Peterhead Academy Technology Department Higher Graphic Communication

1
Peterhead Academy Technology DepartmentHigher
Graphic Communication

• Measured Perspective
• Revision

2
Always ensure that you have positioned the plan
correctly and to the correct scale.You must also
draw in the correct position the Picture (or
Projection Plane), the Ground Line and the Eye
Level.
el
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pp
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3
First project from the Spectator Point and
determine the position of the LH and the RH
vanishing points. Then decide which height lines
should be produced.
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4
First produce the left facing gable of the house
using the LH VP and HL1
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Next using VPL and HL2 produce the left facing
gable of the porch
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6
Now project the remaining corners of the house
and the porch
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7
Now line in the outline of the house and porch.
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The lined-in house and porch.
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9
Either use a new height line to produce the
windows or use the existing height line for the
house gable and project round the walls of the
house as shown below, care must be taken though.
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hl1
10
Having marked out the position of the windows on
the plan, now view the windows from the spectator
point and project these onto the perspective view.
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11
By continuing the technique of projecting in
perspective round the walls, the position of the
front door can be determined. See the projection
lines in blue below.See next slide for
clarification.
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12
Note the top of the door and the top of the
window are at the same height . Note where the
blue perspective line for the top of the door
passes through the intersection of the purple
perspective line for the top of the window and
the corner of the porch.
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vpl
vpr
EL
1
GL
0
PP
hl1
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13
Now line in the door as shown below.
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14
The completed drawing of the house and porch is
shown below.Good luck with your NAB test!!