NetCDF Unstrukturiertes Gitter mit SubGrid

Kurze Beschreibung

Unstrukturiertes Gitter mit zusätzlichen SubGrid-Informationen.

Inhalt der Datei

Dimensionen

dimensions:

nMesh2_node = number of nodes (vertices) ;

nMesh2_edge = number of edges ;

nMesh2_poly = number of polygons (triangles, quadrilaterals) ;

nMesh2_edge_subnode = number of subedge nodes for (visual) subedges ;

nMesh2_poly_subnode = number of subpoly nodes for (visual) subpolygons ;

nMesh2_subedge_classes = number of overall subedge depth classes ;

nMesh2_subpoly_classes = number of overall subpolygon depth classes ;

nMaxMesh2_poly_nodes = maximum number of nodes of a polygon ;

nMaxMesh2_poly_edges = maximum number of edges of a polygon ;

nMaxMesh2_edge_subedge_classes = maximum number of subedge depth classes of an edge

nMaxMesh2_poly_subpoly_classes = maximum number of subpolygon depth classes of a polygon

Two = 2 ;

Variablen

Lokale Koordinaten

Knoten

double Mesh2_node_x(nMesh2_node) ;

Mesh2_node_x:standard_name = "projection_x_coordinate" ;

Mesh2_node_x:long_name = "x-coordinate of 2D mesh nodes" ;

Mesh2_node_x:units = "m" ;

double Mesh2_node_y(nMesh2_node) ;

Mesh2_node_y:standard_name = "projection_y_coordinate" ;

Mesh2_node_y:long_name = "y-coordinate of 2D mesh nodes" ;

Mesh2_node_y:units = "m" ;

Kanten

double Mesh2_edge_x(nMesh2_edge) ;

Mesh2_edge_x:standard_name = "projection_x_coordinate" ;

Mesh2_edge_x:long_name = "characteristic x-coordinate of 2D mesh edges, e.g. edge center" ;

Mesh2_edge_x:units = "m" ;

double Mesh2_edge_y(nMesh2_edge) ;

Mesh2_edge_y:standard_name = "projection_y_coordinate" ;

Mesh2_edge_y:long_name = "characteristic y-coordinate of 2D mesh edges, e.g. edge center" ;

Mesh2_edge_y:units = "m" ;

Polygone

double Mesh2_poly_x(nMesh2_poly) ;

Mesh2_poly_x:standard_name = "projection_x_coordinate" ;

Mesh2_poly_x:long_name = "characteristic x-coordinate of 2D mesh polygons, e.g. circumcenter" ;

Mesh2_poly_x:units = "m" ;

double Mesh2_poly_y(nMesh2_poly) ;

Mesh2_poly_y:standard_name = "projection_y_coordinate" ;

Mesh2_poly_y:long_name = "characteristic y-coordinate of 2D mesh polygons, e.g. circumcenter" ;

Mesh2_poly_y:units = "m" ;

SubKnoten der Kanten

double Mesh2_edge_subnode_x(nMesh2_edge_subnode) ;

Mesh2_edge_subnode_x:standard_name = "projection_x_coordinate" ;

Mesh2_edge_subnode_x:long_name = "x-coordinate of 2D mesh subedge nodes" ;

Mesh2_edge_subnode_x:units = "m" ;

double Mesh2_edge_subnode_y(nMesh2_edge_subnode) ;

Mesh2_edge_subnode_y:standard_name = "projection_y_coordinate" ;

Mesh2_edge_subnode_y:long_name = "y-coordinate of 2D mesh subedge nodes" ;

Mesh2_edge_subnode_y:units = "m" ;

SubKnoten der Polygone

double Mesh2_poly_subnode_x(nMesh2_poly_subnode) ;

Mesh2_poly_subnode_x:standard_name = "projection_x_coordinate" ;

Mesh2_poly_subnode_x:long_name = "x-coordinate of 2D mesh subpolygon nodes" ;

Mesh2_poly_subnode_x:units = "m" ;

double Mesh2_poly_subnode_y(nMesh2_poly_subnode) ;

Mesh2_poly_subnode_y:standard_name = "projection_y_coordinate" ;

Mesh2_poly_subnode_y:long_name = "y-coordinate of 2D mesh subpolygon nodes" ;

Mesh2_poly_subnode_y:units = "m" ;

Geografische Koordinaten

Knoten

double Mesh2_node_lon(nMesh2_node) ;

Mesh2_node_lon:standard_name = "longitude" ;

Mesh2_node_lon:long_name = "longitude of 2D mesh nodes" ;

Mesh2_node_lon:units = "degrees_east" ;

double Mesh2_node_lat(nMesh2_node) ;

Mesh2_node_lat:standard_name = "latitude" ;

Mesh2_node_lat:long_name = "latitude of 2D mesh nodes" ;

Mesh2_node_lat:units = "degrees_north" ;

Kanten

double Mesh2_edge_lon(nMesh2_edge) ;

Mesh2_edge_lon:standard_name = "longitude" ;

Mesh2_edge_lon:long_name = "characteristic longitude of 2D mesh edges, e.g. edge center" ;

Mesh2_edge_lon:units = "degrees_east" ;

double Mesh2_edge_lat(nMesh2_edge) ;

Mesh2_edge_lat:standard_name = "latitude" ;

Mesh2_edge_lat:long_name = "characteristic latitude of 2D mesh edges, e.g. edge center" ;

Mesh2_edge_lat:units = "degrees_north" ;

Polygone

double Mesh2_poly_lon(nMesh2_poly) ;

Mesh2_poly_lon:standard_name = "longitude" ;

Mesh2_poly_lon:long_name = "characteristic longitude of 2D mesh polygons, e.g. circumcenter" ;

Mesh2_poly_lon:units = "degrees_east" ;

double Mesh2_poly_lat(nMesh2_poly) ;

Mesh2_poly_lat:standard_name = "latitude" ;

Mesh2_poly_lat:long_name = "characteristic latitude of 2D mesh polygons, e.g. circumcenter" ;

Mesh2_poly_lat:units = "degrees_north" ;

Tiefe

Knoten

double Mesh2_node_depth(nMesh2_node) ;

Mesh2_node_depth:standard_name = "sea_floor_depth_below_geoid" ;

Mesh2_node_depth:long_name = "sea floor depth of 2D mesh nodes" ;

Mesh2_node_depth:units = "m" ;

Mesh2_node_depth:coordinates = "Mesh2_node_lon Mesh2_node_lat"

Mesh2_node_depth:_FillValue = "fillvalue"

Mesh2_node_depth:valid_range = "valid minimum, valid maximum"

Mesh2_node_depth:grid_mapping = "crs"

SubGrid Tiefenklassen

Kanten

double Mesh2_edge_subedge_depth_classes(nMesh2_edge,nMaxMesh2_edge_subedge_classes) ;

Mesh2_edge_subedge_depth_classes:standard_name = "sea_floor_depth_below_geoid" ;

Mesh2_edge_subedge_depth_classes:long_name = "sea floor depth of 2D mesh subedge depth classes" ;

Mesh2_edge_subedge_depth_classes:units = "m" ;

Mesh2_edge_subedge_depth_classes:coordinates = "Mesh2_edge_lon Mesh2_edge_lat"

Mesh2_edge_subedge_depth_classes:_FillValue = "fillvalue"

Mesh2_edge_subedge_depth_classes:valid_range = "valid minimum, valid maximum"

Mesh2_edge_subedge_depth_classes:grid_mapping = "crs"

Polygone

double Mesh2_poly_subpoly_depth_classes(nMesh2_poly,nMaxMesh2_poly_subpoly_classes) ;

Mesh2_edge_subpoly_depth_classes:standard_name = "sea_floor_depth_below_geoid" ;

Mesh2_edge_subpoly_depth_classes:long_name = "sea floor depth of 2D mesh subpolygon depth classes" ;

Mesh2_edge_subpoly_depth_classes:units = "m" ;

Mesh2_edge_subpoly_depth_classes:coordinates = "Mesh2_poly_lon Mesh2_poly_lat"

Mesh2_edge_subpoly_depth_classes:_FillValue = "fillvalue"

Mesh2_edge_subpoly_depth_classes:valid_range = "valid minimum, valid maximum"

Mesh2_edge_subpoly_depth_classes:grid_mapping = "crs"

Topologie

Knotenverzeichnis der Polygone

integer Mesh2_poly_nodes(nMesh2_poly,nMaxMesh2_poly_nodes)

Mesh2_poly_nodes:standard_name = "???" ; \\ yet to be determined

Mesh2_poly_nodes:long_name = "list of 2D mesh nodes for all 2D mesh polygons" ;

Mesh2_poly_nodes:_FillValue = "fillvalue" \\ indicates missing nodes

Mesh2_poly_nodes:valid_range = "valid minimum, valid maximum"

Kantenverzeichnis der Polygone

integer Mesh2_poly_edges(nMesh2_poly,nMaxMesh2_poly_edges)

Mesh2_poly_edges:standard_name = "???" ; \\ yet to be determined

Mesh2_poly_edges:long_name = "list of 2D mesh edges for all 2D mesh polygons" ;

Mesh2_poly_edges:_FillValue = "fillvalue" \\ indicates missing edges

Mesh2_poly_edges:valid_range = "valid minimum, valid maximum"

Knotenverzeichnis der Kanten

integer Mesh2_edge_nodes(nMesh2_edge,Two)

Mesh2_edge_nodes:standard_name = "???" ; \\ yet to be determined

Mesh2_edge_nodes:long_name = "list of 2D mesh nodes for all 2D mesh edges, start node - end node" ;

Mesh2_edge_nodes:_FillValue = "fillvalue" \\ indicates missing nodes

Mesh2_edge_nodes:valid_range = "valid minimum, valid maximum"

Bemerkung: Könnte aus dem Kantenverzeichnis der Polygone sowie dem Knotenverzeichnis der Polygone abgeleitet werden.

Polygonverzeichnis der Kanten

integer Mesh2_edge_polys(nMesh2_edge,Two)

Mesh2_edge_polys:standard_name = "???" ; \\ yet to be determined

Mesh2_edge_polys:long_name = "list of 2D mesh polygons for all 2D mesh edges, left polygon - right polygon" ;

Mesh2_edge_polys:_FillValue = "fillvalue" \\ indicates missing polygons

Mesh2_edge_polys:valid_range = "valid minimum, valid maximum"

Bemerkung: Könnte aus dem Kantenverzeichnis der Polygone sowie dem Knotenverzeichnis der Polygone abgeleitet werden.

Koordinatentransformation

integer crs ;

crs:grid_mapping_name = "transverse_mercator" ;

crs:scale_factor_at_central_merdian = value ;

crs:longitude_of_central_meridian = value ;

crs:latitude_of_projection_origin = value ;

crs:false_easting = value ;

crs:false_northing = value ;

Anmerkungen, Fragen

• Datei ist vollständig CF-konform - keine Erweiterungen erforderlich!

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