Changes between Version 7 and Version 8 of GridMapNames


Ignore:
Timestamp:
05/22/08 12:02:43 (11 years ago)
Author:
edavis
Comment:

Add orthographic (EPSG 9840).

Legend:

Unmodified
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  • GridMapNames

    v7 v8  
    5656 * ''latitude_of_projection_origin''
    5757 * Either ''standard_parallel'' or ''scale_factor_at_projection_origin''
    58  * ''standard_parallel''
     58 * ''standard_parallel'' - There may be 1 or 2 values.
    5959
    6060===== Map coordinates: =====
     
    6565
    6666Notes on using the PROJ.4 software packages for computing the mapping may be found at http://www.remotesensing.org/geotiff/proj_list/mercator_1sp.html ("Mercator (1SP)" or EPSG 9804) or http://www.remotesensing.org/geotiff/proj_list/mercator_2sp.html ("Mercator (2SP)" or EPSG 9805).
     67
     68==== Orthographic ====
     69
     70{{{
     71grid_mapping_name = orthographic
     72}}}
     73
     74===== Map parameters: =====
     75
     76 * ''longitude_of_projection_origin''
     77 * ''latitude_of_projection_origin''
     78 * ''false_easting''
     79 * ''false_northing''
     80
     81===== Map coordinates: =====
     82
     83The x (abscissa) and y (ordinate) rectangular coordinates are identified by the ''standard_name'' attribute value ''projection_x_coordinate'' and ''projection_y_coordinate'' respectively.
     84
     85===== Notes: =====
     86
     87Notes on using the PROJ.4 software packages for computing the mapping may be found at http://www.remotesensing.org/geotiff/proj_list/orthographic.html ("Orthographic" or EPSG 9840).