1989", ID["EPSG",1178]], MEMBER["European Terrestrial Reference Frame 1990", ID["EPSG",1179]], MEMBER["European Terrestrial Reference Frame 1991", ID["EPSG",1180]], MEMBER["European Terrestrial Reference Frame 1992", ID["EPSG",1181]], MEMBER["European Terrestrial Reference Frame 1993", ID["EPSG",1182]], MEMBER["European Terrestrial Reference Frame 1994", ID["EPSG",1183]], MEMBER["European Terrestrial Reference Frame 1996", ID["EPSG",1184]], MEMBER["European Terrestrial Reference Frame 1997", ID["EPSG",1185]], MEMBER["European Terrestrial Reference Frame 2000", ID["EPSG",1186]], MEMBER["European Terrestrial Reference Frame 2005", ID["EPSG",1204]], MEMBER["European Terrestrial Reference Frame 2014", ID["EPSG",1206]], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1,ID["EPSG",9001]], ID["EPSG",7019]], ENSEMBLEACCURACY[0.1], ID["EPSG",6258]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]], ID["EPSG",8901]], ID["EPSG",4258]], CONVERSION["Europe Conformal 2001", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",52, ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]], PARAMETER["Longitude of false origin",10, ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]], PARAMETER["Latitude of 1st standard parallel",35, ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]], PARAMETER["Latitude of 2nd standard parallel",65, ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]], PARAMETER["Easting at false origin",4000000, LENGTHUNIT["metre",1,ID["EPSG",9001]]], PARAMETER["Northing at false origin",2800000, LENGTHUNIT["metre",1,ID["EPSG",9001]]], ID["EPSG",19985]], CS[Cartesian,2, ID["EPSG",4500]], AXIS["Northing (N)",north, ORDER[1]], AXIS["Easting (E)",east, ORDER[2]], LENGTHUNIT["metre",1,ID["EPSG",9001]], USAGE[SCOPE["Conformal mapping at scales of 1:500,000 and smaller."], AREA["Europe - European Union (EU) countries and candidates. Europe - onshore and offshore: Albania; Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Iceland; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal including Madeira and Azores; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain including Canary Islands; Sweden; Switzerland; Turkey; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State."], BBOX[24.60,-35.58,84.17,44.83]], ID["EPSG",3034]]