normtocrest

algorithm

• calculates normal components in the points of the crestline
• calculates starting points for linear cuts along the crestline
• plots normal vectors to the crestline
• use crestline in order to calculate CREST
   

syntax

[CRESTN]=normtocrest(X,Y,CREST) 

 

example for input

[CRESTN]=normtocrest(X,Y,CREST) 

 

input arguments

Name	description
X,Y	vectors defining the rectangular domain
CREST	coordinates of crestline

output arguments

Name	description
[CRESTN]	four line matrix containing: xs,ys: starting points of normal vectors, nxs, nys: components of normal vectors
plot	crestline normals