mirror of https://gitee.com/cf-fz/WebCAD.git
!2158 功能:保存成DXF文件,命令SaveToDXF
ChenX
1 year ago
parent
89f02f4662
commit
02b98a635e
@ -0,0 +1,81 @@
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// Jest Snapshot v1, https://goo.gl/fbAQLP
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exports[`椭圆参数翻转 1`] = `
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Array [
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1900.8937953675368,
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-1697.6142762620343,
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0,
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]
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`;
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exports[`椭圆参数翻转 2`] = `
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Array [
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1991.7988957905598,
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-1278.079293799722,
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0,
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]
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`;
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exports[`椭圆参数翻转 3`] = `
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Array [
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1719.4574938657072,
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-690.650537442616,
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0,
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]
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`;
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exports[`椭圆参数翻转 4`] = `
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Array [
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1187.8947485844765,
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-159.70582615004992,
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0,
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]
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`;
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exports[`椭圆参数翻转 5`] = `
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Array [
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600.1495614910953,
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111.95200651121627,
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0,
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]
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`;
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exports[`椭圆参数翻转 6`] = `
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Array [
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180.72061733106864,
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20.55890177471008,
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0,
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]
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`;
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exports[`椭圆参数翻转 7`] = `
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Array [
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89.81551690804577,
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-398.976080687602,
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0,
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]
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`;
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exports[`椭圆参数翻转 8`] = `
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Array [
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362.1569188328983,
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-986.404837044708,
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0,
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]
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`;
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exports[`椭圆参数翻转 9`] = `
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Array [
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893.7196641141288,
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-1517.3495483372742,
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0,
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]
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`;
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exports[`椭圆参数翻转 10`] = `
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Array [
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1481.4648512075103,
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-1789.0073809985404,
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0,
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]
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`;
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@ -0,0 +1,33 @@
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import { Ellipse } from "../../src/DatabaseServices/Entity/Ellipse";
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import { Line } from "../../src/DatabaseServices/Entity/Line";
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import { equaln } from "../../src/Geometry/GeUtils";
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import { IntersectOption } from "../../src/GraphicsSystem/IntersectWith";
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import { LoadEntityFromFileData } from '../Utils/LoadEntity.util';
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test('椭圆参数翻转', () =>
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{
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let d =
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{ "file": [2, "Ellipse", 10, 2, 104, 0, 1, 1, 71, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1040.8072063493028, -838.5276872436621, 0, 1], 0, 0, 1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -935.6208801731591, -1701.2048253468238, 0, 1], 0, 0, 1, 1, 1215.639217876851, 614.2902515010619, 5.498368818682524, 0, 0, "Line", 10, 2, 107, 0, 1, 7, 71, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 0, 1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 0, 1, 1, [850.3191623444072, -2510.7929602864897, 0], [435.01033264443686, 871.6945624563377, 0]], "basePt": { "x": 78.50807304852151, "y": -2510.7929602864897, "z": 0 }, "ucs": [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1] };
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let [el, line] = LoadEntityFromFileData(d) as [Ellipse, Line];
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let ipts = el.IntersectWith2(line, IntersectOption.ExtendNone);
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for (let d of ipts)
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{
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let pt = el.GetPointAtParam(d.thisParam);
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let param = el.GetParamAtPoint(d.pt);
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expect(pt.equals(d.pt));
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expect(param).toBe(d.thisParam);
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}
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for (let i = 0; i < 10; i++)
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{
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let p = el.GetPointAtParam(i / 10);
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expect(p.toArray()).toMatchSnapshot();
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let param = el.GetParamAtPoint(p);
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expect(equaln(param, i / 10)).toBeTruthy();
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}
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});
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@ -0,0 +1,333 @@
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import
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{
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AlignedDimension as DxfAlignedDimension, AlignedDimOptions, AngularDimLines, Arc as DxfArc, Circle as DxfCircle, CommonEntityOptions, DiameterDimension as DxfDiameterDimension, DiameterDimOptions, DxfBlock,
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DxfWriter, Ellipse as DxfEllipse, FaceOptions, Insert, InsertOptions, InvisibleEdgeFlags, Line as DxfLine, LinearDimension as DxfLinearDimension, LinearDimOptions, LWPolyline, LWPolylineOptions, RadialDimension, RadialDimOptions, Text as DxfText, TextOptions
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} from "dxf-write";
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import { BufferGeometry, Float32BufferAttribute, Geometry, Matrix4, Vector3 } from "three";
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import { MathUtils } from "three/src/math/MathUtils";
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import { ExtrudeHole } from "../../DatabaseServices/3DSolid/ExtrudeHole";
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import { RevolveSolid } from "../../DatabaseServices/3DSolid/RevolveSolid";
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import { SweepSolid } from "../../DatabaseServices/3DSolid/SweepSolid";
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import { LineAngularDimension } from "../../DatabaseServices/Dimension/2LineAngularDimension";
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import { AlignedDimension } from "../../DatabaseServices/Dimension/AlignedDimension";
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import { ArcDimension } from "../../DatabaseServices/Dimension/ArcDimension";
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import { DiameterDimension } from "../../DatabaseServices/Dimension/DiameterDimension";
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import { LinearDimension } from "../../DatabaseServices/Dimension/LinearDimension";
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import { RadiusDimension } from "../../DatabaseServices/Dimension/RadiusDimension";
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import { Arc } from "../../DatabaseServices/Entity/Arc";
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import { Board } from "../../DatabaseServices/Entity/Board";
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import { Circle } from "../../DatabaseServices/Entity/Circle";
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import { CompositeEntity } from "../../DatabaseServices/Entity/CompositeEntity";
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import { Curve } from "../../DatabaseServices/Entity/Curve";
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import { Ellipse } from "../../DatabaseServices/Entity/Ellipse";
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import { Entity } from "../../DatabaseServices/Entity/Entity";
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import { Line } from "../../DatabaseServices/Entity/Line";
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import { Polyline } from "../../DatabaseServices/Entity/Polyline";
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import { Text } from "../../DatabaseServices/Text/Text";
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import { angle, AsVector3, polar } from "../../Geometry/GeUtils";
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import { Orbit } from "../../Geometry/Orbit";
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//任意轴坐标系
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function MakeMatrix4FromNormal(nor: Vector3)
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{
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let x = new Vector3();
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let y = new Vector3();
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Orbit.ComputUpDirection(nor, y, x);
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return new Matrix4().makeBasis(x, y, nor);
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}
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export function Conver2DxfEntity(e: Entity, dxf: DxfWriter, blkName?: string)
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{
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let option: CommonEntityOptions = {
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colorNumber: e.ColorIndex,
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};//color
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if (e instanceof Line)
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{
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option.extrusion = e.Normal;
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return new DxfLine(e.StartPoint, e.EndPoint, option);
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}
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else if (e instanceof Arc)
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{
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option.extrusion = e.Normal;
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let mtx = MakeMatrix4FromNormal(option.extrusion as Vector3);//任意轴坐标系
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let arc = new Arc();
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arc.IsClockWise = false;
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arc.ApplyMatrix(mtx);
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let center = e.Center.applyMatrix4(arc.OCSInv);
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arc.Center = e.Center;
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let startAngle = MathUtils.radToDeg(arc.GetAngleAtPoint(e.StartPoint));
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let endAngle = MathUtils.radToDeg(arc.GetAngleAtPoint(e.EndPoint));
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if (e.IsClockWise) [startAngle, endAngle] = [endAngle, startAngle];
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return new DxfArc(center, e.Radius, startAngle, endAngle, option);
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}
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else if (e instanceof Circle)
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{
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option.extrusion = e.Normal;
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let mtx = MakeMatrix4FromNormal(option.extrusion as Vector3);//任意轴坐标系
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return new DxfCircle(e.Center.applyMatrix4(new Matrix4().getInverse(mtx)), e.Radius, option);
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}
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else if (e instanceof Polyline)
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{
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let mtx = MakeMatrix4FromNormal(e.Normal);//任意轴坐标系
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let mtxInv = new Matrix4().getInverse(mtx);
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let p = e.Position.applyMatrix4(mtxInv);
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mtx.setPosition(e.Normal.multiplyScalar(p.z));
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let { pts, buls } = e.MatrixAlignTo2(mtx);
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let plOption = option as LWPolylineOptions;
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plOption.flags = e.CloseMark ? 1 : 0;
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plOption.elevation = p.z;
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plOption.extrusion = e.Normal;
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return new LWPolyline(
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pts.map((p, index) =>
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{
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return { point: p, bulge: buls[index] };
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}),
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option
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);
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}
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else if (e instanceof Ellipse)
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{
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option.extrusion = e.Normal;
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let center = e.Center;
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let x = polar(new Vector3(1), e.Rotation, e.RadX);
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x.applyMatrix4(e.OCS.setPosition(0, 0, 0));
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return new DxfEllipse(
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center,
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x,
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e.RadY / e.RadX,
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e.StartAngle,
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e.EndAngle,
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option
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);
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}
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else if (e instanceof LinearDimension)
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{
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option.extrusion = e.Normal;
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let dimOp = option as LinearDimOptions;
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dimOp.definitionPoint = e.TextPosition;
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let mtx = MakeMatrix4FromNormal(e.Normal);//任意轴坐标系
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let mtxInv = new Matrix4().getInverse(mtx);
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dimOp.middlePoint = e.TextPosition.applyMatrix4(mtxInv);
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dimOp.angle = e.Angle;
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return new DxfLinearDimension(e.FootP1, e.FootP2, option);
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}
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else if (e instanceof AlignedDimension)
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{
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option.extrusion = e.Normal;
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let dimOp = option as AlignedDimOptions;
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dimOp.definitionPoint = e.TextPosition;
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let mtx = MakeMatrix4FromNormal(e.Normal);//任意轴坐标系
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let mtxInv = new Matrix4().getInverse(mtx);
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dimOp.middlePoint = e.TextPosition.applyMatrix4(mtxInv);
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return new DxfAlignedDimension(e.FootP1, e.FootP2, option);
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}
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else if (e instanceof LineAngularDimension)
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{
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option.extrusion = e.Normal;
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return new AngularDimLines(
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{
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start: e.L1StartPoint,
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end: e.L1EndPoint
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},
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{
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start: e.L2StartPoint,
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end: e.L2EndPoint
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},
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e.DimPoint,
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option
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);
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}
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else if (e instanceof DiameterDimension)
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{
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option.extrusion = e.Normal;
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let dimOpt = option as DiameterDimOptions;
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dimOpt.definitionPoint = e.Position;
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let mtx = MakeMatrix4FromNormal(e.Normal);//任意轴坐标系
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let mtxInv = new Matrix4().getInverse(mtx);
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dimOpt.middlePoint = e.TextPoint.applyMatrix4(mtxInv);
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return new DxfDiameterDimension(
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e.DiameterOrRadiusPoint,
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e.Center,
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option
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);
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}
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else if (e instanceof RadiusDimension)
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{
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option.extrusion = e.Normal;
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let dimOpt = option as RadialDimOptions;
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dimOpt.definitionPoint = e.Position;
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let mtx = MakeMatrix4FromNormal(e.Normal);//任意轴坐标系
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let mtxInv = new Matrix4().getInverse(mtx);
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dimOpt.middlePoint = e.TextPoint.applyMatrix4(mtxInv);
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return new RadialDimension(
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e.DiameterOrRadiusPoint,
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e.Center,
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option
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);
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}
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else if (e instanceof ArcDimension)
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{
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//弧长标注 在acad中 使用角度标注 然后改TextString就行了
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}
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// else 我们暂时没有实现坐标标注
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else if (e instanceof Board || e instanceof SweepSolid || e instanceof RevolveSolid || e instanceof ExtrudeHole)
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{
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let name = blkName ?? `cf${e.Id.Index}`;
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let block = (dxf as DxfWriter).addBlock(name);
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// if (false)
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// {
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// let cu = e.ContourCurve.Clone();
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// cu.ColorIndex = e.ColorIndex;
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// Conver2DxfEntity(cu, block);
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// cu.Move({ x: 0, y: 0, z: e.Thickness });
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// Conver2DxfEntity(cu, block);
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// for (let i = 0; i < cu.EndParam; i++)
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// {
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// let p = cu.GetPointAtParam(i);
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// let line = new Line(p, p.clone().setZ(0));
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// line.ColorIndex = e.ColorIndex;
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// Conver2DxfEntity(line, block);
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// }
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// }
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DxfBlockDrawLines(e, block);
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DxfDraw3DFace(e, block);
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option.extrusion = e.Normal;
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let blockOpt = option as InsertOptions;
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let mtx = MakeMatrix4FromNormal(e.Normal);
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let mtxInv = new Matrix4().getInverse(mtx);
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let x = new Vector3().setFromMatrixColumn(e.OCSNoClone, 0);
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x.applyMatrix4(mtxInv);
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blockOpt.rotationAngle = MathUtils.RAD2DEG * angle(x);
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return new Insert(name, e.Position.applyMatrix4(mtxInv), option);
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}
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else if (e instanceof Text)
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{
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option.extrusion = e.Normal;
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let textOpt = option as TextOptions;
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let mtx = MakeMatrix4FromNormal(e.Normal);
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let mtxInv = new Matrix4().getInverse(mtx);
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let x = new Vector3().setFromMatrixColumn(e.OCSNoClone, 0);
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x.applyMatrix4(mtxInv);
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textOpt.rotation = MathUtils.RAD2DEG * (angle(x) + e.TextRotation);
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return new DxfText(e.Position.applyMatrix4(mtxInv), e.Height, e.TextString, option);
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}
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else if (e instanceof CompositeEntity)
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{
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let name = blkName ?? `cf${e.Id.Index}`;
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let block = (dxf as DxfWriter).addBlock(name);
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let subIndex = 0;
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for (let subE of e.Entitys)
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{
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if (subE instanceof Curve)//块内曲线不支持非Z0
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{
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let pts = subE.Shape.getPoints(subE.GetDrawCount()).map(AsVector3);
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for (let p of pts)
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p.applyMatrix4(subE.OCSNoClone);
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for (let i = 0; i < pts.length - 1; i++)
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block.addLine(pts[i], pts[i + 1], { colorNumber: subE.ColorIndex });
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}
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else
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{
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let subInsert = Conver2DxfEntity(subE, dxf, `${name}_${subIndex}`);
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if (subInsert)
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block.addEntity(subInsert);
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}
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subIndex++;
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}
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option.extrusion = e.Normal;
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let blockOpt = option as InsertOptions;
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let mtx = MakeMatrix4FromNormal(e.Normal);
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let mtxInv = new Matrix4().getInverse(mtx);
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let x = new Vector3().setFromMatrixColumn(e.OCSNoClone, 0);
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x.applyMatrix4(mtxInv);
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blockOpt.rotationAngle = MathUtils.RAD2DEG * angle(x);
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return new Insert(name, e.Position.applyMatrix4(mtxInv), option);
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}
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}
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type Solid3d = Board | SweepSolid | RevolveSolid | ExtrudeHole;
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function DxfBlockDrawLines(en: Solid3d, block: DxfBlock)
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{
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if (en instanceof RevolveSolid)
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return;
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let meshGeo = en.EdgeGeometry;
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let option: FaceOptions = {
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colorNumber: en.ColorIndex,
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};
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let vertices: Vector3[];
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if (meshGeo instanceof Geometry)
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vertices = meshGeo.vertices;
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else
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{
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vertices = [];
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let vers = meshGeo.getAttribute("position") as Float32BufferAttribute;
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for (let i = 0; i < vers.count; i++)
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vertices.push(new Vector3(vers.getX(i), vers.getY(i), vers.getZ(i)));
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}
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for (let i = 0; i < vertices.length / 2; i++)
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{
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block.addLine(
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vertices[i * 2],
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vertices[i * 2 + 1],
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option
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);
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}
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}
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function DxfDraw3DFace(en: Solid3d, block: DxfBlock)
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{
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let meshGeo = en.MeshGeometry;
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let option: FaceOptions = {
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colorNumber: en.ColorIndex,
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invisibleEdges: InvisibleEdgeFlags.None
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};
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let geo: Geometry;
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if (meshGeo instanceof BufferGeometry)
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geo = new Geometry().fromBufferGeometry(meshGeo);
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else
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geo = meshGeo;
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for (let f of geo.faces)
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{
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let face3d = block.add3dFace(
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geo.vertices[f.a],
|
||||
geo.vertices[f.b],
|
||||
geo.vertices[f.c],
|
||||
geo.vertices[f.c],
|
||||
option
|
||||
);
|
||||
face3d.setEdgesVisible(false);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue