Examples with ColoringAttributes org.scijava.java3d.ColoringAttributes used on opensource projects

Example 1 with ColoringAttributes

use of org.scijava.java3d.ColoringAttributes in project GDSC-SMLM by aherbert.

the class Shape3DHelper method createShape.

/**
 * Creates the shape.
 *
 * @param rendering the rendering
 * @param colorDepth the color depth
 * @return the shape
 */
public static Shape3D createShape(Rendering rendering, int colorDepth) {
    GeometryArray ga;
    final Appearance appearance = new Appearance();
    int vertexFormat = GeometryArray.COORDINATES;
    if (colorDepth == 3) {
        vertexFormat |= GeometryArray.COLOR_3;
    } else if (colorDepth == 4) {
        vertexFormat |= GeometryArray.COLOR_4;
    }
    // Support drawing as points ...
    if (rendering == Rendering.POINT) {
        ga = new PointArray(1, vertexFormat);
        final PointAttributes pa = new PointAttributes();
        pa.setPointAntialiasingEnable(true);
        appearance.setPointAttributes(pa);
    } else {
        ga = createGeometryArray(rendering, colorDepth);
        // // Test using the geometry from a sphere primitive
        // switch (r)
        // {
        // case HIGH_RES_SPHERE:
        // ga = ItemGeometryGroup.createSphere(50);
        // break;
        // case LOW_RES_SPHERE:
        // ga = ItemGeometryGroup.createSphere(16);
        // break;
        // }
        final PolygonAttributes pa = new PolygonAttributes();
        pa.setPolygonMode(PolygonAttributes.POLYGON_FILL);
        if (rendering.is2D()) {
            pa.setCullFace(PolygonAttributes.CULL_NONE);
            pa.setBackFaceNormalFlip(true);
        } else {
            pa.setCullFace(PolygonAttributes.CULL_BACK);
            pa.setBackFaceNormalFlip(false);
        }
        appearance.setPolygonAttributes(pa);
        final ColoringAttributes ca = new ColoringAttributes();
        // if (rendering.isHighResolution() || rendering.is2D())
        // // Smooth across vertices. Required to show 2D surfaces smoothly
        // ca.setShadeModel(ColoringAttributes.SHADE_GOURAUD);
        // else
        // // Faster polygon rendering with flat shading
        // ca.setShadeModel(ColoringAttributes.SHADE_FLAT);
        // For indexed models (with 1 normal per vertex) always use smooth shading
        ca.setShadeModel(ColoringAttributes.SHADE_GOURAUD);
        appearance.setColoringAttributes(ca);
        final Material m = new Material();
        m.setShininess(128f);
        m.setAmbientColor(0.1f, 0.1f, 0.1f);
        if (rendering.isHighResolution()) {
            // Allow shiny highlights on balls
            m.setSpecularColor(0.1f, 0.1f, 0.1f);
        } else {
            // For flat appearance
            m.setSpecularColor(0, 0, 0);
        }
        appearance.setMaterial(m);
    }
    return new Shape3D(ga, appearance);
}

Example 2 with ColoringAttributes

use of org.scijava.java3d.ColoringAttributes in project GDSC-SMLM by aherbert.

the class ItemMesh method createAppearance.

/**
 * Creates the appearance.
 *
 * @param appearance the appearance
 * @param ga the geometry array
 * @return the appearance
 */
protected Appearance createAppearance(Appearance appearance, GeometryArray ga) {
    // Create a suitable appearance for points or 3D shapes.
    if (appearance == null) {
        appearance = new Appearance();
    }
    appearance.setCapability(Appearance.ALLOW_TRANSPARENCY_ATTRIBUTES_READ);
    appearance.setCapability(Appearance.ALLOW_MATERIAL_READ);
    appearance.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_READ);
    // Ensure we have the ability to colour the object
    if (!hasColor()) {
        isColorByMaterial = !isPointArray;
    }
    if (isPointArray) {
        shaded = false;
        appearance.setPolygonAttributes(null);
        appearance.setMaterial(null);
        PointAttributes pointAttributes = appearance.getPointAttributes();
        if (pointAttributes == null) {
            pointAttributes = new PointAttributes();
            pointAttributes.setPointAntialiasingEnable(true);
            appearance.setPointAttributes(pointAttributes);
        }
        pointAttributes.setCapability(PointAttributes.ALLOW_ANTIALIASING_WRITE);
        pointAttributes.setCapability(PointAttributes.ALLOW_SIZE_WRITE);
        if (hasColor()) {
            // We use the coordinates for the colour
            appearance.setColoringAttributes(null);
        } else {
            ColoringAttributes ca = appearance.getColoringAttributes();
            if (ca == null) {
                ca = new ColoringAttributes();
                ca.setShadeModel(ColoringAttributes.SHADE_FLAT);
                appearance.setColoringAttributes(ca);
            }
            ca.setCapability(ColoringAttributes.ALLOW_COLOR_WRITE);
        }
    } else {
        appearance.setPointAttributes(null);
        // These are the defaults. We may need them if we want to support mesh
        // display when the polygon mode is Line
        PolygonAttributes polygonAttributes = appearance.getPolygonAttributes();
        if (polygonAttributes == null) {
            polygonAttributes = new PolygonAttributes();
            polygonAttributes.setPolygonMode(PolygonAttributes.POLYGON_FILL);
            appearance.setPolygonAttributes(polygonAttributes);
            shaded = true;
        } else {
            shaded = polygonAttributes.getPolygonMode() == PolygonAttributes.POLYGON_FILL;
        }
        polygonAttributes.setCapability(PolygonAttributes.ALLOW_MODE_WRITE);
        ColoringAttributes ca = appearance.getColoringAttributes();
        if (ca == null) {
            ca = new ColoringAttributes();
            ca.setShadeModel(ColoringAttributes.SHADE_GOURAUD);
            appearance.setColoringAttributes(ca);
        }
        ca.setCapability(ColoringAttributes.ALLOW_SHADE_MODEL_WRITE);
        Material material = appearance.getMaterial();
        if (material == null) {
            material = new Material();
            material.setAmbientColor(0.1f, 0.1f, 0.1f);
            material.setSpecularColor(0.1f, 0.1f, 0.1f);
            material.setDiffuseColor(DEFAULT_COLOR);
            appearance.setMaterial(material);
        }
        // Ensure per vertex colours replace the diffuse colour
        material.setColorTarget(Material.DIFFUSE);
        if (isColorByMaterial) {
            material.setCapability(Material.ALLOW_COMPONENT_WRITE);
        }
    }
    // We require transparency attributes for global transparency
    TransparencyAttributes tr = appearance.getTransparencyAttributes();
    if (tr == null) {
        tr = new TransparencyAttributes();
        tr.setTransparencyMode(TransparencyAttributes.NONE);
        tr.setTransparency(0f);
        appearance.setTransparencyAttributes(tr);
    }
    tr.setCapability(TransparencyAttributes.ALLOW_VALUE_WRITE);
    tr.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    return appearance;
}

Example 3 with ColoringAttributes

use of org.scijava.java3d.ColoringAttributes in project GDSC-SMLM by aherbert.

the class ImageJ3DResultsViewer method updateAppearance.

private static void updateAppearance(CustomMesh mesh, final ImageJ3DResultsViewerSettingsOrBuilder settings) {
    mesh.setShaded(settings.getShaded());
    final Appearance appearance = mesh.getAppearance();
    final PolygonAttributes pa = appearance.getPolygonAttributes();
    // For all 3D polygons we want to support a true face orientation so transparency works
    final Rendering r = Rendering.forNumber(settings.getRendering());
    if (r.is2D()) {
        pa.setCullFace(PolygonAttributes.CULL_NONE);
        pa.setBackFaceNormalFlip(true);
    } else {
        pa.setCullFace(PolygonAttributes.CULL_BACK);
        pa.setBackFaceNormalFlip(false);
    }
    // TransparencyAttributes ta = appearance.getTransparencyAttributes();
    // ta.setSrcBlendFunction(TransparencyAttributes.BLEND_SRC_ALPHA);
    // ta.setDstBlendFunction(TransparencyAttributes.BLEND_ONE);
    // ta.setDstBlendFunction(TransparencyAttributes.BLEND_ONE_MINUS_SRC_ALPHA); // Default
    ItemTriangleMesh.setTransparencyMode(TransparencyAttributes.FASTEST);
    // ItemTriangleMesh.setTransparencyMode(TransparencyAttributes.SCREEN_DOOR);
    // ItemTriangleMesh.setTransparencyMode(TransparencyAttributes.BLENDED);
    final ColoringAttributes ca = appearance.getColoringAttributes();
    if (r.isHighResolution() || r.is2D()) {
        // Smooth across vertices. Required to show 2D surfaces smoothly
        ca.setShadeModel(ColoringAttributes.SHADE_GOURAUD);
    } else {
        // Faster polygon rendering with flat shading
        ca.setShadeModel(ColoringAttributes.SHADE_FLAT);
    }
}