Steve'sDigicams

Log · Jun 8, 2006, 8:16 PM

posted in another forum before but thought it applied here

taken at the capital building in Washington DC, Nov. 5th, 2004

DX6490 1/1500 sec at f 5.6

Logan

PS... no post process whatsoever beside resize and .5 degree rotate CW

and anyone know how to upload better resizes... i just noticed how "jaggy" / pixelated the sky looks...

calr · Jun 8, 2006, 10:51 PM

I like this shot. Looks like you use a polarizer to darken the sky.

There are several algorithms in use for resizing photos in photo editors. Paint Shop Pro X has "Smart Size", "Bicubic", "Bilinear", "Pixel Resize", and "Weighted Average". I don't know how any of these algorithms work but for me, the "Weighted Average" seems to work the best. I presume PS has similar options.

Cal

selvin · Jun 9, 2006, 4:07 AM

Logan,

That sky looks almost navy blue. Artfully composed and cropped.

RE: resizing, if you're a real purist it appears that the many algorithms cited by Cal, are used in various ways depending on the characteristics of the image.

IrfanView (freeware photo editor) uses a Lanczos resampling algorithm as default which is one of the better general purpose ones but there are a lot of fans of BiCubic and some of the others. Each adherent can cite you chapter and verse why their favorite is better than the others.

Here's a thread about resizing that may help you a tad:

http://www.stevesforums.com/forums/v...mp;forum_id=70

Aloha

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Jun 8, 2006, 8:16 PM	#1
Log Senior Member Join Date: Feb 2006 Posts: 394	posted in another forum before but thought it applied here taken at the capital building in Washington DC, Nov. 5th, 2004 DX6490 1/1500 sec at f 5.6 Logan PS... no post process whatsoever beside resize and .5 degree rotate CW and anyone know how to upload better resizes... i just noticed how "jaggy" / pixelated the sky looks...

Jun 8, 2006, 10:51 PM	#2
calr Moderator Join Date: Sep 2003 Location: Beaverton, OR Posts: 8,466	I like this shot. Looks like you use a polarizer to darken the sky. There are several algorithms in use for resizing photos in photo editors. Paint Shop Pro X has "Smart Size", "Bicubic", "Bilinear", "Pixel Resize", and "Weighted Average". I don't know how any of these algorithms work but for me, the "Weighted Average" seems to work the best. I presume PS has similar options. Cal

Jun 9, 2006, 4:07 AM	#3
selvin Moderator Join Date: Aug 2002 Posts: 7,204	Logan, That sky looks almost navy blue. Artfully composed and cropped. RE: resizing, if you're a real purist it appears that the many algorithms cited by Cal, are used in various ways depending on the characteristics of the image. IrfanView (freeware photo editor) uses a Lanczos resampling algorithm as default which is one of the better general purpose ones but there are a lot of fans of BiCubic and some of the others. Each adherent can cite you chapter and verse why their favorite is better than the others. Here's a thread about resizing that may help you a tad: http://www.stevesforums.com/forums/v...mp;forum_id=70 Aloha