view tools/emboss.xml @ 2:a44112280169

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<tool id="filter_emboss" name="Filter - Emboss" version="1.0.2">
	
	<description>Apply an emboss filter on image.</description>
	
	<command interpreter="python" >
		#if (str($input.ext) == 'jpg'):
			pil_filter.py $input $output emboss jpeg
        #else:
			pil_filter.py $input $output emboss ${input.ext}
		#end if 
  	</command>
	
	<inputs>
		<param name="input" type="data" format="png,jpg,tif,zip" label="Input image" help="Original RGB or grayscale image." />
	</inputs>
	
	<outputs>
		<data format="input" name="output" metadata_source="input" label="Emboss on ${input.display_name}" />
	</outputs>
	
	<help>
		An emboss filter gives a 3D shadow effect to the image, the result is very useful for a bumpmap of the image. It can be achieved by taking a pixel on one side of the center, and subtracting one of the other side from it. Pixels can get either a positive or a negative result. 
  	</help>

  	<tests>
  		<test>
  			<param name="input" value="images/sydney.jpg" />
  			<output name="output" file="images/sydney-emboss.jpg" />
  		</test>
  	</tests>

</tool>