Selective Style Allocation

Style references may be applied selectively using PML expressions, for example:

USE /S3 FOR ALL BRAN WITH (PSPE EQ /RF150 )

USE S4 FOR ALL BRAN WITH ((HBORE LE 50) OR (TBORE LE 50)

USE S5 FOR ALL BRAN WITH ((HBORE GT 80) AND (TBORE GT 80)

USE /S6 FOR ALL BRAN WI ((PSPE EQ /RF200) AND ((HBOR GT 60)

OR (TBOR GT 60)))

USE /S7 FOR ALL SCTN WI (CUTL GT 5000)

USE /STYLE1 FOR ALL BRAN WI (ISPE EQ NULREF)

Note: For full details of using expressions, see the Design Reference Manual, Part 1 General Commands.

The comparators available are: EQ, NE, LT, LE, GE, GT (although in some instances only EQ and NE are valid).

• Each logical expression can be preceded by NOT, for example:

WI (PSPE EQ /RF300 AND NOT BUILT)

• The operands on either side of a comparator are interchangeable, for example:

  WI (PSPE EQ /RF300	is equivalent to	WI /RF300 EQ PSPE
  WI (ABORE GT 80)	is equivalent to	WI 80 LE ABORE

  Note: That it is possible to apply a selection criterion to a list of class types by enclosing them in brackets, for example:

  USE /ST1 FOR (ALL BRAN ALL SUBS) WI (ZONE EQ /ZONE.PIPES)

  Without the brackets the selection criterion would only be applied to SUBS.

  Selection criteria should not be used unnecessarily. For example, if you wish to draw small-bore Branches in style /ST1 and the rest in style /ST2, it is only necessary to say:

  USE /ST1 FOR ALL BRAN WI (HBOR LE 80 OR TBOR LE 80)

  USE /ST2 FOR ALL BRAN

  As long as the criteria are defined in this order, all small-bore Branches will match the first criterion and the rest, having failed to match the first criterion, will match the second.