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Strict Standards: Declaration of Walker_PageDropdown::start_el() should be compatible with Walker::start_el($output) in /wp-includes/classes.php on line 560

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Raster jak z gazety » Photoshop - tutoriale
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Raster jak z gazety


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Pamiętacie czasy, kiedy zdjęcia w gazetach nie były najlepszej jakości? Dziś też sztucznie możemy uzyskać taki efekt przy użyciu jednego filtra.

gaz01.jpg

Otwieramy obraz, który chcemy zrastrować i jeśli jest kolorowy to przekształcamy go do odcieni szarości; Obrazek - Tryb - Skala szarości.

Następnie zwiększamy nieco kontrast zdjęcia. Teraz przechodzimy do menu Filtr - Pikslowanie - Rastrowanie kolorów i stosujemy wartości domyślne za wyjątkiem maks. promień, który ustawiamy na 4px.

rastr.jpg

W przypadku kiedy użycie filtra uczyni zdjęcie nieczytelnym należy cofnąć akcję i powiększyć zdjęcie np. o 200% (wartość optymalną trzeba dobrać eksperymentalnie). Po ponownym użyciu filtra (ustawienia bez zmian) trzeba przywrócić oryginalny rozmiar obrazka, a efekt powinien być bardziej zadowalający.

Teraz możemy stare gazety zilustrować na swój sposób, czego przykład można zobaczyć poniżej

gaz_fin.jpg