Changes between Version 61 and Version 62 of doc/app/iofiles/pids/static

Timestamp:

Nov 27, 2019 1:47:41 PM (5 years ago)

Author:

gronemeier

Comment:

add description of grid mapping

doc/app/iofiles/pids/static

@@ -46 +46 @@
 ----
 
+=== [=#grid_mapping '''grid mapping] ===
+Grid mapping is defined via variable ''crs'' which is defined as:
+||='''Variable'''=||='''Type'''=||='''Attributes'''=||='''Remarks'''=||
+||''crs''         || NC_INT     || see list below   || ''crs'' has no dimensions (single integer); its value does not need to be set. ||
+
+The following list defines the attributes of the grid-mapping variable ''crs''. Given values are an example of how to define "EPSG:25833" (ETRS89 / UTM zone 33N).
+||='''Attribute'''                     =||='''Type'''=||='''Value'''                  =||
+||{{{long_name}}}                       || NC_CHAR    || "coordinate reference system" ||
+||{{{grid_mapping_name}}}               || NC_CHAR    || "transverse_mercator"         ||
+||{{{semi_major_axis}}}                 || NC_CHAR    || 6378137.0                     ||
+||{{{inverse_flattening}}}              || NC_FLOAT   || 298.257222101                 ||
+||{{{longitude_of_prime_meridian}}}     || NC_FLOAT   || 0.0                           ||
+||{{{longitude_of_central_meridian}}}   || NC_FLOAT   || 15.0                          ||
+||{{{latitide_of_projection_origin}}}   || NC_FLOAT   || 0.0                           ||
+||{{{scale_factor_at_central_meridian}}}|| NC_FLOAT   || 0.9996                        ||
+||{{{false_easting}}}                   || NC_FLOAT   || 500000.0                      ||
+||{{{false_northing}}}                  || NC_FLOAT   || 0.0                           ||
+||{{{units}}}                           || NC_CHAR    || "m"                           ||
+||{{{epsg_code}}}                       || NC_CHAR    || "EPSG:25833"                  ||
+
+----
+
 === [=#attrlist '''List of attributes] ===
 The following list gives an overview of attributes that can be assigned to variables in a static driver file.
-||='''Attribute'''  =||= Type  =||= Value =||= Description =||
-||{{{_FillValue}}}   || Variable-specific || Variable-specific || Fill value for missing data ||
-||{{{coordinates}}}  || NC_CHAR || "E_UTM N_UTM lon lat" (?) ||Coordinate system ||
-||{{{flag_meanings}}} || NC_CHAR || Variable-specific ||Explanation of the meaning of 0b and 1b for NC_BYTE variables ||
-||{{{flag_values}}}  || NC_BYTE || 0b, 1b            ||Explanation of the meaning of 0b and 1b for NC_BYTE variables ||
-||{{{grid_mapping}}} || NC_CHAR || "crsUTM: E_UTM N_UTM crsETRS: lon lat" (?) ||Grid mapping ||
-||{{{lod}}}          || NC_INT  || Variable-specific ||Level of detail used for some variables ||
-||{{{long_name}}}    || NC_CHAR || Variable-specific ||Variable long name ||
-||{{{res_orig}}}     || NC_CHAR || Variable-specific ||Resolution of the original data ||
-||{{{source}}}       || NC_CHAR || Variable-specific ||Data source ||
-||{{{units}}}        || NC_CHAR || Variable-specific ||Units of the variable ||
-||{{{valid_range}}}  || NC_BYTE || 0b, 1b            ||Valid range of values ||
+||='''Attribute'''  =||= '''Type'''  =||= '''Value''' =||= '''Description''' =||
+||{{{_FillValue}}}   || Variable-specific || Variable-specific       || Fill value for missing data ||
+||{{{coordinates}}}  || NC_CHAR  || "E_UTM N_UTM lon lat x y z time" || Coordinate system ||
+||{{{flag_meanings}}} || NC_CHAR || Variable-specific                || Explanation of the meaning of 0b and 1b for NC_BYTE variables ||
+||{{{flag_values}}}  || NC_BYTE  || 0b, 1b                           || Explanation of the meaning of 0b and 1b for NC_BYTE variables ||
+||{{{grid_mapping}}} || NC_CHAR  || "crs"                            || Grid mapping ||
+||{{{lod}}}          || NC_INT   || Variable-specific                || Level of detail used for some variables ||
+||{{{long_name}}}    || NC_CHAR  || Variable-specific                || Variable long name ||
+||{{{res_orig}}}     || NC_CHAR  || Variable-specific                || Resolution of the original data ||
+||{{{source}}}       || NC_CHAR  || Variable-specific                || Data source ||
+||{{{units}}}        || NC_CHAR  || Variable-specific                || Units of the variable ||
+||{{{valid_range}}}  || NC_BYTE  || 0b, 1b                           || Valid range of values ||
 
 ----
@@ -65 +87 @@
 === [=#dimensions '''List of dimensions] ===
 The following list provides an overview of all dimension variables that can be used in a static driver file. All dimensions should start with 0, except for ns, which has to start with 1.
-||='''Dimension'''  =||= '''Type'''  =||= '''Value''' |= '''Description''' =||
+||='''Dimension'''  =||= '''Type'''  =||= '''Value''' =||= '''Description''' =||
 ||''nalbedo_pars'' || NC_INT || 8 || number of elements in [#albedo_pars ''albedo_pars''] ||
 ||''nbuilding_surface_pars'' || NC_INT || 28 || number of elements in [#building_surface_pars ''building_surface_pars''] ||