Maptitude GISDK Help

ImportGIRAS()

Summary

Imports features from USGS Land Use and Land Cover files.

 

Syntax

ImportGIRAS(array filenames, string new_db_name, array options)

 

Argument Contents
filenames An array containing the path and file names of the files to import
new_db_name The path and file name of the new geographic file

 

Option Type Contents
Edge Snapping Boolean Whether to snap tile boundary nodes to better match features across tiles (defaults to "False")
Label String A descriptive label for the geographic file
Layer Name String The name of the layer in the geographic file
Median Split Boolean If "True" special handling insures that entities which cross the 180 degree longitude line are imported properly; if "False" (the default), no special handling is invoked
Optimize Boolean Whether to optimize the geographic file automatically after the import (defaults to "True")
Snap Distance Real Distance in miles to snap tile boundary nodes
Table Filename String The path and name of the file in which attributes are stored; the file extension must be .BIN, .CSV, .DBF, or .TXT; a required option

 

Notes

Example

ImportGIRAS({"c:\\lulcfiles\\boston.GIR"}, "landuse.dbd", {

     {"Label", "Land Use and Land Cover"},

     {"Layer Name", "LULC"},

     {"Optimize", "True"},

     {"Table Filename", "landuse.bin"}

     })

 

Error Codes

Error Type Meaning
NotFound The specified file could not be found
Error The file is not a valid Land Use and Land Cover file

 

See Also

Function Summary
GetGIRASInfo() Collects summary information on the contents of a USGS Land Use and Land Cover file
ImportDEM() Imports features from Digital Elevation Model files
ImportDLG() Imports features from USGS Digital Line Graph files

 

 

©2025 Caliper Corporation www.caliper.com