On Thursday 07 November 2013 18:09:38 Gene Heskett did opine:
> On Thursday 07 November 2013 17:44:39 Frederic RIBLE did opine:
> > Le 2013-11-07 22:01, Gene Heskett a écrit :
> > > Thats exactly what I am looking for. ultil.crop, I don't recall
> > > seeing a mention of. Is there a man page describing it?
> >
> > I have discovered that this feature was existing when analyzing
> > camview source tree !
> > Below is my camview config file. "util.crop" is not far from the the
> > middle. As far as I remember, this module is not installed by default
> > with camview-emc package.
> > You will have to build from source code and install it manually.
> > After that, it will appear in the panel of camview configuration tool.
> > I have connected the zoom ratio to a slider panel with a custom cam.ui
> > and camview-emc Python script.
> >
> > <?xml version="1.0" encoding="utf-8" ?>
> > <chain>
> >
> > <unit id="input.v4l2:0" width="1280" height="720"
> >
> > pixelformat="CAM_PIXEL_FORMAT_RGB" format_name="1280x720 RGB 24bpp">
> >
> > <control id="input">0</control>
> > <control id="standard">0</control>
> > <control id="brightness">133</control>
> > <control id="contrast">5</control>
> > <control id="saturation">83</control>
> > <control id="auto-white-balance">1</control>
> > <control id="control-9963800">1</control>
> > <control id="control-9963802">4500</control>
> > <control id="control-9963803">25</control>
> > <control id="control-9963804">0</control>
> > <control id="control-10094850">156</control>
> > <control id="control-10094856">201600</control>
> > <control id="control-10094857">201600</control>
> > <control id="control-10094858">27</control>
> > <control id="control-10094860">0</control>
> > <control id="control-10094861">0</control>
> >
> > </unit>
> > <unit id="convert.to_rgb8" width="1280" height="720"
> >
> > pixelformat="CAM_PIXEL_FORMAT_RGB" format_name="1280x720 RGB 24bpp">
> >
> > </unit>
> > <unit id="util.crop" width="459" height="258"
> >
> > pixelformat="CAM_PIXEL_FORMAT_RGB" format_name="459x258 RGB 24bpp">
> >
> > <control id="ratio">0.358943</control>
> >
> > </unit>
> > <unit id="output.opengl" width="459" height="258"
> >
> > pixelformat="CAM_PIXEL_FORMAT_RGB" format_name="459x258 RGB 24bpp">
> >
> > </unit>
> > <unit id="emc.halio" width="459" height="258"
> >
> > pixelformat="CAM_PIXEL_FORMAT_RGB" format_name="459x258 RGB 24bpp">
> >
> > <control id="limit">4</control>
> > <control id="reload">0</control>
> > <control id="circle">video.circle</control>
> > <control id="axis-pins">halui.axis.%d.pos-relative</control>
> > <control id="axis-letters">XYZA45678</control>
> > <control id="axis-format">%.3f</control>
> > <control id="spacing">5</control>
> > <control id="color-r">1</control>
> > <control id="color-g">1</control>
> > <control id="color-b">1</control>
> > <control id="gl-xor">0</control>
> >
> > </unit>
> > <unit id="emc.crosshair" width="459" height="258"
> >
> > pixelformat="CAM_PIXEL_FORMAT_RGB" format_name="459x258 RGB 24bpp">
> >
> > <control id="enable">1</control>
> > <control id="color-r">1</control>
> > <control id="color-g">0.902174</control>
> > <control id="color-b">0</control>
> > <control id="gl-xor">0</control>
> > <control id="circle-radius">100</control>
> > <control id="circle-angle">0</control>
> > <control id="shape">1</control>
> >
> > </unit>
> >
> > </chain>
>
> Got a puzzler, util.crop does not get a hit that looks right from
> google.
>
> However in camunits/0.0.37 tree there is a convert_crop.c that looks
> like a likely candidate. Is this the util you are referring to?
>
> I don't think it was built by the default Makefile but have not studied
> it yet.
>
> Thanks Frederick.
PS, a make bails instantly in that camunits/0.0.37 subdir, seems that are
include dependencies not supplied by 10.04.4 or in the tarball.
First one is FreeImage.h, and apt can't find the package that supplies
that.
Thanks again.
Cheers, Gene
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