/* 12_MAR_97
 * Digitizer (v.digit.modified) with spline interpolation.
 * 
 * Work in progress, comments/bug reports 
 * welcomed and encouraged.
 *
 *
 * spline.c 'smooths' line by adding points 
 * at 1/4 and 3/4 on every interior line.
 * Not the most complex math, but it helps round
 * off 'sharp' points.
 *  
 *
 *
 * Eric Ohler USDA-NRCS
 * email: gomlra3!ohler@atlas.il.nrcs.usda.gov
 * (217) 492-4156
 */
