Merged with dev

This commit is contained in:
bubnikv 2018-09-12 11:59:02 +02:00
commit 0235f1a821
1491 changed files with 514153 additions and 29226 deletions

View file

@ -6,8 +6,11 @@
#include "../../libslic3r/Line.hpp"
#include "../../libslic3r/TriangleMesh.hpp"
#include "../../libslic3r/Utils.hpp"
#include "../../libslic3r/Model.hpp"
#include "../../slic3r/GUI/GLCanvas3DManager.hpp"
class wxBitmap;
class wxWindow;
namespace Slic3r {
@ -17,6 +20,11 @@ class Model;
class ModelObject;
class GCodePreviewData;
class DynamicPrintConfig;
class ExtrusionPath;
class ExtrusionMultiPath;
class ExtrusionLoop;
class ExtrusionEntity;
class ExtrusionEntityCollection;
// A container for interleaved arrays of 3D vertices and normals,
// possibly indexed by triangles and / or quads.
@ -111,8 +119,8 @@ public:
push_geometry(float(x), float(y), float(z), float(nx), float(ny), float(nz));
}
inline void push_geometry(const Pointf3& p, const Vectorf3& n) {
push_geometry(p.x, p.y, p.z, n.x, n.y, n.z);
inline void push_geometry(const Vec3d& p, const Vec3d& n) {
push_geometry(p(0), p(1), p(2), n(0), n(1), n(2));
}
inline void push_triangle(int idx1, int idx2, int idx3) {
@ -168,17 +176,17 @@ public:
BoundingBoxf3 bbox;
if (! this->vertices_and_normals_interleaved.empty()) {
bbox.defined = true;
bbox.min.x = bbox.max.x = this->vertices_and_normals_interleaved[3];
bbox.min.y = bbox.max.y = this->vertices_and_normals_interleaved[4];
bbox.min.z = bbox.max.z = this->vertices_and_normals_interleaved[5];
bbox.min(0) = bbox.max(0) = this->vertices_and_normals_interleaved[3];
bbox.min(1) = bbox.max(1) = this->vertices_and_normals_interleaved[4];
bbox.min(2) = bbox.max(2) = this->vertices_and_normals_interleaved[5];
for (size_t i = 9; i < this->vertices_and_normals_interleaved.size(); i += 6) {
const float *verts = this->vertices_and_normals_interleaved.data() + i;
bbox.min.x = std::min<coordf_t>(bbox.min.x, verts[0]);
bbox.min.y = std::min<coordf_t>(bbox.min.y, verts[1]);
bbox.min.z = std::min<coordf_t>(bbox.min.z, verts[2]);
bbox.max.x = std::max<coordf_t>(bbox.max.x, verts[0]);
bbox.max.y = std::max<coordf_t>(bbox.max.y, verts[1]);
bbox.max.z = std::max<coordf_t>(bbox.max.z, verts[2]);
bbox.min(0) = std::min<coordf_t>(bbox.min(0), verts[0]);
bbox.min(1) = std::min<coordf_t>(bbox.min(1), verts[1]);
bbox.min(2) = std::min<coordf_t>(bbox.min(2), verts[2]);
bbox.max(0) = std::max<coordf_t>(bbox.max(0), verts[0]);
bbox.max(1) = std::max<coordf_t>(bbox.max(1), verts[1]);
bbox.max(2) = std::max<coordf_t>(bbox.max(2), verts[2]);
}
}
return bbox;
@ -192,10 +200,10 @@ private:
}
};
class GLTexture
class LayersTexture
{
public:
GLTexture() : width(0), height(0), levels(0), cells(0) {}
LayersTexture() : width(0), height(0), levels(0), cells(0) {}
// Texture data
std::vector<char> data;
@ -217,7 +225,7 @@ class GLVolume {
// ID of the shader used to render with the layer height texture
unsigned int shader_id;
// The print object to update when generating the layer height texture
PrintObject* print_object;
const PrintObject* print_object;
float z_cursor_relative;
float edit_band_width;
@ -233,7 +241,7 @@ class GLVolume {
edit_band_width = 0.0f;
}
bool can_use() { return (texture_id > 0) && (shader_id > 0) && (print_object != nullptr); }
bool can_use() const { return (texture_id > 0) && (shader_id > 0) && (print_object != nullptr); }
};
public:
@ -242,41 +250,35 @@ public:
static const float OUTSIDE_COLOR[4];
static const float SELECTED_OUTSIDE_COLOR[4];
GLVolume(float r = 1.f, float g = 1.f, float b = 1.f, float a = 1.f) :
composite_id(-1),
select_group_id(-1),
drag_group_id(-1),
selected(false),
is_active(true),
zoom_to_volumes(true),
outside_printer_detection_enabled(true),
is_outside(false),
hover(false),
tverts_range(0, size_t(-1)),
qverts_range(0, size_t(-1))
{
color[0] = r;
color[1] = g;
color[2] = b;
color[3] = a;
set_render_color(r, g, b, a);
}
GLVolume(float r = 1.f, float g = 1.f, float b = 1.f, float a = 1.f);
GLVolume(const float *rgba) : GLVolume(rgba[0], rgba[1], rgba[2], rgba[3]) {}
std::vector<int> load_object(
const ModelObject *model_object,
const std::vector<int> &instance_idxs,
const std::string &color_by,
const std::string &select_by,
const std::string &drag_by);
private:
// Offset of the volume to be rendered.
Vec3d m_offset;
// Rotation around Z axis of the volume to be rendered.
double m_rotation;
// Scale factor of the volume to be rendered.
double m_scaling_factor;
// World matrix of the volume to be rendered.
mutable Transform3f m_world_matrix;
// Whether or not is needed to recalculate the world matrix.
mutable bool m_world_matrix_dirty;
// Bounding box of this volume, in unscaled coordinates.
mutable BoundingBoxf3 m_transformed_bounding_box;
// Whether or not is needed to recalculate the transformed bounding box.
mutable bool m_transformed_bounding_box_dirty;
// Pointer to convex hull of the original mesh, if any.
const TriangleMesh* m_convex_hull;
// Bounding box of this volume, in unscaled coordinates.
mutable BoundingBoxf3 m_transformed_convex_hull_bounding_box;
// Whether or not is needed to recalculate the transformed convex hull bounding box.
mutable bool m_transformed_convex_hull_bounding_box_dirty;
int load_wipe_tower_preview(
int obj_idx, float pos_x, float pos_y, float width, float depth, float height, bool use_VBOs);
public:
// Bounding box of this volume, in unscaled coordinates.
BoundingBoxf3 bounding_box;
// Offset of the volume to be rendered.
Pointf3 origin;
// Color of the triangles / quads held by this volume.
float color[4];
// Color used to render this volume.
@ -287,18 +289,26 @@ public:
int select_group_id;
// An ID for group dragging. It may be the same for all meshes of all object instances, or for just a single object instance.
int drag_group_id;
// An ID containing the extruder ID (used to select color).
int extruder_id;
// Is this object selected?
bool selected;
// Whether or not this volume is active for rendering
bool is_active;
// Whether or not to use this volume when applying zoom_to_volumes()
bool zoom_to_volumes;
// Wheter or not this volume is enabled for outside print volume detection.
bool outside_printer_detection_enabled;
// Wheter or not this volume is enabled for outside print volume detection in shader.
bool shader_outside_printer_detection_enabled;
// Wheter or not this volume is outside print volume.
bool is_outside;
// Boolean: Is mouse over this object?
bool hover;
// Wheter or not this volume has been generated from a modifier
bool is_modifier;
// Wheter or not this volume has been generated from the wipe tower
bool is_wipe_tower;
// Wheter or not this volume has been generated from an extrusion path
bool is_extrusion_path;
// Interleaved triangles & normals with indexed triangles & quads.
GLIndexedVertexArray indexed_vertex_array;
@ -317,10 +327,26 @@ public:
// Sets render color in dependence of current state
void set_render_color();
double get_rotation();
void set_rotation(double rotation);
const Vec3d& get_offset() const;
void set_offset(const Vec3d& offset);
void set_scaling_factor(double factor);
void set_convex_hull(const TriangleMesh& convex_hull);
void set_select_group_id(const std::string& select_by);
void set_drag_group_id(const std::string& drag_by);
int object_idx() const { return this->composite_id / 1000000; }
int volume_idx() const { return (this->composite_id / 1000) % 1000; }
int instance_idx() const { return this->composite_id % 1000; }
BoundingBoxf3 transformed_bounding_box() const { BoundingBoxf3 bb = this->bounding_box; bb.translate(this->origin); return bb; }
const Transform3f& world_matrix() const;
const BoundingBoxf3& transformed_bounding_box() const;
const BoundingBoxf3& transformed_convex_hull_bounding_box() const;
bool empty() const { return this->indexed_vertex_array.empty(); }
bool indexed() const { return this->indexed_vertex_array.indexed(); }
@ -328,11 +354,14 @@ public:
void set_range(coordf_t low, coordf_t high);
void render() const;
void render_using_layer_height() const;
void render_VBOs(int color_id, int detection_id, int worldmatrix_id) const;
void render_legacy() const;
void finalize_geometry(bool use_VBOs) { this->indexed_vertex_array.finalize_geometry(use_VBOs); }
void release_geometry() { this->indexed_vertex_array.release_geometry(); }
/************************************************ Layer height texture ****************************************************/
std::shared_ptr<GLTexture> layer_height_texture;
std::shared_ptr<LayersTexture> layer_height_texture;
// Data to render this volume using the layer height texture
LayerHeightTextureData layer_height_texture_data;
@ -352,13 +381,10 @@ public:
return (layer_height_texture.get() == nullptr) ? 0 :
(void*)(layer_height_texture->data.data() + layer_height_texture->width * layer_height_texture->height * 4);
}
double layer_height_texture_z_to_row_id() const {
return (this->layer_height_texture.get() == nullptr) ? 0. :
double(this->layer_height_texture->cells - 1) / (double(this->layer_height_texture->width) * bounding_box.max.z);
}
void generate_layer_height_texture(PrintObject *print_object, bool force);
double layer_height_texture_z_to_row_id() const;
void generate_layer_height_texture(const PrintObject *print_object, bool force);
void set_layer_height_texture_data(unsigned int texture_id, unsigned int shader_id, PrintObject* print_object, float z_cursor_relative, float edit_band_width)
void set_layer_height_texture_data(unsigned int texture_id, unsigned int shader_id, const PrintObject* print_object, float z_cursor_relative, float edit_band_width)
{
layer_height_texture_data.texture_id = texture_id;
layer_height_texture_data.shader_id = shader_id;
@ -392,7 +418,7 @@ public:
bool use_VBOs);
int load_wipe_tower_preview(
int obj_idx, float pos_x, float pos_y, float width, float depth, float height, bool use_VBOs);
int obj_idx, float pos_x, float pos_y, float width, float depth, float height, float rotation_angle, bool use_VBOs, bool size_unknown, float brim_width);
// Render the volumes by OpenGL.
void render_VBOs() const;
@ -416,10 +442,18 @@ public:
print_box_max[0] = max_x; print_box_max[1] = max_y; print_box_max[2] = max_z;
}
void update_outside_state(const DynamicPrintConfig* config, bool all_inside);
// returns true if all the volumes are completely contained in the print volume
// returns the containment state in the given out_state, if non-null
bool check_outside_state(const DynamicPrintConfig* config, ModelInstance::EPrintVolumeState* out_state);
void reset_outside_state();
void update_colors_by_extruder(const DynamicPrintConfig* config);
void set_select_by(const std::string& select_by);
void set_drag_by(const std::string& drag_by);
// Returns a vector containing the sorted list of all the print_zs of the volumes contained in this collection
std::vector<double> get_current_print_zs() const;
std::vector<double> get_current_print_zs(bool active_only) const;
private:
GLVolumeCollection(const GLVolumeCollection &other);
@ -428,150 +462,139 @@ private:
class _3DScene
{
struct GCodePreviewVolumeIndex
{
enum EType
{
Extrusion,
Travel,
Retraction,
Unretraction,
Shell,
Num_Geometry_Types
};
struct FirstVolume
{
EType type;
unsigned int flag;
// Index of the first volume in a GLVolumeCollection.
unsigned int id;
FirstVolume(EType type, unsigned int flag, unsigned int id) : type(type), flag(flag), id(id) {}
};
std::vector<FirstVolume> first_volumes;
void reset() { first_volumes.clear(); }
};
static GCodePreviewVolumeIndex s_gcode_preview_volume_index;
class TextureBase
{
protected:
unsigned int m_tex_id;
unsigned int m_tex_width;
unsigned int m_tex_height;
// generate() fills in m_data with the pixels, while finalize() moves the data to the GPU before rendering.
std::vector<unsigned char> m_data;
public:
TextureBase() : m_tex_id(0), m_tex_width(0), m_tex_height(0) {}
virtual ~TextureBase() { _destroy_texture(); }
// If not loaded, load the texture data into the GPU. Return a texture ID or 0 if the texture has zero size.
unsigned int finalize();
unsigned int get_texture_id() const { return m_tex_id; }
unsigned int get_texture_width() const { return m_tex_width; }
unsigned int get_texture_height() const { return m_tex_height; }
void reset_texture() { _destroy_texture(); }
private:
void _destroy_texture();
};
class WarningTexture : public TextureBase
{
static const unsigned char Background_Color[3];
static const unsigned char Opacity;
public:
WarningTexture() : TextureBase() {}
// Generate a texture data, but don't load it into the GPU yet, as the glcontext may not be valid yet.
bool generate(const std::string& msg);
};
class LegendTexture : public TextureBase
{
static const unsigned int Px_Title_Offset = 5;
static const unsigned int Px_Text_Offset = 5;
static const unsigned int Px_Square = 20;
static const unsigned int Px_Square_Contour = 1;
static const unsigned int Px_Border = Px_Square / 2;
static const unsigned char Squares_Border_Color[3];
static const unsigned char Background_Color[3];
static const unsigned char Opacity;
public:
LegendTexture() : TextureBase() {}
// Generate a texture data, but don't load it into the GPU yet, as the glcontext may not be valid yet.
bool generate(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors);
};
static LegendTexture s_legend_texture;
static WarningTexture s_warning_texture;
static GUI::GLCanvas3DManager s_canvas_mgr;
public:
static void _glew_init();
static void init_gl();
static std::string get_gl_info(bool format_as_html, bool extensions);
static bool use_VBOs();
static void load_gcode_preview(const Print* print, const GCodePreviewData* preview_data, GLVolumeCollection* volumes, const std::vector<std::string>& str_tool_colors, bool use_VBOs);
static bool add_canvas(wxGLCanvas* canvas);
static bool remove_canvas(wxGLCanvas* canvas);
static void remove_all_canvases();
static unsigned int get_legend_texture_width();
static unsigned int get_legend_texture_height();
static bool init(wxGLCanvas* canvas);
static void set_as_dirty(wxGLCanvas* canvas);
static unsigned int get_volumes_count(wxGLCanvas* canvas);
static void reset_volumes(wxGLCanvas* canvas);
static void deselect_volumes(wxGLCanvas* canvas);
static void select_volume(wxGLCanvas* canvas, unsigned int id);
static void update_volumes_selection(wxGLCanvas* canvas, const std::vector<int>& selections);
static int check_volumes_outside_state(wxGLCanvas* canvas, const DynamicPrintConfig* config);
static bool move_volume_up(wxGLCanvas* canvas, unsigned int id);
static bool move_volume_down(wxGLCanvas* canvas, unsigned int id);
static void set_objects_selections(wxGLCanvas* canvas, const std::vector<int>& selections);
static void set_config(wxGLCanvas* canvas, DynamicPrintConfig* config);
static void set_print(wxGLCanvas* canvas, Print* print);
static void set_model(wxGLCanvas* canvas, Model* model);
static void set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape);
static void set_auto_bed_shape(wxGLCanvas* canvas);
static BoundingBoxf3 get_volumes_bounding_box(wxGLCanvas* canvas);
static void set_axes_length(wxGLCanvas* canvas, float length);
static void set_cutting_plane(wxGLCanvas* canvas, float z, const ExPolygons& polygons);
static void set_color_by(wxGLCanvas* canvas, const std::string& value);
static void set_select_by(wxGLCanvas* canvas, const std::string& value);
static void set_drag_by(wxGLCanvas* canvas, const std::string& value);
static std::string get_select_by(wxGLCanvas* canvas);
static bool is_layers_editing_enabled(wxGLCanvas* canvas);
static bool is_layers_editing_allowed(wxGLCanvas* canvas);
static bool is_shader_enabled(wxGLCanvas* canvas);
static bool is_reload_delayed(wxGLCanvas* canvas);
static void enable_layers_editing(wxGLCanvas* canvas, bool enable);
static void enable_warning_texture(wxGLCanvas* canvas, bool enable);
static void enable_legend_texture(wxGLCanvas* canvas, bool enable);
static void enable_picking(wxGLCanvas* canvas, bool enable);
static void enable_moving(wxGLCanvas* canvas, bool enable);
static void enable_gizmos(wxGLCanvas* canvas, bool enable);
static void enable_toolbar(wxGLCanvas* canvas, bool enable);
static void enable_shader(wxGLCanvas* canvas, bool enable);
static void enable_force_zoom_to_bed(wxGLCanvas* canvas, bool enable);
static void enable_dynamic_background(wxGLCanvas* canvas, bool enable);
static void allow_multisample(wxGLCanvas* canvas, bool allow);
static void enable_toolbar_item(wxGLCanvas* canvas, const std::string& name, bool enable);
static bool is_toolbar_item_pressed(wxGLCanvas* canvas, const std::string& name);
static void zoom_to_bed(wxGLCanvas* canvas);
static void zoom_to_volumes(wxGLCanvas* canvas);
static void select_view(wxGLCanvas* canvas, const std::string& direction);
static void set_viewport_from_scene(wxGLCanvas* canvas, wxGLCanvas* other);
static void update_volumes_colors_by_extruder(wxGLCanvas* canvas);
static void update_gizmos_data(wxGLCanvas* canvas);
static void render(wxGLCanvas* canvas);
static std::vector<double> get_current_print_zs(wxGLCanvas* canvas, bool active_only);
static void set_toolpaths_range(wxGLCanvas* canvas, double low, double high);
static void register_on_viewport_changed_callback(wxGLCanvas* canvas, void* callback);
static void register_on_double_click_callback(wxGLCanvas* canvas, void* callback);
static void register_on_right_click_callback(wxGLCanvas* canvas, void* callback);
static void register_on_select_object_callback(wxGLCanvas* canvas, void* callback);
static void register_on_model_update_callback(wxGLCanvas* canvas, void* callback);
static void register_on_remove_object_callback(wxGLCanvas* canvas, void* callback);
static void register_on_arrange_callback(wxGLCanvas* canvas, void* callback);
static void register_on_rotate_object_left_callback(wxGLCanvas* canvas, void* callback);
static void register_on_rotate_object_right_callback(wxGLCanvas* canvas, void* callback);
static void register_on_scale_object_uniformly_callback(wxGLCanvas* canvas, void* callback);
static void register_on_increase_objects_callback(wxGLCanvas* canvas, void* callback);
static void register_on_decrease_objects_callback(wxGLCanvas* canvas, void* callback);
static void register_on_instance_moved_callback(wxGLCanvas* canvas, void* callback);
static void register_on_wipe_tower_moved_callback(wxGLCanvas* canvas, void* callback);
static void register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback);
static void register_on_gizmo_scale_uniformly_callback(wxGLCanvas* canvas, void* callback);
static void register_on_gizmo_rotate_callback(wxGLCanvas* canvas, void* callback);
static void register_on_gizmo_flatten_callback(wxGLCanvas* canvas, void* callback);
static void register_on_update_geometry_info_callback(wxGLCanvas* canvas, void* callback);
static void register_action_add_callback(wxGLCanvas* canvas, void* callback);
static void register_action_delete_callback(wxGLCanvas* canvas, void* callback);
static void register_action_deleteall_callback(wxGLCanvas* canvas, void* callback);
static void register_action_arrange_callback(wxGLCanvas* canvas, void* callback);
static void register_action_more_callback(wxGLCanvas* canvas, void* callback);
static void register_action_fewer_callback(wxGLCanvas* canvas, void* callback);
static void register_action_split_callback(wxGLCanvas* canvas, void* callback);
static void register_action_cut_callback(wxGLCanvas* canvas, void* callback);
static void register_action_settings_callback(wxGLCanvas* canvas, void* callback);
static void register_action_layersediting_callback(wxGLCanvas* canvas, void* callback);
static void register_action_selectbyparts_callback(wxGLCanvas* canvas, void* callback);
static std::vector<int> load_object(wxGLCanvas* canvas, const ModelObject* model_object, int obj_idx, std::vector<int> instance_idxs);
static std::vector<int> load_object(wxGLCanvas* canvas, const Model* model, int obj_idx);
static int get_first_volume_id(wxGLCanvas* canvas, int obj_idx);
static void reload_scene(wxGLCanvas* canvas, bool force);
static void load_gcode_preview(wxGLCanvas* canvas, const GCodePreviewData* preview_data, const std::vector<std::string>& str_tool_colors);
static void load_preview(wxGLCanvas* canvas, const std::vector<std::string>& str_tool_colors);
static void reset_legend_texture();
static unsigned int finalize_legend_texture();
static unsigned int get_warning_texture_width();
static unsigned int get_warning_texture_height();
// generates a warning texture containing the given message
static void generate_warning_texture(const std::string& msg);
static void reset_warning_texture();
static unsigned int finalize_warning_texture();
static void _load_print_toolpaths(
const Print *print,
GLVolumeCollection *volumes,
const std::vector<std::string> &tool_colors,
bool use_VBOs);
static void _load_print_object_toolpaths(
const PrintObject *print_object,
GLVolumeCollection *volumes,
const std::vector<std::string> &tool_colors,
bool use_VBOs);
static void _load_wipe_tower_toolpaths(
const Print *print,
GLVolumeCollection *volumes,
const std::vector<std::string> &tool_colors_str,
bool use_VBOs);
private:
// generates gcode extrusion paths geometry
static void _load_gcode_extrusion_paths(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, const std::vector<float>& tool_colors, bool use_VBOs);
// generates gcode travel paths geometry
static void _load_gcode_travel_paths(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, const std::vector<float>& tool_colors, bool use_VBOs);
static bool _travel_paths_by_type(const GCodePreviewData& preview_data, GLVolumeCollection& volumes);
static bool _travel_paths_by_feedrate(const GCodePreviewData& preview_data, GLVolumeCollection& volumes);
static bool _travel_paths_by_tool(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, const std::vector<float>& tool_colors);
// generates gcode retractions geometry
static void _load_gcode_retractions(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, bool use_VBOs);
// generates gcode unretractions geometry
static void _load_gcode_unretractions(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, bool use_VBOs);
// sets gcode geometry visibility according to user selection
static void _update_gcode_volumes_visibility(const GCodePreviewData& preview_data, GLVolumeCollection& volumes);
// generates the legend texture in dependence of the current shown view type
static void _generate_legend_texture(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors);
// generates objects and wipe tower geometry
static void _load_shells(const Print& print, GLVolumeCollection& volumes, bool use_VBOs);
static void thick_lines_to_verts(const Lines& lines, const std::vector<double>& widths, const std::vector<double>& heights, bool closed, double top_z, GLVolume& volume);
static void thick_lines_to_verts(const Lines3& lines, const std::vector<double>& widths, const std::vector<double>& heights, bool closed, GLVolume& volume);
static void extrusionentity_to_verts(const ExtrusionPath& extrusion_path, float print_z, GLVolume& volume);
static void extrusionentity_to_verts(const ExtrusionPath& extrusion_path, float print_z, const Point& copy, GLVolume& volume);
static void extrusionentity_to_verts(const ExtrusionLoop& extrusion_loop, float print_z, const Point& copy, GLVolume& volume);
static void extrusionentity_to_verts(const ExtrusionMultiPath& extrusion_multi_path, float print_z, const Point& copy, GLVolume& volume);
static void extrusionentity_to_verts(const ExtrusionEntityCollection& extrusion_entity_collection, float print_z, const Point& copy, GLVolume& volume);
static void extrusionentity_to_verts(const ExtrusionEntity* extrusion_entity, float print_z, const Point& copy, GLVolume& volume);
static void polyline3_to_verts(const Polyline3& polyline, double width, double height, GLVolume& volume);
static void point3_to_verts(const Vec3crd& point, double width, double height, GLVolume& volume);
};
}