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CAD tip CAD tip # 6342:

Question CAD 
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Q - question

The hidden commands in Autodesk DWG TrueView.

A - answer 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    63304x  
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applies to: TrueView/VoloView · DWG ·

See also:
Tip 10461:Unattended DWG plotting and PDF publishing without AutoCAD.
Tip 10182:How to create a PDF file from DWG without AutoCAD?
Tip 9884:Wrong color on monochrome DWG prints from AutoCAD Mechanical.
Tip 9757:How to remove the EDU stamp "Created in an educational version" from a DWG drawing file?
Tip 8774:Silent installation of Windows applications - MSIEXEC parameters


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