1. Image processing in CorelDraw (CD)
Generally, PSD and TIF images are imported into CDs. Except for PSD files with unmerged layers that can be identified by attributes after import, other (1) merged PSD, (2) unmerged TIF, (3) The three images of the merged TIF file cannot be distinguished after they are imported into CD.
Imported PSD pictures, if you do rotation, mirroring, resizing, tilting, etc. in the CD, it is easy to break when the film is released. Therefore, if the pictures imported from the CD are rotated, the most So it is the most insurable to transfer its bitmap. It is also necessary to pay attention to the above problems when accurately cutting the bitmap in the picture frame, and also pay attention to whether the frame is locked with the picture.
Through the above analysis, the processing methods before the pictures are sent can be summarized as follows, a total of 5 points:
1. Pictures and shadowed pictures need to be converted to bitmaps only after rotation, mirroring or tilting is applied;
2. Images with different resolutions in the attribute information need to be indexed;
3. If the picture in the precise cropping frame is rotated or the resolution is different, it needs to be converted into a bitmap;
4. In addition to the bitmap in the above situation, the RGB image can be directly converted to the CMYK mode (do not select all the RGB images together, because there may be pictures that are not on a layer, and some strange problems may occur after conversion)
5. The image with the filter needs to be converted into a bitmap (note: whether the original image changes too much after conversion)
2. Graphics:
There are relatively few graphics problems. The most important thing is the transparency problem. Graphics that use the transparency effect are prone to problems when they are produced. Therefore, it is best to convert the graphics with transparency effects to bitmaps. But sometimes, when there are thousands of pictures in a file with transparency effect, it is best to select a few representative graphics to convert to bitmap to see, if there is no big change in the graphics, such as conversion After losing things, you can try not to change.
If the graphics use other effects, you can ignore them.
3. There are many problems with fonts.
1. The artistic characters should be transformed into curves.
2. Try not to use fonts with GB2312. After these fonts are converted into curves, there will be obvious hollows where the strokes cross. The above-mentioned situation will also appear in the Founder tanning curve.
3. Sometimes the system will falsely report missing fonts, but if the file is opened, if the save button is gray, it means that the font is actually not bad (if not, honestly install the font and restart it)
4. When the font turns into a curve, it freezes, indicating that there is art text in the precise cropping frame.
5. Paragraph text. You should pay attention to whether the text in the text box is not all displayed (it is easy to overlook)
6. Next is the most troublesome question, please open your eyes. The text content is entered in the blank space in the full-width state when input. Then you will find that the text you entered is gone after the film is released. At this time, please open the file carefully and search for the artistic words. You will find that there are places where the artistic words are found, but they are all a row of small hollow dots. . This is the problem of the disappearance of the font that appears in the spaces entered in the full-width state as mentioned above. Then the only solution is to use Chinese and English fonts to see what the original word is here, and then restore the text. If there are no words displayed when viewed in Chinese and English fonts, it means that there are only spaces and no words, then Click DEL to delete.
How to deal with font effects
1. The zipper is used, and the words of the envelope are ignored, and the curve is directly turned.
2. Contour words, you can select all the fonts and contours together, and then turn the fonts to curves
3. The three-dimensional characters are also separated after being selected together, and the font turns to a curve. Note that the following three-dimensional image is preferably a bitmap
4. Shaded words. If the font is rotated, please select and separate them together, the font can be turned into a curve, and the shadow can be turned into a bitmap.
5. The transparent word can not be changed. (If you want to pursue a high standard, let ’s turn to a bitmap, safety first)
Fourth, the treatment of corners:
1. The corner line should not exceed 1.2mm
2. If you have a spot color, please pay attention to the imposition mark line.
3. If a 4-color version has black corners, please change to C100M100Y100K100
4. The corner of a monochrome version uses the corner of the monochrome
5. A 2-color (CY) version, his corner is Green, because the setting of the corner should be C100Y00 = Green
6. Remember to use a few colored corner lines for several colored versions.
Other points that should be noted:
4-color characters: the characters C100M100Y100K100 were used, which was originally intended to be black, but if it is set like this, although the characters are also displayed in black, there will be characters on each film after the film is printed, and printing overprint will appear inaccurate. Happening.
Built-in corner line: If you want the output device to bring its own corner line, the length and width set on the printed page must be 10-15mm larger than the length and width set on the file page, respectively
Locking problem: Sometimes, the person who makes a picture locks a certain picture row in the picture. Generally, before checking the pictures, all must be selected, and then Ctrl + G is selected to be centered. If the graphic is locked, he will not be moved, so check whether any image is locked before starting to check the picture.
Print lock: You may encounter a situation when you want to convert a picture into a bitmap, a prompt box pops up (the objects on the non-printable layer cannot be converted into a bitmap), then you need to call up the "object Administrator "to unlock the print.
The two monochrome versions must be split into 2 PS layouts.
5. The setting of the printer is very important, which is directly related to the quality of the final film. You can refer to the following diagram to set it:
The most commonly used when checking files is "file information" (ctrl + f + m)
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