SYMBOL INSTANCE (SYMB)
- Last UpdatedFeb 27, 2026
- 1 minute read
Attributes
|
PTRF |
- |
Point reference for origin |
|
TMRF |
- |
Template reference |
|
XYSCALE |
- |
Scale in X, Y directions |
|
ADEG |
- |
Angle in owner |
When instancing a symbol (SYMB), the TMRF attribute must reference a symbol template (SYTM) in the symbol library (SYLB). If this attribute is not set, nothing is drawn.
Change Size and Orientation
|
XYSCALE value value SYSIZE value |
Negative values give a ‘mirroring’ effect Sets X and Y scales equally |
|
SYSZ @ @ SYSIZE @ @ |
|
|
ALENGTH value |
Changes the length of a straight by moving its From Point |
|
ALENGTH @ |
Changes the length of a straight by moving the end nearest to the cursor |
You are requested to input two points; the first point selects a position on the symbol, the second point sets a new position for the selected point. The new symbol size is calculated from the ratio of the distances of those two points from the symbol origin.
|
SHIFT @ @ |
alters ADEG as well as the symbol size. |
All other operations are as for Circles. See CIRCLE (CIRC).
Update Symbol Instances
The command
UPDATE INSTANCES
valid at SHEE, BACK, OVER, SYLB, LALB or above, scans the database hierarchy and updates all those parts of picture files that use the graphics instancing mechanism. For example, a SYMB is an ‘instance’ of a SYTM. OLAY and BACK elements are in the same category.