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128 lines
4.4 KiB
Plaintext
Executable File
128 lines
4.4 KiB
Plaintext
Executable File
-- Created on: 1995-03-02
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-- Created by: Jean-Louis Frenkel
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-- Copyright (c) 1995-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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class RectangularGrid from Aspect
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inherits Grid from Aspect
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uses
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PlaneAngle, Length from Quantity
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raises
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NegativeValue,NullValue,NumericError from Standard
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is
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Create(aXStep, aYStep: Length from Quantity;
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anXOrigin: Length from Quantity = 0;
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anYOrigin: Length from Quantity = 0;
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aFirstAngle: PlaneAngle from Quantity = 0;
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aSecondAngle: PlaneAngle from Quantity = 0;
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aRotationAngle: PlaneAngle from Quantity = 0)
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returns mutable RectangularGrid from Aspect
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---Purpose: creates a new grid. By default this grid is not
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-- active.
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-- The first angle is given relatively to the horizontal.
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-- The second angle is given relatively to the vertical.
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raises NumericError from Standard;
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---Warning: raises NumericError from Standard if the two
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-- networks are parallel.
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---Category: grid definition methods
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SetXStep(me: mutable; aStep: Length from Quantity)
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---Purpose: defines the x step of the grid.
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raises NegativeValue,NullValue from Standard
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---Warning: raises an exception is the step is not strictly positive.
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is static;
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SetYStep(me: mutable; aStep: Length from Quantity)
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---Purpose: defines the y step of the grid.
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raises NegativeValue,NullValue from Standard
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---Warning: raises an exception is the step is not strictly positive.
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is static;
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SetAngle(me: mutable; anAngle1: PlaneAngle from Quantity;
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anAngle2: PlaneAngle from Quantity)
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---Purpose: defines the angle of the second network
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-- the fist angle is given relatively to the horizontal.
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-- the second angle is given relatively to the vertical.
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raises NumericError from Standard
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---Warning: raises NumericError from Standard if the two
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-- line networks are parallel.
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is static;
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SetGridValues(me: mutable; XOrigin, YOrigin: Length from Quantity;
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XStep, YStep: Length from Quantity;
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RotationAngle: PlaneAngle from Quantity)
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is static;
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---Category: Pick methods
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--
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Compute(me; X,Y: Length from Quantity; gridX, gridY : out Length from Quantity)
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---Purpose: returns the point of the grid the closest to the point X,Y
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is static;
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---Category: inquire methods
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XStep(me) returns Length from Quantity
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---Purpose: returns the x step of the grid.
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is static;
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YStep(me) returns Length from Quantity
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---Purpose: returns the x step of the grid.
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is static;
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FirstAngle(me) returns PlaneAngle from Quantity
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---Purpose: returns the x Angle of the grid, relatively to the horizontal.
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is static;
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SecondAngle(me) returns PlaneAngle from Quantity
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---Purpose: returns the y Angle of the grid, relatively to the vertical.
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is static;
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---Category: private methods.
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Init(me: mutable)
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is redefined static;
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CheckAngle(me;alpha,beta: PlaneAngle from Quantity)
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returns Boolean from Standard
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is static private;
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fields
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myXStep: Length from Quantity;
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myYStep: Length from Quantity;
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myFirstAngle: PlaneAngle from Quantity;
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mySecondAngle: PlaneAngle from Quantity;
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a1,b1,c1: Real from Standard;
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a2,b2,c2: Real from Standard;
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end RectangularGrid from Aspect;
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