Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Chris Newman Newsgroups: comp.sys.acorn.misc Subject: Re: Sprite files Date: Fri, 28 Feb 2025 00:24:02 +0000 (GMT) Organization: None Lines: 38 Message-ID: <5bf5fe3e31newslists@npost.uk> References: <5bf32b2585newslists@npost.uk> <5bf3a4da5fnewslists@npost.uk> <5bf3aa4d8bdave@triffid.co.uk> <5bf3b9342anewsmcc@blueyonder.co.uk> <5bf41b6693dave@triffid.co.uk> <5bf5356db2dave@triffid.co.uk> <5bf5501d72newslists@npost.uk> <93f055f55b.harriet@bazleyfamily.co.uk> <5bf5f2ac6enewslists@npost.uk> <7f87f9f55b.harriet@bazleyfamily.co.uk> Injection-Date: Fri, 28 Feb 2025 01:24:10 +0100 (CET) Injection-Info: dont-email.me; posting-host="3ccd5b0d783da06cb1bb06832b08e49f"; logging-data="3514924"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18Bj0P23RloIHCX7i7Rd7yvLa1Gw4Bq9ww=" User-Agent: Pluto/3.20 (RISC OS/5.29) NewsHound/v1.54 Cancel-Lock: sha1:PSNdG2LyzDwYEsaUFffPW9XKKzM= Xref: csiph.com comp.sys.acorn.misc:21597 In article <7f87f9f55b.harriet@bazleyfamily.co.uk>, Harriet Bazley wrote: > On 27 Feb 2025 as I do recall, > Chris Newman wrote: > [snip] > > The original book was printed from a home computer. That has then been > > taken apart re runthrough an automatic feed sacanner to produce a file of > > 397 PDF pages (171Mb). Each page has several songs distributed over two > > columns. > > > > By uing !PDF and zooming the view up mightinly I was able to take a > > screen shot of just he song I wanted. > > > > Running that through ChngeFSI at monochrome resulted in a block of black > > instead of text unless I set the output to 256 colours. Then Sleuth3 > > worked. > > > > The output wasn't brilliant due to the imitations of te original. > > > Yes, scanned text is unlikely to work well (especially as those scanned > PDF compilations tend to contain images in the form of compressed lossy > JPEGS -- fine for the human eye but not too good for magnification to > the sort of resolution required for OCR). > Transcribing a single song manually off the screen might have been > quicker! I've got a paper copy of the book somewhere. As necessary, I'll scan pages to get an appropriate sprite file of the bit I want. I just thought getting them out of the PDF vesion might be simpler. Silly me! -- Chris