Maptitude GISDK Help

ImportBTS()

Summary

Imports features from a BTS National Transportation Atlas file.

 

Syntax

ImportBTS(string filename, string new_db_name, string layer_type, array options)

 

Argument Contents
filename The path and file name of the file to import
new_db_name The path and file name of the new geographic file
layer_type The type of features to import: Point, Line, or Area

 

Option Type Contents
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
Node Layer Name String The desired name for the endpoint layer (only when importing a line layer)
Node Table String The path and file name in which node attributes are stored (only when importing a line layer); the file extension must be .BIN, .CSV, .DBF, or .TXT
Optimize Boolean Whether to optimize the geographic file automatically after the import (defaults to "True")
Table Filename String The path and file name in which attributes are stored; the file extension must be .BIN, .CSV, .DBF, or .TXT; a required option

 

Example

ImportBTS("c:\\ntad\\bea.ARE", "bea.dbd", "Area", {

     {"Label", "Bureau of Economic Analysis Areas"},

     {"Layer Name", "BEA Area"},

     {"Optimize", "True"},

     {"Table Filename", "bea.bin"}

     })

 

Error Codes

Error Type Meaning
NotFound There is no file by this name
Error The file is not a valid National Transportation Atlas file

 

 

©2025 Caliper Corporation www.caliper.com