DEM generation by contour line dilation
Por:
Taud H., Parrot J.-F., Alvarez R.
Publicada:
1 ene 1999
Resumen:
A method is developed to generate digital elevation models by means of the dilation of contour lines stored in a raster grid. An iterative procedure produces an extension of contour lines by applying alternative four-connected and eight-connected erosions of the background until the produced surfaces become contiguous. The limits between these surfaces correspond to a new family of intermediate contour lines that are added to the raster grid. This procedure stops when no new contour lines can be generated. C subroutines are given. The algorithm is simple to apply and has a low computational cost.
Filiaciones:
Taud H.:
Inst. Geogr. UNAM Circuito Exterior, Cd. Univ., Apto. P. 20-850, 01000, Mexico D.F., Mexico
Parrot J.-F.:
Lab. Geol. Geomorphologie Struct. T., UPMC Paris VI, 4 Pl. J., Paris, France
Alvarez R.:
Inst. Geogr. UNAM Circuito Exterior, Cd. Univ., Apto. P. 20-850, 01000, Mexico D.F., Mexico
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