A filter is a special kind of tool designed to take an input layer or
    image, apply a mathematical algorithm to it, and return the input layer or
    image in a modified format. GIMP
    uses filters to achieve a variety of effects and those effects are
    discussed here.
  
        
          The filters are divided into several categories:
          
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      قسمت 3, “Blur Filters”
    
               
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      قسمت 4, “Enhance Filters”
    
               
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      قسمت 5, “Distort Filters”
    
               
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      قسمت 6, “پالایه های نور و سایه”
    
               
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      قسمت 7, “پالایه های نوفه”
    
               
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      قسمت 8, “Edge-Detect Filters”
    
               
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      قسمت 9, “Generic Filters”
    
               
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      قسمت 10, “Combine Filters”
    
               
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      قسمت 11, “Artistic Filters”
    
               
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      قسمت 12, “Decor Filters”
    
               
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      قسمت 13, “پالایه های نقشه”
    
               
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      قسمت 14, “Rendering Filters”
    
               
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      قسمت 15, “Web Filters”
    
               
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      قسمت 16, “Animation Filters”