FixQuality

Applies to

GPSFix objects

Description

Indicates whether the position fix uses the standard Global Positioning System (GPS) or Differential GPS (DGPS). DGPS has an additional correction signal that improves the accuracy of the GPS. Values are:

• 0 Invalid

• 1 GPS fix

• 2 DGPS fix

Usage

In scripts

The FixQuality property is an integer that indicates the quality of the fix. In this example, the SerialGPS object retrieves information about the current fix and, based on that information, writes an appropriate string value to a single line edit box:

integer li_quality

li_quality = myFix.FixQuality
CHOOSE CASE li_quality
   CASE 0
      sle_quality.text = "Invalid fix"
   CASE 1
      sle_quality.text = "GPS fix"
   CASE 2
      sle_quality.text = "DGPS fix"
END CHOOSE

Copyright © 2004. Sybase Inc. All rights reserved.

View this book as PDF