Line Drawing Algorithm In Computer Graphics With Example

Line Drawing Algorithm In Computer Graphics With Example : Bresenham s line algorithm wikipedia

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A gesture drawing is completed quickly – often in short timed durations, such as 20, 30, 60 or 90 seconds – using fast, expressive lines. Gesture drawings capture basic forms and proportions – the emotion and essence of a subject – without focusing on detail. Due to their rapid completion, they are a great way to record movement and action, as well as increase your drawing speed, confidence and intuitive mark-making skill. Gesture drawings are best completed with smooth, easily applied mediums (chunky graphite pencils, charcoal sticks, pastels, soft brushes dipped in Indian ink, for example), without the use of an eraser. They are often completed on large, inexpensive sheets of paper, where you can move your arm fluidly, be bold with mark-making, and not worry about mistakes. As with blind drawings, gesture drawing is an ideal warm-up activity.

Continuous Line Drawing Exercises: This drawing method is great for sketchbooks and drawing from life. It can be an excellent starter activity, with drawings completed on large, inexpensive paper that can be scanned / edited / cropped and used in other ways within your projects.

Most famous for his post-impressionist paintings, Vincent van Gogh also produced over a thousand drawings. In this pen and pencil line drawing, ‘Cottages With a Woman Working in the Foreground’, we see the stylistic swirling of line in the trees and clouds that is so characteristic of his well-known paintings. Capturing the swirling of the trees and the movement of the clouds, van Gogh represents the light falling across the textured landscape with quick, confident mark-making.

Gesture Drawing Exercises: When you begin investigating your subject matter in the initial phase of a high school Art programme, it can be helpful to make several first-hand gestural drawings. The best of these can be selected for your final portfolio (taking advantage of a photocopier or digital camera to reduce in size, if necessary). A small still life scene can be depicted just as easily as a large moving form.