DOI Page / Citation link:
https://doi.org/10.11588/diglit.18733#0083
[ fit ]
No. V. Shews the inside of an apartment: C the
center, L the horizontal line ; the windows are placed
according to measures given, and set off on the ground
line A. 1234 refer to the distances of the window
panes, <5cc. and being ruled to L, cut the line A C, at
the proper places, from whence perpendiculars being
raised, the will os the window is found ; the planes being
supposed at the outer edge of the wall, require the con-
tinuation of the lines 2 L, 3 L, cross the window sill
5, 5 ; the upright measures, 56789, determine the
heights os the various parts, not only in the nearest
wall, but (by being ruled to CJ in the furthest, by their
intersection with it; to wffich 56789 are parallel.
The lines are continued cross thewindow sill for the panes,
as before ; and their distances from each other are regu-
lated by the original measures on the ground line, drawn
to C, as appears at 1234. All measures for hori-
zontal objects must be placed on the ground line, or on
a line parallel to it ; and those for vertical objects, on an
upright line.
PLATE VIII.
No. I. As all horizontal and vertical planes, and ob-
jects, in every situation, however diversined, follow the
rules already laid down ; we presume what has been said
may suffice to explain the method of representing them
in perspedlive : we proceed now to illustrate the nature
of planes not perpendicular, or parallel, to the pidlure,
but inclined to it.
In this example, C is the center of the picture, C I
its distance, H L the vaniihing line of the ground plane
R Ch The line above R marks the inclination of the
plane to be represented, with the picture (and is here
27 K supposed
No. V. Shews the inside of an apartment: C the
center, L the horizontal line ; the windows are placed
according to measures given, and set off on the ground
line A. 1234 refer to the distances of the window
panes, <5cc. and being ruled to L, cut the line A C, at
the proper places, from whence perpendiculars being
raised, the will os the window is found ; the planes being
supposed at the outer edge of the wall, require the con-
tinuation of the lines 2 L, 3 L, cross the window sill
5, 5 ; the upright measures, 56789, determine the
heights os the various parts, not only in the nearest
wall, but (by being ruled to CJ in the furthest, by their
intersection with it; to wffich 56789 are parallel.
The lines are continued cross thewindow sill for the panes,
as before ; and their distances from each other are regu-
lated by the original measures on the ground line, drawn
to C, as appears at 1234. All measures for hori-
zontal objects must be placed on the ground line, or on
a line parallel to it ; and those for vertical objects, on an
upright line.
PLATE VIII.
No. I. As all horizontal and vertical planes, and ob-
jects, in every situation, however diversined, follow the
rules already laid down ; we presume what has been said
may suffice to explain the method of representing them
in perspedlive : we proceed now to illustrate the nature
of planes not perpendicular, or parallel, to the pidlure,
but inclined to it.
In this example, C is the center of the picture, C I
its distance, H L the vaniihing line of the ground plane
R Ch The line above R marks the inclination of the
plane to be represented, with the picture (and is here
27 K supposed