4.207: Sample AutoLISP

Extended Entity Data

4.207 Tutorials and Samples
write requests to: takehiko@mit.edu
last revised : 2/15/97

LISPLOADERŠ Set Up

AutoLISP file

entdata_02.lsp: : this program provides a function to manipulate extended entity data.

Functions Defined (click button for dispatching to AutoCAD)

(c:what)

: displays information about the selected circle. It keeps truck of how many times inquiry was made on the circle.

(c:what)

(c:shaffle)

: randomly moves the selected circle.

(c:shaffle)

(c:reset)

: moves the selected circle to its original position.

(c:reset)

(X_print_entity_data app_name entity)

: prints regular data and the extended data set of entity specified by app_name . The first example shows the raw data extracted by entget .

(entget col_1 ("4207TUTORIAL"))

(X_print_entity_data "4207TUTORIAL" col_1 )

(X_print_entity_data "4207TUTORIAL" col_2 )

(X_get_data_for_group_code app_name group_code entity)

: extracts an extended data entry of entity specified by group_code and app_name

(X_get_data_for_group_code "4207TUTORIAL" 1000 col_1 )

(X_get_data_for_group_code "4207TUTORIAL" 1010 col_2 )

(X_change_data_for_group_code app_name group_code entity new_value)

: changes an extended data entry of entity specified by group_code and app_name to new_value

(X_change_data_for_group_code "4207TUTORIAL" 1000 col_1 "wood_column" )

(X_change_data_for_group_code "4207TUTORIAL" 1010 col_2 '(20.0 40.0 0.0) )

Standard AutoCAD Commands