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From: Chris Newman <newslists@npost.uk>
Newsgroups: comp.sys.acorn.misc
Subject: Re: Sprite files
Date: Wed, 26 Feb 2025 16:42:02 +0000 (GMT)
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In article <5bf5356db2dave@triffid.co.uk>, Dave <dave@triffid.co.uk>
wrote:
> In article <5bf41b6693dave@triffid.co.uk>, Dave <dave@triffid.co.uk>
> wrote: [Snip a lot]

> > Indeed John, Back in in the days when I was running my business I did
> > try with Sleuth 3... Goodness me, did we (Fay and I) try hard, but as
> > I've previously noted it was so problematic and unreliable, just not
> > usable in a business situation.

<snip>

> Scan in 8bit Grayscale at 100, 150, 200, 300, 400 dpi.

> Take the images (Not Jpegs as I want to keep the images clean) to the
> RISC OS side. (BMP or PNG)

> Use DPlingScan to reduce to 4bpp then Save as a Spritefile.

> 100, 150, 200dpi completely useless.

> 300dpi OCR'd very well with just a few things out of place.

> 400dpi OCR'd completely okay.

I usually get good results doing things that way (More or less).

I was trying to do something slightly different.
I have a file which consists of many, many PDF pages.
They contain the words to approx 2075 jazz tunes.
I wanted one so I used !Snapper to tack a screen shot.
I also tried outputting a whole page fro !PDF then cropping what I didn't
need. Also tried the same from MuView.
'Twould seem Sleuth doesn't want to lay with sprites taken like this. 
It seems

-- 
Chris