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CAD tip CAD tip # 6342:

Question

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A
The free DWG viewer and converter Autodesk DWG TrueView is an application based on AutoCAD OEM. So it contains the full AutoCAD kernel, only with a limited access to the command set and to API interfaces.

The application menu (ribbon in version 2009) offers only a couple of commands like OPEN, DIST, AREA, PLOT, PUBLISH, PAGESETUP, DWGPROPS, ZOOM, PAN, VIEW, 3DORBIT, ABOUT or DWGCONVERT and VIEWERPREFERENCES. And although there is a commandline in DWG TrueView, it seems to be only for prompts and it is not possible to enter (type in) commands like in normal AutoCAD.

But! Despite of this, you can use an undocumented operation and paste texts (commands) to the commandline via standard keyboard shortcut for clipboard paste: Ctrl+V (press ESC to return to the "command prompt" mode). So you can type a command e.g. in Notepad and paste it to DWG TrueView (mouse cursor on the commandline). This opens new possibilities to enter other AutoCAD commands and set AutoCAD system variables in DWG TrueView.

You can e.g. "learn" DWG TrueView to know commands like GRID, PLOTTERMANAGER, REGEN, REDRAW, REDRAWALL, 3DCONFIG, STYLESMANAGER, VIEWGO and VIEWPLAY, XREF and IMAGE (external references palette) or even the commandline versions -XREF and -IMAGE which can really attach external files. Plus you can use (paste) the SETVAR command to list and set a couple of system variables. You can e.g. enable the old pulldown menus (MENUBAR) or set an alternate font (FONTALT).

Here is the list of variables available in DWG TrueView 2009:
AREA              0.000                                (read only)
BACKGROUNDPLOT    0
CAPTURETHUMBNAILS 1
CLAYER            "SRAFY"
COORDS            1
DIMSTYLE          "A2000"                              (read only)
DWGCHECK          1
FONTALT           "simplex.shx"
FONTMAP           "C:\Documents and Settings\USER\Application Data\..."
GRIPS             0
MENUBAR           1
NAVSWHEELMODE     2
NAVSWHEELOPACITYBIG 50
NAVSWHEELOPACITYMINI 50
NAVSWHEELSIZEBIG  1
NAVSWHEELSIZEMINI 1
NAVVCUBEDISPLAY   1
NAVVCUBELOCATION  0
NAVVCUBEOPACITY   50
NAVVCUBEORIENT    1
NAVVCUBESIZE      1
PERSPECTIVE       0
PICKFIRST         0
PROXYNOTICE       0
STEPSIZE          6.000
THUMBSIZE         1
XREFNOTIFY        2

This method no longer works since DWG TrueView 2012.

VoloDWG
100% *CAD
8.10.2008    105847×  
applies to: TrueView/VoloView · DWG ·

See also:
Tip 14333:A free tool for bulk-purging of DWG drawing files.
Tip 13274:How to switch the DWG TrueView viewer to the classic user interface, without ribbon?
Tip 12325:How to display a DWG from Advance Steel including AS objects? (AST viewer)
Tip 12103:Random lines are displayed over my AutoCAD drawing.
Tip 12049:AutoCAD display (status bar) jumps and flickers while zooming.


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