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			24 lines
		
	
	
		
			1021 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			1021 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| =================================================================
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| Logtalk - Object oriented extension to Prolog
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| Release 2.14.1
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| 
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| Copyright (c) 1998-2002 Paulo Moura.  All Rights Reserved.
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| =================================================================
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| 
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| To load all objects in this example consult the polygons.loader utility
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| file (note that the *.loader files are Prolog files).
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| 
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| You will need to load the objects in the roots and relations 
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| examples (consulting the corresponding roots.loader and relations.loader 
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| files).
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| 
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| You will also need to consult the following files in the library directory: 
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| events.loader, types.loader, metapredicates.loader, and hierarchies.loader.
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| Alternatively, you may load the library/all.loader file to load all library 
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| entities.
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| 
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| In this example we have several types of polygons that can be concentric.
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| This is represented by a concentric binary relation ensuring that whenever 
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| a polygon is moved towards a new position, all polygons likewise concentric 
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| are moved along with them.
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