A Scavenger Hunt for System Variables by forrests

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									A TOPICAL INDEX OF SYSTEM VARIABLES
(Issue 1 DATED 12-7- ‘01) AS INDEXED by GIL HOELLERICH from A2KI

This index is intended to supplement the alphabetical listing of the system variables in AutoCAD A2ki Release. (path: Help->AutoCAD Help->Command Reference->System variables) (or refer to Dec 01 issue of PaperSpace) by helping to find the appropriate variable. After finding the appropriate one (displayed in BOLD-RED in the middle column), search for the complete details of the variable in the alphabetical listing. This index is divided into 30 categories, which are displayed in BOLD-ITALICUNDERLINED to aid in locating the desired variable quickly; in a few cases the variable could be placed in two or more categories and no effort was made to place the variable in all relevant categories. So in case the variable is not found in one category, a search should be made in a related one. Most system variables interact with the AutoCAD environment or supplement commands and fall into one of these four categories: 1) provide information in the read-only mode (i.e., ACADVER which provides the version of AutoCAD being used, and provides “15.05 “ for A2ki); 2) povides a toggle of pre-selected values (in most cases two, such as on and off or 0 and 1 but sometimes more values) i.e. BLIPMODE which has two options [off/on] and shows present value in <off>; 3) requires an entry of word or number to change the current value (i.e. CECOLOR which controls color of current object; default is <”BYLAYER”>; 4) requires the binary addition of two or more choices. The type of each variable is shown in the right column in the index below.

System Variables
Subject or Function 3-D, (also includes isometric, rendering) ASPECT RATIO of faceting (cylinder & conics) COMPASS, display DENSITY of M mesh direction, controls of N mesh direction, controls of N mesh, controls HIDE AND SHADE, controls accuracy of INSERTION BASE POINT, stores ISOMETRIC PLANE, of current viewport, controls Name Type

FACETRATIO COMPASS SURFU SURFTAB2 SURFV HIDEPRECISION INSBASE SNAPISOPAIR

2 2 2 2 2 2 1 2

-1-

LENS LENGTH in perspective viewing LENSLENGTH NUMBER of TABULATIONS, for surf & M mesh SURFTAB1 OBJECT TARGET HEIGHT, selects PICKBOX OFFSET, stores back clipping plane BACKZ stores front clipping plane FRONTZ PAPER SPACE, switches from model space TILEMODE PROJECTION MODE, sets current PROJMODE RATIO OF DIFFUSE to AMBIENT LIGHT, sets SHADEDIF RENDERING, controls shading in rendering SHADEDGE SILOUETTE CURVES, of solid objects DISPSILH SMOOTHNESS, of shaded & rendered objects FACETRES SOLID VALIDATION, controls SOLIDCHECK SOLID THICKNESS, sets THICKNESS SOURCE content value INSUNITDEFSOURCE target drawing unit INSUNITSDEFTARGET SPATIAL INDEX, specifies maximum depth TREEDEPTH limits maximum nodes TREEMAX SURFACE FITING, controls type SURFTYPE TARGET POINT, stores location of TARGET UCS, stores last point relative to LASTPOINT , determines if 3d input is relative to WCCS WORLDVIEW VERTICES, max number per face PFACEVMAX VIEWPORT, center of view, stores VIEWCTR current elevation, stores ELEVATION current size, stores SCREENSIZE height, stores VIEWSIZE lock UCS in active UCSVP number of active MAXACTVP scale factor for all viewports, sets PSVPSCALE snap and grid rotation angle SNAPANG snap and grid origin point SNAPBASE total number CVPORT viewing direction, stores VIEWDIR viewing mode, stores VIEWMODE view twist angle, stores VIEWTWIST virtual screen, stores upper right corner VSMAX virtual screen, stores lower left corner VSMIN ANGLE BASE angle ANGBASE DECIMAL PLACES of angle AUPREC END ANGLE of last arc LASTANGLE POLAR ANGLES (user-defined) POLARADDANG increment POLARANG POSITIVE DIRECTION of angles ANGDIR PRECISION of angle dimensions DIMADEC -2-

1 2 3 1 1 2 3 3 2 2 2 2 3 2 2 3 3 2 1 1 2 1 1 3 1 1 2 3 3 3 3 3 1 1 1 1 1 3 3 1 3 2 2 2

SUPPRESSES ZEROS in angular dimensions UNITS of angles

DIMAZIN AUNITS DIMAUNIT

2 2 2 4 2 3 2 2 1 1 1 1 2 2 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 3 2 2 1 4 3 4 2

APPEARANCE AUTOSNAP marker, tips, magnets, tracking AUTOSNAP APERTURE BOX, display of APBOX APERTURE size of APERTURE COORDINATES, display COORDS CURSOR, size CURSORSIZE DATE and TIME, stores calendar CDATE stores local TDCREATE stores Julean DATE DISPLAY DRIVER, status of current POPUPS DISPLAY LIST, method of updating LAYOUTREGENCTL DRAG controls dragmode DRAGMODE regen-drag, sets input sampling rate of DRAGP1 fast-drag sets input sampling rate of DRAGP2 FILE DIALOGS, suppresses display FILEDIA FILLS hatches, multilines, solids FILLMODE GRIDS, display GRIDMODE x and y spacing GRIDUNIT MARKER BLIPS, display BLIPMODE MENU, echoing MENUECHO MESSAGE DISPLAY Suppresses NOMUTT MOUSE, units for center wheel ZOOMFACTOR OBJECTS, color CECOLOR foreground color WMFFOREGND highlighting HIGHLIGHT transparency WMFBKGND display of OLE OLEHIDE quality of OLE OLEQUALITY color associated with plot style PSTYLEPOLICY source application of OLE OLESTARTUP delete object after duplication DELOBJ PAGE SWITCHING of screen, controls MENUCTL POINTS, display PDMODE size of displayed points PDSIZE RASTER, IMAGES, display full or frame, IMAGEHLT , controls during ZOOM or PAN RTDISPLAY SCREEN, number of boxes in menu, stores SCREENBOXES mode SCREENMODE SHAPE, default, sets SHPNAME SHORTCUT MENUS, controls selected SHORTCUTMENU SNAP TRACKING, alignment path TRACKPATH 3–

SPLINES splines and spline plines, display of type of spline generated, controls number of line segments, Sets STATUS BAR, Displays string on TODAY WINDOW, controls display of TOOLTIPS, display TRACE, default width UNITS, controls display format of WINDOW, method of drawing automatic windowing at object prompt AREA

SPLFRAME SPLINETYPE SPLINESEGS MODEMACRO STARTUPTODAY TOOLTIPS TRACEWID UNITMODE PICKDRAG PICKAUTO

2 2 3 3 2 2 2 2 2 2 1 2 2 2 3 2 2 3 3 3 1 2 3 2

LAST OBJECT stores (getvar AREA) ATTRIBUTES ATTRIBUTE SETTING, controls use of default ATTREQ DIALOG BOX for attrib value, Controls use of ATTDIA DISPLAY of attributes, controls ATTMODE FLAGS for ATTDEF, controls AFLAGS CHAMBER & FILET CHAMFER ANGLE, sets CHAMFERD CHAMFER LENGTH, sets CHAMFERC CHAMFER DISTANCE, sets first CHAMFERA sets second CHAMFERB CHAMFER MODE, sets CHAMMODE FILET RADIUS, stores current FILETRAD TRIMMING of selected edges , controls TRIMMODE CIRCLE DEFAULT RADIUS for circles CIRCLERAD SMOOTHNESS circles and arcs Controls WHIPARC COMMAND All ACTIVE COMMAND, the type of, stores CMDACTIVE COMMAND in lisp routines is echoed CMDECHO LISTS all active and transparent commands CMDNAMES PROMPT echoed to command line LASTPROMPT Selected DISTANCE command, stores the results of the DISTANCE HANDLES, Reports if handles of objects can be usedHANDLES OPTION command controls the SORTENTS TRIM and EXTEND commands, controls the EDGEMODE SKETCH cmd, the record increment, sets SKETCHINC lines or polylines for SKPOLY UNDO command, controls the UNDOCTL number of marks, stores UNDOMARKS -4-

1&4 3 1 1 1 1 4 2 3 2 4 1

POLYGON, sides default number of DIMENSION Arrowheads BLOCKS, display, controls LEADERS’ LIMITED SPACE for text and arrowheads SIZES, controls STROKES substitued for arrowheads TYPE DISPLAYED

POLYSIDES

2

DIMSAH DIMLDRBLK DIMATFIT DIMASZ DIMTSZ DIMBLK, DIMBLK1, DIMBLK2

2 3 2 3 2 2

Dimension lines COLOR assignment to dimension lines, text, etc DIMCLRD, EXTENSION of dim line beyond extension, sets DIMDLE DRAWN between extension lines DIMTOFL GAP in dimension line for text, sets DIMGAP LINEWEIGHT assignment to dimension line DIMLWD st SUPPRESSION of 1 dimension line DIMSD1 of 2nd dimension line DIMSD2 of dim lines outside extensions DIMSOXD Dimension text ASSOCIATIVITY between dimension objects DIMASO ALTERNATE UNITS, display of, controls DIMALT decimal places, controls DIMALTD decimal places, tolerance,setsDIMALTTD linear, sets DIMALTU multiplier, controls DIMALTF prefix or suffix, allows DIMAPOST rounds off DIMALTRND suppresses zeros in DIMALTZ COLOR to dimension text, Assigns DIMCLRT DECIMAL SEPARATOR, specifies a DIMDSEP DIMUNIT, replaced in 2000 by DIMLUNIT DIMFRAC DIMENSION UNITS for non-angular, Sets DIMLUNIT DIMENSION STYLE, shows present DIMSTYLE DRAGGED ASSOCIATIVE dimension recomputed DIMSHO EXTENSION LINES, text between extension lines DIMTIX text outside ext lines, controls DIMTOH FONT FILE, Alternate for FONTALT FONT MAP to be used FONTMAP FRACTION FORMAT in arch or fraction, sets DIMFRAC -5-

3 3 2 3 2 2 2 2 2 2 3 3 3 3 2 3 2 3 3

2 3 2 2 2 3 3 2

GAP in dimension line for text, Sets HEIGHT of text, Controls the of dimension text HORIZONTAL POSITIONING of text, Controls LIMITED SPACE, Text and arrowheads in LIMITS, Sets dimension limits MOVE RULES, sets NUMBER OF DECIMAL POSITIONS controls POSITION of TEXT Within ext lines, controls PREFIX or SUFFIX for dimension text ROUNDS dimension distance SCALE of linear dimensions Sets SCALE of all dimension variables Sets TEXT STYLE of dimension text TOLERANCE, number of decimal positions minimum limits, sets appends to text maximum limits, sets suppression of zeros in angular suppression of zeros vertical adj relative USER POSITIONED, options for VERTICAL POSITIONING of text, Controls Extension lines BASE LINE DIMENSIONING controls spacing in CENTER MARKS, for arcs and circles COLOR to extension lines, assigns DIMFIT Replaced in 2000 by EXTENSION of extension line LINEWEIGHT for extension lines OFFSET of extension lines SUPPRESSION of 1st extension line, controls of 2nd extension line, controls Leaders ARROWHEADS, type of DONUT ID, default OD, default

DIMGAP DIMTFAC DIMTXT DIMJUST DIMATFIT DIMLIM DIMTMOVE DIMDEC DIMTIH DIMPOST DIMRND DIMLFAC DIMSCALE DIMTXSTY DIMTDEC DIMTM DIMTOL DIMTP DIMZIN DIMALTTZ DIMTOLZ DIMUPT DIMTAD DIMDLI DIMCEN DIMCLRE DIMATFIT DIMEXE DIMLWE DIMEXO DIMSE1 DIMSE2 DIMLDRBLK DONUTID DONUTOD

3 3 3 2 2 2 2 3 2 3 3 3 2 3 3 2 2 3 2 2 2 3 3 2 3 3 2 3 2 2 3 2 2

FILE MANAGEMENT AutoCAD software ISO VERSION of AutoCAD, displays LOCALE PATH to directory for all automatic save files SAVEFILEPATH for look in and save function REMEMBERFOLDERS -6-

1 3 3

PRODUCT, displays PROGRAM NAME, displays READ-ONLY, indicates REINITALIZES digitizer, port and pgp file SOFTWARE, in use displayed TEMPORARY FILES Directory of USERS NAME , specifies VERSION NUMBER of AutoCAD, displays

PRODUCT PROGRAM WRITESTAT RE-INIT PLATFORM TEMPPREFIX LOGINNAME ACADVER

1 1 1 4 1 1 1 1

Drawings ACTIVE TAB Returns name of on drawing CTAB 1 ADT (audit report)FILE, controls creation of AUDITCTL 2 BAK FILE, creating of dwgs ISAVEBAK 2 BMP PREVIEW IMAGES, save to dwg RASTERPREVIEW 2 COLOR DEPENDANT or in named plotstyle PSTYLEMODE 1 DATE AND TIME Stores local of last updated TDUPDATE 1 DIRECTORY specified by, Stores ACADPREFIX 1 DRIVE/DIRECTORY stores DWGPREFIX 1 EXTENTS, stores upper right EXTMAX 1 stores lower left EXTMIN 1 HYPERLINKS Specifies path for HYPERLINKBASE 3 LAST EDITED by non-AutoCAD CHecks DWGCHECK 2 LAYER/SPATIAL INDEX Creation of INDEXCTL 2 LIMITS, stores upper right LIMMAX 3 stores lower left LIMMIN 3 outside creation of objects LIMCHECK 1 MENU FILE name and path, stores MENUNAME 1 MODIFICATION STATUS, indicates DBMOD 1&4 NAME Stores DWGNAME 1 Stores if dwg has been named DWGTITLED 1 Stores current dwg name after saving SAVENAME 1 OBJECT ENABLERS Check for PROXYWEBSEARCH 2 PARTIAL OPEN DRAWINGS Stores FULLOPEN 1 PROJECT NAME assigns to drawing PROJECTNAME 3 PROXY IMAGES saved in drawing PROXYGRAPHICS 2 PROXY displays message when is created PROXYNOTICE 2 PROXY ITEMS controls display of PROXYSHOW 2 REFERENCE-EDITING Indicates if drawing is in REFEDITNAME 1 REGENERATION of dwg Controls REGENMODE 2 SAT FILES Controls acis version of ACISOUTVER 3 SAVE FILE NAME, stores automaticallly SAVEFILE 1 SAVING DRAWING TIME INTERVAL, sets SAVETI ME 3 SPECIFIES SYSTEM CODE PAGE SYSCODEPAGE 1 SYSCODE PAGE Stores same value as DWGCODEPAGE 1 -7-

TIME universal dwg created Stores TIME unversal dwg updated Stores USER TIME elapsed Stores WASTED SPACE in dwg Controls amount of Log files MAINTENANCE of a log file NAME and PATH specifies of log file PATH of all log files Specifies SORTED max symbols or blocks, sets Profiles Current profile stored GRIPS BLOCKS assigns grips to COLOR of unselected grips, controls of selected grips , controls MODES controls grips for several SIZE of grips, controls HATCH ANGLE of hatch pattern, controls ASSOCIATIVE SELECTION BOUNDARY of hatch Controls DOUBLING Controls hatch pattern DEFAULT hatch pattern Names a SCALE, Controls hatch pattern SPACING for user def patternsControls INSERT BLOCK NAME ,Sets default for insert command UNITS for inserted blocks INTERNET INTERNET LOCATION, Stores LAYER CURRENT Sets LINES ISOLINES, number per object PLINES, creation and conversion of width Stores the line of plines off-setting, Controls LINETYPE around vertices of plines Global scale Selects -8-

TDUCREATE TDUUPDATE TDUSRTIMER ISAVEPERCENT LOGFILEMODE PSLTSCALE LOGFILEPATH MAXSORT CPROFILE

1 1 1 2 2 1 3 3 1

GRIPBLOCK GRIPCOLOR GRIPHOT GRIPS GRIPSIZE

2 2 2 3 3

HPANG PICKSTYLE HPBOUND HPDOUBLE HPNAME HPSCALE HPSPACE

3 2 3 2 3 3 3

INSNAME INSUNITS

3 2

INETLOCATION CLAYER ISOLINES PLINETYPE PLINEWD OFFSETGAPTYPE PLINEGEN LTSCALE CELTYPE

3 3 3 2 1 2 2 3 3

LINETYPE, scaling factor scaling in paperspace LINE WEIGHT, sets default for display Control Selects line weight units of di splay controls MULTIPLE LINES, justification of scale of style of line spacing as factor of text height LISP ACAD.LSP, controls loading of PRESERVATION of AutoLISP functions SELECTION SET addition or replacement to MEASUREMENT LINEAR UNITS, sets sets precision for linear units units in English or metric Sets for current dwg OPERATION BUTTON (3rd) or WHEEL on mouse controls CURSOR constrained to perpendicular moves DIALOG BOXES, controls exit method from DOCUMENT, controls single or multiple EDITING TIME, stores EXPLODE controls the command INITEGER VALUES for users, stores OBJECT, when is picked OFFSET DEFAULT distance, sets OVER-RIDDING OSNAP with keyboard, controls PROMPTS, controls certain REAL NUMBERS for users, stores SNAP, turns on and off style sets type sets spacing, sets SPEED, controls second processor STRINGS for users, stores SYMBOL TABLES, sets parameters for TABLET, controls THIRD-PARTY SOFTWARE controls the loading PERIMETER -9-

CELTSCALE PLSLTSCALE LWDEFAULT LWDISPLAY CELWEIGHT LWUNITS CMLJUST CMLSCALE CMLSTYLE TSPACEFAC

3 2 3 2 2 2 2 3 3 2

ACADLSPASDOC 2 LISPINIT 2 PICKADD 2

LUNITS LUPREC MEASUREINIT MEASUREMENT

2 3 2 2

MBUTTONPAN ORTHOMOD DIASTAT SDI TDINDWG EXPLMODE USERI1-5 PICKFIRST OFFSETDIST OSNAPCOORD EXPERT USERR1-5 SNAPMODE SNAPSTYL SNAPTYPE SNAPUNIT WHIPTHREAD USERS1-5 EXTNAMES TABMODE DEMANDLOAD

2 2 2 2 1 2 3 2 3 2 2 3 2 2 2 2 3 2 2 2

LAST AREA OBJECT stores perimeter of, etc PLOT BATCH PLOTTING Displays in ORIENTATION PAPER SIZES DIFFER Displays WARNING PLOT STYLE for LAYERS Stores default PLOT STYLE for NEW OBJECTS, controls controls default PLOTID Obsolete in 2000 PLOTTER Obsolete in 2000 SNAP INCREMENT sets snap MODE, for objects & polar, controls , for running snaps TEXT DICTIONARY, custom, stores path and filename main, displays (by country) EDITING, controls text EVALUATION, method of FILL of text fonts, controls HEIGHT, sets default MIRROR, cmd controls handling of text QUICK TEXT MODE controls RATIO of stack height to current text height RESOLUTION of true text fonts, sets the SPACING, multiple line with text controls STYLE of current text sets the VERTICAL ALIGNMENT of stacked text UCS COMPARED to WCS DEFAULT ANGLE FOR ROTATION ICON display LOCK UCS in active viewport NAME, of UCS of orthographic settings stored of current UCS stored of the UCS in paper space stoed ORIGIN of current UCS RELATED ORTHOGRAPHIC UCS restored SAVES current UCS with named view SWTICHING UCS Generates plan X DIRECTION of UCS stored Y DIRECTION of UCS stored - 10 -

PERIMETER PLQUIET PLOTROTMODE PAPERUPDATE DEFLPLSTYLE CPLOTSTYLE DEFPLSTYLE

1 2 2 2 1 3 3

POLARDIST POLARMODE OSMODE DCTCUST DCTMAIN MTEXTED TEXTEVAL TEXTFILL TEXTSIZE MIRRTEXT QTEXTMODE TSTACKSIZE TEXTQLTY TSPACETYPE TEXTSTYLE TSTACKALIGN WORLDUCS UCSAXISANG UCSICON UCSVP UCSBASE UCSNAME PUCSBASE UCSORG UCSORTHO UCSVIEW UCSFOLLOW UCSXDIR UCSYDIR 3 4 4 3 1&3 2 2 2 3 2 2 2 2 2 3 2 1 2 4 2 3 1 3 1 2 2 2 1 1

X-REF CLIPPING BOUNDARIES visibility of CURRENT DRAWING edited while referenced DEMAND LOADING, opens original or copy temp storage DISPLAY of Xref name EXTERNAL xref log files (xlg) are written FADING INTENSITY of drawing being edited VISIBILITY in X-REF layers of color, linetype, etc

XCLIPFRAME XEDIT XLOADCTL XLOADPATH BINDTYPE XREFCTL XFADECTL VISRETAIN

2 2 2 3 2 2 2 2

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