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defeature by edge

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This commit is contained in:
Val Erastov 2021-01-26 20:23:57 -08:00
parent 7c9d0c2999
commit d5a448cecb
2 changed files with 54 additions and 7 deletions
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36
modules/brep/operations/directMod/defeaturing.ts
View file

@ -1,11 +1,37 @@
import {Shell} from "brep/topo/shell";
import {Vertex} from "brep/topo/vertex";
import {EdgeGraph} from "brep/operations/boolean";
import {HalfEdge} from "brep/topo/edge";
import {Edge, HalfEdge} from "brep/topo/edge";
import {Plane} from "geom/impl/plane";
import {DEFLECTION} from "../../../../web/app/cad/craft/e0/common";
import {DEFLECTION, E0_TOLERANCE} from "../../../../web/app/cad/craft/e0/common";
import {EngineAPI_V1, GenericResponse} from "engine/api";
export function defeatureByEdge(shell: Shell, edge: Edge, engine: EngineAPI_V1): GenericResponse {
const graph = new EdgeGraph();
for (let e of shell.edges) {
graph.add(e.halfEdge1);
graph.add(e.halfEdge2);
}
const notSourceEdge = (he: HalfEdge) => he.edge !== edge;
const edges1: HalfEdge[] = graph.vertexToEdge.get(edge.halfEdge1.vertexA);
const [a, b] = edges1.filter(notSourceEdge).map(e => e.vertexB.point);
const edges2: HalfEdge[] = graph.vertexToEdge.get(edge.halfEdge1.vertexB);
const [c] = edges2.filter(notSourceEdge).map(e => e.vertexB.point);
let plane = Plane.by3Points(a, b, c);
if (plane.normal.multiply(plane.w).minus(edge.halfEdge1.vertexA.point).dot(plane.normal) > 1) {
plane = plane.invert();
}
plane.w += E0_TOLERANCE;
return cutOff(shell, plane, engine);
}
export function defeatureByVertex(shell: Shell, vertex: Vertex, engine: EngineAPI_V1): GenericResponse {
const graph = new EdgeGraph();
@ -22,6 +48,12 @@ export function defeatureByVertex(shell: Shell, vertex: Vertex, engine: EngineAP
plane = plane.invert();
}
return cutOff(shell, plane, engine);
}
function cutOff(shell: Shell, plane: Plane, engine: EngineAPI_V1) {
return engine.splitByPlane({
deflection: DEFLECTION,
shape: shell.data.externals.ptr,

25
web/app/cad/sandbox.ts
View file

@ -15,7 +15,7 @@ import {readBrep, writeBrep} from "brep/io/brepIO";
import {PRIMITIVE_TYPES} from "engine/data/primitiveData";
import {pullFace} from "brep/operations/directMod/pullFace";
import {DefeatureFaceWizard} from "./craft/defeature/DefeatureFaceWizard";
import {defeatureByVertex} from "brep/operations/directMod/defeaturing";
import {defeatureByVertex, defeatureByEdge} from "brep/operations/directMod/defeaturing";
import {BooleanType} from "engine/api";
import { testEdgeSplit } from 'brep/operations/directMod/edgeSplit';
@ -239,6 +239,20 @@ export function runSandbox(ctx: ApplicationContext) {
});
}
function testRemoveEdge() {
const boxData = ctx.craftEngine.modellingEngine.loadModel(writeBrep(exposure.brep.primitives.box(500, 500, 500)));
const box = readShellEntityFromJson(boxData);
services.exposure.addOnScene(box);
box.edges.forEach(e => e.ext.view.picker.onMouseClick = () => {
ctx.craftService.models$.update((models) => {
const [cube] = models;
const result = defeatureByEdge(cube.brepShell, e.brepEdge, ctx.craftEngine.modellingEngine);
const mShell = readShellEntityFromJson(result);
return [mShell];
});
});
}
function test5() {
@ -591,10 +605,11 @@ export function runSandbox(ctx: ApplicationContext) {
if (ready) {
// testEdgeSplit(ctx);
//testVertexMoving(ctx);
test4();
// testSplitFace();
// testRemoveFaces();
// testRemoveVertex();
test4();
//testSplitFace();
//testRemoveFaces();
//testRemoveVertex();
testRemoveEdge();
}
});