Changes between Version 44 and Version 45 of NetCDF_exportUpdateChanges
- Timestamp:
- Oct 16, 2011, 10:54:49 AM (13 years ago)
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NetCDF_exportUpdateChanges
v44 v45 34 34 data from GDAL-added attributes. If the two sources conflict, we should report this and consider the CF-1 encoded info 35 35 as authoritative, which assumes a user has modified the data with a non-GDAL program. 36 37 ET: this is still valid, but no need to write in the summary 36 38 37 39 }}} … … 85 87 The following subsections describe these changes specifically. 86 88 87 ==== 3.1) Proj. SRS Handling:When exporting to NetCDF map projections via GDAL, save projection coordinate variables. Optionally, also save lat and lon mapping variables. ====89 ==== 3.1) When exporting to NetCDF map projections via GDAL, save projection coordinate variables. Optionally, also save lat and lon mapping variables. ==== 88 90 89 91 '''Related fix''': #2893 [[BR]] … … 110 112 Thus we've chosen to make it ''optional'' to write these Variables - but provide the 'WRITE_LONLAT' co option for users who wish to make sure their data is fully self-describing and CF-1 compliant, without relying on on-the-fly reprojection. 111 113 112 ==== 3.2) Proj. SRS Handling:Continue saving GDAL custom attribute tags in addition to CRS definition, but add option not to save ====114 ==== 3.2) Continue saving GDAL custom attribute tags in addition to CRS definition, but add option not to save ==== 113 115 114 116 '''New -co options''': -co WRITE_GDAL_TAGS=YES/NO (default: YES)[[BR]] … … 136 138 The GeoTranform array is not written to file unless there is no means to recover that information (i.e. in the case when lon/lat values are not written to file for a geographic CRS). 137 139 138 ==== 3.3) Proj. SRS Handling:Add saving of reference Ellipsoid parameters in CF-1 compliant format used by dataset ====140 ==== 3.3) Add saving of reference Ellipsoid parameters in CF-1 compliant format used by dataset ==== 139 141 140 142 '''New -co options''': No, though related to the new proposed WRITE_GDAL_TAGS option below.
