HUD

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Section 5 - HUD

5.1 - Console
5.2 - [Text_Tags]
5.3 - *Legend
5.4 - *Compass & Axes

*indicates not yet implemented, but planned for future version.

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HUD Overview

The Heads Up Display (HUD) provides feedback of the current state of the scene and command status. In general, it is a 2D overlay on top of the 3D scene which contains indicators such as text labels, compass and console output.

*The HUD console will implement a LISP interpreter or equivalent.

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5.1 Console

The console serves as the primary message output for the user. Most commands return a result that is sent to the console to give the user feedback on the action taken and the resulting change of state.

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5.2 [Text_Tags]

Pins can have a label with up to 3 lines associated with them. For example a name with latitude and longitude could be displayed. The 3 line label can display specific units and properties defined by the table of conversion factors. Please see the File Section of this document for information on how to setup unit conversion factors.

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5.3 *Legend

A variety of icons are provided to aid in creating the legend. Icons are designed to refer to parameters such as scale, color range, geometry type, texture and orientation. The legend parameters are part of the conversion table (see the File Section of this document for additional info.)

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5.4 *Compass & Axes

The compass displays the position and orientation of the currently active object. If the camera is selected, it will display the altitude and coordinates of the camera, along with the direction (bearing) it is facing and vertical angle. Units are typically in degrees and global units, however it is possible to switch the units to custom types with offsets. If a pin is selected the coordinates of the pin will be displayed with the altitude and orientation. Indicators will include the active axes state.