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#!N 
#!CDarkGreen #!N  #!Rall634 Example 
10. Faces, Loops, and Edges with a Hole #!N #!EC #!Cbrown 
#!N  #!F-adobe-times-medium-r-normal--18*    #!Rfledge112 #!N Graphics omitted from Online Documentation. Please see 
the manual. #!N #!N Figure 112. Example of Faces, Loops, and 
Edges with a Hole #!EF #!N #!EC #!N #!N The following 
data file is identical to the previous data file except that 
the third polygon has a square hole in it. The resulting 
connections are illustrated in  #!Lfledge112,dxall635 f Figure 112  #!EL  . #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!N 
# #!N # Example of faces, loops and edges components. The 
third face has a #!N # square hole in it. #!N 
# #!N # #!N # Positions array. These are a list 
of all the vertices of the object; #!N # no particular 
order is required here. #!N # #!N object "position list" class 
array type float rank 1 shape 2 items 15 #!N data 
follows #!EF #!N #!N #!EC #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!T,16,104,190 #!N 
TAB 0.133985 TAB 0.812452 TAB # point number 0 #!N TAB 
0.375019 TAB 0.896258 TAB # point number 1 #!N TAB 0.532733 
TAB 0.76484 TAB # point number 2 #!N TAB 0.523806 TAB 
0.404777 TAB # point number 3 #!N TAB 0.300626 TAB 0.327407 
TAB # point number 4 #!N TAB 0.145888 TAB 0.508927 TAB 
# point number 5 #!N TAB 0.68152 TAB 0.851137 TAB # 
point number 6 #!N TAB 0.815428 TAB 0.758889 TAB # point 
number 7 #!N TAB 0.94636 TAB 0.592248 TAB # point number 
8 #!N TAB 0.729132 TAB 0.416679 TAB # point number 9 
#!N TAB 0.535709 TAB 0.190524 TAB # point number 10 #!N 
TAB 0.600000 TAB 0.700000 TAB # point number 11 #!N TAB 
0.700000 TAB 0.700000 TAB # point number 12 #!N TAB 0.700000 
TAB 0.600000 TAB # point number 13 #!N TAB 0.600000 TAB 
0.600000 TAB # point number 14 #!EF #!N #!N #!EC #!CForestGreen 
#!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!N # #!N # Edges array. This is 
a list of connected points, by point number. All #!N # 
the edges associated with a particular face need to be listed 
together. #!N # If points 10, 3 and 7 make a 
triangle, the list is "10 3 7" and the 10 #!N 
# is not repeated. Following a polygon, the front of the 
polygon is #!N # determined by the right-hand rule. #!N object 
"edge list" class array type int rank 0 items 25 data 
follows #!EF #!N #!N #!EC #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!T,16,51,86,242 #!N 
TAB 1 TAB 2 TAB 6 TAB # edge point index 
0 #!T,16,51,86,121,156,190,242 #!N TAB 0 TAB 5 TAB 4 TAB 3 
TAB 2 TAB 1 TAB # edge point index 3 #!N 
TAB 2 TAB 3 TAB 9 TAB 8 TAB 7 TAB 
6 TAB # edge point index 9 #!T,16,51,86,121,242 #!N TAB 11 
TAB 12 TAB 13 TAB 14 TAB # edge point index 
15 (hole in third face) #!T,16,51,86,242 #!N TAB 3 TAB 10 
TAB 9 TAB # edge point index 19 #!N TAB 3 
TAB 4 TAB 10 TAB # edge point index 22 #!N 
attribute "ref" string "positions" #!EF #!N #!N #!EC #!CForestGreen #!N #!N 
 #!F-adobe-courier-bold-r-normal--18*   #!N # #!N # Loops array. This is a list 
of connected edges, by edge number. Each #!N # number is 
the edge index of where the next loop starts. #!N object 
"loop list" class array type int rank 0 items 6 data 
follows #!T,26,61 #!N TAB 0 TAB # loop index 0 #!N 
TAB 3 TAB # 1 #!N TAB 9 TAB # 2 
#!N TAB 15 TAB # 3 #!N TAB 19 TAB # 
4 #!N TAB 22 TAB # 5 #!N attribute "ref" string 
"edges" #!EF #!N #!N #!EC #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!N # 
#!N # Faces array. This is list of which loops make 
faces. If there are #!N # no holes in the faces, 
this is list of all loops. If two or more #!N 
# loops actually describe the outside edges and inside hole edges 
of #!N # a face, then this list contains the starting 
loop numbers of the #!N # list of loops making up 
a face. #!N # #!N object "face list" class array type 
int rank 0 items 5 data follows #!N 0 #!N 1 
#!N 2 #!N 4 #!N 5 #!N attribute "ref" string "loops" 
#!EF #!N #!N #!EC #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!N # #!N 
# data array. Dependent on faces. #!N # #!N object "data" 
class array type float rank 0 items 5 data follows #!T,16,51,86,121,156 
#!N TAB 0 TAB 2.5 TAB 1.2 TAB 0.4 TAB 1.8 
#!N attribute "dep" string "faces" #!EF #!N #!N #!EC #!CForestGreen #!N 
#!N  #!F-adobe-courier-bold-r-normal--18*   #!N # #!N # #!N # Field definition to 
put the arrays together. #!N # #!N object "map with hole" 
class field #!T,34,190 #!N TAB component "positions" TAB "position list" #!N 
TAB component "edges" TAB "edge list" #!N TAB component "loops" TAB 
"loop list" #!N TAB component "faces" TAB "face list" #!N TAB 
component "data" TAB "data" #!N end #!EF #!N #!N #!EC #!N 
#!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF #!N #!N  #!Lall635,dxall636 h Example 11. Three-dimensional Faces, Loops, and Edges  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   
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