definition 1


If O is a fixed point and a variable point P moves along a fixed curve C, surface generated by the straight line OP is a cone. The fixed point O is called the vertex, C a base curve and OP a generator of the surface.    


    ANALYTICAL GEOMENTRY-3D by SP.NANDHINI

    • Topic1

      Geometric tranformations are the trasformations used to alter or manipulate pictures in a graphics package.Changes in orientation,size … Read more »

    • Topic2

      There are three basic transformations from which any other transformation can be obtained.They change the orientation,size and shape… Read more »

    • Topic3

      Translation is a transformation that repositions and object along a straight line path from one coordinate location to another. … Read more »

    • Topic4

      Rotation of an object is repositioning it along a circular path in the xy plane.To rotate, we need to specify a rotation angle θ and the rotation point(xr,yr) about which the object is rotated. … Read more »

    • Topic5

      A Scaling transformation alters the size of an object.Scaling is carried out by applying scaling factors sx,sy for xand y direction … Read more »

    • Topic6

      Homogeneous coordinates are coordinates used to represent the cartesian coordinate (x,y) as three - element vector.We represent each cartesian … Read more »

    • Topic7

      For translation, the transformation equvations are written as … Read more »

    • Topic8

      Other transformations inculde Reflection and Shear. Reflections : Reflections are transformations that rotate an object 180" about a reflection axis. … Read more »