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Coordinate Systems and Locations

Introduction

During a test, it might be relevant what the exact locations of a transducer is. A location can be expressed relative to a coordinate system.

Coordinate Systems

A coordinate systems is an orthogonal, threedimensional system. It can be defined relative to a parent coordinate system with a rotation axis, a rotation angle and a translation.

Testdefiner

Coordinate systems are defined in a Testdefinition under Advanced -> Coordinate Systems. Systems can be loaded from a file or entered manually.
Notes:

  • A coordinate system can have one parent coordinate system.
  • The rotation axis doesn't have to be normalized.
  • To transform from the parent system to the child system, first the translation is applied, then the rotation.

STREAM Library

The next functions are dealing with coordinate systems:

Function

Description

streamRead

Read coordinate systems from the Testdefinition when reading a file

streamPutCoordSystems

(Re)define the relations between coordinate systems

TBD

 

Locations

TBD

Testdefiner

STREAM Library

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