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6e33d3ced2
Redundant keyword 'mutable' removed in CDL files. In IGESConvGeom_GeomBuilder, unused methods MakeXY() and MakeXYZ() removed. Method StepAP214_AutoDesignGroupAssignment::Init() replicating same method of the base class is removed as it causes CDL extraction error after above (seemingly irrelevant) changes.
189 lines
7.2 KiB
Plaintext
189 lines
7.2 KiB
Plaintext
-- Created on: 1993-02-03
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-- Created by: CKY / Contract Toubro-Larsen ( Niraj RANGWALA )
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-- Copyright (c) 1993-1999 Matra Datavision
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-- Copyright (c) 1999-2014 OPEN CASCADE SAS
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--
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-- This file is part of Open CASCADE Technology software library.
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--
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-- This library is free software; you can redistribute it and/or modify it under
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-- the terms of the GNU Lesser General Public License version 2.1 as published
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-- by the Free Software Foundation, with special exception defined in the file
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-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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-- distribution for complete text of the license and disclaimer of any warranty.
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--
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-- Alternatively, this file may be used under the terms of Open CASCADE
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-- commercial license or contractual agreement.
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class PerspectiveView from IGESDraw inherits ViewKindEntity
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---Purpose: defines IGESPerspectiveView, Type <410> Form <1>
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-- in package IGESDraw
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--
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-- Supports a perspective view.
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-- Any geometric projection is defined by a view plane
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-- and the projectors that pass through the view plane.
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-- Projectors can be visualized as rays of light that
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-- form an image by passing through the viewed object
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-- and striking the view plane.
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-- The projectors are defined via a point called the
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-- Centre-of-Projection or the eye-point.
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-- A perspective view is formed by all projectors that
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-- emanate from the Centre-of-Projection and pass
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-- through the view plane.
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uses
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TransfEntity from IGESData,
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Vec from gp,
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XY from gp,
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XYZ from gp,
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Pnt2d from gp,
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Pnt from gp
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raises OutOfRange
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is
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Create returns PerspectiveView;
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-- Specific Methods pertaining to the class
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Init (me : mutable;
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aViewNumber : Integer;
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aScaleFactor : Real;
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aViewNormalVector : XYZ;
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aViewReferencePoint : XYZ;
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aCenterOfProjection : XYZ;
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aViewUpVector : XYZ;
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aViewPlaneDistance : Real;
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aTopLeft : XY;
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aBottomRight : XY;
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aDepthClip : Integer;
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aBackPlaneDistance : Real;
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aFrontPlaneDistance : Real);
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---Purpose : This method is used to set the fields of the class
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-- PerspectiveView
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-- - aViewNumber : The desired view
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-- - aScaleFactor : Scale factor
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-- - aViewNormalVector : View plane normal vector (model space)
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-- - aViewReferencePoint : View reference point (model space)
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-- - aCenterOfProjection : Center Of Projection (model space)
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-- - aViewUpVector : View up vector (model space)
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-- - aViewPlaneDistance : View plane distance (model space)
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-- - aTopLeft : Top-left point of clipping window
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-- - aBottomRight : Bottom-right point of clipping window
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-- - aDepthClip : Depth clipping indicator
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-- - aBackPlaneDistance : Distance of back clipping plane
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-- - aFrontPlaneDistance : Distance of front clipping plane
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IsSingle (me) returns Boolean;
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---Purpose : Returns True (for a single view)
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NbViews (me) returns Integer;
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---Purpose : Returns 1 (single view)
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ViewItem (me; num : Integer) returns ViewKindEntity raises OutOfRange;
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---Purpose : For a single view, returns <me> whatever <num>
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ViewNumber (me) returns Integer;
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---Purpose : returns the view number associated with <me>
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ScaleFactor (me) returns Real;
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---Purpose : returns the scale factor associated with <me>
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ViewNormalVector (me) returns Vec;
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---Purpose : returns the View plane normal vector (model space)
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ViewReferencePoint (me) returns Pnt;
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---Purpose : returns the View reference point (model space)
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CenterOfProjection (me) returns Pnt;
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---Purpose : returns the Center Of Projection (model space)
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ViewUpVector (me) returns Vec;
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---Purpose : returns the View up vector (model space)
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ViewPlaneDistance (me) returns Real;
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---Purpose : returns the View plane distance (model space)
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TopLeft (me) returns Pnt2d;
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---Purpose : returns the top left point of the clipping window
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BottomRight (me) returns Pnt2d;
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---Purpose : returns the bottom right point of the clipping window
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DepthClip (me) returns Integer;
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---Purpose : returns the Depth clipping indicator
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-- 0 = No depth clipping
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-- 1 = Back clipping plane ON
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-- 2 = Front clipping plane ON
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-- 3 = Back and front clipping planes ON
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BackPlaneDistance (me) returns Real;
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---Purpose : returns the View coordinate denoting the location of
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-- the back clipping plane
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FrontPlaneDistance (me) returns Real;
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---Purpose : returns the View coordinate denoting the location of
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-- the front clipping plane
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ViewMatrix (me) returns TransfEntity;
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---Purpose : returns the Transformation Matrix
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ModelToView (me; coords : XYZ) returns XYZ;
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---Purpose : returns XYX from the Model space to the View space by
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-- applying the View Matrix
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fields
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--
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-- Class : IGESDraw_PerspectiveView
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--
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-- Purpose : Declaration of the variables specific to a
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-- PerspectiveView Entity.
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--
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-- Reminder : A PerspectiveView Entity is defined by :
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-- - The desired view
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-- - Scale factor
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-- - View plane normal vector (model space)
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-- - View reference point (model space)
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-- - Center Of Projection (model space)
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-- - View up vector (model space)
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-- - View plane distance (model space)
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-- - Top-left point of clipping window
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-- - Bottom-right point of clipping window
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-- - Depth clipping indicator
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-- 0 = No depth clipping
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-- 1 = Back clipping plane ON
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-- 2 = Front clipping plane ON
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-- 3 = Back and front clipping planes ON
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-- - Distance of back clipping plane
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-- - Distance of front clipping plane
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--
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theViewNumber : Integer;
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theScaleFactor : Real;
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theViewNormalVector : XYZ;
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theViewReferencePoint : XYZ;
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theCenterOfProjection : XYZ;
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theViewUpVector : XYZ;
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theViewPlaneDistance : Real;
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theTopLeft : XY;
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theBottomRight : XY;
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theDepthClip : Integer;
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theBackPlaneDistance : Real;
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theFrontPlaneDistance : Real;
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end PerspectiveView;
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