GLS270 Coordinate System

Write your: REAL NAME / GROUP

eg: Noorfatekah Talib/ RAP1204A

Definition of coordinate system?

• defined coordinates to the point in a 2D space relative to a centre and orientation.

• defined coordinates to the point in a 3D space relative to a centre and orientation.

• defined coordinates to the point in a 2D or 3D space relative to a centre and orientation.

Coor System can be represented in how manay categories?

• 1

• 2

• 3

• 4

§Example of curved earth models is ?

• Geodetic coor system

• Astronomical coor system

• Geodetic coor system

The difference between Geodetic and Astronimomical Coor System are ?

• Geodetic - normal to geoid

• Geodetic - normal to ellipsoid

• Astronomic - normal to ellipsoid

The difference between these two directions at a point is known as the deflection of _______________.

• angle

• vertical

• direction

Cartesian Coor System is difficult to display location of a point on the Earth using X, Y and Z.

• TRUE

• FALSE

Cartesian coor system also known as Geodetic coor system. True or False?

• TRUE

• FALSE

This conversion shown the knowledge of the parameters of an adopted reference ellipsoid from what coordinate system?

• Geodetic to Cartesian

• Cartesian to Geodetic

Above shown the formula for Prime Vertical radius of curvature. Define what is 'a' ?

• semi minor

• semi major

• major

• mayor