GDAL GeoTiff -> NetCDF Testing results ====================================== Albers Equal Area: OK ------------------------ *CF-1 compliance?:* YES *Loads in IDV?*: YES (Works when we set 'longitude_of_center' -> 'longitude_of_central_meridian') Test EPSG: 3577 ("GDA94 / Australian Albers") ====================================== ============================================= GDAL: CF-1 Equivalents: ====================================== ============================================= PROJECTION["Albers_Conic_Equal_Area"], grid_mapping_name = albers_conical_equal_area PARAMETER["standard_parallel_1",-18], standard_parallel=-18, -36 PARAMETER["standard_parallel_2",-36], PARAMETER["latitude_of_center",0], latitude_of_projection_origin=0 PARAMETER["longitude_of_center",132], longitude_of_central_meridian=132 ====================================== ============================================= Azimuthal equidistant: Partial ------------------------------ *CF-1 compliance?:* YES *Loads in IDV?*: NO (says it doesn't contain gridded data) Notes: - (Problem loading into IDV? At least with params below) - (Problem loading into IDV? - complains its 'not gridded data'?) TODO:- maybe test further in NetCDF Java. =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Azimuthal_Equidistant"], grid_mapping_name=azimuthal_equidistant PARAMETER["latitude_of_center",0], latitude_of_projection_origin=0 PARAMETER["longitude_of_center",134], longitude_of_projection_origin=134 =========================================== =============================================== Lambert azimuthal equal area: OK -------------------------------- *CF-1 compliance?:* YES *Loads in IDV?*: YES (Reprojection very sensitive to input params) (Works when we set 'longitude_of_center' -> 'longitude_of_projection_origin') =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Lambert_Azimuthal_Equal_Area"], grid_mapping_name=lambert_azimuthal_equal_area PARAMETER["latitude_of_center",-37], latitude_of_projection_origin=-37 PARAMETER["longitude_of_center",145], longitude_of_projection_origin=145 =========================================== =============================================== Lambert conformal: OK ----------------------- *CF-1 compliance?:* YES *Loads in IDV?*: YES Test EPSG: 3112 ("GDA94 / Geoscience Australia Lambert") ========================================== ============================================= GDAL: CF-1 Equivalents ========================================== ============================================= PROJECTION["Lambert_Conformal_Conic_2SP"], grid_mapping_name=lambert_conformal_conic PARAMETER["standard_parallel_1",-18], standard_parallel=-18, -36 PARAMETER["standard_parallel_2",-36], PARAMETER["latitude_of_origin",0], latitude_of_projection_origin=0 PARAMETER["central_meridian",134], longitude_of_central_meridian=134 ========================================== ============================================= Lambert Cylindrical Equal Area: Partial --------------------------------------- *CF-1 compliance?:* YES *Loads in IDV?*: NO (Claims its not gridded data) (works - note also has a 'scale_factor_at_projection_origin' alternative to 'standard_parallel') =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Cylindrical_Equal_Area"], PARAMETER["standard_parallel_1",-37], standard_parallel=-37 PARAMETER["central_meridian",145], longitude_of_central_meridian=145 =========================================== =============================================== Mercator-1SP: No ---------------- *CF-1 compliance?:* YES *Loads in IDV?*: NO (Claims its not gridded data) Note: - Needs 'central_meridian' -> 'longitude_of_projection_origin' - Needs 'scale_factor' -> 'scale_factor_at_projection_origin' =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Mercator_1SP"], grid_mapping_name = mercator PARAMETER["central_meridian",150], longitude_of_projection_origin PARAMETER["scale_factor",1], scale_factor_at_projection_origin =========================================== =============================================== Mercator-2SP: GDAL Prob ----------------------- Not added as yet :- seems to be problems as GDAL refuses to create Mercator-2SP files ?? TODO: perhaps file a bug =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Mercator_2SP"], grid_mapping_name = mercator PARAMETER["standard_parallel_1",-45], standard_parallel (? 2 values, to cover lat of origin?) PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",150], longitude_of_projection_origin =========================================== =============================================== Orthographic: No ---------------- Need 'central_meridian' -> 'longitude_of_projection_origin'? =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Orthographic"], grid_mapping_name=orthographic PARAMETER["latitude_of_origin",-37], latitude_of_projection_origin=-37 PARAMETER["central_meridian",145], longitude_of_projection_origin=145 =========================================== =============================================== Polar stereographic: No ----------------------- Issues: - need "scale_factor" -> 'scale_factor_at_projection_origin' - think need "central_meridian" -> 'straight_vertical_longitude_from_pole' - not sure if need "latitude_of_origin" -> latitude_of_projection_origin? (see below) =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Polar_Stereographic"], PARAMETER["latitude_of_origin",0], (?) - in proj4/WKT, this is extra to +90/-90 PARAMETER["central_meridian",134], straight_vertical_longitude_from_pole (?) PARAMETER["scale_factor",1], scale_factor_at_projection_origin latitude_of_projection_origin (?) =========================================== =============================================== Rotated pole: No GDAL Equivalent? --------------------------------- Not sure if there's a GDAL Equivalent of this? Stereographic: No ----------------- Notes: - need "central_meridian" -> 'longitude_of_projection_origin' - need 'scale_factor' -> 'scale_factor_at_projection_origin' =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Oblique_Stereographic"], grid_mapping_name = stereographic PARAMETER["latitude_of_origin",-37], latitude_of_projection_origin PARAMETER["central_meridian",134], longitude_of_projection_origin PARAMETER["scale_factor",1], scale_factor_at_projection_origin =========================================== =============================================== Transverse Mercator: OK ----------------------- =========================================== =============================================== GDAL: CF-1 Equivalents =========================================== =============================================== PROJECTION["Transverse_Mercator"], grid_mapping_name=transverse_mercator PARAMETER["latitude_of_origin",0], latitude_of_projection_origin=0 PARAMETER["central_meridian",147], longitude_of_central_meridian=147 =========================================== ===============================================