source: trunk/MESOSCALE/LMD_MM_MARS/SRC/WPS/geogrid/doc/options.txt @ 1243

Last change on this file since 1243 was 11, checked in by aslmd, 14 years ago

spiga@svn-planeto:ajoute le modele meso-echelle martien

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1Mandatory options describing what the data is a source of and
2when it should be used:
3    fieldname={STRING}  -- name of output field calculated from this source
4    output_stagger={U V M HH VV} -- the staggering of the output field
5    dest_fieldtype={continuous categorical}  -- type of field calculated from src
6    priority={INTEGER}  -- priority level of this source (larger number =
7                           higher priority)
8
9
10Options describing other aspects of the source:
11    path={STRING}  -- where to find the data
12    fill_missing={REAL}  -- value assigned to gridpoints that have no data
13    halt_on_missing={yes no}  -- halt if missing values found in output field
14    z_dim_name={STRING}  -- for 3-d output fields, name of z dimension
15    masked={land water} -- ??? this is field should be masked by land/water
16
17
18Option to indicate which field the landmask should be computed from; should be
19specified for exactly one fieldname:
20    landmask_water={INTEGER}  -- compute landmask based on value of water
21    landmask_land={INTEGER}  -- compute landmask based on value of land
22
23
24For dominant category-type fields:
25    dominant_category={STRING}  -- name of dominant category to compute from src
26    dominant_only={STRING}  -- only compute a dominant category from src
27
28For derivatives (only for continuous fields):
29    df_dx={STRING} -- calculate df_dx for this field, and name the result STRING
30    df_dy={STRING} -- calculate df_dy for this field, and name the result STRING
31
32Other options:
33    scale_factor={REAL}  -- scale final field by this scalar
34    interp_option={sixteen_pt four_pt nearest_neighbor average}  -- interpolation type
35    smooth_option={1-2-1 smth-desmth}  -- smoothing type, if specified
36    smooth_passes={INTEGER}  -- number of smoothing passes
37
38
39Mandatory options describing the projection of the source:
40These options are used in the `index' file for each source, NOT in the
41input.table
42    fieldtype={continuous categorical}  -- type of this source data
43    proj={lambert polar mercator regular_ll}  -- projection of source
44    dx={REAL}
45    dy={REAL}
46    missing_value={REAL}  -- value of missing data
47    signed={yes no}  -- whether signed in 2's complement format
48    known_x={REAL}
49    known_y={REAL}
50    known_lat={REAL}
51    known_lon={REAL}
52    truelat1={REAL}
53    truelat2={REAL}
54    stdlon={REAL}
55    units={STRING}
56    description={STRING}
57    wordsize={INTEGER}  -- how many bytes per value
58    tile_x={INTEGER}  -- number of points in x direction per tile
59    tile_y={INTEGER}  -- number of points in y direction per tile
60    tile_z={INTEGER}  -- number of points in z direction per tile
61    tile_z_start={INTEGER}  -- alternate to tile_z; starting z index
62    tile_z_end={INTEGER}  -- alternate to tile_z; ending z index
63    tile_bdr={INTEGER}  -- number of halo points around each tile
64    category_min={INTEGER}  -- for categorical data, min category in the source
65    category_max={INTEGER}  -- for categorical data, max category in the source
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