Digital image activities

 ♣ 41.- Think you want to print out a photograph with a size of DIN A4: 210 × 297 mm

maintaining a printing quality of 200 dpi. Which resolution would the image need?

210 mm x 1 inch ➗ 254 mm = 0,82 inches

297 mm x 1 inch ➗ 254 mm = 1,16 inches

0,82 x 200 = 164 inches

1,16 x 200 = 232 inches

• Resolution: 164x232 inches

♣ 42.- Which resolution would the same picture need to have a 300 dpi picture?

210 mm x 1 inch ➗ 254 mm = 0,82 inches

297 mm x 1 inch ➗ 254 mm = 1,16 inches

0,82 x 300 = 246 inches

1,16 x 300 = 348 inches

• Resolution: 246x348 inches