Here is the image of the resulting surface:
Pic 1. surface obtained from other surface smoothing
This result was obtained with "examples/surfit/surfs/surface_add.tcl" script.
00001 # 00002 # This script was generated with funner v2.1beta (www.gridding.info) 00003 00004 # 00005 # load plugins 00006 # 00007 load libsurfit[info sharedlibextension] 00008 00009 # remove all previous data and gridding rules 00010 clear_data 00011 00012 # set name of surface 00013 set map_name "map_surface_add" 00014 00015 # set solver 00016 set_solver "cg" 00017 00018 # set tolerance for solver 00019 set tol 1e-005 00020 00021 ## 00022 ## load initial data 00023 ## 00024 00025 # load surface from surfit datafile 00026 surf_load "func.func" "test_func" 00027 00028 ## 00029 ## construct grid 00030 ## 00031 grid_get -10 10 0.2 -10 10 0.2 00032 00033 ## 00034 ## create gridding rules 00035 ## 00036 00037 # resulting surface should tend to be constant or plane 00038 completer 00039 00040 # add "resulting surface = surface values" with weight 00041 surface_add 0.01 "test_func" 00042 00043 ## 00044 ## run gridding algorithm 00045 ## 00046 surfit 00047 00048 ## 00049 ## save results 00050 ## 00051 00052 # unload grid from memory 00053 grid_unload 00054 00055 # save surface to surfit datafile 00056 surf_save "surface_add.dat" "map_surface_add"
surfit: open source gridding and contouring software.