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Why are imported pictures blurry / fuzzy / impossible to read?
I spent some time uploading pictures for a lesson. When I put them in the book I was making, they got all blurry. It was difficult to even tell what the picture was of anymore! Why are the pictures I imported for a lesson blurry (to the point I can barely see the image)?
I’m unsure
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Inappropriate?Hi Pam!
When working with images there many things to know! One of them is that images all have a certain size to them, eg. 800x600. An image, can be small say an icon and you can import it, but VizZle will try to enlarge that image to fit into the tile of the lesson. Thus, it will become blurry or pixelated. The quality of the image is also important, ans sometimes this can be gauged by the actual file size eg. 560k.
I would recommend when looking for an image with a service like google images, to choose your image size from the drop downs, I would recommend medium at the lowest possible size. Also, I would try to find image in the filetypes of Jpg or Png, gifs can also often times be misleading and cause pixelation.
I’m confident
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Inappropriate?Welcome to the strange and wacky world of image resolution!
This situation commonly occurs when you are grabbing a picture from the Internet. We all like to grab images from Google Images or Yahoo Images.
However, there is some diabolical electronic wizardry going on behind the scenes that you need to know about. I don't worry though, I'll show you "the path".
Yahoo and Google want their searches to be fast and in the electronic world images are the 20 ton elephant in the room. So these search engines create little, tiny copies of the original images and display them in the search. They call them thumbnails (why not fingernails??).
If you right click (that's Command click for you on Macs) on the image you want and save it to your computer, then you are getting the tiny image only, not the big, beautiful image you thought you were getting.
Here's the geek trick: Click on the image (thumbnail) and in Google click on the link at the top that reads "View Full Size Image". When it loads THEN right click (command-click on Mac) and save the image. If you using Yahoo click on the image and chose the link that reads "View Image" and then save it.
This way you will generally get an image that can be used in Vizzle.
This isn't always the case....if it doesn't work check my next comment for more juicy tidbits on this fascinating subject. -
Inappropriate?More Image Resolution Guidelines for Those with a Geeky Streak
This is a topic I like, but if I try to talk about it then most people just hear "blaa, bla, bla and blaa, bla, bla." If you are brave enough to go on then check out the brief paragraphs below.
Images are mostly stored in jpg and gif formats. These are the file types. These particular file types compress the images so they are smaller on disk and as a result they introduce some blurriness that can be seen more as the images are made smaller for the web.
When you are searching on Google or Yahoo the resolution is listed in a formula like 400 x 400 or 287 x 233. This is a measurement (like when you measure a room in your house except in pixels instead of feet).
If either of these numbers are under 200 then it will probably look blurry or have jaggy in the book activity. It might look ok in the game or the matching board, but don't even consider using images if either of the measurements are under 125, unless everything looks blurry to you and then you might not notice.
If the numbers are have 4 digits, like 2500 x 3200, then this is a very large image and it will be slow to load when you first try to use it in play mode. Unless you have a very fast internet connection you might want to go out for coffee while these puppies load.
So what do I recommend, you might ask (and I'm so glad you did)?!
If you are NOT going to print it for a table top activity then the sweet spot is for these to be between 300 and 600. If you want to print it and have it look good, then you might want images that are slightly larger 500-800. Just remember that if either number is over 1,000 are going to be slower to load in the activities.
I've just scratched the surface of this whole resolution thing....and hopefully you found some useful tips. If not, let me reiterate "Blaa, bla, bla, and blaa, bla, bla." The End.
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