Pixelation extracted vs .pdf?

Hello! I have some scanned .pdf files I need to edit and then download to use in a photo book. When I opened the PES 11, I get 2 options. 1 pages/pixelation that keeps the image around the same size and 2. Images/snippet that ends up being about 3 times the original size. I wonder what is the difference between the 2 options and that, if one has better quality for printing? Thank you very much!

Try opening the two, one at a time to see the difference. Go to your menu at the top and find Image then Image size. Click on the item of menu Image size. Look at the pixel Dimensions. The width and height values are more resolution (don't worry ppi for now) write these values and try opening the image with the other option and repeat.

Note that I stressed open files and do not place the file in a new document. Open the file, you will use the resolution of the actual file, then the creation of a file by placing the pdf file, will use the new file resolution and not the image. And would the test above irrelevent.

Keep this in mind, it is always better to start with a higher resolution image and reduce, if necessary, that it is difficult to do the contrary as photoshop would invent additional pixels that do not exist in order to increase the resolution.

Example: An image of a camera that creates an image of megapixels 3 is about 1600 x 1200 pixels, and you want to send the picture to a friend, if you could bring the image to 640 x 480 and the image would be fine.

However you find a picture on the web that is 320 x 240 and you want to print a poster that the image would look horrible because there is not enough information to be seen and photoshop does his best to try to make it look good. But the difference in size is too big for it may well appear.

Here's something else to keep in mind, use the jpg for the sharing and psd, tiff, or png file format to remember.  Lets say, you save an image as a jpg, so tomorrow that you decide adds the text "Happy years" and the next day you decide nope not good enough and you add the text "Jimmy Boy".

Lets see what happened, the original image has been saved as a jpg and everywhere there were large amounts of solid color when thrown, they no longer exist to make the file smaller. The next day, when the happy birthday text has been added, that it has been saved as a jpg again and more color threw out and again the third day. If this is the third day, or the third time 23 it was opened and even once saved, keeps quality worsens as more color threw clean. Until you are at the point where it is difficult to see what is in this picture.

Now let's say the first day that you saved the file as a psd, yes the file is much larger, but the quality is all direct txt so the layer not to mention transparent parts if there is place. This file can be opened and saved as much as you want and without loss will occur.

The two types of files are Lossly (jpg) and tiff and psd without loss of (psd, tiff and png) are the only two that supports layers and living text. All three are supported by transparency. Jpg does not support transparency.

Tags: Photoshop

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