Function makeEdgesIndexes

lib/shape.js:49–91

(solid, jsonSolidMesh)

    occ.buildSolidMeshNew = function (solid) {

        function makeEdgesIndexes(solid, jsonSolidMesh) {

            // produce each edge
            const mesh = solid.mesh;
            let indexes = null;

            solid.getEdges().forEach(edge => {
                if (edge.isSeam) {
                    return;
                }
                try {
                    indexes = mesh.getEdgeIndices(edge);
                }
                catch(err) {

                    // fall back to complete edge
                    const polyline = edge.polygonize();
                    if (!polyline) {
                        debugLog("mesh# failed ! cannot extract edges indexes on solid", err, solid.hasMesh, solid.name, solid.getShapeName(edge));
                        debugLog(" mesh", mesh.numVertex);
                        debugLog(" edge", edge.polygonize());
                        export_debug_step(solid);
                        //xx process.exit(2);
                    }

                    const entry = {
                        name: solid.getShapeName(edge),
                        mesh: toBase64(polyline)
                    };
                    jsonSolidMesh.edges.push(entry);
                    return;
                }
                if (!indexes || indexes.length == 0) {
                    return ; // ignore empty edges
                }

                const entry = {
                    name: solid.getShapeName(edge),
                    indexes: toBase64(indexes),
                };
                jsonSolidMesh.edges.push(entry);
            });
        }

        function toBase64_1(typedArray) {
            return ( new Buffer(typedArray.buffer)).toString("base64");