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Dear Bryan,
 
maybe you'll find it helpful to have a look at the algorithms described in  
Wikipedia,
e.g. , _http://en.wikipedia.org/Bubble_sort_ 
(http://en.wikipedia.org/Bubble_sort)   .
 
You'll find a description of how the algorithm works, in plain English, and  
some
pseudocode, using much of the notation you find so unfamiliar.
 
For more encyclopedic requirements, there are the books:
 
Algorithms, by Robert Sedgewick,
 
and The Art of Computer Programming, by Donald Knuth , 3 vols ( an absolute  
classic),
Combinatorial Optimization, by Alexander Schrijver, 3 vols or one CD (very  
impressive also),   
 
Best regards,
 
Axel 



   

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=ISO-8859-1">
<META content="MSHTML 6.00.2800.1561" name=GENERATOR></HEAD>
<BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" 
bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=role_document 
face=Arial color=#000000 size=2>
<DIV>Dear Bryan,</DIV>
<DIV>&nbsp;</DIV>
<DIV>maybe you'll find it helpful to have a look at the algorithms describedn 
Wikipedia,</DIV>
<DIV>e.g. , <A 
href="http://en.wikipedia.org/Bubble_sort">http://en.wikipedia.org/Bubble_sort</A> 
.</DIV>
<DIV>&nbsp;</DIV>
<DIV>You'll find a description of how the algorithm works, in plain English,nd 
some</DIV>
<DIV>pseudocode, using much of the notation you find so unfamiliar.</DIV>
<DIV>&nbsp;</DIV>
<DIV>For more encyclopedic requirements,&nbsp;there are the books:</DIV>
<DIV>&nbsp;</DIV>
<DIV>Algorithms, by Robert Sedgewick,</DIV>
<DIV>&nbsp;</DIV>
<DIV>and The Art of Computer Programming, by Donald Knuth , 3 vols ( an absolute 
classic),</DIV>
<DIV>Combinatorial Optimization, by Alexander Schrijver, 3 vols or one CD (very 
impressive also),&nbsp;&nbsp;&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>Best regards,</DIV>
<DIV>&nbsp;</DIV>
<DIV>Axel </DIV></FONT>   </BODY></HTML>

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Return-path: <Nuralanur / aol.com>
From: Nuralanur / aol.com
Full-name: Nuralanur
Message-ID: <ce8.dd2027c.335377c4 / aol.com>
Date: Sun, 15 Apr 2007 08:42:44 EDT
Subject: Setting Rmagick resolution when reading in an image?
To: ruby-talk / ruby-lang.org
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Dear all,
 
 
I am having problems when reading in an image (PS/PDF/TIF):
I need to read in images of these formats, cut them in two and
export them. Unfortunately, using 
 
im=Magick::Image.read(filename).first
 
produces only images with resolutions of 72x72, which is
too blurry (I need 600x600).
I have tried 
 
im.density="600x600", 
 
and
 
im.x_resolution=600
 
im.y_resolution=600
 
after reading in, and resampling 
 
im.resample(600,600),
 
but without success. Is there a way to tell Rmagick what the  resolution
is when reading in a file ?
 
Thank you very much!
 
Best regards,
 
Axel 

 
 



   

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=ISO-8859-1">
<META content="MSHTML 6.00.2800.1561" name=GENERATOR></HEAD>
<BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" 
bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=role_document 
face=Arial color=#000000 size=2>
<DIV>Dear all,</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>I am having problems when reading in&nbsp;an image (PS/PDF/TIF):</DIV>
<DIV>I need to read in images of these formats, cut them in two and</DIV>
<DIV>export them. Unfortunately, using </DIV>
<DIV>&nbsp;</DIV>
<DIV>im=Magick::Image.read(filename).first</DIV>
<DIV>&nbsp;</DIV>
<DIV>produces only images with resolutions of 72x72, which is</DIV>
<DIV>too blurry (I need 600x600).</DIV>
<DIV>I have tried </DIV>
<DIV>&nbsp;</DIV>
<DIV>im.density="600x600", </DIV>
<DIV>&nbsp;</DIV>
<DIV>and</DIV>
<DIV>&nbsp;</DIV>
<DIV>im.x_resolution=600</DIV>
<DIV>
<DIV>im.y_resolution=600</DIV>
<DIV>&nbsp;</DIV>
<DIV>after reading in, and resampling </DIV>
<DIV>&nbsp;</DIV>
<DIV>im.resample(600,600),</DIV>
<DIV>&nbsp;</DIV>
<DIV>but without success. Is there a way to tell Rmagick what the 
resolution</DIV>
<DIV>is when reading in a file ?</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thank you very much!</DIV>
<DIV>&nbsp;</DIV>
<DIV>Best regards,</DIV>
<DIV>&nbsp;</DIV>
<DIV>Axel </DIV></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV></FONT>   </BODY></HTML>

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