| General > General Technical Chat |
| Those old cardboard sleeved slide-charts !! |
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| tom66:
--- Quote from: TerraHertz on May 16, 2020, 11:28:58 am ---For one thing, PDF sucks for this. None of the internal image encoding schemes available in PDF are adequate. The choices are: BMP (vomit), JPG (lossy, horrible edge artifact noise), 'FAX mode' (appalling), JBIG2 (the people that came up with that scheme should be shot.) Hmm... I'm forgetting one? TIFF? Also, printing dimensionally accurate images on home printers? Hadehaha. Anyway there's NO equivalent of PNG in PDF. Surprisingly few people realize this. Most PDF creation utils can accept PNG images, so people just assume the resulting images in the PDF are still PNG. Nope. Try zooming on the result - you will see typical JPG edge noisy crap. It converted the PNG to JPG, because THERE IS NO PNG in PDF. Look up the PDF standards if you don't believe me. --- End quote --- PDF supports RLE image compression. It also supports post-document compression, or you can zip the document yourself. Recall that PNG is LZ77 with an image predictor. Zipping a BMP, while not quite as good as PNG, is not too far off. And we live in a day with 1TB SSDs for under $150 USD. Storage is cheap, and so is bandwidth. Hardly the biggest pain. |
| GlennSprigg:
--- Quote from: DrG on May 15, 2020, 01:24:35 pm ---Have you seen this guy's site? https://stevenjohnson.com/cardboard/slidecharts.htm --- End quote --- Thanks to all for your current responses. To 'DrG'... Yes!, and that's where i have got most of my 'Outer-Front' images from!! The problem is finding images of the 'Inner-Sleeves' themselves! One of my 'specialties' is graphics/artwork, and so I have no problem with totally editing the graphics, removing scan/photo imperfections, adjusting perspective/size, contrast/brightness/colour, and accurate scaling of the components. (A work of love! haha... ;D) To 'TerraHertz'... You might be missing something? Of course the detailed results depend on the 'lossless' characteristics of the image data that I am using, and am recreating them with, before compiling the final '.PDF' files. I've been doing graphic design for many years, for the likes of Logos, product design packaging/printing, and ALL the printing companies want/use .PDF files sent to them. The only other requirement is whether images are either in RGB or CMYK depending on the printing process. This isn't a problem here, as what I'm producing is something that people at home can print on their Inkjet/Laser printer. Everything scaled, and includes instructions. It's actually simpler than might be imagined!! For instance, I'm deliberately NOT using double-sided printing, as for instance, the 2 sides of the inner slide are to be printed on the thickest paper your printer can handle, and then glued back-to-back, to make it more rigid and 'cardboard' like, as in the originals. And the 'Outer' front/back will have a small folded flap, before gluing/stapling, to account/allow for the inner sliding sleeve! WAIT until I supply that first one, and all will be clear! :-+ |
| Neomys Sapiens:
I'll try to dig mine out and have them ready when I will go to the office again. I guess that placing them on the scanner/copier would be more interesting than fuzzy handheld shots with a digital camera. |
| Alex Eisenhut:
https://datasheet.datasheetarchive.com/originals/distributors/Datasheets-21/DSA-419096.pdf It says designed by Jim Mears |
| bsfeechannel:
This is my modest contribution. I have it since donkey's years. Translation IDENTIFICAÇÃO DINÂMICA DE TRANSISTORES = TRANSISTOR DYNAMIC IDENTIFICATION X - NÃO EXISTE = X - NON EXISTENT (I.E. NO TERMINAL) 1 - LIGADO À CARCAÇA = 1 - CONNECTED TO CASE USO GERAL BF = GENERAL PURPOSE LF BAIXA POTÊNCIA RF = LOW POWER RF POTÊNCIA = POWER COMUTAÇÃO = SWITCHING LETRA INICIAL = INITIAL LETTER A - GERMÂNIO = A - GERMANIUM B - SILÍCIO = B - SILICON |
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