Home » Archimedes archive » Acorn User » AU 1996-05.adf » Optical » !Manual/Data/Chapter6
!Manual/Data/Chapter6
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Archimedes archive » Acorn User » AU 1996-05.adf » Optical |
| Filename: | !Manual/Data/Chapter6 |
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File contents
Chapter 6 Processing an Image If Preview/ process has been selected from the Preferences window, then the current image will be displayed in a window, opened when Optical is given a page of text. It can also be opened from the OCRed text window, described in Chapter 7 - The OCRed text Window . If the image has previously been OCRed, then the relevant characters may also be highlighted. The strip of picture icons at the top of the window is called a toolbox. Here is a guide to these icons: 6.1 Read Image Clicking on this icon starts the OCR process. 6.2 Open Font manager This icon opens the Font manager window which looks after the different fonts that Optical can read. For full details on its use, see Chapter 9 - Teaching/ Selecting Fonts. 6.3 Scale Image The magnifying glass icon opens the Scale image window which allows the scanned image to be scaled to a manageable size. This facility is fully described in Chapter 10.1 - Scaling the scanned image . 6.4 The Column Selector 6.4.1 Marking a column of text This utility is useful if there are several columns of text on a page. Select this icon to mark columns. Clicking on the image and moving the mouse draws a flexible rectangle. Releasing the mouse places a green frame on top of the image, bounding the area of text to be read. Up to twenty such frames can be defined. Interlinking red lines between these frames indicate the order in which they are read. Moving the mouse pointer over the inside of a frame changes it to a hand shape. This means that you can click and drag that frame to a new position. Moving the pointer over one of the small boxes at each corner of the frame changes it to a compass shape. This means that you can click and adjust the size of that frame. There are small solid red squares at the end of the red interlinking lines. Clicking one of these and moving the mouse allows you to change the reading order of the frames - simply drag the end of the line to another frame. 6.4.2 Automatic column detection To make marking columns easier it is also possible for Optical to attempt to find them automatically. Select the same icon as in the last section, and then double-click on the image. If you click over a frame already defined, then only columns within that frame will be found. There are sometimes problems finding columns within closed areas of a page. Therefore selecting a region within that closed area, and double clicking on it will find those columns. If you double click with Select then all other defined frame definitions will be removed before selecting the new ones. Clicking with Adjust keeps them. 6.4.3 Marking an inconsistent region It is also possible to mark areas of text, or pictures which are inconsistent with the surrounding text, which might otherwise produce reading problems. To mark an area like this, hold Alt on the keyboard down while making a frame. The resulting frame is red with a crossed lines inside. Optical will attempt to read the contents of the frame, unless they are too large (as in the case of pictures.) Thus drop caps at the start of paragraphs can be marked in this way. Optical will also automatically put in these frames when it thinks necessary, during the OCR process. 6.4.4 Removing frames With this icon selected, frames can be removed. Move the mouse over the frame to be deleted (so that the pointer changes into a cross) and then click with Select . Double-clicking with Select over any part of the image, deletes all frames. Note If there are frames already defined when the Preview/ process window opens, this is normally because Keep previous frames is selected in the Preferences window. This option is described in Chapter 5.2.2 - Keep previous frames . 6.5 Rotate Image To rotate an image, select this button. The mouse pointer should change into a rotation symbol when it is moved over the scanned image. To rotate, move the end of the arrow on the mouse pointer to the bottom left of a letter at the start of a line of text, and press Select . Keeping Select pressed, move the mouse and a line should follow it. Place the mouse pointer at the bottom right of the letter at the end of the line of text, and release Select . The image should then rotate to make the text upright. If the image is quite large, then an hourglass appears to indicate progress. If a hand scanner is being used, then you will often want to scan a page at right angles, to fit whole lines in. Double clicking on the image conveniently rotates it by 90 (a right angle.) 6.6 The Colour Mapper This feature allows a certain amount of editing to be performed on a scanned image. Operations such as inverting colours, blanking out areas containing pictures and borders, and filtering out multi-coloured backgrounds can be performed. To do the latter, the page needs to be scanned in more than two colours, so that they can be separated. Remember that Optical can only accept images with a maximum of 16 colours or shades of grey. Colour mapping requires more memory than normal, so if you are short of memory and simply blanking out areas of a page, it might be necessary to do this using !Paint instead. !Paint is supplied with your computer on Applications Disc 1 if you have RISC OS 2, or in ROM (click on the Apps icon on the icon bar) if you have RISC OS 3. Clicking on this icon opens two views of the image, and the Colour mapping window will be described in a moment. The left image is the original, and the right is the edited one. The right-hand image may already have been processed, filtering out light colours, and bringing out dark colours. The right-hand image is made up of only black and white. White areas represent the page, and black areas the text. The Colour mapping window in the centre of the screen provides the necessary tools to edit the image. Clicking on any of the Text or Background icons swaps them between Text and Background . If one is Text , the colour behind it will map to black on the processed image. If it reads Background , the colour behind it will map to white. Pressing the Invert button has the same effect as clicking once on all of the coloured icons. Therefore when the colours are mapped, they will be the opposite of what they were previously. All Text changes all the colours to text (ie. black.) All Backgr. does the opposite and changes all the colours to background (ie. white.) There are two methods of actually mapping the colours. For the whole image to be processed, simply click on the Update page button. The alternative is to select a region of the image using the mouse. If you click with Select on either of the two images, and move the mouse around while keeping Select pressed, a flexible rectangle appears. On releasing Select , the area inside the rectangle is mapped. Scale... opens the Scale image window which allows the displayed image to be scaled to a manageable size. This facility is fully described in Chapter 10.1 - Scaling the scanned image . OK returns to the Preview/ process window. 6.7 Rescan Page Clicking on this icon re-opens the Scanner window, but is only enabled if the current image was scanned in directly . This allows columns to be selected on a scanned page at low resolution, and then to have only the selected region scanned again at a higher resolution. For more details on its use see Chapter 4.3.7 - Scan area . 6.8 Merging Scanned Images This feature becomes functional when a Sprite file is dropped onto the scanned image. Hand-held scanners are usually unable to scan a whole page of A4 because of their size. However Merging allows a page to be scanned in parts and then pasted together to make a whole page again. You will first be asked whether you want to Replace or Merge the images. Select Merge. The Merge window will then open, with the original image surrounded by a white border. The new image is attached to the mouse pointer so that it can be moved about. Clicking with Select puts the image in place. It is also possible to use the cursor keys to move the image with precision, and to then press Return to set the image. To change the point where the mouse pointer is anchored to the image, hold Shift down and then move either the mouse, or use the cursor keys. Then release Shift . Clicking Menu over this window gives you access to the Scale image window, described in Chapter 10.1 - Scaling the scanned image . 6.9 The Preview/ Process Menu A menu is also available with the Preview/ process window. Click with Menu over the image to open it. The only new option is whether to show the toolbox, or not.
00000000 01 43 68 61 70 74 65 72 20 36 0a 0a 50 72 6f 63 |.Chapter 6..Proc| 00000010 65 73 73 69 6e 67 20 61 6e 20 49 6d 61 67 65 0a |essing an Image.| 00000020 00 0a 0a 49 66 20 05 04 50 72 65 76 69 65 77 2f |...If ..Preview/| 00000030 20 70 72 6f 63 65 73 73 00 20 68 61 73 20 62 65 | process. has be| 00000040 65 6e 20 73 65 6c 65 63 74 65 64 20 66 72 6f 6d |en selected from| 00000050 20 74 68 65 20 04 05 50 72 65 66 65 72 65 6e 63 | the ..Preferenc| 00000060 65 73 20 00 77 69 6e 64 6f 77 2c 20 74 68 65 6e |es .window, then| 00000070 20 74 68 65 20 63 75 72 72 65 6e 74 20 69 6d 61 | the current ima| 00000080 67 65 20 77 69 6c 6c 20 62 65 20 64 69 73 70 6c |ge will be displ| 00000090 61 79 65 64 20 69 6e 20 61 20 77 69 6e 64 6f 77 |ayed in a window| 000000a0 2c 20 6f 70 65 6e 65 64 20 77 68 65 6e 20 4f 70 |, opened when Op| 000000b0 74 69 63 61 6c 20 69 73 20 67 69 76 65 6e 20 61 |tical is given a| 000000c0 20 70 61 67 65 20 6f 66 20 74 65 78 74 2e 20 49 | page of text. I| 000000d0 74 20 63 61 6e 20 61 6c 73 6f 20 62 65 20 6f 70 |t can also be op| 000000e0 65 6e 65 64 20 66 72 6f 6d 20 74 68 65 20 04 05 |ened from the ..| 000000f0 4f 43 52 65 64 20 74 65 78 74 00 20 77 69 6e 64 |OCRed text. wind| 00000100 6f 77 2c 20 64 65 73 63 72 69 62 65 64 20 69 6e |ow, described in| 00000110 20 07 43 68 61 70 74 65 72 20 37 20 2d 20 54 68 | .Chapter 7 - Th| 00000120 65 20 4f 43 52 65 64 20 74 65 78 74 20 57 69 6e |e OCRed text Win| 00000130 64 6f 77 00 2e 0a 0a 49 66 20 74 68 65 20 69 6d |dow....If the im| 00000140 61 67 65 20 68 61 73 20 70 72 65 76 69 6f 75 73 |age has previous| 00000150 6c 79 20 62 65 65 6e 20 4f 43 52 65 64 2c 20 74 |ly been OCRed, t| 00000160 68 65 6e 20 74 68 65 20 72 65 6c 65 76 61 6e 74 |hen the relevant| 00000170 20 63 68 61 72 61 63 74 65 72 73 20 6d 61 79 20 | characters may | 00000180 61 6c 73 6f 20 62 65 20 68 69 67 68 6c 69 67 68 |also be highligh| 00000190 74 65 64 2e 0a 0a 54 68 65 20 73 74 72 69 70 20 |ted...The strip | 000001a0 6f 66 20 70 69 63 74 75 72 65 20 69 63 6f 6e 73 |of picture icons| 000001b0 20 61 74 20 74 68 65 20 74 6f 70 20 6f 66 20 74 | at the top of t| 000001c0 68 65 20 77 69 6e 64 6f 77 20 69 73 20 63 61 6c |he window is cal| 000001d0 6c 65 64 20 61 20 74 6f 6f 6c 62 6f 78 2e 0a 0a |led a toolbox...| 000001e0 48 65 72 65 20 69 73 20 61 20 67 75 69 64 65 20 |Here is a guide | 000001f0 74 6f 20 74 68 65 73 65 20 69 63 6f 6e 73 3a 0a |to these icons:.| 00000200 0a 0a 02 36 2e 31 20 52 65 61 64 20 49 6d 61 67 |...6.1 Read Imag| 00000210 65 0a 0a 00 43 6c 69 63 6b 69 6e 67 20 6f 6e 20 |e...Clicking on | 00000220 74 68 69 73 20 69 63 6f 6e 20 73 74 61 72 74 73 |this icon starts| 00000230 20 74 68 65 20 4f 43 52 20 70 72 6f 63 65 73 73 | the OCR process| 00000240 2e 02 0a 0a 0a 00 02 36 2e 32 20 4f 70 65 6e 20 |.......6.2 Open | 00000250 46 6f 6e 74 20 6d 61 6e 61 67 65 72 0a 0a 00 54 |Font manager...T| 00000260 68 69 73 20 69 63 6f 6e 20 6f 70 65 6e 73 20 74 |his icon opens t| 00000270 68 65 20 46 6f 6e 74 20 6d 61 6e 61 67 65 72 20 |he Font manager | 00000280 77 69 6e 64 6f 77 20 77 68 69 63 68 20 6c 6f 6f |window which loo| 00000290 6b 73 20 61 66 74 65 72 20 74 68 65 20 64 69 66 |ks after the dif| 000002a0 66 65 72 65 6e 74 20 66 6f 6e 74 73 20 74 68 61 |ferent fonts tha| 000002b0 74 20 4f 70 74 69 63 61 6c 20 63 61 6e 20 72 65 |t Optical can re| 000002c0 61 64 2e 20 46 6f 72 20 66 75 6c 6c 20 64 65 74 |ad. For full det| 000002d0 61 69 6c 73 20 6f 6e 20 69 74 73 20 75 73 65 2c |ails on its use,| 000002e0 20 73 65 65 20 07 43 68 61 70 74 65 72 20 39 20 | see .Chapter 9 | 000002f0 2d 20 54 65 61 63 68 69 6e 67 2f 20 53 65 6c 65 |- Teaching/ Sele| 00000300 63 74 69 6e 67 20 46 6f 6e 74 73 2e 00 0a 0a 0a |cting Fonts.....| 00000310 02 36 2e 33 20 53 63 61 6c 65 20 49 6d 61 67 65 |.6.3 Scale Image| 00000320 0a 0a 00 54 68 65 20 6d 61 67 6e 69 66 79 69 6e |...The magnifyin| 00000330 67 20 67 6c 61 73 73 20 69 63 6f 6e 20 6f 70 65 |g glass icon ope| 00000340 6e 73 20 74 68 65 20 05 04 53 63 61 6c 65 20 69 |ns the ..Scale i| 00000350 6d 61 67 65 00 20 77 69 6e 64 6f 77 20 77 68 69 |mage. window whi| 00000360 63 68 20 61 6c 6c 6f 77 73 20 74 68 65 20 73 63 |ch allows the sc| 00000370 61 6e 6e 65 64 20 69 6d 61 67 65 20 74 6f 20 62 |anned image to b| 00000380 65 20 73 63 61 6c 65 64 20 74 6f 20 61 20 6d 61 |e scaled to a ma| 00000390 6e 61 67 65 61 62 6c 65 20 73 69 7a 65 2e 0a 0a |nageable size...| 000003a0 54 68 69 73 20 66 61 63 69 6c 69 74 79 20 69 73 |This facility is| 000003b0 20 66 75 6c 6c 79 20 64 65 73 63 72 69 62 65 64 | fully described| 000003c0 20 69 6e 20 07 43 68 61 70 74 65 72 20 31 30 2e | in .Chapter 10.| 000003d0 31 20 2d 20 53 63 61 6c 69 6e 67 20 74 68 65 20 |1 - Scaling the | 000003e0 73 63 61 6e 6e 65 64 20 69 6d 61 67 65 00 2e 0a |scanned image...| 000003f0 0a 0a 02 36 2e 34 20 54 68 65 20 43 6f 6c 75 6d |...6.4 The Colum| 00000400 6e 20 53 65 6c 65 63 74 6f 72 0a 0a 00 03 36 2e |n Selector....6.| 00000410 34 2e 31 20 4d 61 72 6b 69 6e 67 20 61 20 63 6f |4.1 Marking a co| 00000420 6c 75 6d 6e 20 6f 66 20 74 65 78 74 0a 0a 00 54 |lumn of text...T| 00000430 68 69 73 20 75 74 69 6c 69 74 79 20 69 73 20 75 |his utility is u| 00000440 73 65 66 75 6c 20 69 66 20 74 68 65 72 65 20 61 |seful if there a| 00000450 72 65 20 73 65 76 65 72 61 6c 20 63 6f 6c 75 6d |re several colum| 00000460 6e 73 20 6f 66 20 74 65 78 74 20 6f 6e 20 61 20 |ns of text on a | 00000470 70 61 67 65 2e 0a 0a 53 65 6c 65 63 74 20 74 68 |page...Select th| 00000480 69 73 20 69 63 6f 6e 20 74 6f 20 6d 61 72 6b 20 |is icon to mark | 00000490 63 6f 6c 75 6d 6e 73 2e 0a 0a 43 6c 69 63 6b 69 |columns...Clicki| 000004a0 6e 67 20 6f 6e 20 74 68 65 20 69 6d 61 67 65 20 |ng on the image | 000004b0 61 6e 64 20 6d 6f 76 69 6e 67 20 74 68 65 20 6d |and moving the m| 000004c0 6f 75 73 65 20 64 72 61 77 73 20 61 20 66 6c 65 |ouse draws a fle| 000004d0 78 69 62 6c 65 20 72 65 63 74 61 6e 67 6c 65 2e |xible rectangle.| 000004e0 20 52 65 6c 65 61 73 69 6e 67 20 74 68 65 20 6d | Releasing the m| 000004f0 6f 75 73 65 20 70 6c 61 63 65 73 20 61 20 67 72 |ouse places a gr| 00000500 65 65 6e 20 66 72 61 6d 65 20 6f 6e 20 74 6f 70 |een frame on top| 00000510 20 6f 66 20 74 68 65 20 69 6d 61 67 65 2c 20 62 | of the image, b| 00000520 6f 75 6e 64 69 6e 67 20 74 68 65 20 61 72 65 61 |ounding the area| 00000530 20 6f 66 20 74 65 78 74 20 74 6f 20 62 65 20 72 | of text to be r| 00000540 65 61 64 2e 20 55 70 20 74 6f 20 74 77 65 6e 74 |ead. Up to twent| 00000550 79 20 73 75 63 68 20 66 72 61 6d 65 73 20 63 61 |y such frames ca| 00000560 6e 20 62 65 20 64 65 66 69 6e 65 64 2e 20 49 6e |n be defined. In| 00000570 74 65 72 6c 69 6e 6b 69 6e 67 20 72 65 64 20 6c |terlinking red l| 00000580 69 6e 65 73 20 62 65 74 77 65 65 6e 20 74 68 65 |ines between the| 00000590 73 65 20 66 72 61 6d 65 73 20 69 6e 64 69 63 61 |se frames indica| 000005a0 74 65 20 74 68 65 20 6f 72 64 65 72 20 69 6e 20 |te the order in | 000005b0 77 68 69 63 68 20 74 68 65 79 20 61 72 65 20 72 |which they are r| 000005c0 65 61 64 2e 0a 0a 4d 6f 76 69 6e 67 20 74 68 65 |ead...Moving the| 000005d0 20 6d 6f 75 73 65 20 70 6f 69 6e 74 65 72 20 6f | mouse pointer o| 000005e0 76 65 72 20 74 68 65 20 69 6e 73 69 64 65 20 6f |ver the inside o| 000005f0 66 20 61 20 66 72 61 6d 65 20 63 68 61 6e 67 65 |f a frame change| 00000600 73 20 69 74 20 74 6f 20 61 20 68 61 6e 64 20 73 |s it to a hand s| 00000610 68 61 70 65 2e 20 54 68 69 73 20 6d 65 61 6e 73 |hape. This means| 00000620 20 74 68 61 74 20 79 6f 75 20 63 61 6e 20 63 6c | that you can cl| 00000630 69 63 6b 20 61 6e 64 20 64 72 61 67 20 74 68 61 |ick and drag tha| 00000640 74 20 66 72 61 6d 65 20 74 6f 20 61 20 6e 65 77 |t frame to a new| 00000650 20 70 6f 73 69 74 69 6f 6e 2e 0a 0a 4d 6f 76 69 | position...Movi| 00000660 6e 67 20 74 68 65 20 70 6f 69 6e 74 65 72 20 6f |ng the pointer o| 00000670 76 65 72 20 6f 6e 65 20 6f 66 20 74 68 65 20 73 |ver one of the s| 00000680 6d 61 6c 6c 20 62 6f 78 65 73 20 61 74 20 65 61 |mall boxes at ea| 00000690 63 68 20 63 6f 72 6e 65 72 20 6f 66 20 74 68 65 |ch corner of the| 000006a0 20 66 72 61 6d 65 20 63 68 61 6e 67 65 73 20 69 | frame changes i| 000006b0 74 20 74 6f 20 61 20 63 6f 6d 70 61 73 73 20 73 |t to a compass s| 000006c0 68 61 70 65 2e 20 54 68 69 73 20 6d 65 61 6e 73 |hape. This means| 000006d0 20 74 68 61 74 20 79 6f 75 20 63 61 6e 20 63 6c | that you can cl| 000006e0 69 63 6b 20 61 6e 64 20 61 64 6a 75 73 74 20 74 |ick and adjust t| 000006f0 68 65 20 73 69 7a 65 20 6f 66 20 74 68 61 74 20 |he size of that | 00000700 66 72 61 6d 65 2e 0a 0a 54 68 65 72 65 20 61 72 |frame...There ar| 00000710 65 20 73 6d 61 6c 6c 20 73 6f 6c 69 64 20 72 65 |e small solid re| 00000720 64 20 73 71 75 61 72 65 73 20 61 74 20 74 68 65 |d squares at the| 00000730 20 65 6e 64 20 6f 66 20 74 68 65 20 72 65 64 20 | end of the red | 00000740 69 6e 74 65 72 6c 69 6e 6b 69 6e 67 20 6c 69 6e |interlinking lin| 00000750 65 73 2e 20 43 6c 69 63 6b 69 6e 67 20 6f 6e 65 |es. Clicking one| 00000760 20 6f 66 20 74 68 65 73 65 20 61 6e 64 20 6d 6f | of these and mo| 00000770 76 69 6e 67 20 74 68 65 20 6d 6f 75 73 65 20 61 |ving the mouse a| 00000780 6c 6c 6f 77 73 20 79 6f 75 20 74 6f 20 63 68 61 |llows you to cha| 00000790 6e 67 65 20 74 68 65 20 72 65 61 64 69 6e 67 20 |nge the reading | 000007a0 6f 72 64 65 72 20 6f 66 20 74 68 65 20 66 72 61 |order of the fra| 000007b0 6d 65 73 20 2d 20 73 69 6d 70 6c 79 20 64 72 61 |mes - simply dra| 000007c0 67 20 74 68 65 20 65 6e 64 20 6f 66 20 74 68 65 |g the end of the| 000007d0 20 6c 69 6e 65 20 74 6f 20 61 6e 6f 74 68 65 72 | line to another| 000007e0 20 66 72 61 6d 65 2e 0a 0a 03 36 2e 34 2e 32 20 | frame....6.4.2 | 000007f0 41 75 74 6f 6d 61 74 69 63 20 63 6f 6c 75 6d 6e |Automatic column| 00000800 20 64 65 74 65 63 74 69 6f 6e 0a 0a 00 54 6f 20 | detection...To | 00000810 6d 61 6b 65 20 6d 61 72 6b 69 6e 67 20 63 6f 6c |make marking col| 00000820 75 6d 6e 73 20 65 61 73 69 65 72 20 69 74 20 69 |umns easier it i| 00000830 73 20 61 6c 73 6f 20 70 6f 73 73 69 62 6c 65 20 |s also possible | 00000840 66 6f 72 20 4f 70 74 69 63 61 6c 20 74 6f 20 61 |for Optical to a| 00000850 74 74 65 6d 70 74 20 74 6f 20 66 69 6e 64 20 74 |ttempt to find t| 00000860 68 65 6d 20 61 75 74 6f 6d 61 74 69 63 61 6c 6c |hem automaticall| 00000870 79 2e 0a 0a 53 65 6c 65 63 74 20 74 68 65 20 73 |y...Select the s| 00000880 61 6d 65 20 69 63 6f 6e 20 61 73 20 69 6e 20 74 |ame icon as in t| 00000890 68 65 20 6c 61 73 74 20 73 65 63 74 69 6f 6e 2c |he last section,| 000008a0 20 61 6e 64 20 74 68 65 6e 20 64 6f 75 62 6c 65 | and then double| 000008b0 2d 63 6c 69 63 6b 20 6f 6e 20 74 68 65 20 69 6d |-click on the im| 000008c0 61 67 65 2e 0a 0a 49 66 20 79 6f 75 20 63 6c 69 |age...If you cli| 000008d0 63 6b 20 6f 76 65 72 20 61 20 66 72 61 6d 65 20 |ck over a frame | 000008e0 61 6c 72 65 61 64 79 20 64 65 66 69 6e 65 64 2c |already defined,| 000008f0 20 74 68 65 6e 20 6f 6e 6c 79 20 63 6f 6c 75 6d | then only colum| 00000900 6e 73 20 77 69 74 68 69 6e 20 74 68 61 74 20 66 |ns within that f| 00000910 72 61 6d 65 20 77 69 6c 6c 20 62 65 20 66 6f 75 |rame will be fou| 00000920 6e 64 2e 20 54 68 65 72 65 20 61 72 65 20 73 6f |nd. There are so| 00000930 6d 65 74 69 6d 65 73 20 70 72 6f 62 6c 65 6d 73 |metimes problems| 00000940 20 66 69 6e 64 69 6e 67 20 63 6f 6c 75 6d 6e 73 | finding columns| 00000950 20 77 69 74 68 69 6e 20 63 6c 6f 73 65 64 20 61 | within closed a| 00000960 72 65 61 73 20 6f 66 20 61 20 70 61 67 65 2e 20 |reas of a page. | 00000970 54 68 65 72 65 66 6f 72 65 20 73 65 6c 65 63 74 |Therefore select| 00000980 69 6e 67 20 61 20 72 65 67 69 6f 6e 20 77 69 74 |ing a region wit| 00000990 68 69 6e 20 74 68 61 74 20 63 6c 6f 73 65 64 20 |hin that closed | 000009a0 61 72 65 61 2c 20 61 6e 64 20 64 6f 75 62 6c 65 |area, and double| 000009b0 20 63 6c 69 63 6b 69 6e 67 20 6f 6e 20 69 74 20 | clicking on it | 000009c0 77 69 6c 6c 20 66 69 6e 64 20 74 68 6f 73 65 20 |will find those | 000009d0 63 6f 6c 75 6d 6e 73 2e 0a 0a 49 66 20 79 6f 75 |columns...If you| 000009e0 20 64 6f 75 62 6c 65 20 63 6c 69 63 6b 20 77 69 | double click wi| 000009f0 74 68 20 05 53 65 6c 65 63 74 20 00 74 68 65 6e |th .Select .then| 00000a00 20 61 6c 6c 20 6f 74 68 65 72 20 64 65 66 69 6e | all other defin| 00000a10 65 64 20 66 72 61 6d 65 20 64 65 66 69 6e 69 74 |ed frame definit| 00000a20 69 6f 6e 73 20 77 69 6c 6c 20 62 65 20 72 65 6d |ions will be rem| 00000a30 6f 76 65 64 20 62 65 66 6f 72 65 20 73 65 6c 65 |oved before sele| 00000a40 63 74 69 6e 67 20 74 68 65 20 6e 65 77 20 6f 6e |cting the new on| 00000a50 65 73 2e 20 43 6c 69 63 6b 69 6e 67 20 77 69 74 |es. Clicking wit| 00000a60 68 20 05 41 64 6a 75 73 74 20 00 6b 65 65 70 73 |h .Adjust .keeps| 00000a70 20 74 68 65 6d 2e 0a 0a 03 36 2e 34 2e 33 20 4d | them....6.4.3 M| 00000a80 61 72 6b 69 6e 67 20 61 6e 20 69 6e 63 6f 6e 73 |arking an incons| 00000a90 69 73 74 65 6e 74 20 72 65 67 69 6f 6e 0a 0a 00 |istent region...| 00000aa0 49 74 20 69 73 20 61 6c 73 6f 20 70 6f 73 73 69 |It is also possi| 00000ab0 62 6c 65 20 74 6f 20 6d 61 72 6b 20 61 72 65 61 |ble to mark area| 00000ac0 73 20 6f 66 20 74 65 78 74 2c 20 6f 72 20 70 69 |s of text, or pi| 00000ad0 63 74 75 72 65 73 20 77 68 69 63 68 20 61 72 65 |ctures which are| 00000ae0 20 69 6e 63 6f 6e 73 69 73 74 65 6e 74 20 77 69 | inconsistent wi| 00000af0 74 68 20 74 68 65 20 73 75 72 72 6f 75 6e 64 69 |th the surroundi| 00000b00 6e 67 20 74 65 78 74 2c 20 77 68 69 63 68 20 6d |ng text, which m| 00000b10 69 67 68 74 20 6f 74 68 65 72 77 69 73 65 20 70 |ight otherwise p| 00000b20 72 6f 64 75 63 65 20 72 65 61 64 69 6e 67 20 70 |roduce reading p| 00000b30 72 6f 62 6c 65 6d 73 2e 0a 0a 54 6f 20 6d 61 72 |roblems...To mar| 00000b40 6b 20 61 6e 20 61 72 65 61 20 6c 69 6b 65 20 74 |k an area like t| 00000b50 68 69 73 2c 20 68 6f 6c 64 20 05 41 6c 74 20 00 |his, hold .Alt .| 00000b60 6f 6e 20 74 68 65 20 6b 65 79 62 6f 61 72 64 05 |on the keyboard.| 00000b70 20 00 64 6f 77 6e 20 77 68 69 6c 65 20 6d 61 6b | .down while mak| 00000b80 69 6e 67 20 61 20 66 72 61 6d 65 2e 20 54 68 65 |ing a frame. The| 00000b90 20 72 65 73 75 6c 74 69 6e 67 20 66 72 61 6d 65 | resulting frame| 00000ba0 20 69 73 20 72 65 64 20 77 69 74 68 20 61 20 63 | is red with a c| 00000bb0 72 6f 73 73 65 64 20 6c 69 6e 65 73 20 69 6e 73 |rossed lines ins| 00000bc0 69 64 65 2e 0a 0a 4f 70 74 69 63 61 6c 20 04 77 |ide...Optical .w| 00000bd0 69 6c 6c 20 00 61 74 74 65 6d 70 74 20 74 6f 20 |ill .attempt to | 00000be0 72 65 61 64 20 74 68 65 20 63 6f 6e 74 65 6e 74 |read the content| 00000bf0 73 20 6f 66 20 74 68 65 20 66 72 61 6d 65 2c 20 |s of the frame, | 00000c00 75 6e 6c 65 73 73 20 74 68 65 79 20 61 72 65 20 |unless they are | 00000c10 74 6f 6f 20 6c 61 72 67 65 20 28 61 73 20 69 6e |too large (as in| 00000c20 20 74 68 65 20 63 61 73 65 20 6f 66 20 70 69 63 | the case of pic| 00000c30 74 75 72 65 73 2e 29 20 54 68 75 73 20 64 72 6f |tures.) 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F| 00001d30 6f 72 20 6d 6f 72 65 20 64 65 74 61 69 6c 73 20 |or more details | 00001d40 6f 6e 20 69 74 73 20 75 73 65 20 73 65 65 20 07 |on its use see .| 00001d50 43 68 61 70 74 65 72 20 34 2e 33 2e 37 20 2d 20 |Chapter 4.3.7 - | 00001d60 53 63 61 6e 20 61 72 65 61 00 2e 0a 0a 0a 02 36 |Scan area......6| 00001d70 2e 38 20 4d 65 72 67 69 6e 67 20 53 63 61 6e 6e |.8 Merging Scann| 00001d80 65 64 20 49 6d 61 67 65 73 0a 0a 00 54 68 69 73 |ed Images...This| 00001d90 20 66 65 61 74 75 72 65 20 62 65 63 6f 6d 65 73 | feature becomes| 00001da0 20 66 75 6e 63 74 69 6f 6e 61 6c 20 77 68 65 6e | functional when| 00001db0 20 61 20 53 70 72 69 74 65 20 66 69 6c 65 20 69 | a Sprite file i| 00001dc0 73 20 64 72 6f 70 70 65 64 20 6f 6e 74 6f 20 74 |s dropped onto t| 00001dd0 68 65 20 73 63 61 6e 6e 65 64 20 69 6d 61 67 65 |he scanned image| 00001de0 2e 0a 0a 48 61 6e 64 2d 68 65 6c 64 20 73 63 61 |...Hand-held sca| 00001df0 6e 6e 65 72 73 20 61 72 65 20 75 73 75 61 6c 6c |nners are usuall| 00001e00 79 20 75 6e 61 62 6c 65 20 74 6f 20 73 63 61 6e |y unable to scan| 00001e10 20 61 20 77 68 6f 6c 65 20 70 61 67 65 20 6f 66 | a whole page of| 00001e20 20 41 34 20 62 65 63 61 75 73 65 20 6f 66 20 74 | A4 because of t| 00001e30 68 65 69 72 20 73 69 7a 65 2e 20 48 6f 77 65 76 |heir size. 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.