GRASS Nviz Library

by GRASS Development Team

http://grass.osgeo.org

Introduction to Nviz Library

This library is build on GRASS openGL gsurf OGSF Library and serves as the interface for wxGUI Nviz extension and CLI-based Nviz module.

Functions

Initialization

• Nviz_color_from_str()

• Nviz_init_data()

• Nviz_set_bgcolor()

Viewport settings

• Nviz_change_exag()

• Nviz_get_exag()

• Nviz_get_exag_height()

• Nviz_init_view()

• Nviz_resize_window()

• Nviz_set_focus_map()

• Nviz_set_focus_state()

• Nviz_set_viewpoint_position()

• Nviz_set_viewpoint_height()

• Nviz_set_viewpoint_persp()

• Nviz_update_ranges()

Draw map objects

• Nviz_draw_all()

• Nviz_draw_all_surf()

• Nviz_draw_all_vect()

• Nviz_draw_quick()

Map objects manipulation

• Nviz_new_map_obj()

• Nviz_set_attr()

• Nviz_set_surface_attr_default()

• Nviz_set_vpoint_attr_default()

• Nviz_set_volume_attr_default()

• Nviz_unset_attr()

Lights settings

• Nviz_set_light_ambient()

• Nviz_set_light_bright()

• Nviz_set_light_color()

• Nviz_set_light_position()

• Nviz_init_light()

• Nviz_new_light()

Clip planes manipulation

• Nviz_draw_cplane()

• Nviz_new_cplane()

• Nviz_off_cplane()

Off-screen rendering

• Nviz_create_render_window()

• Nviz_destroy_render_window()

• Nviz_init_render_window()

• Nviz_make_current_render_window()

• Nviz_new_render_window()