Online. Background Page Published on Sunday, July 20, 1997 by Gideon Ariel Background The Background settings influence how the background is displayed in the Image editor. Tool Description Pixel aspect ratio Digital video is made up of rectangular (non-square) pixels. The pixel aspect ratio is usually determined automatically and need not be changed by the user. Gamma The gamma value of a computer monitor affects how light or dark an image looks. See also 2DTwo-dimensional coordinate system3DThree-dimensional coordinate systemAngleDefinition of an angleAngle toolDraw angles in image editorAxisDefinition of Cartesian axisBackgroundSettings that influence the background in the image editorCartesian geometryWhat is Cartesian geometry?Coordinate systemDefinition of coordinatesCurveDefinition of a curveCurve toolDraw curves in image editorDelete toolDelete drawing objects from image editorDistanceDefinition of distanceDrawing and measuringDrawing and measuring objects on an imageDrawing object propertiesChange properties of a drawing objectEllipse toolDraw ellipses in image editorEuclidean geometryWhat is Euclidean geometry?GeometryDefinition of geometryGraphics objectsList of drawing objects in image editorImage editorEdit imagesImage editor windowEdit imagesImage toolPaint images in image editorLengthDefinition of lengthLineDefinition of a lineLine toolDraw lines in image editorOriginDefinition of origin in a Cartesian coordinate systemPerspective projectionDefinition of perspective projectionPlanar homographyDefinition of planar homographyPlaneDefinition of a planePointDefinition of a pointPoint (kinematics)Definition of a point (kinematics)Pointer toolSelect objects in image editorProjective geometryWhat is projective geometry?Rectangle toolDraw rectangles in image editorReference plane toolDefine reference plane in image editorSegment (kinematics)Definition of a segment (kinematics)Text toolAdd text in image editorVanishing pointsDefinition of vanishing points and vanishing lines in perspective projectionVectorDefinition of a vector Reference: /wizard/manual/gui/drawingbackground.html
