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-- File: Voxel_DS.cdl
-- Created: Sun May 07 14:53:46 2008
-- Author: Vladislav ROMASHKO
-- <vladislav.romashko@opencascade.com>
---Copyright: Open CASCADE S.A.
class DS from Voxel
---Purpose: A base class for all voxel data structures.
is
Create
---Purpose: An empty constructor.
returns DS from Voxel;
Create(x : Real from Standard;
y : Real from Standard;
z : Real from Standard;
x_len : Real from Standard;
y_len : Real from Standard;
z_len : Real from Standard;
nb_x : Integer from Standard;
nb_y : Integer from Standard;
nb_z : Integer from Standard)
---Purpose: A constructor initializing the voxel model.
-- (x, y, z) - the start point of the box.
-- (x_len, y_len, z_len) - lengths in x, y and z directions along axes of a co-ordinate system.
-- (nb_x, nb_y, nb_z) - number of splits (voxels) along x, y and z directions.
returns DS from Voxel;
Init(me : in out;
x : Real from Standard;
y : Real from Standard;
z : Real from Standard;
x_len : Real from Standard;
y_len : Real from Standard;
z_len : Real from Standard;
nb_x : Integer from Standard;
nb_y : Integer from Standard;
nb_z : Integer from Standard)
---Purpose: Initialization of the voxel model.
-- (x, y, z) - the start point of the box.
-- (x_len, y_len, z_len) - lengths in x, y and z directions along axes of a co-ordinate system.
-- (nb_x, nb_y, nb_z) - number of splits (voxels) along x, y and z directions.
is virtual;
---Purpose: The methods below return initial data of the voxel model.
GetX (me) returns Real from Standard;
GetY (me) returns Real from Standard;
GetZ (me) returns Real from Standard;
GetXLen(me) returns Real from Standard;
GetYLen(me) returns Real from Standard;
GetZLen(me) returns Real from Standard;
GetNbX (me) returns Integer from Standard;
GetNbY (me) returns Integer from Standard;
GetNbZ (me) returns Integer from Standard;
GetCenter(me;
ix : Integer from Standard;
iy : Integer from Standard;
iz : Integer from Standard;
xc : out Real from Standard;
yc : out Real from Standard;
zc : out Real from Standard);
---Purpose: Returns the center point of a voxel with co-ordinates (ix, iy, iz).
GetVoxel(me;
x : Real from Standard;
y : Real from Standard;
z : Real from Standard;
ix : out Integer from Standard;
iy : out Integer from Standard;
iz : out Integer from Standard)
---Purpose: Finds a voxel corresponding to a 3D point.
-- Returns true if it is found.
returns Boolean from Standard;
GetVoxelX(me;
x : Real from Standard;
ix : out Integer from Standard)
---Purpose: Returns x-index of a voxel corresponding to x-coordinate.
returns Boolean from Standard;
GetVoxelY(me;
y : Real from Standard;
iy : out Integer from Standard)
---Purpose: Returns y-index of a voxel corresponding to y-coordinate.
returns Boolean from Standard;
GetVoxelZ(me;
z : Real from Standard;
iz : out Integer from Standard)
---Purpose: Returns z-index of a voxel corresponding to z-coordinate.
returns Boolean from Standard;
fields
-- Flag (1 or 0) attached to each voxel (BoolDS).
-- 4 bits attached to each voxel (ColorDS).
-- Etc.
myData : Address from Standard is protected;
-- Start point of the cube of voxels.
myX : Real from Standard is protected;
myY : Real from Standard is protected;
myZ : Real from Standard is protected;
-- Lengths of cube of voxels along X, Y and Z directions.
myXLen : Real from Standard is protected;
myYLen : Real from Standard is protected;
myZLen : Real from Standard is protected;
-- Number of voxels along X, Y and Z directions.
myNbX : Integer from Standard is protected;
myNbY : Integer from Standard is protected;
myNbZ : Integer from Standard is protected;
--- Optimization data.
myNbXY : Integer from Standard is protected;
myDX : Real from Standard is protected;
myDY : Real from Standard is protected;
myDZ : Real from Standard is protected;
myHalfDX : Real from Standard is protected;
myHalfDY : Real from Standard is protected;
myHalfDZ : Real from Standard is protected;
friends
-- Gives access to myData inorder to make reading/writing much faster.
class Writer from Voxel,
class Reader from Voxel
end DS;
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