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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | 436x 865x 865x 865x 865x 865x 865x 865x 123x 123x 123x 123x 123x 123x 123x 123x 116x 3x 3x 3x 3x 3x 3x 3x 1x 1x 1x 1x 1x 1x 33x 33x 33x 33x 33x 371x 33x 7x 33x 9x 33x 355x 355x 355x 355x 33x 355x 355x 355x 355x 355x 33x 30x 30x 30x 221x 221x 221x 30x 3x 30x 21x 30x 197x 197x 197x 197x 197x 30x 27x 27x 27x 27x 27x 27x 29x 29x 29x 29x 29x 29x 8x 8x 8x 8x 8x 8x 8x | import { Adaptor3d_Curve, BRepAdaptor_CompCurve_2, Geom_Curve, OpenCascadeInstance, TopoDS_Shape } from "../../../bitbybit-dev-occt/bitbybit-dev-occt";
import * as Inputs from "../../api/inputs/inputs";
import { Base } from "../../api/inputs/base-inputs";
import { VectorHelperService } from "../../api/vector-helper.service";
import { EntitiesService } from "./entities.service";
export class GeomService {
constructor(
public readonly occ: OpenCascadeInstance,
private readonly vecHelper: VectorHelperService,
private readonly entitiesService: EntitiesService
) { }
curveLength(inputs: Inputs.OCCT.ShapeDto<Adaptor3d_Curve>): number {
return this.occ.GCPnts_AbscissaPoint.Length_1(inputs.shape);
}
pointOnCurveAtParam(inputs: Inputs.OCCT.DataOnGeometryAtParamDto<Geom_Curve | BRepAdaptor_CompCurve_2>): Base.Point3 {
const curve = inputs.shape;
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
const param = this.vecHelper.remap(inputs.param, 0, 1, curve.FirstParameter(), curve.LastParameter());
curve.D0(param, gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
gpPnt.delete();
return pt;
}
pointOnCurveAtLength(inputs: Inputs.OCCT.DataOnGeometryAtLengthDto<Adaptor3d_Curve>): Base.Point3 {
const absc = new this.occ.GCPnts_AbscissaPoint_2(inputs.shape, inputs.length, inputs.shape.FirstParameter());
const param = absc.Parameter();
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
inputs.shape.D0(param, gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
absc.delete();
gpPnt.delete();
return pt;
}
pointsOnCurveAtLengths(inputs: Inputs.OCCT.DataOnGeometryAtLengthsDto<Adaptor3d_Curve>): Base.Point3[] {
return inputs.lengths.map(length => this.pointOnCurveAtLength({ shape: inputs.shape, length }));
}
tangentOnCurveAtLength(inputs: Inputs.OCCT.DataOnGeometryAtLengthDto<Adaptor3d_Curve>): Base.Point3 {
const absc = new this.occ.GCPnts_AbscissaPoint_2(inputs.shape, inputs.length, inputs.shape.FirstParameter());
const param = absc.Parameter();
const vec = inputs.shape.DN(param, 1);
const pt: Base.Point3 = [vec.X(), vec.Y(), vec.Z()];
vec.delete();
absc.delete();
return pt;
}
tangentOnCurveAtParam(inputs: Inputs.OCCT.DataOnGeometryAtParamDto<Geom_Curve | BRepAdaptor_CompCurve_2>): Base.Point3 {
const curve = inputs.shape;
const param = this.vecHelper.remap(inputs.param, 0, 1, curve.FirstParameter(), curve.LastParameter());
const vec = curve.DN(param, 1);
const pt: Base.Point3 = [vec.X(), vec.Y(), vec.Z()];
vec.delete();
return pt;
}
divideCurveByEqualLengthDistance(inputs: Inputs.OCCT.DivideDto<Adaptor3d_Curve>): Base.Point3[] {
const curve = inputs.shape;
const curveLength = this.occ.GCPnts_AbscissaPoint.Length_5(curve, curve.FirstParameter(), curve.LastParameter());
const step = curveLength / inputs.nrOfDivisions;
const lengths: number[] = [];
for (let i = 0; i <= curveLength + 0.000000001; i += step) {
lengths.push(i);
}
if (inputs.removeStartPoint) {
lengths.shift();
}
if (inputs.removeEndPoint) {
lengths.pop();
}
const paramsLength = lengths.map(l => {
const absc = new this.occ.GCPnts_AbscissaPoint_2(curve, l, curve.FirstParameter());
const param = absc.Parameter();
absc.delete();
return param;
});
const points = paramsLength.map(r => {
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
curve.D0(r, gpPnt);
const pt = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()] as Base.Point3;
gpPnt.delete();
return pt;
});
return points;
}
divideCurveToNrSegments(inputs: Inputs.OCCT.DivideDto<Geom_Curve | BRepAdaptor_CompCurve_2>, uMin: number, uMax: number) {
const curve = inputs.shape;
const ranges: number[] = [];
for (let i = 0; i <= inputs.nrOfDivisions; i++) {
const param = (i / inputs.nrOfDivisions);
const paramMapped = this.vecHelper.remap(param, 0, 1, uMin, uMax);
ranges.push(paramMapped);
}
if (inputs.removeStartPoint) {
ranges.shift();
}
if (inputs.removeEndPoint) {
ranges.pop();
}
const points = ranges.map(r => {
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
curve.D0(r, gpPnt);
const pt = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()] as Base.Point3;
gpPnt.delete();
return pt;
});
return points;
}
startPointOnCurve(inputs: Inputs.OCCT.ShapeDto<Geom_Curve | BRepAdaptor_CompCurve_2>): Inputs.Base.Point3 {
const curve = inputs.shape;
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
curve.D0(curve.FirstParameter(), gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
gpPnt.delete();
return pt;
}
endPointOnCurve(inputs: Inputs.OCCT.ShapeDto<Geom_Curve | BRepAdaptor_CompCurve_2>): Inputs.Base.Point3 {
const curve = inputs.shape;
const gpPnt = this.entitiesService.gpPnt([0, 0, 0]);
curve.D0(curve.LastParameter(), gpPnt);
const pt: Base.Point3 = [gpPnt.X(), gpPnt.Y(), gpPnt.Z()];
gpPnt.delete();
return pt;
}
getLinearCenterOfMass(inputs: Inputs.OCCT.ShapeDto<TopoDS_Shape>): Base.Point3 {
const edge: TopoDS_Shape = inputs.shape;
const gprops = new this.occ.GProp_GProps_1();
this.occ.BRepGProp.LinearProperties(edge, gprops, false, false);
const gppnt = gprops.CentreOfMass();
const pt: Base.Point3 = [gppnt.X(), gppnt.Y(), gppnt.Z()];
gprops.delete();
return pt;
}
}
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