public void writeFacets()

in commons-geometry-io-euclidean/src/main/java/org/apache/commons/geometry/io/euclidean/threed/stl/StlBoundaryWriteHandler3D.java [136:169]

• 24 lines of code
• 3 McCabe index (conditional complexity)

    public void writeFacets(final Stream<? extends FacetDefinition> facets, final GeometryOutput out) {

        // write the triangle data to a buffer and track how many we write
        int triangleCount = 0;
        final ByteArrayOutputStream triangleBuffer = new ByteArrayOutputStream(initialBufferSize);

        try (BinaryStlWriter dataWriter = new BinaryStlWriter(triangleBuffer)) {
            final Iterator<? extends FacetDefinition> it = facets.iterator();

            FacetDefinition facet;
            int attributeValue;

            while (it.hasNext()) {
                facet = it.next();
                attributeValue = getFacetAttributeValue(facet);

                for (final List<Vector3D> tri :
                    EuclideanUtils.convexPolygonToTriangleFan(facet.getVertices(), t -> t)) {

                    dataWriter.writeTriangle(
                            tri.get(0),
                            tri.get(1),
                            tri.get(2),
                            facet.getNormal(),
                            attributeValue);

                    ++triangleCount;
                }
            }
        }

        // write the header and copy the data
        writeWithHeader(triangleBuffer, triangleCount, out);
    }