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import * as Inputs from "../../api/inputs/inputs";
import { Base } from "../../api/inputs/base-inputs";
import { OCCReferencedReturns } from "../../occ-referenced-returns";
import { ShapeGettersService } from "./shape-getters";
import { EntitiesService } from "./entities.service";
import { EnumService } from "./enum.service";
import { WiresService } from "./wires.service";
import { BooleansService } from "./booleans.service";
import { ConverterService } from "./converter.service";
export class FacesService {
constructor(
private readonly occ: OpenCascadeInstance,
private readonly occRefReturns: OCCReferencedReturns,
private readonly entitiesService: EntitiesService,
private readonly enumService: EnumService,
private readonly shapeGettersService: ShapeGettersService,
private readonly converterService: ConverterService,
private readonly booleansService: BooleansService,
private readonly wiresService: WiresService,
) { }
createFaceFromWire(inputs: Inputs.OCCT.FaceFromWireDto<TopoDS_Wire>): TopoDS_Face {
let result: TopoDS_Face;
if (this.enumService.getShapeTypeEnum(inputs.shape) !== Inputs.OCCT.shapeTypeEnum.wire) {
throw new Error("Provided input shape is not a wire");
}
if (inputs.planar) {
const wire = this.occ.TopoDS.Wire_1(inputs.shape);
result = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, inputs.planar);
wire.delete();
} else {
const Degree = 3;
const NbPtsOnCur = 15;
const NbIter = 2;
const Anisotropie = false;
const Tol2d = 0.00001;
const Tol3d = 0.0001;
const TolAng = 0.01;
const TolCurv = 0.1;
const MaxDeg = 8;
const MaxSegments = 9;
const bs = new this.occ.BRepFill_Filling(Degree, NbPtsOnCur, NbIter, Anisotropie, Tol2d, Tol3d, TolAng, TolCurv, MaxDeg, MaxSegments);
const edges = this.shapeGettersService.getEdges(inputs);
edges.forEach(e => {
bs.Add_1(e, this.occ.GeomAbs_Shape.GeomAbs_C0 as GeomAbs_Shape, true);
});
bs.Build();
Iif (!bs.IsDone()) {
throw new Error("Could not create non planar face");
}
result = bs.Face();
bs.delete();
edges.forEach(e => e.delete());
}
return result;
}
getFaceArea(inputs: Inputs.OCCT.ShapeDto<TopoDS_Face>): number {
const gprops = new this.occ.GProp_GProps_1();
this.occ.BRepGProp.SurfaceProperties_1(inputs.shape, gprops, false, false);
const area = gprops.Mass();
gprops.delete();
return area;
}
getFacesAreas(inputs: Inputs.OCCT.ShapesDto<TopoDS_Face>): number[] {
Iif (inputs.shapes === undefined) {
throw (Error(("Shapes are not defined")));
}
return inputs.shapes.map(face => this.getFaceArea({ shape: face }));
}
getFaceCenterOfMass(inputs: Inputs.OCCT.ShapeDto<TopoDS_Face>): Base.Point3 {
const gprops = new this.occ.GProp_GProps_1();
this.occ.BRepGProp.SurfaceProperties_1(inputs.shape, gprops, false, false);
const gppnt = gprops.CentreOfMass();
const pt: Base.Point3 = [gppnt.X(), gppnt.Y(), gppnt.Z()];
gprops.delete();
gppnt.delete();
return pt;
}
getFacesCentersOfMass(inputs: Inputs.OCCT.ShapesDto<TopoDS_Face>): Base.Point3[] {
Iif (inputs.shapes === undefined) {
throw (Error(("Shapes are not defined")));
}
return inputs.shapes.map(face => this.getFaceCenterOfMass({ shape: face }));
}
filterFacePoints(inputs: Inputs.OCCT.FilterFacePointsDto<TopoDS_Face>): Base.Point3[] {
const points = [];
if (inputs.points.length > 0) {
const classifier = new this.occ.BRepClass_FaceClassifier_1();
inputs.points.forEach(pt => {
const gpPnt = this.entitiesService.gpPnt(pt);
classifier.Perform_2(inputs.shape, gpPnt, inputs.tolerance, inputs.useBndBox, inputs.gapTolerance);
const top = classifier.State();
const type = this.enumService.getTopAbsStateEnum(top);
if (inputs.keepOn && type === Inputs.OCCT.topAbsStateEnum.on) {
points.push(pt);
}
if (inputs.keepIn && type === Inputs.OCCT.topAbsStateEnum.in) {
points.push(pt);
}
if (inputs.keepOut && type === Inputs.OCCT.topAbsStateEnum.out) {
points.push(pt);
}
Iif (inputs.keepUnknown && type === Inputs.OCCT.topAbsStateEnum.unknown) {
points.push(pt);
}
gpPnt.delete();
});
classifier.delete();
return points;
} else {
return [];
}
}
createSquareFace(inputs: Inputs.OCCT.SquareDto): TopoDS_Face {
const squareWire = this.wiresService.createSquareWire(inputs);
const faceMakerFromWire = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(squareWire, true);
squareWire.delete();
return faceMakerFromWire;
}
createRectangleFace(inputs: Inputs.OCCT.RectangleDto): TopoDS_Face {
const rectangleWire = this.wiresService.createRectangleWire(inputs);
const faceMakerFromWire = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(rectangleWire, true);
rectangleWire.delete();
return faceMakerFromWire;
}
createFaceFromMultipleCircleTanWires(inputs: Inputs.OCCT.FaceFromMultipleCircleTanWiresDto<TopoDS_Wire>): TopoDS_Shape {
const circleWires = inputs.circles;
const faces: TopoDS_Face[] = [];
if (inputs.combination === Inputs.OCCT.combinationCirclesForFaceEnum.allWithAll) {
for (let i = 0; i < circleWires.length; i++) {
for (let j = i + 1; j < circleWires.length; j++) {
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1: circleWires[i],
circle2: circleWires[j],
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
}
} else if (inputs.combination === Inputs.OCCT.combinationCirclesForFaceEnum.inOrder) {
for (let i = 0; i < circleWires.length - 1; i++) {
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1: circleWires[i],
circle2: circleWires[i + 1],
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
} else Eif (inputs.combination === Inputs.OCCT.combinationCirclesForFaceEnum.inOrderClosed) {
for (let i = 0; i < circleWires.length; i++) {
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1: circleWires[i],
circle2: circleWires[(i + 1) % circleWires.length],
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
}
let result;
if (inputs.unify) {
result = this.booleansService.union({ shapes: faces, keepEdges: false });
} else {
result = this.converterService.makeCompound({ shapes: faces });
}
return result;
}
createFaceFromMultipleCircleTanWireCollections(inputs: Inputs.OCCT.FaceFromMultipleCircleTanWireCollectionsDto<TopoDS_Wire>): TopoDS_Shape {
const listsOfCircles = inputs.listsOfCircles;
const faces: TopoDS_Face[] = [];
if (inputs.combination === Inputs.OCCT.combinationCirclesForFaceEnum.allWithAll) {
for (let i = 0; i < listsOfCircles.length; i++) {
// lists of circles is a 2D array of circular wires
const currentCirclesList = listsOfCircles[i];
const nextCirclesList = listsOfCircles[(i + 1)];
if (nextCirclesList) {
for (let j = 0; j < currentCirclesList.length; j++) {
for (let k = 0; k < nextCirclesList.length; k++) {
const circle1 = currentCirclesList[j];
const circle2 = nextCirclesList[k];
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1,
circle2,
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
}
} else {
break;
}
}
} else if (inputs.combination === Inputs.OCCT.combinationCirclesForFaceEnum.inOrder) {
for (let i = 0; i < listsOfCircles.length; i++) {
if (listsOfCircles[i].length !== listsOfCircles[0].length) {
throw new Error("All lists of circles must have the same length in order to use inOrder strategy.");
}
}
for (let i = 0; i < listsOfCircles.length - 1; i++) {
for (let j = 0; j < listsOfCircles[i].length; j++) {
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1: listsOfCircles[i][j],
circle2: listsOfCircles[i + 1][j],
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
}
} else Eif (inputs.combination === Inputs.OCCT.combinationCirclesForFaceEnum.inOrderClosed) {
// check if all lists are of the same length
for (let i = 0; i < listsOfCircles.length; i++) {
if (listsOfCircles[i].length !== listsOfCircles[0].length) {
throw new Error("All lists of circles must have the same length in order to use inOrderClosed strategy.");
}
}
for (let i = 0; i < listsOfCircles.length - 1; i++) {
for (let j = 0; j < listsOfCircles[i].length; j++) {
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1: listsOfCircles[i][j],
circle2: listsOfCircles[i + 1][j],
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
}
for (let i = 0; i < listsOfCircles.length; i++) {
for (let j = 0; j < listsOfCircles[i].length; j++) {
const wire = this.wiresService.createWireFromTwoCirclesTan({
circle1: listsOfCircles[i][j],
circle2: listsOfCircles[i][(j + 1) % listsOfCircles[i].length],
keepLines: Inputs.OCCT.twoSidesStrictEnum.outside,
circleRemainders: Inputs.OCCT.fourSidesStrictEnum.outside,
tolerance: inputs.tolerance,
});
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, true);
faces.push(face);
}
}
}
let result;
if (inputs.unify) {
result = this.booleansService.union({ shapes: faces, keepEdges: false });
} else {
result = this.converterService.makeCompound({ shapes: faces });
}
return result;
}
faceNormalOnUV(inputs: Inputs.OCCT.DataOnUVDto<TopoDS_Face>): Base.Vector3 {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const u = uMin + (uMax - uMin) * inputs.paramU;
const v = vMin + (vMax - vMin) * inputs.paramV;
const gpDir = this.entitiesService.gpDir([0, 1, 0]);
this.occ.GeomLib.NormEstim(handle, this.entitiesService.gpPnt2d([u, v]), 1e-7, gpDir);
Iif (face.Orientation_1() === this.occ.TopAbs_Orientation.TopAbs_REVERSED) {
gpDir.Reverse();
}
const dir: Base.Vector3 = [gpDir.X(), gpDir.Y(), gpDir.Z()];
gpDir.delete();
handle.delete();
return dir;
}
getUVBounds(face: TopoDS_Face): { uMin: number, uMax: number, vMin: number, vMax: number } {
const uMin = { current: 0 };
const uMax = { current: 0 };
const vMin = { current: 0 };
const vMax = { current: 0 };
this.occRefReturns.BRepTools_UVBounds_1(face, uMin, uMax, vMin, vMax);
return { uMin: uMin.current, uMax: uMax.current, vMin: vMin.current, vMax: vMax.current };
}
createFaceFromWires(inputs: Inputs.OCCT.FacesFromWiresDto<TopoDS_Wire>): TopoDS_Face {
const result = this.entitiesService.bRepBuilderAPIMakeFaceFromWires(inputs.shapes, inputs.planar);
return result;
}
createFacesFromWires(inputs: Inputs.OCCT.FacesFromWiresDto<TopoDS_Wire>): TopoDS_Face[] {
const result = inputs.shapes.map(shape => {
return this.createFaceFromWire({ shape, planar: inputs.planar });
});
return result;
}
faceFromSurface(inputs: Inputs.OCCT.ShapeWithToleranceDto<Geom_Surface>) {
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromSurface(inputs.shape, inputs.tolerance) as TopoDS_Face;
Iif (face.IsNull()) {
face.delete();
throw new Error("Could not construct a face from the surface. Check if surface is not infinite.");
} else {
return face;
}
}
faceFromSurfaceAndWire(inputs: Inputs.OCCT.FaceFromSurfaceAndWireDto<Geom_Surface, TopoDS_Wire>) {
const face = this.entitiesService.bRepBuilderAPIMakeFaceFromSurfaceAndWire(inputs.surface, inputs.wire, inputs.inside) as TopoDS_Face;
Iif (face.IsNull()) {
face.delete();
throw new Error("Could not construct a face from the surface. Check if surface is not infinite.");
} else {
return face;
}
}
getUMinBound(inputs: Inputs.OCCT.ShapeDto<TopoDS_Face>): number {
const face = inputs.shape;
const { uMin } = this.getUVBounds(face);
return uMin;
}
getUMaxBound(inputs: Inputs.OCCT.ShapeDto<TopoDS_Face>): number {
const face = inputs.shape;
const { uMax } = this.getUVBounds(face);
return uMax;
}
getVMinBound(inputs: Inputs.OCCT.ShapeDto<TopoDS_Face>): number {
const face = inputs.shape;
const { vMin } = this.getUVBounds(face);
return vMin;
}
getVMaxBound(inputs: Inputs.OCCT.ShapeDto<TopoDS_Face>): number {
const face = inputs.shape;
const { vMax } = this.getUVBounds(face);
return vMax;
}
subdivideToPointsControlled(inputs: Inputs.OCCT.FaceSubdivisionControlledDto<TopoDS_Face>): Base.Point3[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const surface = handle.get();
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const points: Base.Point3[] = [];
for (let i = 0; i < inputs.nrDivisionsU; i++) {
const stepU = (uMax - uMin) / (inputs.nrDivisionsU - 1);
const halfStepU = stepU / 2;
const stepsU = stepU * i;
for (let j = 0; j < inputs.nrDivisionsV; j++) {
const stepV = (vMax - vMin) / (inputs.nrDivisionsV - 1);
const halfStepV = stepV / 2;
const stepsV = stepV * j;
let v = vMin + stepsV;
v += (inputs.shiftHalfStepNthV && (i + inputs.shiftHalfStepVOffsetN) % inputs.shiftHalfStepNthV === 0) ? halfStepV : 0;
let u = uMin + stepsU;
u += (inputs.shiftHalfStepNthU && (j + inputs.shiftHalfStepUOffsetN) % inputs.shiftHalfStepNthU === 0) ? halfStepU : 0;
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
surface.D0(u, v, gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
let shouldPush = true;
if (i === 0 && inputs.removeStartEdgeNthU && (j + inputs.removeStartEdgeUOffsetN) % inputs.removeStartEdgeNthU === 0) {
shouldPush = false;
} else if (i === inputs.nrDivisionsU - 1 && inputs.removeEndEdgeNthU && (j + inputs.removeEndEdgeUOffsetN) % inputs.removeEndEdgeNthU === 0) {
shouldPush = false;
} else if (j === 0 && inputs.removeStartEdgeNthV && (i + inputs.removeStartEdgeVOffsetN) % inputs.removeStartEdgeNthV === 0) {
shouldPush = false;
} else if (j === inputs.nrDivisionsV - 1 && inputs.removeEndEdgeNthV && (i + inputs.removeEndEdgeVOffsetN) % inputs.removeEndEdgeNthV === 0) {
shouldPush = false;
}
if (shouldPush) {
points.push(pt);
}
gpPnt.delete();
}
}
handle.delete();
return points;
}
subdivideToPoints(inputs: Inputs.OCCT.FaceSubdivisionDto<TopoDS_Face>): Base.Point3[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const surface = handle.get();
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const points: Base.Point3[] = [];
const uStartRemoval = inputs.removeStartEdgeU ? 1 : 0;
const uEndRemoval = inputs.removeEndEdgeU ? 1 : 0;
const vStartRemoval = inputs.removeStartEdgeV ? 1 : 0;
const vEndRemoval = inputs.removeEndEdgeV ? 1 : 0;
for (let i = 0 + uStartRemoval; i < inputs.nrDivisionsU - uEndRemoval; i++) {
const stepU = (uMax - uMin) / (inputs.nrDivisionsU - 1);
const halfStepU = stepU / 2;
const stepsU = stepU * i;
const u = uMin + (inputs.shiftHalfStepU ? halfStepU : 0) + stepsU;
for (let j = 0 + vStartRemoval; j < inputs.nrDivisionsV - vEndRemoval; j++) {
const stepV = (vMax - vMin) / (inputs.nrDivisionsV - 1);
const halfStepV = stepV / 2;
const stepsV = stepV * j;
const v = vMin + (inputs.shiftHalfStepV ? halfStepV : 0) + stepsV;
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
surface.D0(u, v, gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
points.push(pt);
gpPnt.delete();
}
}
handle.delete();
return points;
}
subdivideToNormals(inputs: Inputs.OCCT.FaceSubdivisionDto<TopoDS_Face>): Base.Point3[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const points: Base.Point3[] = [];
const uStartRemoval = inputs.removeStartEdgeU ? 1 : 0;
const uEndRemoval = inputs.removeEndEdgeU ? 1 : 0;
const vStartRemoval = inputs.removeStartEdgeV ? 1 : 0;
const vEndRemoval = inputs.removeEndEdgeV ? 1 : 0;
for (let i = 0 + uStartRemoval; i < inputs.nrDivisionsU - uEndRemoval; i++) {
const stepU = (uMax - uMin) / (inputs.nrDivisionsU - 1);
const halfStepU = stepU / 2;
const stepsU = stepU * i;
const u = uMin + (inputs.shiftHalfStepU ? halfStepU : 0) + stepsU;
for (let j = 0 + vStartRemoval; j < inputs.nrDivisionsV - vEndRemoval; j++) {
const stepV = (vMax - vMin) / (inputs.nrDivisionsV - 1);
const halfStepV = stepV / 2;
const stepsV = stepV * j;
const v = vMin + (inputs.shiftHalfStepV ? halfStepV : 0) + stepsV;
const gpDir = this.entitiesService.gpDir([0, 1, 0]);
const gpUv = this.entitiesService.gpPnt2d([u, v]);
this.occ.GeomLib.NormEstim(handle, gpUv, 1e-7, gpDir);
// Sometimes face gets reversed and its original surface is not reversed, thus we need to adjust for such situation.
Iif (face.Orientation_1() === this.occ.TopAbs_Orientation.TopAbs_REVERSED) {
gpDir.Reverse();
}
const pt: Base.Point3 = [gpDir.X(), gpDir.Y(), gpDir.Z()];
points.push(pt);
gpDir.delete();
gpUv.delete();
}
}
handle.delete();
return points;
}
subdivideToPointsOnParam(inputs: Inputs.OCCT.FaceLinearSubdivisionDto<TopoDS_Face>): Base.Point3[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const surface = handle.get();
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const points: Base.Point3[] = [];
const removeStart = inputs.removeStartPoint ? 1 : 0;
const removeEnd = inputs.removeEndPoint ? 1 : 0;
let param = inputs.param;
if (inputs.isU) {
param = uMin + (uMax - uMin) * param;
} else {
param = vMin + (vMax - vMin) * param;
}
for (let j = 0 + removeStart; j < inputs.nrPoints - removeEnd; j++) {
let p;
if (inputs.isU) {
const stepV = (vMax - vMin) / (inputs.nrPoints - 1);
const halfStepV = stepV / 2;
const stepsV = stepV * j;
p = vMin + (inputs.shiftHalfStep ? halfStepV : 0) + stepsV;
} else {
const stepU = (uMax - uMin) / (inputs.nrPoints - 1);
const halfStepU = stepU / 2;
const stepsU = stepU * j;
p = uMin + (inputs.shiftHalfStep ? halfStepU : 0) + stepsU;
}
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
if (inputs.isU) {
surface.D0(param, p, gpPnt);
} else {
surface.D0(p, param, gpPnt);
}
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
points.push(pt);
gpPnt.delete();
}
handle.delete();
return points;
}
subdivideToUVOnParam(inputs: Inputs.OCCT.FaceLinearSubdivisionDto<TopoDS_Face>): Base.Point2[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const uvs: Base.Point2[] = [];
const removeStart = inputs.removeStartPoint ? 1 : 0;
const removeEnd = inputs.removeEndPoint ? 1 : 0;
let param = inputs.param;
if (inputs.isU) {
param = uMin + (uMax - uMin) * param;
} else {
param = vMin + (vMax - vMin) * param;
}
for (let j = 0 + removeStart; j < inputs.nrPoints - removeEnd; j++) {
let p;
if (inputs.isU) {
const stepV = (vMax - vMin) / (inputs.nrPoints - 1);
const halfStepV = stepV / 2;
const stepsV = stepV * j;
p = vMin + (inputs.shiftHalfStep ? halfStepV : 0) + stepsV;
} else {
const stepU = (uMax - uMin) / (inputs.nrPoints - 1);
const halfStepU = stepU / 2;
const stepsU = stepU * j;
p = uMin + (inputs.shiftHalfStep ? halfStepU : 0) + stepsU;
}
let uv;
if (inputs.isU) {
uv = [param, p];
} else {
uv = [p, param];
}
uvs.push(uv);
}
return uvs;
}
subdivideToUV(inputs: Inputs.OCCT.FaceSubdivisionDto<TopoDS_Face>): Base.Point2[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const uvs: Base.Point2[] = [];
const uStartRemoval = inputs.removeStartEdgeU ? 1 : 0;
const uEndRemoval = inputs.removeEndEdgeU ? 1 : 0;
const vStartRemoval = inputs.removeStartEdgeV ? 1 : 0;
const vEndRemoval = inputs.removeEndEdgeV ? 1 : 0;
for (let i = 0 + uStartRemoval; i < inputs.nrDivisionsU - uEndRemoval; i++) {
const stepU = (uMax - uMin) / (inputs.nrDivisionsU - 1);
const halfStepU = stepU / 2;
const stepsU = stepU * i;
const u = uMin + (inputs.shiftHalfStepU ? halfStepU : 0) + stepsU;
for (let j = 0 + vStartRemoval; j < inputs.nrDivisionsV - vEndRemoval; j++) {
const stepV = (vMax - vMin) / (inputs.nrDivisionsV - 1);
const halfStepV = stepV / 2;
const stepsV = stepV * j;
const v = vMin + (inputs.shiftHalfStepV ? halfStepV : 0) + stepsV;
uvs.push([u, v]);
}
}
return uvs;
}
uvOnFace(inputs: Inputs.OCCT.DataOnUVDto<TopoDS_Face>): Base.Point2 {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const u = uMin + (uMax - uMin) * inputs.paramU;
const v = vMin + (vMax - vMin) * inputs.paramV;
return [u, v];
}
pointsOnUVs(inputs: Inputs.OCCT.DataOnUVsDto<TopoDS_Face>): Base.Point3[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const surface = handle.get();
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const pts: Base.Point3[] = inputs.paramsUV.map(uv => {
const u = uMin + (uMax - uMin) * uv[0];
const v = vMin + (vMax - vMin) * uv[1];
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
surface.D0(u, v, gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
gpPnt.delete();
return pt;
});
surface.delete();
return pts;
}
normalsOnUVs(inputs: Inputs.OCCT.DataOnUVsDto<TopoDS_Face>): Base.Vector3[] {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const nrmls: Base.Vector3[] = inputs.paramsUV.map(uv => {
const u = uMin + (uMax - uMin) * uv[0];
const v = vMin + (vMax - vMin) * uv[1];
const gpDir = this.entitiesService.gpDir([0, 1, 0]);
this.occ.GeomLib.NormEstim(handle, this.entitiesService.gpPnt2d([u, v]), 1e-7, gpDir);
const pt = [gpDir.X(), gpDir.Y(), gpDir.Z()];
gpDir.delete();
return pt as Base.Vector3;
});
handle.delete();
return nrmls;
}
pointOnUV(inputs: Inputs.OCCT.DataOnUVDto<TopoDS_Face>): Base.Point3 {
Iif (inputs.shape === undefined) {
throw (Error(("Face not defined")));
}
const face = inputs.shape;
const handle = this.occ.BRep_Tool.Surface_2(face);
const surface = handle.get();
const { uMin, uMax, vMin, vMax } = this.getUVBounds(face);
const u = uMin + (uMax - uMin) * inputs.paramU;
const v = vMin + (vMax - vMin) * inputs.paramV;
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
surface.D0(u, v, gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
gpPnt.delete();
handle.delete();
return pt;
}
normalOnUV(inputs: Inputs.OCCT.DataOnUVDto<TopoDS_Face>): Base.Vector3 {
return this.faceNormalOnUV(inputs);
}
createPolygonFace(inputs: Inputs.OCCT.PolygonDto) {
const wire = this.wiresService.createPolygonWire(inputs);
const result = this.entitiesService.bRepBuilderAPIMakeFaceFromWire(wire, false);
wire.delete();
return result;
}
}
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