Graphs have either points or curves grid display Grid lines may be added to a graph after the axis points have been defined. Three axis points define the scales in the two coordinateĭirections, and the location of the origin. graph Image having two coordinate directions. Therefore used by Engauge to perform point matching. This method is fast because it uses a highly In an image where a template (or sample) appears. Or a file fast correlation A preferred method of performing template matching, which is identifying various places Was invented to distinguish this process from other types of digitizing export Process of copying digitized information from Engauge Digitizer to other software By controllingĭiscretizing, unwanted parts of the original image can be removed engauge Process of converting an image file containing a graph or map into numbers. The colors and grays of the original image are lost. ![]() These numbers can beĮxported to spreadsheets and other math software discretize Process that converts each pixel of an original image into either the black foreground, or The specific type of digitizing performedīy Engauge Digitizer is the conversion of graph and map images into numbers. This is digitized by creating curve points along the line curve point Point that is added to a graph on top of either a curve or point in the original image digitize Process of converting non-digital data into numbers. The X, Y and R coordinates can be logarithmic corner The point at the junction of two line segments in a piecewise linear curve curve Continuous line in a graph or map. If the coordinates are polar, the two values are the radius R and coordinates Two values used in a graph to specify position. Share the same location because graph coordinates are therefore impossible to compute,Īnd should be widely separated so computed graph coordinates are most accurate. ![]() collocated Collocated points are close to each other or at the same location. The three axis points cannotīe collinear because graph coordinates are therefore impossible to compute. Three axis points are needed to define the scales in the two coordinate directions collinear Collinear points lie along a straight line. ![]() The two coordinate values must be definedįor each axis point. Axis point Point that is added to a graph to define the scale.
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