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<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Hi Lee,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I did that already in
all imglib2-core classes. The question also is if it is necessary somewhere
else, too….<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Nice greetings,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Steffi<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif";color:windowtext'>From:</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>
imagej-devel-bounces@imagejdev.org [mailto:imagej-devel-bounces@imagejdev.org] <b>On
Behalf Of </b>Lee Kamentsky<br>
<b>Sent:</b> Friday, May 20, 2011 2:15 PM<br>
<b>To:</b> imagej-devel@imagejdev.org<br>
<b>Subject:</b> Re: [ImageJ-devel] Changes to the Interval and RealInterval
interfaces<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Makes perfect sense, especially if you've updated all
implementers of the interfaces.<br>
<br>
--Lee<br>
On 5/20/2011 8:09 AM, Stephan Preibisch wrote: <o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Hi guys,</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>I am just implementing algorithms and I
noticed that it saves quite some temporary arrays if Interval and RealInterval can
set Positionables to their min and max location.</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>The interface would look like (red just
added):</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas'>
</span><span style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'>/**</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@param</span></b><span
style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> d dimension</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@return</span></b><span
style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> minimum</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> */</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas'>
</span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#7F0055'>public</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas'> </span><b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F0055'>long</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas'> min( </span><b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>final</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'> </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>int</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'> d );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'>/**</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * Write the minimum
of each dimension into long[].</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@param</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> min</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> */</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#7F0055'>public</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas'> </span><b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F0055'>void</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas'> min( </span><b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>long</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'>[] min );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> /**</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> * Sets a {@link
Positionable} to the minimum of this {@link Interval}</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> * </span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> * @param min</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> */</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> public void min(
Positionable min );</span></b><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><span style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'>/**</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> </span><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> * </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@param</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> d
dimension</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@return</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> maximum</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> */</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#7F0055'>public</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas'> </span><b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F0055'>long</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas'> max( </span><b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>final</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'> </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>int</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'> d );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'>/**</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * Write the minimum
of each dimension into long[].</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@param</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> max</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> */</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#7F0055'>public</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas'> </span><b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F0055'>void</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas'> max( </span><b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>long</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'>[] max );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'> </span><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> /**</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> * Sets a {@link
Positionable} to the maximum of this {@link Interval}</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> * </span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> * @param max</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> */</span></b><o:p></o:p></p>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
Consolas;color:red'> public void max(
Positionable max );</span></b><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'>/**</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * Write the number of
pixels in each dimension into long[].</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@param</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'>
dimensions</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> */</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#7F0055'>public</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas'> </span><b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F0055'>void</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas'> dimensions( </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>long</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'>[] dimensions );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'>/**</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * Get the number of
pixels in a given dimension </span><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F7F9F'><em></span><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'>d</span><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F7F9F'></em></span><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'>.</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> * </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F9FBF'>@param</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#3F5FBF'> d</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#3F5FBF'> */</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:Consolas'>
</span><b><span lang=EN-US style='font-size:10.0pt;font-family:Consolas;
color:#7F0055'>public</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas'> </span><b><span lang=EN-US style='font-size:10.0pt;
font-family:Consolas;color:#7F0055'>long</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:Consolas'> dimension( </span><b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas;color:#7F0055'>int</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:Consolas'> d );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Same applies to the RealInterval….</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Now you could write:</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>interval.min( randomAccess );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>instead of:</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>long[] tmp = new long[ numDimensions ];</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>interval.min( tmp );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>randomAccess.setPosition( tmp );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>or</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>for ( int d = 0; d < numDimensions; ++d )</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> randomAccess.setPosition(
interval.min( d ), d );</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>which might be inefficient for the case that
the input is a paged/compressed cell container. Potentially, it would have to
load a lot of unnecessary cells on its way through the dimensions…</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>What do you think? Everything is already
implemented and updated, I simply have to push it….</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>Steffi</span><o:p></o:p></p>
<pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>ImageJ-devel mailing list<o:p></o:p></pre><pre><a
href="mailto:ImageJ-devel@imagejdev.org">ImageJ-devel@imagejdev.org</a><o:p></o:p></pre><pre><a
href="http://imagejdev.org/mailman/listinfo/imagej-devel">http://imagejdev.org/mailman/listinfo/imagej-devel</a><o:p></o:p></pre>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>
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