File: BasicObject3d.mesa
Last edited by Bier on February 2, 1987 1:34:32 pm PST
Copyright © 1984 by Xerox Corporation. All rights reserved.
Contents: Defines a simple set of objects which can be display with ray casting, line drawing, or shaded planar-surface approximation
DIRECTORY
Imager, IO, ObjectCast, Rope, SV2d, SVBasicTypes, SVModelTypes, SVRayTypes, SVSceneTypes, SweepGeometry;
BasicObject3d: DEFINITIONS =
BEGIN
Assembly: TYPE = SVSceneTypes.Assembly;
BoundHedron: TYPE = SVBasicTypes.BoundHedron;
Camera: TYPE = SVModelTypes.Camera;
Classification: TYPE = SVRayTypes.Classification;
CoordSystem: TYPE = SVModelTypes.CoordSystem;
LinearMesh: TYPE = SweepGeometry.LinearMesh;
LightSourceList: TYPE = SVModelTypes.LightSourceList;
MasterObject: TYPE = SVSceneTypes.MasterObject;
Path: TYPE = SV2d.Path;
PlanarSurface: TYPE = SVSceneTypes.PlanarSurface;
PlanarSurfaceList: TYPE = SVSceneTypes.PlanarSurfaceList;
Point2d: TYPE = SV2d.Point2d;
Primitive: TYPE = SVRayTypes.Primitive;
Ray: TYPE = SVRayTypes.Ray;
RevoluteMesh: TYPE = SweepGeometry.RevoluteMesh;
BASIC SHAPES
SphereRec: TYPE = REF SphereRecObj;
SphereRecObj: TYPE = RECORD [
radius: REAL];
BlockRec: TYPE = REF BlockRecObj;
BlockRecObj: TYPE = RECORD [
x, y, z: REAL];
CylinderRec: TYPE = REF CylinderRecObj;
CylinderRecObj: TYPE = RECORD [
radius, height: REAL];
ConeRec: TYPE = REF ConeRecObj;
ConeRecObj: TYPE = RECORD [
radius, height: REAL];
TorusRec: TYPE = REF TorusRecObj;
TorusRecObj: TYPE = RECORD [
bigRadius: REAL,
sectionRadius: REAL];
LonelyAssemblyHasSon: ERROR; -- returned from *PrimitiveFromAssembly if assembly is not a primitive assembly
WrongTypeOfData: SIGNAL; -- signalled if the assembly given to *PrimitiveFromAssembly has an assembly.object which is not a MasterObject;
This module implements for each of the object classes: sphere, block, cone, cylinder, torus, linear sweep, and revolute sweep, all of the operations needed to implement that class. These operations include (but are not limited to):
TorusMakeMasterObject: PROC [name: Rope.ROPE, bigRadius: REAL, sectionRadius: REAL] RETURNS [mo: MasterObject];
LinSweepMakeMasterObject: PROC [name: Rope.ROPE, linMesh: LinearMesh] RETURNS [mo: MasterObject];
RevoSweepMakeMasterObject: PROC [name: Rope.ROPE, path: Path, long: NAT] RETURNS [mo: MasterObject];
SphereMakeMasterObject: PROC [name: Rope.ROPE] RETURNS [mo: MasterObject];
SphereGetBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
SphereRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
SpherePreprocess: PROC [prim: Primitive, camera: Camera];
SphereLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
SphereDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
SphereCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
SphereCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
SphereGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
SphereDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
SphereDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
SphereFileout: PROC [f: IO.STREAM, mo: MasterObject];
SphereFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
BlockMakeMasterObject: PROC [name: Rope.ROPE] RETURNS [mo: MasterObject];
BlockGetBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
BlockRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
BlockPreprocess: PROC [prim: Primitive, camera: Camera];
BlockLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
BlockDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
BlockCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
BlockCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
BlockGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
BlockDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
BlockDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
BlockFileout: PROC [f: IO.STREAM, mo: MasterObject];
BlockFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
CylinderMakeMasterObject: PROC [name: Rope.ROPE] RETURNS [mo: MasterObject];
CylinderBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
CylinderRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
CylinderPreprocess: PROC [prim: Primitive, camera: Camera];
CylinderLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
CylinderDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
CylinderCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
CylinderCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
CylinderGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
CylinderDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
CylinderDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
CylinderFileout: PROC [f: IO.STREAM, mo: MasterObject];
CylinderFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
ConeMakeMasterObject: PROC [name: Rope.ROPE] RETURNS [mo: MasterObject];
ConeBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
ConeRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
ConePreprocess: PROC [prim: Primitive, camera: Camera];
ConeLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
ConeDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
ConeCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
ConeCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
ConeGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
ConeDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
ConeDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
ConeFileout: PROC [f: IO.STREAM, mo: MasterObject];
ConeFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
TorusBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
TorusRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
TorusPreprocess: PROC [prim: Primitive, camera: Camera];
TorusLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
TorusDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
TorusCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
TorusCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
TorusGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
TorusDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
TorusDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
TorusFileout: PROC [f: IO.STREAM, mo: MasterObject];
TorusFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
LinSweepBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
LinSweepRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
LinSweepPreprocess: PROC [prim: Primitive, camera: Camera];
LinSweepLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
LinSweepDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
LinSweepCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
LinSweepCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
LinSweepGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
LinSweepDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
LinSweepDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
LinSweepFileout: PROC [f: IO.STREAM, mo: MasterObject];
LinSweepFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
RevoSweepBoundHedron: PROC [mo: MasterObject] RETURNS [hedron: BoundHedron];
RevoSweepRayCast: PROC [cameraPoint: Point2d, localRay: Ray, masterObject: REF ANY, prim: Primitive] RETURNS [class: Classification];
RevoSweepPreprocess: PROC [prim: Primitive, camera: Camera];
RevoSweepLineDraw: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
RevoSweepDrawNormals: PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem];
RevoSweepCountSurf: PROC [masterObject: MasterObject] RETURNS [len: NAT];
RevoSweepCountVert: PROC [masterObject: MasterObject] RETURNS [len: NAT];
RevoSweepGetSurf: PROC [assembly: Assembly, camera: CoordSystem] RETURNS [psl: PlanarSurfaceList];
RevoSweepDrawSurf: PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera];
RevoSweepDrawSubBoxes: PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem];
RevoSweepFileout: PROC [f: IO.STREAM, mo: MasterObject];
RevoSweepFilein: PROC [f: IO.STREAM, name: Rope.ROPE] RETURNS [mo: MasterObject];
END.