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- Saves the file
using a specified number of decimal places: Low precision is 16 bits,
Medium precision is 20 bits, and High precision is 32 bits. For simple
drawings there's little visual difference between the precision settings.
However, for more complex drawings and fine details, you'll need higher
precision. Higher precision results in larger DWF files. Low precision
produces DWF files approximately 40% smaller than medium precision,
which produces a DWF file about 30% smaller than high precision. With
low precision, you can get as much as an 8-to-1 reduction in DWF file
size compared to the original DWG. High precision is always used when
you select ASCII file format.
- The DWF file uses
the background color from the original drawing file. To keep file size
down, you can use a default color map and reduce file size by 1K if
the background color is black or white.
- The DWF file is
stored with the same background color as the AutoCAD graphics window.
The color information stored in the DWF file adds about 1KB to the file
size. However, by using a black or white background, you can reduce
the size of the color information to only 3 bytes, which may be useful
when dealing with small DWF files (less than about 5KB).
- The Autodesk Help
files say "Only data within the current view
is saved to the DWF file. Geometry outside of a zoomed area isn't included
in the DWF file." I have not found this to be true with
my release 14 dwf exports. I have zoomed into a drawing and exported
the file to dwf and all the information within the drawing is included.
- DWF files created
by AutoCAD Release 14 can only be read by WHIP! Release 2, not WHIP!
Release 1.
- WHIP! Release
1 was distributed as part of the AutoCAD Release 13 Internet Publishing
Kit.
- Similarly, drag-and-drop
from the browser to AutoCAD Release 14 is only possible with WHIP! Release
2. Hyperwire users must upgrade to Hyperwire 1.1 to be compatible with
Release 2 of WHIP!
- The DWFOUT command
does not automatically export xlines. If you require xlines in your
DWF file, use the external reference Attach option to attach your drawing
to another drawing. Then use the DWFOUT command.
- You can use MSLIDE
to create slides in Release 14. The DWF2SLD command does not exist.
Just in case you thought different.
- The Autodesk Help
files (DWFOUT help) says "All named views
that are present in a DWG file when the DWFOUT command is run are recorded
in the resulting DWF file. If the named view INITIAL is not already
specified in the DWG, it is automatically created in the DWF file. The
INITIAL view for the DWF matches the view of the DWG when the DWFOUT
command is run. When viewing a DWF file, the available named views can
be accessed from the WHIP! menu by clicking the right mouse button."...
But this saving of named views only happens when named views whose Normal
is parallel to the Normal of the current view (view direction). To save
the layer information you must select the options button to check the
save layer information.
- The Autodesk Help
files (DWFOUT help) says "DWFOUT does not
provide support for drawings created in paper space (TILEMODE=0). Only
data that exists in the active model space viewport is output to the
DWF file. Set TILEMODE to 1 before generating DWF files."
This has been made available with the latest version of the Autocad
Internet Utilities.
- The Autodesk Help
files (Internet Features help) says "Using
the DWFOUT command, AutoCAD lets you share your designs over the World
Wide Web by saving them in AutoCAD's Drawing Web Format (DWF). Using
a Web browser and the WHIP! plug-in, you can view DWF files directly
or while they are embedded in a Web (HTML) page. The new BROWSER command
lets you launch Netscape Navigator or Microsoft Internet Explorer from
within AutoCAD." This last piece of information, A browser
command, had me baffled for a while but its not directly connected to
DWF creation, more to the viewing on dwf files. You can adjust the value
of the "NETLOCATION" variable to another location other than
its Initial value: "www.autodesk.com/acaduser" and change it to your
published DWF index web page.
- There are no blocks
in a DWF file. A DWF file contains geometry, color, layer info, and
URLs. So it is possible that some drawings with blocks will result in
some layers being compined/lost or as its put simplified.
- View the Autodesk
Help page on Generating DWF drawings for more help particulary the
complex issue of bitmap information (images) within dwf drawing which
are highly compressed vector files.
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