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main.cpp (inittialization() application.cpp, here we check memory…

- - - - double(shots_T_mean[3], shots_T_deviation[3], max_dev), size_t finite_shots_count {mean and variance of the cameras' positions}
      - {for inspection mode}, double T[3] {user camera position in spcae}, double R[3], {user camera orientation (radians)}, double point_of_focus[3], {position of the point on which user camera is focused}
      - {inspection mode - orientation using gorund plane}, bool ground_mode {ground inspection is on/off}, double *ground {homogeneous coordinates of ground plane(inhomogeneous part, i.e. first 3 values)}
      - More ground variables
  - - - Image_Loader_Request contains, bool set, size_t shot_id; Image_Loader_Quality quality, Image_loader_content content. double (x,y,sx,sy), bool done, Image_loader_Quality current_quality, GLuint gl_texture_id, Image_loader_quality gl_texture_quality, double(gl_texture_min_x, gl_texture_min_y, gl_texture:max_x, gl_texture_max_y, IplImage *image)
      - Image_Loader_Shot cointains, bool set, bool suggested, const chat filename, int(width, height), IplImage full, GLuint full_texture, int (full_counter, full_unprocessed_counter), IplImage * low , GLuint low_texture, int (low_counter, low_unprocessed_counter)
  - - - struct GUI_Context contains const SDL_VideoInfo video_info; SDL_Surface surface; int video_flags; int (width,height), double (px,py), char title[256] GUI_Panel root_panel; GUI_Panel * panels[GUI_MAXPANELS], size t panels_count; GUI_Event_Descriptor event_queue[GUI_EVENT_QUEUE_LENGTH], size_t (event_queue_top, event_queue_bottom) , CvFont font;
  - - - dyn_initialize(structure_name *dynamic_structure) dynamic_structure -> allocated = 0; dynamic_structure->count = 0; dynamic_structure->data = null;
      - The dynamic structure is valid for Indices, Double indices, Selected _items, Points, Vertrices, Vertices_indices, Polygons_3d, Contours, Shots, Shot_pairs, Shot_relations, Calibrations_points_meta, Calibration_fundamental_matrices, Calibration_cameras, Calibration_vertices, Calibrations.
  - - - tool_matching_create()
        
        tool_register_enum(MATCHING_RESOLUTION)
        
        tool_register_real(MATCHING_IMAGE_MEASUREMENT_THRESHOLD)
        
        tool_create_tab ("Matching")
        
        tool_register_real(MATCHING_SIMILARITY_THRESHOLD)
        
        tool_register_menu_function("Main menu|Matching|Start matching|")
        
        tool_register_enum(MATCHING_TOPOLOGY)
        
        tool_create()
        
        tool_register_bool(MATCHING_F_RANSAC)
        
        tool_register_bool(MATCHING_INCLUDE_UNVERIFIED)
        
        tool_register_bool(MATCHING_SKIP_FEATURE_EXTRACTION)
        
        tool_create_separator()
        
        tool_create_label("For linear sequences:")
        
        tool_register_int(MATCHING_NEIGHBOURS)
        
        tool_create_button("Start matching")
      - tool_calibration_create()
      - tool_polygons_create()
      - tool_resection_create()
      - tool_points_create()
      - tool_triangulation_create()
      - tool_selection_create()
      - tool_coordinates_create()
      - tool_edit_create() add edit menu items mode (overview, inspection, shot) select (points on current shot, reconstructed points, add corresponding points, All points), deselect all, erase selected points, erase current polygon, erease all vertices and points
      - tool_image_create()
      - tool_file_create() tool_file.cpp uses tool_register_menu_function in a very intuitive way, pretty cool
        
        tool_file_import_pointcloud
        
        tool_file_export_vrml
        
        tool_file_import_points
        
        tool_file_export_sandy3d
        
        tool_file_import_realviz_project
        
        tool_file_export_realviz_project
        
        tool_file_add_image() tool_file.cpp
        
        geometry_loader_add_shot()
        
        ui_list_update()
        
        tool_choose_file()
        
        ui_workflow_default_shot()
        
        tool_file_export_cameras
        
        tool_file_add_list_of_images() tool_file.cpp
        
        ui_list_update()
        
        ui_workflow_default_shot()
        
        geometry_loader_ifl(filename) geometry_loader.cpp load IFL file (image file list)
        
        interface_filesystem_is_relative()
        
        interface_filesystem_compare_filenames()
        
        interface_filesystem_dirpath()
        
        geometry_loader_add_shot() geometry_loder.cpp obtain id for the new shot and fill in what we know about the image (which is just it's filename) shots.data + shot_id -> image_filename
        
        geometry_new_shot(size_t &shot) shot = shots.count, DYN(shots,shot)
        
        tool_file_export_pointcloud
        
        tool_file_save_project()
        
        tool_choose_new_file() tool_core.cpp
        
        geometry_save() geometry_export.cpp
        
        tool_file_quit
        
        tool_file_open_project () tool_file.cpp chose file to filename, delete everything old,
        
        ui_list_update()
        
        ui_workflow_default_show()
        
        geometry_load_project(filename) geomtry_loader.cpp
        
        visualization_process_data()
        
        tool_file_new() tool_file.cpp memset shots.data.image_loader_requests to zero
        
        ui_prepare_for_deletion(true,true,true,true,true) ui_core.cpp. clears points vertices, polygons, shots, calibrations
        
        ui_empty_selection_list() ui_selection.cpp, removes selctions from selected points and vertices.
        
        image_loader_cancel_all_requests() release all image_loader_requests and image_loader_shots reset counters to zero
        
        ui_list_update() currently doesn't do anything
        
        geometry_releasse() release all allocated structures holding geometric data. all shots, all polygons, all calibrations, all vertices_incidence, all calibrations again?, ....
        
        ui_workflow_default_shot() set current shot to default value (if needed), this function is called after any modfication to the image sequence, addition or removal of images
      - tool_finalize()
      - tool_register_menu_void("Main menu|") - tool_add_menu_item() tool_core.cpp , finalized check, asserts the input string, adds a menu item struct and initialize the parameters
    - - Tool_State struct contains GUI_Panel *application_menu, Tool tools[100], size_t (current, count), Tool_Menu_Items menu_items, bool finalized, bool progressbar_show, double progressbar_percentage
        
        GUI_Panel struct contains
        
        bool focus, disabled
        
        GUI_Event (on_focus, on_unfocus, on_mousemove, on_mousedown, on_mousedownout, on_mouseup, on_menuitemaction, on_buttonaction)
        
        bool (hidden,effectively_hidden)
        
        event meta info
        
        int (width, height)
        
        int (x1,y1,x2,y2) computed coordinates - the region taken by the panel
        
        GUI_Positioner positioner
        
        int (effective_x1, effective_y1, effective_x2, effective_y2) computed coordinates - after taking account for the margins
        
        GUI_Panel (parent,sibling)
        
        int (margin_top,margin_bottom, margin_left, margin_right) margins
        
        GUI_Panel *original
        
        GUI_Render on_render, bool on render_is internal,
        
        const char * debugging_title
        
        int i, double d; void *p data controlled by the UI element
        
        const char caption, IplImage caption_image, int (caption_width, caption_height), GLuint caption_texture_id
        
        GUI_Panel tab_complement, tab_sibling, *tab_container
        
        GUI_Menu_Type menu_type, GUI_Panel menu_first_child, menu_sibling, *menu_parent
        
        GUI_GLView_Render glview_render
  - - - image_loader_free_full() release one of the unused images
      - cvLoadImage()
      - image_loader_resolve_request(i) resolve requests that can be done right away
- - - - gui_rendering_thread_function() gui.cpp