color a figure in text file Post: 302312870

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Top Forums Shell Programming and Scripting color a figure in text file Post 302312870 by Bluetoot on Monday 4th of May 2009 01:07:42 AM

05-04-2009

Registered User

Thanx for your reply.... But it dose not work .. It seems that it copy the strings of the color to the figure ... I have change the threshold from 90 to 20 just for test..
awk '{for(i=1;i<=NF;i++)if ($i >= 20)printf("%s "," \033[31m"$i"\033[0m");else printf("%s ",$i);printf "\n"}' test_mai

Answer:

\033[31m29\033[0m \033[31m38\033[0m 19 \033[31m37\033[0m
\033[31m43\033[0m \033[31m31\033[0m \033[31m32\033[0m 12
\033[31m38\033[0m \033[31m30\033[0m 19 \033[31m35\033[0m
\033[31m26\033[0m \033[31m27\033[0m \033[31m23\033[0m \033[31m21\033[0m
\033[31m22\033[0m \033[31m21\033[0m \033[31m27\033[0m \033[31m24\033[0m
\033[31m26\033[0m \033[31m24\033[0m \033[31m20\033[0m \033[31m24\033[0m
\033[31m28\033[0m \033[31m30\033[0m \033[31m25\033[0m \033[31m21\033[0m
\033[31m25\033[0m \033[31m27\033[0m 18 \033[31m22\033[0m
\033[31m27\033[0m \033[31m30\033[0m \033[31m26\033[0m \033[31m25\033[0m
\033[31m29\033[0m \033[31m30\033[0m \033[31m20\033[0m \033[31m26\033[0m
\033[31m25\033[0m \033[31m24\033[0m \033[31m23\033[0m \033[31m21\033[0m
\033[31m32\033[0m \033[31m31\033[0m \033[31m20\033[0m \033[31m26\033[0m
\033[31m34\033[0m \033[31m29\033[0m \033[31m30\033[0m \033[31m39\033[0m
\033[31m25\033[0m \033[31m20\033[0m 15 12
\033[31m37\033[0m \033[31m30\033[0m \033[31m38\033[0m \033[31m42\033[0m
\033[31m24\033[0m \033[31m26\033[0m 18 18
\033[31m29\033[0m \033[31m23\033[0m \033[31m26\033[0m 17
\033[31m24\033[0m \033[31m28\033[0m 18 \033[31m25\033[0m

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LEARN ABOUT PHP

imagick.whitethresholdimage

IMAGICK.WHITETHRESHOLDIMAGE(3)						 1					    IMAGICK.WHITETHRESHOLDIMAGE(3)

Imagick::whiteThresholdImage - Force all pixels above the threshold into white

SYNOPSIS

       bool Imagick::whiteThresholdImage (mixed  $threshold)

DESCRIPTION

	Is  like  Imagick::ThresholdImage()  but  force  all  pixels  above  the threshold into white while leaving all pixels below the threshold
       unchanged.

PARAMETERS

	      o $threshold
		-

RETURN VALUES

	Returns TRUE on success.

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 2.1.0	|						    |
       |	|						    |
       |	|  Now allows a string representing the color as  a |
       |	| parameter.  Previous versions allow only an Imag- |
       |	| ickPixel object.				    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES

       Example #1

	      Imagick.whiteThresholdImage(3)

	      <?php
	      function whiteThresholdImage($imagePath, $color) {
		  $imagick = new Imagick(realpath($imagePath));
		  $imagick->whiteThresholdImage($color);
		  header("Content-Type: image/jpg");
		  echo $imagick->getImageBlob();
	      }

	      ?>

PHP Documentation Group 											    IMAGICK.WHITETHRESHOLDIMAGE(3)