AutoCAD Dimension Variables
==========================

DIMADEC                         Controls the number of decimal places for angular dimensions.
DIMALT          Off             Enables or disables alternate units dimensioning.
DIMALTD         2 (imperial)    Controls decimal places for alternate units dimensions.
                3 (metric)      -
DIMALTF         25.4000         Alternate units dimension scale factor.
DIMALTRND       0.0000          Rounding value for alternate dimension units.
DIMALTTD        2 (imperial)    Decimal places for alternate units tolerance values.
                3 (metric)      -
DIMALTTZ        0               Zero suppression for alternate units tolerance values.
DIMALTU         2               Units format for alternate units dimensions.
DIMALTZ         0               Zero suppression for alternate units dimension values.
DIMANNO                         Tells if the dimension style is annotative.
DIMAPOST        ""              Prefix/suffix for alternate units dimensions.
DIMARCSYM       0               Displays arc symbols in arc length dimensions.
DIMASSOC        2               Controls associative dimensioning.
DIMASZ          0.2800          Dimension line and arrowhead size.
DIMATFIT        3               Controls placement of text and arrowheads when there is insufficient space between the 
                                extension lines.
DIMAUNIT        0               Unit format for angular dimension values.
DIMAZIN         0               Controls zero suppression for angular dimensions.
DIMBLK          ""              Block type to use for both arrowheads.
DIMBLK1         ""              Block type to use for first arrowhead.
DIMBLK2         ""              Block type to use for second arrowhead.
DIMCEN          0.0900 (imp.)   Controls placement of center marks or centerlines.
                2.5000 (metric) -
DIMCLRD         0               Dimension line, arrowhead, and leader line color.
DIMCLRE         0               Dimension extension line color.
DIMCLRT         0               Dimension text color.
DIMDEC          4 (imperial)    Decimal places for dimension values.
                2 (metric)      -
DIMDLE          0.0000          Dimension line extension beyond extension lines.
DIMDLI          0.3800 (imp.)   Incremental spacing between baseline dimensions.
                3.7500 (metric) -
DIMDSEP         . (imp.)        Specifies a single character to use as a decimal separator
                , (metric)      -
DIMEXE          0.2800 (imp.)   Extension line distance beyond dimension line.
                2.2500 (metric) -
DIMEXO          0.0625 (imp.)   Distance from origin points to extension lines.
                0.6250 (metric) -
DIMFRAC         0               Controls the fraction format used for architectural and fractional dimensions.
DIMFXL          1.0000          Length of extension lines between dimension line and dimension origin.
DIMFXLON        Off             Sets extension lines to a fixed length.
DIMGAP          0.0900 (imp.)   Gap size between dimension line and dimension text.
                0.6250 (metric) -
DIMJOGANG       45              Angle of the transverse segment of a jogged radius dimension.
DIMJUST         0               Horizontal justification of dimension text.
DIMLDRBLK       ""              Controls the type of arrowhead used for leaders.
DIMLFAC         1.0000          Scale factor for linear dimension values.
DIMLIM          Off             Toggles creation of limits-style dimension text.
DIMLTEX1        ""              First extension line’s linetype.
DIMLTEX2        ""              Second extension line’s linetype.
DIMLTYPE        ""              Sets a dimension line’s linetype.
DIMLUNIT        2               Specifies units for all nonangular dimensions.
DIMLWD          -2              Lineweight value for dimension lines.
DIMLWE          -2              Lineweight value for extension lines.
DIMPOST         (none)          Prefix/suffix for primary units dimension values.
DIMRND          0.0000          Rounding value for dimensions.
DIMSAH          Off             Toggles appearance of arrowhead blocks.
DIMSCALE        1.0000          Global dimension feature scale factor.
DIMSD1          Off             Toggles suppression of first dimension line.
DIMSD2          Off             Toggles suppression of second dimension line.
DIMSE1          Off             Toggles suppression of first extension line.
DIMSE2          Off             Toggles suppression of second extension line.
DIMSOXD         Off             Suppresses dimension lines outside extension lines.
DIMSTYLE                        Name of current dimension style.
DIMTAD          0 (imperial)    Sets text placement relative to dimension line.
                1 (metric)      -
DIMTDEC         4 (imperial)    Decimal places for primary units tolerance values.
                2 (metric)      -
DIMTFAC         1.0000          Scale factor for fractional or tolerance text size.
DIMTFILL        0               Changes background of dimension text.
DIMTFILLCLR     0               Changes color for text background in dimensions.
DIMTIH          On (imperial)   Orientation of text inside extension lines.
                Off (metric)    -
DIMTIX          Off             Toggles forced placement of text between extension lines.
DIMTM           0.0000          Lower tolerance value for tolerance dimensions.
DIMTMOVE        0               Controls the format of dimension text when it is moved.
DIMTOFL         Off (imperial)  Toggles forced dimension line creation.
                On (metric)     -
DIMTOH          On (imperial)   Orientation of text outside extension lines.
                Off (metric)    -
DIMTOL          1 (imperial)    Toggles creation of appended tolerance dimensions.            
                0 (metric)      -
DIMTOLJ         1               Vertical justification for dimension tolerance text.
DIMTP           0.0000          Upper tolerance value for tolerance dimensions.
DIMTSZ          0.0000          Controls size of dimension line tick marks drawn instead of arrowheads.
DIMTVP          0.0000          Vertical position of text above or below dimension line.
DIMTXSTY        Standard        Text style used for dimension text.
DIMTXT          0.2800 (imp.)   Size of dimension text.
                2.5000 (metric) -
DIMTXTDIRECTION 0               Controls the reading direction of dimension text.
DIMTZIN         0 (imperial)    Zero suppression for primary units tolerance values.
                8 (metric)      -
DIMUPT          Off             Controls user placement of dimension line and text.
DIMZIN          0 (imperial)    Zero suppression for primary units dimensions.
                8 (metric)      -

DIMSTYLE OVERRIDE EXAMPLE
=========================

Dimension style overrides can be applied to dimension, leader, and tolerance entities. Any overrides applied to these
entities are stored in the entity as xdata. The overridden dimension variable group codes and the related values are
contained within group 1002 control strings. 

http://help.autodesk.com/view/OARX/2018/ENU/?guid=GUID-6A4C31C0-4988-499C-B5A4-15582E433B0F

1001
ACAD
1000
DSTYLE
1002
{
1070
147
1040
0.09375
1070
77
1070
0
1002
}
