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To complete the drawing to a straight-line combinatorially isomorphic re-embedding of G, v should be placed in the polygon and joined by straight lines to the vertices of the polygon. By the art gallery theorem , there exists a point interior to P at which v can be placed so that the edges from v to the vertices of P do not cross any other ...
Line art or line drawing is any image that consists of distinct straight lines or curved lines placed against a background (usually plain). Two-dimensional or three-dimensional objects are often represented through shade (darkness) or hue . Line art can use lines of different colors, although line art is usually monochromatic.
linear or point-projection perspective works by putting an imagery flat plane that is close to an object under observation and directly facing an observer's eyes (i.e., the observer is on a line normal or perpendicular to the plane). Then draw straight lines from the object to the observer.
Box-drawing characters, also known as line-drawing characters, are a form of semigraphics widely used in text user interfaces to draw various geometric frames and boxes. These characters are characterized by being designed to be connected horizontally and/or vertically with adjacent characters, which requires proper alignment.
Google Drawings is a diagramming software included as part of the free, web-based Google Docs Editors suite offered by Google. The service also includes Google Docs, Google Sheets, Google Slides, Google Forms, Google Sites, and Google Keep. Google Drawings is available as a web application and as a desktop application on Google's ChromeOS.
Elements of art are stylistic features that are included within an art piece to help the artist communicate. [1] The seven most common elements include line, shape, texture, form, space, color and value, with the additions of mark making, and materiality.
Google Sheets is a spreadsheet application and part of the free, web-based Google Docs Editors suite offered by Google. Google Sheets is available as a web application; a mobile app for: Android, iOS, and as a desktop application on Google's ChromeOS. The app is compatible with Microsoft Excel file formats. [5]
[20] [21] According to the Merriam-Webster online dictionary the earliest known use of "smiley face" for "a line drawing of a smiling face" was in 1957. [1] In 1957 Jane McHenry wrote in a write-up in Family Weekly Magazine , Do-It-Yourself Carnival "Tape a paper plate to the mop head for a face, arranging string strands on each side for the hair.