LSEL, Type, Item, Comp, VMIN, VMAX, VINC, KSWP
Selects a subset of lines.
TypeLabel identifying the type of select:
S | — | Select a new set (default). |
R | — | Reselect a set from the current set. |
A | — | Additionally select a set and extend the current set. |
U | — | Unselect a set from the current set. |
ALL | — | Restore the full set. |
NONE | — | Unselect the full set. |
INVE | — | Invert the current set (selected becomes unselected and vice versa). |
STAT | — | Display the current select status. |
The following fields are used only with Type =
S, R, A, or U:
ItemLabel identifying data. Valid item labels are shown in the
table below. Some items also require a component label. If Item =
PICK (or simply “P”), graphical picking is enabled and all remaining
command fields are ignored (valid only in the GUI). Defaults to LINE.
CompComponent of the item (if required). Valid component labels are shown in the table below.
VMINMinimum value of item range. Ranges are line numbers, coordinate
values, attribute numbers, etc., as appropriate for the item. If VMIN =
0.0, a tolerance of ±1.0E-6 is used, or ±0.005 x VMIN if VMIN = VMAX. A component name (as specified on the CM command) may
also be substituted for VMIN (VMAX and VINC are
ignored). If Item = MAT, TYPE, REAL, ESYS, or
NDIV and if VMIN is positive, the absolute value
of Item is compared against the range for selection;
if VMIN is negative, the signed value of Item is
compared. See the LLIST command for a discussion of signed
attributes.
VMAXMaximum value of item range. VMAX defaults
to VMIN.
VINCValue increment within range. Used only with integer ranges
(such as for line numbers). Defaults to 1. VINC cannot
be negative.
KSWPSpecifies whether only lines are to be selected:
0 | — | Select lines only. |
1 | — | Select lines, as well as keypoints, nodes, and
elements associated with selected lines. Valid only with |
Selects lines based on values of a labeled item and component. For example, to select a new set of lines based on line numbers 1 through 7, use LSEL,S,LINE,,1,7. The subset is used when the ALL label is entered (or implied) on other commands, such as LLIST,ALL. Only data identified by line number are selected. Data are flagged as selected and unselected; no data are actually deleted from the database.
If Item = LCCA, the command selects only
those lines that were created by concatenation. The KSWP field
is processed, but the Comp, VMIN, VMAX,
and VINC fields are ignored.
If Item = HPT, the command selects only those
lines that contain hard points.
Item = RADIUS is only valid for lines that
are circular arcs.
LSEL is valid in any processor.
For selections based on non-integer numbers (coordinates,
results, etc.), items that are within the range VMIN -Toler and VMAX +Toler are selected. The default tolerance Toler is
based on the relative values of VMIN and VMAX as
follows:
If VMIN = VMAX, Toler =
0.005 x VMIN.
If VMIN = VMAX =
0.0, Toler = 1.0E-6.
If VMAX ≠ VMIN, Toler =
1.0E-8 x (VMAX - VMIN).
Use the SELTOL command
to override this default and specify Toler explicitly.
Table 194: LSEL - Valid Item and Component Labels
Valid Item and Component
Labels LSEL, Type, Item, Comp, VMIN, VMAX,
VINC, KSWP | ||
|---|---|---|
| Item | Comp | Description |
| LINE | Line number. | |
| EXT | Line numbers on exterior of selected area (ignore remaining fields). | |
| LOC | X,Y,Z | X, Y, or Z center location in the active coordinate system. |
| TAN1 | X,Y,Z | Unit vector component of outward tangent at beginning of line. |
| TAN2 | X,Y,Z | Unit vector component of outward tangent at end of line. |
| NDIV | Number of divisions within the line. | |
| SPACE | Spacing ratio of line divisions. | |
| MAT | Material number associated with the line. | |
| TYPE | Element type number associated with the line. | |
| REAL | Real constant set number associated with the line. | |
| ESYS | Element coordinate system associated with the line. | |
| SEC | Cross section ID number. [SECNUM] | |
| LENGTH | Length of the line. | |
| RADIUS | Radius of the line. | |
| HPT | Line number (selects only lines with associated hard points). | |
| LCCA | Concatenated lines (selects only lines that were created by concatenation [LCCAT]). | |