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Each 71/13,23,33 pair defines the UCS origin for a particular orthographic<br />
type relative to this UCS. For instance if the following pair is present, then<br />
invoking the UCS/LEFT command when UCSBASE is set to this UCS will<br />
cause the new UCS origin to become (1,2,3).<br />
71: 5<br />
13: 1.0<br />
23: 2.0<br />
33: 3.0<br />
If this pair were not present, then invoking the UCS/LEFT command would<br />
cause the new UCS origin to be set to this UCS’s origin point.<br />
VIEW<br />
The following group codes apply to VIEW symbol table entries. In addition<br />
to the group codes described here, see “Common Group Codes for Symbol<br />
Table Entries” on page 37. For information about abbreviations and formatting<br />
used in this table, see “Formatting Conventions in This Reference” on<br />
page 6.<br />
VIEW group codes<br />
Group codes<br />
Description<br />
100 Subclass marker (AcDbViewTableRecord)<br />
2 Name of view<br />
70 Standard flag values (bit-coded values):<br />
1 = If set, this is a paper space view<br />
16 = If set, table entry is externally dependent on an xref<br />
32 = If this bit and bit 16 are both set, the externally dependent xref<br />
has been successfully resolved<br />
64 = If set, the table entry was referenced by at least one entity in the<br />
drawing the last time the drawing was edited. (This flag is for the<br />
benefit of AutoCAD commands. It can be ignored by most programs<br />
that read DXF files and need not be set by programs that write DXF<br />
files)<br />
40 View height (in DCS)<br />
10 View center point (in DCS)<br />
DXF: X value; APP: 2D point<br />
20 DXF: Y value of view center point (in DCS)<br />
VIEW | 49
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