Better looking zoomed pictures
This is about how and why the inzomia image viewer makes your photos look better zoomed. You want as good looking image as possible right? Most image viewers show pictures “as they are”. If an image is zoomed the pixels are simply enlarged. This is good when you want to edit a photo, then you really want to know that you are editing the real raw data for the photo.
On the other hand, when you are viewing a photo you probably just want it to look as good as possible. If the photo is shown without zoom any extra effects are just bad. If anything needs to be changed on the original photo they photo should be editied in photoshop, there is no way for a program to know what is good or bad.
When an image is zoomed in or zoomed out you have another case all together. The act of zooming the picture will introduce something called aliasing, in practice there will be bad loooking artifacts.
Imagine that you have a one gray pixel and one white pixel. When the image is zoomed to say the double size (200%) you will have 4 while pixels next to 4 black pixels. The zoomed image would look smother if the pixel row between the black and the white pixels where in the middle ie gray. For photos this almost always what you want. For images with text it might be better to not change the pixels to have the edges sharper but in practice filters are probably better there as well.
By default inzomia image viewer filters images when they are zoomin and zoomed out. You can disable this feature from the preferences below the perfromance tap. The filtering is done in realtime as the image is rendered and it uses your graphics card. If your have a laptop or a computer without a 3d card the filtering will cost some performance but in practice its worth the time and unless you are viewing really large images on a high resolution screen you will not notice the partformance difference.
So in short, filtering in the inzomia image viewer makes your photos look better when zoomed. Download the viewer and see for yourself, its free for non-comercial use.
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