kopia lustrzana https://gitlab.com/sane-project/website
171 wiersze
6.7 KiB
HTML
171 wiersze
6.7 KiB
HTML
<HTML>
|
|
<HEAD>
|
|
<TITLE>sane-dmc.5</TITLE>
|
|
</HEAD>
|
|
<BODY BGCOLOR=#FFFFFF TEXT=#000000><H1 ALIGN=CENTER><IMG SRC="/images/sane.png" HEIGHT=117 WIDTH=346></H1>
|
|
<H1>sane-dmc.5</H1>
|
|
<HR>
|
|
<PRE>
|
|
<!-- Manpage converted by man2html 3.0.1 -->
|
|
<B><A HREF="sane-dmc.5.html">sane-dmc(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-dmc.5.html">sane-dmc(5)</A></B>
|
|
|
|
|
|
</PRE>
|
|
<H2>NAME</H2><PRE>
|
|
sane-dmc - SANE backend for the Polaroid Digital Microscope Camera
|
|
|
|
|
|
</PRE>
|
|
<H2>DESCRIPTION</H2><PRE>
|
|
The <B>sane-dmc</B> library implements a SANE (Scanner Access Now Easy) back-
|
|
end that provides access to the Polaroid Digital Microscope Camera.
|
|
|
|
|
|
</PRE>
|
|
<H2>DEVICE NAMES</H2><PRE>
|
|
This backend expects device names of the form:
|
|
|
|
<I>special</I>
|
|
|
|
Where <I>special</I> is the UNIX path-name for the special device that corre-
|
|
sponds to the scanner. The special device name must be a generic SCSI
|
|
device or a symlink to such a device. Under Linux, such a device name
|
|
could be <I>/dev/sga</I> or <I>/dev/sge</I>, for example.
|
|
|
|
|
|
</PRE>
|
|
<H2>IMAGING MODES</H2><PRE>
|
|
The Polaroid DMC supports a number of imaging modes. This driver sup-
|
|
ports five of the imaging modes:
|
|
|
|
<B>Full</B> <B>Frame</B>
|
|
This mode corresponds to the 801-by-600 pixel full-color full-
|
|
frame image.
|
|
|
|
<B>Viewfinder</B>
|
|
This mode corresponds to the 270-by-201 pixel grey-scale
|
|
viewfinder image. This image is acquired very quickly.
|
|
|
|
<B>Raw</B> This mode corresponds to the 1599-by-600 pixel "raw" image from
|
|
the CCD. It is grey-scale, with pixels alternating horizontally
|
|
between red, green and blue stripes. The pixels are twice as
|
|
high as they are wide, so the image is distorted.
|
|
|
|
<B>Thumbnail</B>
|
|
This mode corresponds to the 80-by-60 pixel full-color thumbnail
|
|
image.
|
|
|
|
<B>Super</B> <B>Resolution</B>
|
|
This image is a 1599-by-1200 pixel full-color image constructed
|
|
by filtering and interpolating the "raw" image. The filtering
|
|
and interpolation is done in software, so this mode is very
|
|
slow. Also, this mode places restrictions on how the image is
|
|
read which means that the "preview" mode of xscanimage does not
|
|
work in Super Resolution mode. (xcam and the non-preview modes
|
|
of scanimage and xscanimage work fine, however.)
|
|
|
|
|
|
</PRE>
|
|
<H2>OTHER SETTINGS</H2><PRE>
|
|
<B>ASA</B> <B>Setting</B>
|
|
This setting adjusts the camera's sensitivity. You can choose
|
|
one of 25, 50, or 100 "equivalent" ASA.
|
|
|
|
<B>Shutter</B> <B>Speed</B>
|
|
You can select a shutter speed from 8 to 1000 milliseconds. The
|
|
shutter speed is quantized in units of 32 microseconds.
|
|
|
|
<B>White</B> <B>Balance</B>
|
|
You can choose one of "Daylight", "Incandescent" or "Fluores-
|
|
cent" white balances. This setting more-or-less corresponds to
|
|
the "Color Temperature" settings on Polaroid's Windows and Mac
|
|
software.
|
|
|
|
|
|
</PRE>
|
|
<H2>CONFIGURATION</H2><PRE>
|
|
The contents of the <I>dmc.conf</I> file is a list of device names that corre-
|
|
spond to DMC scanners. Empty lines and lines starting with a hash mark
|
|
(#) are ignored. A sample configuration file is shown below:
|
|
|
|
/dev/scanner
|
|
# this is a comment
|
|
/dev/sge
|
|
|
|
|
|
</PRE>
|
|
<H2>FILES</H2><PRE>
|
|
<I>/usr/local/etc/sane.d/dmc.conf</I>
|
|
The backend configuration file (see also description of
|
|
<B>SANE_CONFIG_DIR</B> below).
|
|
|
|
<I>/usr/local/lib/sane/libsane-dmc.a</I>
|
|
The static library implementing this backend.
|
|
|
|
<I>/usr/local/lib/sane/libsane-dmc.so</I>
|
|
The shared library implementing this backend (present on systems
|
|
that support dynamic loading).
|
|
|
|
|
|
</PRE>
|
|
<H2>ENVIRONMENT</H2><PRE>
|
|
<B>SANE_CONFIG_DIR</B>
|
|
This environment variable specifies the list of directories that
|
|
may contain the configuration file. Under UNIX, the directories
|
|
are separated by a colon (`:'), under OS/2, they are separated
|
|
by a semi-colon (`;'). If this variable is not set, the config-
|
|
uration file is searched in two default directories: first, the
|
|
current working directory (".") and then in
|
|
/usr/local/etc/sane.d. If the value of the environment variable
|
|
ends with the directory separator character, then the default
|
|
directories are searched after the explicitly specified directo-
|
|
ries. For example, setting <B>SANE_CONFIG_DIR</B> to "/tmp/config:"
|
|
would result in directories "tmp/config", ".", and
|
|
"/usr/local/etc/sane.d" being searched (in this order).
|
|
|
|
<B>SANE_DEBUG_DMC</B>
|
|
If the library was compiled with debug support enabled, this
|
|
environment variable controls the debug level for this backend.
|
|
E.g., a value of 128 requests all debug output to be printed.
|
|
Smaller levels reduce verbosity.
|
|
|
|
|
|
</PRE>
|
|
<H2>BUGS</H2><PRE>
|
|
In the "Full Frame" and "Raw" modes, images must be read in units of
|
|
entire lines. The driver performs no buffering in these modes; if you
|
|
ask sane_read to read a non-integral number of lines, it may read less
|
|
than you ask for. If you ask sane_read to read less than a single
|
|
line, it returns SANE_STATUS_INVAL.
|
|
|
|
In the "Super Resolution" mode, images must be read in units of <I>two</I>
|
|
lines (3198 pixels or 9594 bytes.) If you try to read less than two
|
|
lines, you get SANE_STATUS_INVAL. The Super Resolution mode is very
|
|
slow.
|
|
|
|
In the "Viewfinder" and "Thumbnail" modes, the entire image must be
|
|
read in one SCSI transfer. In this case, the driver performs buffering
|
|
and you can read the image in as small an increment as you like.
|
|
|
|
|
|
</PRE>
|
|
<H2>SEE ALSO</H2><PRE>
|
|
<B><A HREF="sane.7.html">sane(7)</A></B>, <B><A HREF="sane-scsi.5.html">sane-scsi(5)</A></B>
|
|
|
|
|
|
</PRE>
|
|
<H2>AUTHOR</H2><PRE>
|
|
David F. Skoll
|
|
|
|
The backend is derived from <B>sane-hp</B> by David Mosberger
|
|
|
|
sane-backends 1.0.18 13 May 1998 <B><A HREF="sane-dmc.5.html">sane-dmc(5)</A></B>
|
|
</PRE>
|
|
<HR>
|
|
<ADDRESS>
|
|
Man(1) output converted with
|
|
<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
|
|
</ADDRESS>
|
|
</BODY>
|
|
</HTML>
|