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              "key": "photoshop/how-to/in-app/increase-photo-contrast-with-black-and-white-points-step-2",
              "title": "Créer un calque de réglage de Courbes",
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                      "content": "Cliquez sur l’icône Créer un calque de réglage et choisissez Courbes. Cette opération ajoute un calque de réglage Courbes au-dessus du calque sélectionné.",
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                      "content": "Sous la grille Courbes se trouvent deux champs pour les valeurs Entrée et Sortie. Si vous ne voyez pas ces champs, placez votre curseur sur le bord inférieur du panneau Propriétés, puis faites-le glisser vers le bas pour les faire apparaître. Cliquez sur {NEXT} pour continuer.",
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                    "key": "photoshop/how-to/in-app/increase-photo-contrast-with-black-and-white-points-step-2-task-3",
                    "description": "Tip: If you cannot expand the Properties panel to see the Input/Output values, choose Window>Workspace>Reset Essentials. Then try resizing the panel.",
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                    "key": "photoshop/how-to/in-app/increase-photo-contrast-with-black-and-white-points-step-2-task-4",
                    "coachmark": {
                      "content": "Below the Curves grid there is a black arrow on the left and a white arrow on the right. These control the black point, the darkest pixels, and the white point, the brightest pixels, of the photo.   Click {NEXT} to continue.",
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              "description": "Vous pouvez utiliser les commandes de points noir et blanc pour ajouter du contraste en rendant les pixels sombres plus sombres et les pixels clairs plus clairs.",
              "key": "photoshop/how-to/in-app/increase-photo-contrast-with-black-and-white-points-step-3",
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                    "key": "photoshop/how-to/in-app/increase-photo-contrast-with-black-and-white-points-step-3-task-1",
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                      "content": "Maintenez la touche Option/Alt enfoncée et appuyez sur la flèche noire. L’image apparaîtra blanche, car il n’y a pas de pixels vraiment noirs dans cette image. Nous allons corriger cela à l’étape suivante. Cliquez sur {NEXT} pour continuer.",
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                    "coachmark": {
                      "content": "Maintenez la touche Option/Alt enfoncée et faites glisser la flèche noire vers la droite jusqu’à faire apparaître des couleurs dans cette zone. En faisant glisser la flèche noire vers la droite, vous assombrissez les pixels les plus sombres et définissez un nouveau point noir. Cliquez sur {NEXT} pour continuer.",
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                    "coachmark": {
                      "content": "Le champ d’entrée sous la flèche noire devrait afficher environ 41 et le champ de sortie restera à 0. Cliquez sur {NEXT} pour continuer.",
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                    "coachmark": {
                      "content": "Maintenez la touche Option/Alt enfoncée et appuyez sur la flèche blanche pour faire apparaître l’image en grande partie noire, les points les plus lumineux affichant une couleur. Remarquez que les zones de nuages sont noires. Corrigeons cela. Cliquez sur {NEXT} pour continuer.",
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                      "content": "Maintenez la touche Option/Alt enfoncée et faites glisser la flèche blanche vers la gauche jusqu’à ce que la valeur d’entrée soit d’environ 230 et que la sortie reste à 255. Cela rend les pixels clairs plus lumineux, et les nuages commenceront à apparaître en couleur. Cliquez sur {NEXT} pour continuer.",
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              "title": "Vous avez défini le point noir pour assombrir les pixels les plus sombres et le point blanc pour éclaircir les pixels les plus clairs, ce qui ajoute du contraste et fait ressortir l’image. Faites un essai avec l’une de vos propres images. ",
              "fallbackTitle": "Vous avez défini le point noir pour assombrir les pixels les plus sombres et le point blanc pour éclaircir les pixels les plus clairs, ce qui ajoute du contraste et fait ressortir l’image. Faites un essai avec l’une de vos propres images. ",
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