Axial Attributes

Catalogues and Specifications Reference Manual

Manipulating the Catalogue Database using PARAGON : Reference Section : Axial Attributes

Axial attributes of both 3D and 2D primitives define a position and a direction. An axial attribute of a 3D primitive may be specified as a direction in one, two or three dimensions or as a P-point. Similarly, the axial attribute of a 2D primitive may be specified as a direction in one or two dimensions or as a P-line.

If an axial attribute of a 3D primitive is specified as a P-point, the direction of the axis is taken to be the direction of the P-point, and the origin of the axis to be the position of the P-point. If the axial attribute is specified as a direction, the origin of the axis is taken to be the component origin, i.e. the position of P-point 0.

Examples:


PAAX -P2	sets PAAX to be opposite the direction of P-point 2 with its origin at the position of the P-point
PBAX X34-Y	sets PBAX to the given direction from the component origin
PCAX X45Y30Z	sets PCAX to the given direction from the component origin
PAXI X DDANG Z	takes the Design DDANGLE and calculates the direction accordingly

Syntax:

>--+- PAXIs --.
   |          |
   |- PAAXis -|
   |          |
   |- PBAXis -|
   |          |
   ‘- PCAXis -+- sign -.
              |        |
              ‘--------+- P - number -------------------------------.
                       |                                            |
                       ‘- <axis> -+- value -----.                   |
                                  |             |                   |
                                  |- <expres> --+- sign -.          |
                                  |             |        |          |
                                  |             ‘--------+- <axis> -|
                                  |                                 |
                                  ‘---------------------------------+-->

where <axis> is

>--+-- X --.
   |       |
   |-- Y --|
   |       |
   ‘-- Z --+-->

If the axial attribute of a 2D primitive is specified as a P-line, the direction of the axis is taken to be the direction of the P-line, and the origin of the axis to be the position of the P-line. If the axial attribute is specified as a direction or direction expression, the origin of the axis is taken to be the component origin.

Examples:


PLAX PLIN NAXI	sets PLAX to be the direction of the P-line whose PKEY attribute is NAXI; the origin of the axis is at the position of the P-line
PLAX X60-Y	sets PLAX to the given direction from the component origin

Syntax:

>- PLAXis -+- sign -.
           |        |
           ‘--------+- PLINe - <plkey> --------------------------.
                    |                                            |
                    ‘- <axis> -+- value -----.                   |
                               |             |                   |
                               |- <expres>  -+- sign -.          |
                               |             |        |          |
                               |             ‘--------+- <axis> -|
                               |                                 |
                               ‘---------------------------------+-->

where <axis> is

>--+-- X --.
   |       |
   ‘-- Y --+-->

and <plkey> is the PKEY attribute of the P-line.