node-occ/test/test_extrudeFace.js

OpenCascade OCCT Wrapper for Node js

const occ = require("../lib/occ");
const should = require("should");

describe("demonstrate how to extrude a face",function() {

    it("extrudeFace",function() {

        // create a planar wire close line.

        const aPnt1 = [0, 0.0, 0];
        const aPnt2 = [10, 1.0, 0];
        const aPnt3 = [10, 9.0, 0];
        const aPnt4 = [0, 10.0, 0];
        const aSegment1 = new occ.makeLine(aPnt1, aPnt2);
        const aSegment2 = new occ.makeLine(aPnt2, aPnt3);
        const aSegment3 = new occ.makeLine(aPnt3, aPnt4);
        const aSegment4 = new occ.makeLine(aPnt4, aPnt1);

        const aWire = new occ.Wire(aSegment1, aSegment2, aSegment3, aSegment4);
        aWire.isClosed.should.equal(true);
        aWire.numEdges.should.equal(4);
        aWire.numVertices.should.equal(4);

        // the vector to extrude the face along.
        const aVector = [-2, -2.0, 10];
        const aFace = new occ.Face(aWire);

        const myBody = occ.makePrism(aFace, aVector);

        occ.writeSTEP("extrudedFace.step",[myBody]);

    });
});