Graphics Programs Reference
In-Depth Information
was imported (where the plan's size was arbitrarily set), a feature on the
drawing was chosen whose dimensions were known (more or less). In this
case, the feature was a door opening, and it was assumed that it would
be around 2' 9" wide. A line was drawn across this door opening, and then
the Tape measure tool was used to measure the line. The value for this line
length appeared in the VCB, and then it was simply a matter of typing in the
real-world measurement. At this point, SketchUp asks if you want to rescale
the whole model. Click on OK, and the plan will now be at 1:1 scale (you can
verify this by using the Tape Measure tool to measure the line just drawn).
Stage 2: Constructing the Base Building and Placing the
Section
Objectives : To construct a floor of the original building to act as a base
and to place the section.
Data : Scale plan obtained in stage 1.
Tool : SketchUp Pro.
The original building and the existing partition walls were constructed by
tracing over the imported plan, whereas the cornice was modeled using the
Follow Me tool. The main building structure and the interior partition walls
were then assigned to different, named groups. The next stage was importing
the section, and then placing it in the correct position on the model. This was
rather tricky and had to be eyeballed using features that appear on both the
plan and the section. In this case, the stairs and the Beak of the main girder
were used.
FiG 12.2 The section and the plan
in place on a textured model of the
original building.
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