Christian
Visualisation of data onto a graphic display is now very easily achieved for
me....I can now create a true SCADA / RTU application with rich graphic
displays and trend overlays. Thank you again for sharing this information with
us and creating the packages for the various platforms.
>From the following link I think you will find that I am very happy with the
>outcome
http://img.photobucket.com/albums/v319/rjconway/rob.png
I just combine two images I already had as the test. I used to have to use
layers in my web page and had each image loaded into a layer with hide/show
layer controls,however now can combine these into one image. >From what I have
found it is quite quick to combine these images ~4 seconds
It took probably 5 minutes to finalise the combine command and work out how
gravity works to create the image above...
# convert -composite -gravity west -geometry +45-7 /website/ph1d.png
/website/images/phscale.png /website/rob.png
If you have any tips on control from a web page through cgi scripts into owfs
that would be great.
cheers
rob Australia
----- Original Message -----
From: Christian Magnusson
To: [email protected]
Sent: Monday, August 27, 2007 10:12 PM
Subject: Re: [Owfs-developers] Error trap works great on NSLU2 with owfs
Try to remove the softlinks
/opt/bin/bzcat
/opt/bin/bzip2
/opt/bin/bzip2recover
before you install imagemagick if you have those pointing to the busybox
binary. Did the bzip2-package overwrite you busybox-binary before?
/Christian
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rob Conway
Sent: den 27 augusti 2007 13:47
To: [email protected]
Subject: Re: [Owfs-developers] Error trap works great on NSLU2 with owfs
Chrsitian,
I'm close however think my bzip2 problem may be causing the following
error......You think if I remove busybox-links and try again it may work. I
think busybox-links gives me features like, top, free etc etc
# convert /website/24hrB.jpg -pointsize 16 -fill black -undercolor
'#00000080' -gravity South -draw "text 50,50 ' Testing'" /website/newcond.jpg
convert: error while loading shared libraries: libbz2.so.1.0: cannot open
shared object file: No such file or directory
Will the above example work the same for png files ? That is once I get it
working
cheers
----- Original Message -----
From: Christian Magnusson
To: [email protected]
Sent: Monday, August 27, 2007 6:52 PM
Subject: Re: [Owfs-developers] Error trap works great on NSLU2 with owfs
I have updated the packages again.
Imagemagick is depending on the bzip2 package. You can install it without
dependents though. (it should work)
# echo "src/gz owfs http://owfs.sourceforge.net/nslu2/packages"; >
/etc/ipkg/owfs-feed.conf
# ipkg update
# ipkg install gsfonts
# ipkg install ghostscript
# ipkg install freetype
# ipkg -nodeps install imagemagick
You can probably try a command like this to add a simple text-box on your
jpg-file.
# convert /tmp/orgfile.jpg -pointsize 16 -fill black -undercolor
'#00000080' -gravity South -draw "text 50,50 ' Testing'" /tmp/destfile.jpg
/Christian
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rob Conway
Sent: den 27 augusti 2007 02:58
To: [email protected]
Subject: Re: [Owfs-developers] Error trap works great on NSLU2 with owfs
Christian,
Thanks for the NSLU2 packages I will give it a try in the next couple of
days. Can't wait to try and place a new scale on my rrdtool graphs....its
what the rrdtool guy's have been asking for ages...different scales, multiple
scales, scales on RHS etc etc..
Will your package install try to load bzip2 as one of its prerequisites ?
I did try and load the standard package for imagmagick a few days ago however
as I have installed busybox-links it just bombed out as it wanted to load bzcat
(which I assume was apart of bzip2) which was already installed via
busybox-links...
cheers
rob
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