DRAW
User Guide
Isometric Automatic Drawing Production
:
Isometric Drawings Production
: Spooling
Spooling
Isometric ADP produces Fabrication and Erection isometrics, which means that the drawing is designed to provide fabrication information about spools.
A Design Branch is broken down into a smaller set of easily managed Design components called spools. These spools are fabricated individually and later connected together to form the Design Branch in situ.
Isometric ADP allows for two methods of splitting HVAC and CWAY Design Branches into Fabrication Spools:
•
By Volume
•
By Split Points
By Volume
Isometric ADP uses predefined boxes (volumes) to define the content of each spool.
Changing the size of the box, enables you to choose the level of complexity of each spool. The content of each drawing is not preserved and changes made to the branch can affect all existing drawings.
The administrator sets the range and values of box sizes, which translates into a set of Complexity values. Refer to
Preview Spooling
for further information.
By Split Point
An attribute is set in the 3D model as the flag to mark the end of the Spool.
By choosing how the branch is split into spools from within the 3D model, you can control the content of each drawing. The split points are preserved, not all existing drawings are necessarily changed during an update if a branch is modified.
The way in which the Design points are set depends on the Design element type.
Cableway
The Cableway element CTMTRL can own any of the component types CTSTRA, CTRISE, CTBEND, CTTEE, CTCROS and CTREDU. Each component has an attribute that specifies if the Spool is split. To set the spool splitting, use the following syntax at CTMTRL members:
SSPLIT TRUE
The component is the last in the current spool
SSPLIT FALSE
The component is a member of the current spool
HVAC
The size and connections of HVAC components are controlled by Design Parameters. The Spool Split Point is also a Design Parameter, to set the spool splitting, use the following syntax at BRAN members.
DESP N37 TRUE
The component is the last in the current spool
DESP N37 FALSE
The component is a member of the current spool
You can query the Design Parameter value using the following syntax:
Q PROP SPLI
1974 to current year.
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