ENAC Viewpoint Finder
Neuro-SensomotoricPSY0A photograph shows a few simple solids standing in the sand. Beside it, the same scene is drawn from directly above, with eight camera positions round it, and every camera looks at the centre. Click the position the photograph was taken from. The shadows, the left-to-right order of the objects, and the objects you can't see all tell you where you're standing. The exam format is 10 boards with 20 seconds each.
Overview
Run the four checks below on every board, in order, and stop as soon as you're down to one position. The shadows usually leave two or three positions side by side, so most of your time goes on telling neighbours apart. Neighbours see almost the same picture. What separates them is two objects you can name swapping sides, or one object slipping behind another. Build your answer on the big, clear objects, because the small and half-hidden ones are easy to miss.
Assessments
Part of the Air France Cadets selection at ENAC (PSY0) battery as “Objets 3D”.
A photograph of a group of simple solids standing on flat ground under a single light, beside a plan of the same group with eight positions marked around it, each one looking at the middle. You pick the position the photograph was taken from, and the board is right or it is wrong. Three things answer it and they go in one order: the direction the shadows run, which of two solids is on the left, and whether any solid would be hidden from a position still in the running. Object sizes vary and some pieces are very small, which is where the last of those bites, because a small piece is the first thing to disappear behind something bigger.
Battery mappings are based on public information and may change.
One board, two pictures
- The photograph is taken from ground level, from one of the eight positions.
- The plan is the same scene from directly above. From every position the camera looks at the centre.
- The sun is in the same place in both pictures, so the shadows run the same way.
Where was the photograph taken from?
Click a position on the plan, then hit Check.
Game Phases
Read the Shadows
Look at which way the shadows run in the photograph: left or right, towards you or away. Only two or three positions see the plan's shadows running that way.
Two Landmarks
Pick two objects you can name. Keep only the positions that see them in the same left-to-right order as the photograph.
Find a Line
If two objects stand one behind the other in the photograph, they sit on a line that runs straight to your position on the plan.
Check What Is Missing
If an object should be right in front of a camera but isn't in the photograph, that camera's out.
More Practice
Spatial Orientation
11 exercisesSpatial Awareness
Visualise a 3D shape from a fixed viewpoint and pick the matching 2D view. Tests mental rotation and spatial perception under time pressure.
Mental Rotation
See a 3-D block figure, then pick the option that is the same object rotated — not a mirror image or a different shape. The classic Shepard–Metzler / Vandenberg–Kuse task.
Spatial Orientation
Read your compass heading and a beacon's bearing, then judge where the beacon lies relative to your aircraft. Tests spatial orientation and sense of direction under time pressure.
Cube Folding
Mentally fold a flat net of six symboled faces into a cube, then pick which of four folded cubes it makes. Tests spatial visualisation and 2D-to-3D reasoning under time pressure.
Sense of Direction
One arrow shows your vehicle's new heading; you name the driving maneuver that got you there — straight, left, right or U-turn — on a circular four-wedge control. A practice version of scales nav, Aon's (cut-e's) Sense of Direction test: one minute, arrows chaining item to item, your heading held only in memory, plus a sudden-death Challenge mode.
ENAC Tetralogy of Angles
Read which way a small clock runs, then measure the turn from one line to another in that direction. In the ENAC EPL form you type 40 angles in four parts of 10: over a picture, between an arrow and a point, around a cross, and as an object to straighten. In the Air France Cadets form you get a figure and 8 clocks, each printing a value, and you tick every clock that matches the angle.
ENAC Point Tracking
Two figures side by side. The round one holds a few circles and four points lettered A to D. The square one is the same figure, turned in the plane and moved, with only one of the four points left and sometimes a circle or two added. You name the point that was kept. The exam format is 32 boards in 6:30 on one clock.
ENAC Objects Tracking
Two pictures, one above the other. In the lower one, an object is circled and five more carry the letters A to E. The upper one holds the same objects moved over together, among plenty of others. Tick the letters still at the same distance and direction from the circled object, and still exactly the same. The exam format is 30 boards in 12 minutes.
ENAC Patrons de Dés
A die with a letter or a rune on each face, two or three views of it, and its net laid flat with the cells numbered. Type under each symbol the number of the cell it goes in. The symbols are already turned the way they lie on the net, so the cell you pick decides how each one sits on the die. The exam format is two parts of 10 boards, 20:00 a part for Air France Cadets and 17:00 for the ENAC EPL.
ENAC 3 Dimension Rotations
A chair starts in a slanted position, then 4 turns follow, one at a time. Each turn is a ball with an arrow and an angle, always a multiple of 45°, and you only see the chair itself beside the first one. Then you picture the chair from a named side, say from the right or from above, and pick it out of 5 pictures. The exam format is 40 boards, 5 seconds a turn and 15 seconds to answer.
ENAC Cube Nets 2D/3D
Two nets of the same die side by side: the original, complete, and yours, unfolded from the die turned another way, with a few faces in place. Drag the other faces onto yours so that it folds back into the same die, and turn the letters the right way round. The exam format is 5 boards, 90 seconds each.