PointArray(...)
Objects derived from the _PointArray abstract class, representing an array of points with determined positions in space
def PointArray
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returns: | An instance of an object derived from the _PointArray abstract class, representing an array of points with determined positions in space |
class PointPencil
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returns: | array of equidistant points on a line, or line segment between the lines p1 and p2 arguements is keywoes "seg" = True |
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class CirclingPencil
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returns: | array of points determined as the intersection of the given array of lines and the given line |
conditions: | line and line array are coplanar |
else returns: | None |
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class CirclePoints
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returns: | array of equidistant points on a given circle |
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class ArrayIntersect
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returns: | array of points determined as the intersection of the given arrays of lines |
conditions: | line arrays are coplanar |
else returns: | None |
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class Harmonics
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returns: | array of points harmoinc to the given array, with respect to the given point arguments |
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class GrowthMeasure
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returns: | an array of points of the line of the given points with any 2 successive points having a cross ratio equal to that of point3 and point4 with respect to point1 and point2 |
conditions: | points are coplanar; points are distinct |
else returns: | None; None |
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class Conic
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returns: | array of points on the conic determined by the 5 points |
conditions: | points are coplanar; points are distinct, no 3 points are collinear |
else returns: | None; None; undefined |
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class CorrelationPoints
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returns: | array of poles of the lines of the line array with respect to the given conic |
conditions: | line arrray and conic are coplanar |
else returns: | undefined |
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class PlanePoints
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returns: | array of points of intersection of the lines of the line_array with the given plane |
conditions: | line arrray anot on plane |
else returns: | undefined |
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