Bresenham Line Drawing Algorithm For All Quadrants

Bresenham Line Drawing Algorithm For All Quadrants : Bresenham s line drawing algorithm part a solved example

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This delicate cross contour drawing helps to communicate the bumpy surface of the shell. Note how the shell pieces that are furthest away from the viewer are thin and light, whereas those that are closest are darker and thicker. Note also how the direction of the contour lines relates to the shape of object that is drawn, with lines projecting outwards from the centre of the shell.

Line Techniques Worksheet: The worksheet below has been provided by the Student Art Guide for classroom use only and may be issued freely to students (credited to studentartguide.com), as well as shared via the social media buttons at the bottom of this page. It may not be published online or shared or distributed in any other way, as per our terms and conditions. The full size printable worksheet is available by clicking the PDF link below. This worksheet is suitable for middle school students, or senior students who have not had prior experience with line techniques.This worksheet introduces a range of line drawing techniques and encourages students to invent their own (such as using the first letter of their name). It allows students to practise using these techniques and to apply tone to a range of simple geometric objects.

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.

Planar Analysis Drawing Activity: This can be a great introductory drawing exercise, especially if you are moving towards Cubism or abstracting scenes into geometric form. Wire can be cut and bent into shapes with pliers to create three-dimensional ‘drawings’, often resulting in a work filled with flowing, curved lines. These wire sculptures can be attached to a two-dimensional frame or a flat surface, hung in the air, or be left free-standing, changing in appearance as a viewer moves around the room. Due to their flexible nature, wire sculptures often move slightly in the wind, adding an extra interactive element to the work.