Demo program Rubber Band Routing
(C)opyright AKB, 1988, John Hoefnagels

This program needs special hardware :

  - Processor : At least IBM AT (12 Mhz), Preferably 386 machine.
  - Video     : VGA or EGA
  - Mouse     : Fully Microsoft Mouse Compatible (Logitech, IBM)


Starting the program :

There is a file G.BAT available.

Syntax : GDIJK file_links file_nodes file_speed/color file_roads timefactor 
         scale_distance scale_coordinates file_initial_places


General : Left mouse-button is used for actions,
          Right mouse-button is for returning to command_line.




Commands :

Clear  : Redraw map as it originally was.

Zoom   : Zooming out with as result an area twice as large on the screen.

Window : Redraw a part of the map.

Route  : With left mouse-button picking a starting point.
         The shortest route to every other point in the network will be 
         calculated. The route to the point nearest to the mouse-cursor will
         be highlighted. On the command line you will see distance and driving
         time. 
         When the left mouse-button is pressed again, calculation will start at 
         that point, etc.
         Stopping with route by pressing right mouse-button.

Block  : Blocking or Deblocking links.
         Point with left mouse-button to a node. Until the left- or right 
         mouse-button is pressed you will see the link closest to the cursor in
         a different color. Blocked links will get a bright (yellow) color.

Place  : Find a place and putting it on the screen with left mouse button.

Coord  : Shows coordinates of current cursor position.      

IsoDist: } Isographs on distance or time.
IsoTime: }
           Point one node on the screen en press left mouse-button.
           If there is enough memory you can point as many nodes as you
           wish (multi-depot). With right mouse button the reult will be
           shown.
           If there is not enough memory the result of the single point
           will be shown at once.
           Clear the screen with right mouse-button 

           The different colors have the following meaning :

           Distance  0 - 25 - 50 - 100 - 200 - 300 - >300  Kilometer
           Time      0 - 15 - 30 -  60 - 120 - 180 - >180  Minutes
           
                 




