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()