Maptitude GISDK Help

ImportFromView()

Summary

Creates a geographic file of point features from coordinates in a view.

 

Syntax

ImportFromView(string view_set_name, array fields, string new_db_name, array options)

 

Argument Contents
view_set_name The view or selection set to import
fields An array of three field names (strings) for the ID, the X-value, and the Y-value
new_db_name The name of the new geographic file

 

Option Type Contents
Label String A descriptive label for the geographic file
Layer Name String The name of the layer in the geographic file
NAD Conversion 3 strings Input datum, output datum, and conversion file (if needed); the input and output datums should be different
Optimize Boolean Whether to optimize the geographic file automatically after the import (defaults to "True")
Projection String, array The projection name and the array of options
Transform Array Array indicating the transformation to apply to coordinates in the file. This can have three forms:1. An array of two or more four-element arrays containing local and world coordinates for control points, for example, {{real localX1, real localY1, real longitude1, real latitude1}, ...}2. An array of four elements - {real X_multiplier, real Y_multiplier, real X_offset, real Y_offset}3. Center and Extent transform {c1_x, c1_y, width_1, c2_x, c2_y, width_2}where center is shifted from (c1_x,c1_y) to (c2_x,c2_y), and vector of length width_1 out of c_1 becomes a vector of length width_2 out of c_2.

 

Notes

Example

ImportFromView("Customers|", {"ID", "X", "Y"}, "customer.dbd", {

     {"Label", "Customer Database"},

     {"Layer Name", "Customers"},

     {"Optimize", "True"},

     {"Projection", "utm", {"zone=12", "units=m"}},

     {"NAD Conversion", "NAD27", "NAD83",}

     })

 

Error Codes

Error Type Meaning
Error The coordinates are of the wrong type or invalid
NotFound There is no view with the specified name, orone or more of the fields does not exist in the view
Escape The user clicked Cancel

 

 

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