I've just squeezed or stretched the size of the pixels to hit whatever resolution I need, based on my desired output. I can modify the image to be 5 inches x 2.5 inches at 400 dpi resolutionĪll of the above changes still contain 2000 x 1000 pixels of information. I can modify the image to be 10 inches x 5 inches at 200 dpi resolution, or I can modify the image to be 20 inches x 10 inches at 100 dpi resolution, or This is usually a concern only when you need to print - as monitors can only display 72-96 ppi and are therefore not as demanding as print needs.įor example, lets say I rendered an image at 2000 x 1000 pixels. The thing to remember is that you can change the resolution at any time, depending on your desired output. To improve quality, repeat these steps until the image looks right to you. Image resolution is defined as x pixels per y dimension, like 72 ppi / pixels per inch (screen) or 300 dpi / dots per inch (print) The process needed to render scenes consists of four basic steps: Set up the environment and ground plane Add lighting Assign materials Render Although the steps do not have to be done in this order, using this method seems to make setting up a scene more efficient. Image size is defined as the absolute number of pixels, like 800 x 600 or 1920 x 1080 pixels. This question actually comes up regularly in my class, so there's another way to think about it that helps most people:
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