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drawlab
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1991-11-22
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5.11.7 DRAW LABEL
The DRAW LABEL command is used to create a label as a combination of an
arrowhead, extension line and label text.
COMMAND FORMAT
#DRAW LABEL modifiers :Loc x1 x2 ... xn [:Loc ... ]
Location 'x1' is used to define the position of the arrowhead for the label.
The direction of the arrowhead is defined by the angle between locations
'x1' and 'x2'. The label extension line is drawn between all locations 'x1'
to 'xn'. The label text is positioned at location 'xn'.
MODIFIERS
ARROWHEAD The ARROWHEAD modifier is used to select the type of
arrowhead to be used. The modifier is followed by one of 3
keywords to select the arrowhead type:
CLOSED Use a closed unfilled arrowhead.
FILLED Use a closed filled arrowhead.
OPEN Use an open arrowhead ( < shape ).
.LENGTH Requires a real value to specify the length of the arrowhead.
..RATIO Specifies the ratio between the arrowhead length and width.
If the arrowhead length was entered as 5mm, a ratio of 2.5
will make the arrowhead width 2mm.
The above three modifiers can all be preset by using the SELECT DIMENSION
command.
POSITION POSITION is used to define how the label text will be
aligned relative to location 'xn' and the last segment of
of the label extension line. POSITION can be followe by one
of two keywords:
HORIZONTAL Specifies that the label text should be
aligned horizontally. ( Default ).
ALIGN Specifies that the label text should be
aligned to the last segment of the label
extension line.
BUBBLE The BUBBLE modifier will cause the label text to be
enclosed by a circle or bubble. Unless the DIAMETER modifier
is used, the diameter of the bubble will be calculated from
the length and height of the label text.
.DIAMETER Used to specify a fixed diameter for the above option.
TEXT The TEXT modifier is followed by one or more text strings
each of which are used as successive labels are entered. At
least one text string must be entered. ( See the command
DRAW TEXT for the format of the TEXT modifier ).
PARAMETERS The PARAMETERS modifier is used to enter a further family
of modifiers used to control the text parameters and
appearance.
See the documentation for the command DRAW TEXT for a full
description of the modifiers used to control text parameters.
UNLINK By default, all of the entities that go to make up the label
will be related as equal members. The UNLINK modifier can
be used to suppress this.