Option Switch 42: Drawing Viewpoint - Isogen - Reference

Isogen Option Switches Reference

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English
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Isogen
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Isogen Version
13.0(2016)

Controls the viewing direction, or isometric orientation. You can choose from four different orientation options. The one you select is indicated on the isometric drawing by the direction in which the North arrow is pointing. This option switch is also used to enclose the North arrow within a box.

Additionally, you can use this option switch to control how flat spools are oriented on the horizontal and to define the rotation of pipelines in the horizontal plane a specified number of degrees.

Switch Settings

The following settings are available for Option Switch 42:

SWITCH POSITION 1 – Viewpoint Direction / North Arrow Enclosure

0

Position the North arrow to point towards the top-left of the isometric drawing.

1

Position the North arrow to point towards the bottom-right of the isometric drawing.

2

Position the North arrow to point towards the top-right of the isometric drawing.

3

Position the North arrow to point towards the top-left of the isometric drawing.

4

Position the North arrow to point towards the bottom-left of the isometric drawing.

5

Enclose the North arrow within a box and position it to point towards the bottom-right of the isometric drawing.

6

Enclose the North arrow within a box and position it to point towards the top-right of the isometric drawing.

7

Enclose the North arrow within a box and position it to point towards the top-left of the isometric drawing.

8

Enclose the North arrow within a box and position it to point towards the bottom-left of the isometric drawing.

SWITCH POSITION 2 – Viewpoint Direction Arrow

0

Display North arrow. This is the default setting.

SWITCH POSITION 3 – Flat Spool Orientation

0

Position the North arrow to point towards the top-left of the isometric drawing.

1

Display maximum legs in horizontal plane as laid flat.

2

Display maximum legs in parallel plane as laid flat.

3

Display longest leg in horizontal plane (bottom-left to top-right) and second longest leg in horizontal plane (bottom-right to top-left).

SWITCH POSITIONS 4-7 – Drawing Rotation Angle

This switch position has the following limitations:

  • Does not allow vertical rotation of the pipeline.

  • Has no effect on flat spool isometric drawings.

0

Orient isometric drawings in the horizontal plane using the Viewpoint Direction switch (Option Switch 42, Position 1)

Value

Orient isometric drawings in the horizontal plane in a clockwise direction by the specified number of degrees. Values are in tenths of a degree. If defined, this value overwrites the setting in the Viewpoint Direction switch.

Switch Layout

Related Program Development Specifications

Version

Date

Introduced

1.0.0

APR 1983

9.3.0 Release Notes

9.3.0

JUN 2010

10.0.0 Release Notes

10.0.0

APR 2010

10.3.0 Release Notes

10.3.0

JUL 2011

Related Option Switches

N/A

Option Switch Detail Sketch

Drawing Viewpoint (OS 42)