Catalogues and Specifications Reference Manual
Catalogue Database Elements Setup in PARAGON : 3D Geomset Primitives : Pyramid (LPYR)
Pyramid (LPYR)
The main use of this element is in the creation of rectangular reducers for ducting etc. LPYR has the particular attributes as follows:
•
PAAX - direction of axis normal to top face of pyramid (the A axis):
this is taken to be in the Z direction
•
PBAX, PCAX - the directions of the two axes perpendicular to the A axis and mutually perpendicular to define the position of the B and C sides
•
PBTP, PCTP - length of top faces in B axis and C axis directions
•
PBBT, PCBT - length of bottom faces in B axis and C axis directions
•
PBOF, PCOF - top face offsets in B axis and C axis directions
•
PTDI - distance from origin to centre of top face along A axis
•
PBDI - distance from origin to centre of bottom face along A axis
•
TVISI - visibility of top face
•
BVISI - visibility of bottom face
Figure 7:10.
Pyramid Catalogue Primitive
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