PyGeo: a dynamic geometry toolkit

linearrays

array of lines with a defined geometric relationship

f LineArray() ...

'factory function returns instance a class representing an array of lines with a defined geometic relationship

constructors:
LineArray (pointarray1,pointarray2 )
array of lines connecting the points of the 2 given point arrays
LineArray (planepencil1,planepencil2 )
array of lines of intersection of 2 given plane sheaves
LineArray (point,plane )
array of equidistant lines on given plane and through given point
LineArray ([point1,point2,point3],[point1a,point2a,point3a] )
array of lines connecting points of the projective correspondance defined by the 1st list of 3 points and the 2nd list of 3 points
LineArray (pointarray,point )
array of lines through the points of the point array and the given point
LineArray (conic,pointarray )
array of lines polar to the points of the given point array with respect to the given conic
LineArray (pointarray,line1,line2 )
array of lines transverse to the given lines through given array of points

See the source for more information.