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Elliptical Cylinder Creation Mode
Shapes CylinderElliptical Cylinder
In this mode, you may interactively define an elliptical cylinder by
double-clicking its base center point, its semi-axes, and its height in
the currently active .
The axis of the elliptical cylinder will always be oriented perpendicular
to the currently active .
To define an elliptical cylinder with a different axis, you must first
change the working plane’s orientation by using local coordinate
systems.
Creation steps
When you first enter the mode, you will be
asked to double-click to mark the base center point of the elliptical
cylinder. The cursor’s location will be projected onto the currently
active to define the center (always
remember to release the mouse button after double-clicking, before dragging
to the next point). After the first point has been set, you may
specify the first semi axis of the base ellipse by again double-clicking
at a location on the working plane. During this operation, a rubber-band
line will be displayed indicating the current size and location of the
base ellipse’s first semi axis. The next step allows you to specify the second
semi-axis of the base ellipse in the same manner as before. During this
operation, a rubber-band ellipse will be displayed indicating the current
size and location of the base ellipse. In the last step, you may specify the height
of the elliptical cylinder by double-clicking a distance perpendicular
to the working plane. During this operation, a rubber-band elliptical
cylinder will be displayed indicating the size and location of the currently
defined cylinder. Finally an Elliptical
Cylinder dialog box appears where you may check your settings and
assign a ,
a
and a material
for the new elliptical cylinder.
Display of locations
Throughout this mode, the current mouse location
will be displayed in the lower right corner of the .
Snap mode
All positions will be adjusted to the snap
grid when active.
Cancel interactive mode
You may cancel this interactive mode at any
time by pressing the ESC key. Pressing ESC again in the following dialog
box will terminate the elliptical cylinder creation.
Undo last double-click
You may go back to the last step by pressing
the BACKSPACE key. Pressing this key in the interactive mode will undo
the last double-click.
Numerical specification of coordinates (TAB key
and SHIFT+TAB key)
To precisely specify the shape coordinates,
you may press the TAB key whenever a point must be double-clicked. A small
coordinate dialog
box will open in which you may specify the shape coordinates numerically.
The dialog entries take over the coordinates
at the cursor position on the .
However, if the SHIFT+TAB key is pressed, the coordinates are always set
to zero.
Pick tools to specify coordinates
You may snap the location to a previously defined
shape’s corner, cylinder radius, etc., by activating a point
pick tool, at the moment when the next point must be specified. The
double-click will be processed by the pick functionality to specify the
location of a point. The picked point will then be taken as the selected
location.
See also
Working
Plane Properties, Standard
view changing options, Snap
grid, Elliptical
Cylinder, Coordinate
dialog box, Point
pick tool, Material
Parameters.
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