The program activates the mouse, and expects the user to indicate the location(s) to be queried by depressing a mouse button over desired location(s) within the current geographic region in the active display frame on the graphic monitor. Query results from map(s) are by default displayed in a new monitor, where label values can be added or changed. Using parameter -x informations will be displayed as plain text to terminal window.
Displays the roads vector map layer on the graphics monitor.
After typing this, the user moves the mouse to a desired location on the displayed roads map layer, and presses the left mouse button to query the category value of the roads and the geology vector map at this location. The program then outputs the category value of a line type corresponding to this user-selected map location, for the vector map queried by the user.
The query may be repeated as often as desired using the left mouse button. The middle mouse button toggles the flash color. The right button on the mouse is used to quit the d.what.vect session.
Last changed: $Date: 2006/11/02 08:53:36 $
Main index - display index - Full index