[Therion] Denivelations..

[herich at speleodd.sk]

Hello,
I just noticed, how polygonal order in centerline (surface + cave  
polygons) can change the denivelation of the cave. Here are examples  
of the same data in different order. (Maybe I am doing something wrong?)
::

______
RIGHT DENIVELATION: (42 m lenght, 6 m den.)

centerline

date 2014.4.4
units tape cm


data normal from to compass clino tape right left up down
flags not surface
   p4   p5  33.6  -0.4 362   [0.3 0.1] [0.3 0.1] [0.9 3] [0.8 0.5]
    4    5 180.6  -0.3 270   [0.4 0.6] [0.4 1.3] [0 1.5] [0.4 0.7]
    5    6 140.3  -4.9 777     0.5  0.1  0.4  0.5
    6    7 224    11    43     0.1  0.1  0.1  0.1
    7    8 144.1   1.2 1011     0    0.4  0.3  0.3
    1    2 141.2 -23.1 765 [4 4.1] [2 1.7] [0.5 6] [1 0.4]
    2    3 157.4  -0.9 1015     1.4  1.2  0.2  0.3

    data normal from to compass clino tape
flags surface
   p7   p8 277.4 -39.3 1769
   p8   -  148 0 700
   p8   p9 172.6  14.5 2075
   p9   J1  65.5 -10.2 126
   2S   p1 172.6  21.4 2087
   p1   p2  34.7  31.8 1988
   p2   p3   8.9  11.1 841
   p3   J4  12.2 -29.8 388
   p3   p4 137.3  17.4 1635
   p6   p7 272.4 -22.6 521
   p7    1 167.2 -17.5 295
   p4   p6 188.7   1.1 3872
   p6    4 186.1  -7.5 208

endcenterline
______


WRONG DENIVELATION: (42 m lenght, 13 m den.)

centerline

date 2014.4.4
units tape cm

    data normal from to compass clino tape
flags surface
   p7   p8 277.4 -39.3 1769
   p8   -  148 0 700
   p8   p9 172.6  14.5 2075
   p9   J1  65.5 -10.2 126
   2S   p1 172.6  21.4 2087
   p1   p2  34.7  31.8 1988
   p2   p3   8.9  11.1 841
   p3   J4  12.2 -29.8 388
   p3   p4 137.3  17.4 1635
   p6   p7 272.4 -22.6 521
   p7    1 167.2 -17.5 295
   p4   p6 188.7   1.1 3872
   p6    4 186.1  -7.5 208


data normal from to compass clino tape right left up down
flags not surface
   p4   p5  33.6  -0.4 362   [0.3 0.1] [0.3 0.1] [0.9 3] [0.8 0.5]
    4    5 180.6  -0.3 270   [0.4 0.6] [0.4 1.3] [0 1.5] [0.4 0.7]
    5    6 140.3  -4.9 777     0.5  0.1  0.4  0.5
    6    7 224    11    43     0.1  0.1  0.1  0.1
    7    8 144.1   1.2 1011     0    0.4  0.3  0.3
    1    2 141.2 -23.1 765 [4 4.1] [2 1.7] [0.5 6] [1 0.4]
    2    3 157.4  -0.9 1015     1.4  1.2  0.2  0.3


endcenterline
_________

WRONG DENIVELATION: (42 m lenght, 25 m den.)

centerline

date 2014.4.4
units tape cm

data normal from to compass clino tape
flags surface
   2S   p1 172.6  21.4 2087
   p1   p2  34.7  31.8 1988
   p2   p3   8.9  11.1 841
   p3   J4  12.2 -29.8 388
   p3   p4 137.3  17.4 1635

data normal from to compass clino tape right left up down
flags not surface
   p4   p5  33.6  -0.4 362   [0.3 0.1] [0.3 0.1] [0.9 3] [0.8 0.5]

data normal from to compass clino tape
flags surface
   p4   p6 188.7   1.1 3872
   p6    4 186.1  -7.5 208

data normal from to compass clino tape right left up down
flags not surface
    4    5 180.6  -0.3 270   [0.4 0.6] [0.4 1.3] [0 1.5] [0.4 0.7]
    5    6 140.3  -4.9 777     0.5  0.1  0.4  0.5
    6    7 224    11    43     0.1  0.1  0.1  0.1
    7    8 144.1   1.2 1011     0    0.4  0.3  0.3

data normal from to compass clino tape
flags surface
   p6   p7 272.4 -22.6 521
   p7    1 167.2 -17.5 295

data normal from to compass clino tape right left up down
flags not surface
1 2 141.2 -23.1 765 [4 4.1] [2 1.7] [0.5 6] [1 0.4]
    2    3 157.4  -0.9 1015     1.4  1.2  0.2  0.3

data normal from to compass clino tape
flags surface
   p7   p8 277.4 -39.3 1769
   p8   -  148 0 700
   p8   p9 172.6  14.5 2075
   p9   J1  65.5 -10.2 126

endcenterline
________

Paľo Herich