Description Usage Arguments Details See Also Examples
This function is used to define the geographical strata system
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Parameter descrption. |
The DefineStrata function is used to specify a strata system. A reference multi-polygon Well Known Text format (WKT) file, containing a geographical strata system (Open Geospatial Consortium, WKT standard), may be read as input to the function. Alternatively, the WKT strata definitions can be input from the project.xml file if a strata system has been defined previously for the current StoX project. Finally, strata definitions can be modified in the StoX GUI-map and new strata may be added manually.
Since the end user can manually alter strata definitions, data on the strata system is stored as process-data in the project.xml file. All data created in a StoX project that can be generated manually, and which therefore cannot be automatically recreated, is stored to the project.xml file.
In the GUI map, the end user can also decide to mark one or more strata as being excluded from the total survey estimate. Estimates will however be calculated also for strata that are excluded, but they will be left out of the aggregated survey results.
References:
Open Geospatial Consortium (OGC), Well-known text representation of coordinate reference systems, https://www.opengeospatial.org/standards/wkt-crs
roxygenize
is used to generate the documentation.
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