4.1 HEADER

All header variables.

ACADMAINTVER

RC, DXF 90

ANGBASE

BD, DXF 50

ANGDIR

B, DXF 70

APPID_CONTROL_OBJECT

H

ATTDIA

B, DXF 70

ATTMODE

BS, DXF 70

ATTREQ

B, DXF 70

AUNITS

BS, DXF 70

AUPREC

BS, DXF 70

BLIPMODE

B, DXF 70

BLOCK_CONTROL_OBJECT

H

BLOCK_RECORD_MSPACE

H

BLOCK_RECORD_PSPACE

H

CAMERADISPLAY

B, DXF 290

CAMERAHEIGHT

BD, DXF 40

CECOLOR

CMC, DXF 62

CELTSCALE

BD, DXF 40

CELTYPE

H, DXF 6

CELWEIGHT

BSd, DXF 370

CEPSNTYPE

BS, DXF 380

CHAMFERA

BD, DXF 40

CHAMFERB

BD, DXF 40

CHAMFERC

BD, DXF 40

CHAMFERD

BD, DXF 40

CLAYER

H, DXF 8

CMATERIAL

H, DXF 347

CMLJUST

BS, DXF 70

CMLSCALE

BD, DXF 40

CMLSTYLE

H, DXF 2

COORDS

BS, DXF 70

CPSNID

H, DXF 390

CSHADOW

RC, DXF 280

DELOBJ

B, DXF 70

DGNFRAME

RC, DXF 280

DICTIONARY_ACAD_GROUP

H

DICTIONARY_ACAD_MLINESTYLE

H

DICTIONARY_COLOR

H

DICTIONARY_LAYOUT

H

DICTIONARY_LIGHTLIST

H

DICTIONARY_MATERIAL

H

DICTIONARY_NAMED_OBJECT

H

DICTIONARY_PLOTSETTINGS

H

DICTIONARY_PLOTSTYLENAME

H

DICTIONARY_VISUALSTYLE

H

DIMADEC

BS, DXF 70

DIMALT

B, DXF 70

DIMALTD

BS, DXF 70

DIMALTF

BD, DXF 40

DIMALTMZF

BD

DIMALTMZS

T, DXF 1

DIMALTRND

BD, DXF 40

DIMALTTD

BS, DXF 70

DIMALTTZ

BS, DXF 70

DIMALTU

BS, DXF 70

DIMALTZ

BS, DXF 70

DIMAPOST

TV, DXF 1

DIMAPOST_T

T

DIMARCSYM

BS, DXF 70

DIMASO

B, DXF 70

DIMASSOC

RC, DXF 280

DIMASZ

BD, DXF 40

DIMATFIT

BS, DXF 70

DIMAUNIT

BS, DXF 70

DIMAZIN

BS, DXF 70

DIMBLK

H, DXF 1

DIMBLK1

H, DXF 1

DIMBLK1_T

T

DIMBLK2

H, DXF 1

DIMBLK2_T

T

DIMBLK_T

T

DIMCEN

BD, DXF 40

DIMCLRD

CMC, DXF 70

DIMCLRD_C

RS

DIMCLRE

CMC, DXF 70

DIMCLRE_C

RS

DIMCLRT

CMC, DXF 70

DIMCLRT_C

RS

DIMDEC

BS, DXF 70

DIMDLE

BD, DXF 40

DIMDLI

BD, DXF 40

DIMDSEP

BS, DXF 70

DIMEXE

BD, DXF 40

DIMEXO

BD, DXF 40

DIMFIT

BS, DXF 70

DIMFRAC

BS, DXF 70

DIMFXL

BD, DXF 40

DIMFXLON

B, DXF 70

DIMGAP

BD, DXF 40

DIMJOGANG

BD, DXF 40

DIMJUST

BS, DXF 70

DIMLDRBLK

H, DXF 1

DIMLFAC

BD, DXF 40

DIMLIM

B, DXF 70

DIMLTEX1

H, DXF 6

DIMLTEX2

H, DXF 6

DIMLTYPE

H, DXF 6

DIMLUNIT

BS, DXF 70

DIMLWD

BSd, DXF 70

DIMLWE

BSd, DXF 70

DIMMALTTZ

BS

DIMMALTZ

BS

DIMMZF

BD

DIMMZS

T, DXF 1

DIMPOST

TV, DXF 1

DIMPOST_T

T

DIMRND

BD, DXF 40

DIMSAH

B, DXF 70

DIMSAV

B

DIMSCALE

BD, DXF 40

DIMSD1

B, DXF 70

DIMSD2

B, DXF 70

DIMSE1

B, DXF 70

DIMSE2

B, DXF 70

DIMSHO

B, DXF 70

DIMSOXD

B, DXF 70

DIMSTYLE

H, DXF 2

DIMSTYLE_CONTROL_OBJECT

H

DIMTAD

BS, DXF 70

DIMTDEC

BS, DXF 70

DIMTFAC

BD, DXF 40

DIMTFILL

BS, DXF 70

DIMTFILLCLR

CMC, DXF 70

DIMTIH

B, DXF 70

DIMTIX

B, DXF 70

DIMTM

BD, DXF 40

DIMTMOVE

BS, DXF 70

DIMTOFL

B, DXF 70

DIMTOH

B, DXF 70

DIMTOL

B, DXF 70

DIMTOLJ

BS, DXF 70

DIMTP

BD, DXF 40

DIMTSZ

BD, DXF 40

DIMTVP

BD, DXF 40

DIMTXSTY

H, DXF 7

DIMTXT

BD, DXF 40

DIMTXTDIRECTION

B, DXF 70

DIMTZIN

BS, DXF 70

DIMUNIT

BS, DXF 70

DIMUPT

B, DXF 70

DIMZIN

BS, DXF 70

DISPSILH

B, DXF 70

DRAGMODE

BS, DXF 70

DRAGVS

H, DXF 349

DWFFRAME

RC, DXF 280

DWGCODEPAGE

TV, DXF 3

ELEVATION

BD, DXF 40

ENDCAPS

B, DXF 280

EXTMAX

3BD, DXF 30

EXTMIN

3BD, DXF 30

EXTNAMES

B, DXF 290

FACETRES

BD

FILLETRAD

BD, DXF 40

FILLMODE

B, DXF 70

FINGERPRINTGUID

TV, DXF 2

FLAGS

BL

GRIDMODE

RS

GRIDUNIT

2RD

HALOGAP

RC, DXF 280

HANDLING

BS, DXF 70

HANDSEED

H, DXF 5

HIDETEXT

RC, DXF 280

HYPERLINKBASE

T, DXF 1

INDEXCTL

RC, DXF 280

INSBASE

3BD, DXF 30

INSUNITS

BS, DXF 70

INTERFERECOLOR

CMC, DXF 62

INTERFEREOBJVS

H, DXF 345

INTERFEREVPVS

H, DXF 346

INTERSECTIONCOLOR

BS, DXF 70

INTERSECTIONDISPLAY

RC, DXF 280

ISOLINES

BS

JOINSTYLE

B, DXF 280

LATITUDE

BD, DXF 40

LAYER_CONTROL_OBJECT

H

LENSLENGTH

BD, DXF 40

LIGHTGLYPHDISPLAY

RC, DXF 280

LIMCHECK

B, DXF 70

LIMMAX

2DPOINT, DXF 20

LIMMIN

2DPOINT, DXF 20

LOFTANG1

BD, DXF 40

LOFTANG2

BD, DXF 40

LOFTMAG1

BD, DXF 40

LOFTMAG2

BD, DXF 40

LOFTNORMALS

RC, DXF 280

LOFTPARAM

BS, DXF 70

LONGITUDE

BD, DXF 40

LTSCALE

BD, DXF 40

LTYPE_BYBLOCK

H

LTYPE_BYLAYER

H

LTYPE_CONTINUOUS

H

LTYPE_CONTROL_OBJECT

H

LUNITS

BS, DXF 70

LUPREC

BS, DXF 70

LWDISPLAY

B, DXF 290

MAXACTVP

BS, DXF 70

MEASUREMENT

BS, DXF 70

MENU

TV, DXF 1

MIRRTEXT

B, DXF 70

NORTHDIRECTION

BD, DXF 40

OBSCOLOR

BS, DXF 70

OBSLTYPE

RC, DXF 280

OLESTARTUP

B, DXF 290

ORTHOMODE

B, DXF 70

OSMODE

BS, DXF 70

PDMODE

BS, DXF 70

PDSIZE

BD, DXF 40

PELEVATION

BD, DXF 40

PELLIPSE

B

PEXTMAX

3BD, DXF 30

PEXTMIN

3BD, DXF 30

PICKSTYLE

BS, DXF 70

PINSBASE

3BD, DXF 30

PLIMCHECK

B, DXF 70

PLIMMAX

2DPOINT, DXF 20

PLIMMIN

2DPOINT, DXF 20

PLINEGEN

B, DXF 70

PLINEWID

BD, DXF 40

PROJECTNAME

TV, DXF 1

PROXYGRAPHICS

BS, DXF 70

PSLTSCALE

B, DXF 70

PSOLHEIGHT

BD, DXF 40

PSOLWIDTH

BD, DXF 40

PSTYLEMODE

B, DXF 290

PSVPSCALE

BD, DXF 40

PUCSBASE

H, DXF 2

PUCSNAME

H, DXF 2

PUCSORG

3BD, DXF 30

PUCSORGBACK

3BD, DXF 30

PUCSORGBOTTOM

3BD, DXF 30

PUCSORGFRONT

3BD, DXF 30

PUCSORGLEFT

3BD, DXF 30

PUCSORGRIGHT

3BD, DXF 30

PUCSORGTOP

3BD, DXF 30

PUCSORTHOREF

H, DXF 2

PUCSORTHOVIEW

BS, DXF 70

PUCSXDIR

3BD, DXF 30

PUCSYDIR

3BD, DXF 30

QTEXTMODE

B, DXF 70

REALWORLDSCALE

B, DXF 290

REGENMODE

B, DXF 70

REQUIREDVERSIONS

BLL, DXF 160

SAVEIMAGES

BS

SHADEDGE

BS, DXF 70

SHADEDIF

BS, DXF 70

SHADOWPLANELOCATION

BD, DXF 40

SHOWHIST

RC, DXF 280

SKETCHINC

BD, DXF 40

SKPOLY

B, DXF 70

SNAPANG

RD

SNAPBASE

2RD

SNAPISOPAIR

RS

SNAPMODE

RS

SNAPSTYL

RS

SNAPUNIT

2RD

SOLIDHIST

RC, DXF 280

SORTENTS

RC, DXF 280

SPLFRAME

B, DXF 70

SPLINESEGS

BS, DXF 70

SPLINETYPE

BS, DXF 70

STEPSIZE

BD, DXF 40

STEPSPERSEC

BD, DXF 40

STYLESHEET

TV, DXF 1

STYLE_CONTROL_OBJECT

H

SURFTAB1

BS, DXF 70

SURFTAB2

BS, DXF 70

SURFTYPE

BS, DXF 70

SURFU

BS, DXF 70

SURFV

BS, DXF 70

TDCREATE

TIMEBLL, DXF 40

TDINDWG

TIMEBLL, DXF 40

TDUCREATE

TIMEBLL, DXF 40

TDUPDATE

TIMEBLL, DXF 40

TDUSRTIMER

TIMEBLL, DXF 40

TDUUPDATE

TIMEBLL, DXF 40

TEXTQLTY

BS

TEXTSIZE

BD, DXF 40

TEXTSTYLE

H, DXF 7

THICKNESS

BD, DXF 40

TILEMODE

B, DXF 70

TILEMODELIGHTSYNCH

RC, DXF 280

TIMEZONE

BL, DXF 70

TRACEWID

BD, DXF 40

TREEDEPTH

BS, DXF 70

TSTACKALIGN

BS

TSTACKSIZE

BS

UCSBASE

H, DXF 2

UCSNAME

H, DXF 2

UCSORG

3BD, DXF 30

UCSORGBACK

3BD, DXF 30

UCSORGBOTTOM

3BD, DXF 30

UCSORGFRONT

3BD, DXF 30

UCSORGLEFT

3BD, DXF 30

UCSORGRIGHT

3BD, DXF 30

UCSORGTOP

3BD, DXF 30

UCSORTHOREF

H, DXF 2

UCSORTHOVIEW

BS, DXF 70

UCSXDIR

3BD, DXF 30

UCSYDIR

3BD, DXF 30

UCS_CONTROL_OBJECT

H

UNITMODE

BS, DXF 70

USERI1

BS, DXF 70

USERI2

BS, DXF 70

USERI3

BS, DXF 70

USERI4

BS, DXF 70

USERI5

BS, DXF 70

USERR1

BD, DXF 40

USERR2

BD, DXF 40

USERR3

BD, DXF 40

USERR4

BD, DXF 40

USERR5

BD, DXF 40

USRTIMER

B, DXF 70

VERSIONGUID

TV, DXF 2

VIEWCTR

2RD

VIEWSIZE

RD

VIEW_CONTROL_OBJECT

H

VISRETAIN

B, DXF 70

VPORT_CONTROL_OBJECT

H

VX_CONTROL_OBJECT

H

VX_TABLE_RECORD

H

WIREFRAME

B

WORLDVIEW

B, DXF 70

XCLIPFRAME

RC, DXF 290

XEDIT

B, DXF 290

_3DDWFPREC

BD, DXF 40

bitsize

RL

bitsize_hi

RL

size

RL

unknown_0

BD

unknown_1

BD

unknown_10

BS

unknown_11

B

unknown_12

BL

unknown_13

BL

unknown_14

BL

unknown_14b

BL

unknown_15

BL

unknown_16

BL

unknown_17

BL

unknown_2

BD

unknown_20

H

unknown_21

BL

unknown_22

BL

unknown_23

BD

unknown_3

BD

unknown_54

BS

unknown_55

BS

unknown_56

BS

unknown_57

BS

unknown_8

BL

unknown_9

BL

unknown_text1

TV

unknown_text2

TV

unknown_text3

TV

unknown_text4

TV