I have readiris! Tha`ll extract the data for me? ----- Original Message ----- From: "Harold Fuchs" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, February 22, 2008 6:27 AM Subject: Re: [users] image to csv
> On 22/02/2008, Howard <[EMAIL PROTECTED]> wrote: > > > > I`ve done that. > > > > I`ve been to at least 5 different calc tuitorial sites and can`t find > > anything about extracting whatever I need from a image opened in calc. > > > As I understand it a .otg file is a *graphics* or *image* file. In which > case you *cannot* extract the data using Calc. > > There is a fundamental difference, which is quite hard to explain, between > graphics/image files and text files. The former are not text, merely pixels > arranged in a sequence that makes them look like text to the human eye. Each > byte or pair of bytes represents a *pixel*. In a text file each byte or pair > of bytes represents a *character* (that's not 100% true but is sufficiently > close for the purposes of this discussion). Graphics/image files are not > computer readable as text except by OCR (Optical Character Recognition) > software. Such software usually comes in the box when you buy a scanner but > you can, of course, buy it separately or, possibly, find a free program or a > trial version of an otherwise non-free program > > You have several possibilities. > 1. Enter the data by hand into Calc. > 2. Obtain an OCR program that will read the .otg file (this might be > difficult, I couldn't find one although I didn't spend a lot of time > looking). > 3. Use Draw to open the .otg file and then save it as a .jpeg, .bmp or > .tiff which most OCR software will be able to read and then obtain an OCR > program that will read the result. > > The purpose of the OCR software is to convert an image into text. The > success of the conversion depends very strongly on the clarity (contrast, > blurring, fonts used etc.) of the image. > > There's a thing called SimpleOCR at http://www.simpleocr.com/ It's free > but I've never tried it. Read the download instructions carefully. Then read > the installation instructions carefully. If necessary contact *their* > support people. > > Alternatively, as others have suggested, use Google to find a suitable OCR > program. ReadIris is good but expensive (mine came free with my scanner). > Omnipage is also good but expensive. There might be trial versions around. > > > -- > Harold Fuchs > London, England > Please reply *only* to [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
