Hello,
I notice that vertical and horizontal lines in a bitmap, are not aliased anymore when i rotate the bitmap a little bit. Is that normal? How can i prevent this?
thanks!
Matt
Hello,
I notice that vertical and horizontal lines in a bitmap, are not aliased anymore when i rotate the bitmap a little bit. Is that normal? How can i prevent this?
thanks!
Matt
Hello Matt,
Can you post an example?
Post the non-rotated and then a screen grab of the rotated bitmap.
Soquili
a.k.a. Bill Taylor
Bill is no longer with us. He died on 10 Dec 2012. We remember him always.
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hello,
please look here.
regards,
Matt
I think it is more related to how computer screens are made rather than the program.
Look at the first attachment (click the thumbnail to see a larger version).
Notice the jaggies on the rotated screen grab of the Blend Tool's Position profile dialog.
The second attachment is zoomed in, notice that jaggies are less pronounced.
Pixels on a computer screen are rectangular rather than circular or square, this creates a longer vertical offset than horizontal. Lines in a bitmap (matrix of pixels) exhibit this when rotated.
Soquili
a.k.a. Bill Taylor
Bill is no longer with us. He died on 10 Dec 2012. We remember him always.
My TG Album
Last XaReg update
i agree, but look here: http://southcreative.com.au/images/p...lainsource.jpg
This looks much nicer then my rotated screenshot, not?
Look at how Photoshop does it, and that is a dedicated bitmap editor program.
The link you provided was most likely created in a vector application and not using bitmaps to create the rotated letterhead pages.
Soquili
a.k.a. Bill Taylor
Bill is no longer with us. He died on 10 Dec 2012. We remember him always.
My TG Album
Last XaReg update
The attached is an example of rotated vector objects rather than a bitmap.
Soquili
a.k.a. Bill Taylor
Bill is no longer with us. He died on 10 Dec 2012. We remember him always.
My TG Album
Last XaReg update
ok, indeed it will work better with vector source files.
Thanks!
Matt
You can have the original set as a high resolution eg 300 dpi and then rotate it and save it at a lower dpi. If the image is for your computer rather than print, then 96dpi or 76dpi is OK.
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Actually 72 or 75, Salaam, and that is Mac screen resolution.
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