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#!F-adobe-helvetica-medium-r-normal--18*
#!N 
#!CSeaGreen #!N  #!Rpsvs Points and Vectors #!N 
#!EC Points are represented by the  #!F-adobe-times-bold-r-normal--18*   Point #!EF structure. Data 
Explorer provides a routine that constructs a point structure. Vectors are 
represented by the same structure as points, but for the sake 
of clarity they are defined as a separate type. #!CForestGreen #!N 
#!N  #!F-adobe-courier-bold-r-normal--18*   #!N typedef struct point { #!N float x, y, 
z; #!N } Point, Vector; #!N #!N typedef int PointId; #!EF 
#!N #!N #!EC #!N #!I0 #!N #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*    #!F-adobe-times-bold-r-normal--18*   
Point DXPt() #!EF #!N Point DXVec(); #!EF #!I50 #!N Construct a 
Point or a Vector with the given coordinates. See  #!Ldxptvc,dxall1337 h DXPt, DXVec  #!EL  . 
#!I0 #!N #!N #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF #!N 
#!N  #!Lltqtc,dxall1108 h Lines, Triangles, Quadrilaterals, Tetrahedra, and Cubes  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   #!N