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1995-07-10
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7.1.5 ECHO ENTITY
The ECHO ENTITY command is used to suppress selectively the graphics display
for a set of entities or to re-echo the graphics display for all entities.
The command is mainly used prior to plotting where certain entities or types
of entities are not required for the plot.
COMMAND FORMAT
#ECHO ENTITY modifiers [CR]
or
#ECHO ENTITY OFF :Ent x1 x2 ... xn
If the OFF modifier is used, all entities identified via IDENTS will no
longer be displayed and will remain invisible to IDENTS until re-echoed.
The remaining modifiers act upon the whole database.
MODIFIERS
ALL Will re-echo all entities previously echoed off.
ENTITY The ENTITY modifier is used to enter a further set of three
modifiers used to toggle selectively the display of specified
entity types.
.CPOINT Used to toggle the display of cpoint entities. The modifier
can be followed by one of three keywords:
ON Echo all cpoints on.
OFF Echo all cpoints off.
DOT Echo all cpoints as a dot ( single pixel ).
.TNODE Used to toggle the display of tnode entities. ( As above ).
.SYMORG Used to toggle the display of symbol origins. ( As above ).
The three entitity types above are generally not required
on output plots. Any plotting command that drives a pen
plotter will not plot these entity types anyway, but the
PLOT RASTER command - used to create raster files for matrix
plotters - will plot anything that appears on the display so
it may be necessary to inhibit the display of these entities.
OFF The OFF modifier is used suppress the graphics for any entity
identified via IDENTS.