ArteKjara

Angular perspective: two points of view

In the representation using angular perspective, i.e. the object seen from the corner, there are two main points of view, and they are on the horizon line HL.

With this kind of representation sometimes it might happen that the points of view are very far one from the other and the lines coverging toward them, are longer than sheet on which you are drawing. In this case we'd better fix our sheet on a bigger one and extend the horizon line HL.

Practically if you want to draw an object, for example a house, with an angular perspective, you have to make the front corner coincide with the ground line GL, then you decide quite freely where to put the two points of view F1 and F2 on the horizon line HL, then you draw the slanting lines which run into them.

A simple house and its perspective drawing


Normally a building, seen from an observer standing on the ground level, does present itself with most of its mass above the horizon line HL, which sometimes coincide with the ground line GL, when the building is very high, as you can see in the figure.

A big building with far points of view

Instead The table you can see in the figure, has been drawn as if it was seen from a high point of view. The whole drawing is under the horizon line HL, and the two points of view F1 and F2 of the table are not the same points of view F1' and F2' of the chair, because it's a little rotated as far as the table is concerned, i.e. the border of the chair are not parallel to the border of the table, so the flight lines of the chair cannot be the same of the table's.

Drawing of a table and a chair.
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