Part 2:

now lets look at the letterbox deleted scene:

http://freespace.virgin.net/ian.thefraggle/cdisc1scene_bars.png

you can now see where I pulled 125 from in the previous method, and it worked fairly well:

http://freespace.virgin.net/ian.thefraggle/cdisc1scene_anamorphic.jpg

if we had been aiming for symmetric bars we would nearly of hit it first time, but we are not and we did not, so we employ the same method as before.
so 576 minus the bars gives:
576-125-127 = 324

the ratio of this to the main film is 436/324 = 1.346

so to get a full frame we need to start with 576/1.346 = 428 pixels. (this number was also in the previous method)

576-428 = 148, this is the amount of pixels that need to be cropped before resizing to 720x576

use the same simultaneous equations:
127-x =1.12121212
125-y

but this time x+y = 148 so y = 148-x

solving in the same way gets us to:
127 +1.12(23) = 2.12*x

which gives x=72 so y=76.

use this in the same way, resizing to 720x576 but cropping 72 from the top and 76 from the bottom to give:

http://freespace.virgin.net/ian.thefraggle/ndisc1scene_bars.png

so we're almost there but there is atill some annoying white text at the bottom (this didn't happen in our previous attempt because I had assumed the bars were symmetric which allow you to do things a bit quicker.
the filter line should read: 720x428 720x576 resize(lanczos3)

now save this as an AVI and the reload it into vdubmod we now need to get rid of that text (i don't think there is an eay way to do it all in one step when it's not symmetric)

all you need to do is resize to 720x536 (40 pixels less) but expand the frame to 720 x576, then crop 20 from top and bottom which is more than enough to cover the text, and because the changes are symmentric it wont effect the aspect ratio. the filter will read: 720x536 720x576 resize(nearest neighbor, lbox 720x576 #000000)
you should now have this:

http://freespace.virgin.net/ian.thefraggle/fdisc1scene_bars.png

save as avi, encode as anamorphic pal and this should look great.

of course it would be worth checking that all the deleted/extended scenes are framed in exactly the same way before using these number on all of them, I might write simple program to work these out for future projects.

Thats the guide finnished.

now I've been thinking about these lines, and I seem to recall getting a similar problem once but at the moment I can't remember what caused it, either way I'm sure there is a way around it, I assume the line appear when you play this in powerDVD (or similar) and in a set-top player?