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Microsoft Word – assessment.docx

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Assessment

Teams

This assessment is to be carried out by teams of students completing and combining
workpackages to produce a single shared product. A student remains in one team and
works on one workpackage throughout. There are four assessment points for each team:
three sprints and a final peer assessment:

1. Sprint 1 (30%): Friday February 23rd 2017 (Week 6);

2. Sprint 2 (30%): Friday March 9th 2017 (Week 8);

3. Sprint 3 (30%): Friday March 23rd 2017 (Week 10);

4. Peer Assessment (10%): Friday March 23rd 2017 (Week 10).

Sprints

A sprint submission consists the product source code and a showcase. The source code is
all of the Java source code needed to build the product. The showcase is a short film in a
common video format such as MP4 that gives a good idea of how the product operates —
no more than two minutes per student, perhaps shot on a mobile phone. It should be made
clear who is responsible for which part of the source code and the showcase. Each sprint
submission should be made electronically, using the link provided on the module page to
the Harrison E-submit system. A submission should be a single “.zip” file for the team,
whose name is of the form “TeamXSprintY.zip’ 1.

Half of each student sprint mark is for the product as a whole at the point of submission
(that is, for all work packages), and the other half is for their particular contribution (that
is, for a single workpackage).

1 Please use the traditional ZIP format, rather than other formats such as 7Zip, GZIP, BZIP2, etc.

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Peer Assessment

At the end of the project each team member will be asked to anonymously rate the
contribution of every other team member to the project (but not themselves). These
ratings will be used to calculate a peer assessment mark.

Requirement

The requirement is to implement an on-screen simulation of a hand-held GPS device,
loosely modelled on the Garmin eTrex 20x and called the XTrek. See Figure 1. The XTrek
is a hand-held device measuring 54mm × 103mm × 33mm. On the front, it has an LCD
display; on the left it has +/- and Select buttons; on the right it has a Menu button; and at
the top it has an On/Off Button. The implementation of the simulation is to be organised
into five work packages, as outlined below.

Work Package 1: On/Off and Menu Modes

Work Package 1 is to implement the On/Off and Menu modes of the simulation.

Initially, the XTrek is in On/Off Mode. In On/Off Mode, the LCD display is blank. The
On/Off button is enabled and all other buttons are disabled. In this mode, when the On/Off
button is pressed the XTrek continues to Menu Mode.

In Menu Mode, the LCD display shows six menu tiles. See Figure 2. The +/- buttons,

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Figure 1: The XTrex.

Figure 2: On/Off Menu mode. the Select button and the
On/Off buttons are all enabled. All other buttons are
disabled. In this mode, when the +/- buttons are pressed, the

Menu button

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menu tile highlighted cycles forwards or backwards through
the tiles. In this mode, when the Select button is pressed and
the tile highlighted is “Where To?”, the XTrek continues to
Where To? Mode; when the tile highlighted is “Trip
Computer”, it continues to Trip Computer Mode; when the
tile highlighted is “Map”, it continues to Map Mode; when
the tile highlighted is “Speech”, it continues to Speech Mode;
when the tile highlighted is “Satellite”, it continues to
Satellite Mode; and when the tile highlighted is “About”, it
continues to About Mode. In this mode, when the On/Off
button is pressed the XTrek continues to On/Off Mode.

Work Package 2: Where To? and Trip Computer Modes

Work Package 2 is to implement the Where To? and Trip Computer modes of the
simulation.

In Where To? mode, the LCD display shows the current destination address (which may
be either a place name, such as “CHAGFORD”, or a postcode, such as “TQ13 8AH”), and
either a virtual alphabetic or a virtual numeric keyboard. See Figure 3. The +/-

Figure 3: Where To? mode.

buttons, the Select button, the Menu button and the On/Off buttons are all enabled. All
other buttons are disabled. In this mode, when the +/- buttons are pressed, the virtual key
highlighted cycles forwards or backwards; when the Select button is pressed, the virtual
key highlighted is added to the current destination address, unless it is the ‘⇒’ key or the

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‘⇐’ key, in which case the virtual keyboards are swapped, or the ‘DEL’ key, in which case
the last key added to the current destination address (if any) is removed. In this mode,
when the Menu button is pressed, the XTrex continues to Menu Mode, and when the
On/Off button is pressed, it continues to On/Off Mode.

In Trip Computer mode, the LCD display shows progress towards the destination address,
in the form of odometer, speed and moving time readings. See Figure 4. The Menu

Figure 4: Trip Computer mode.

and On/Off buttons are enabled. All other buttons are disabled. In this mode, when the
Menu button is pressed, the XTrex continues to Menu Mode, and when the On/Off button
is pressed, it continues to On/Off Mode.

Work Package 3: Map Mode

Work package 3 is to implement the Map Mode of the simulation.

In Map Mode, the LCD display shows a map centred on the position of the XTrek, rotated
to reflect its direction of travel. A red dot appears at the centre of the display. See Figure 5.
The +/- buttons, the Menu button and the On/Off buttons are all enabled. All other buttons
are disabled. In this mode, when the +/- buttons are pressed the magnification of the map
is either increased or decreased; when the Menu button is pressed, the XTrex continues to
Menu Mode; and when the On/Off button is pressed, it continues to On/Off Mode.

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Work Package 4: Speech Mode

This work package should not be attempted by a team of four students.

Figure 5: Map mode.

Work Package 4 is to implement the Speech Mode of the simulation.

In Speech Mode, the XTrex may be set to speak turn-by-turn directions in a chosen
language as a journey is made. Examples of such directions might be “Turn right onto
Longbrook Street.” or “Slight left towards Prince of Wales Road.”. See Figure 6. The

Figure 6: Speech mode.

+/- buttons, the Select button, the Menu button and On/Off buttons are all enabled. All
other buttons are disabled. In this mode, when the +/- buttons are pressed, the chosen
language cycles forwards or backwards through the possibilities; when the Select button

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is pressed, the chosen language is set. In this mode, when the Menu button is pressed, the
XTrex continues to Menu Mode, and when the On/Off button is pressed, it continues to
On/Off Mode.

Work Package 5: The Satellite and About Modes

Work Package 5 is to implement the Satellite and About modes of the simulation.

In Satellite Mode, the XTrex displays its position, if possible; otherwise, it displays a
message saying that its position cannot determined. See Figure 7. The Menu button and

Figure 7: Satellite mode.

the On/Off buttons are both enabled. All other buttons are disabled. In this mode, when
the Menu button is pressed, the XTrex continues to Menu Mode, and when the On/Off
button is pressed, it continues to On/Off Mode.

In About Mode, the XTrex displays information about the XTrek. See Figure 8. The

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Figure 8: About mode.

Menu button and the On/Off buttons are both enabled. All other buttons are disabled.

In this mode, when the Menu button is pressed, the XTrex continues to Menu Mode, and
when the On/Off button is pressed, it continues to On/Off Mode.