                                                                query 
Chapter 9 Input Modes

query

    Activates the query mode for locating objects.

         query otype

    Sets the active mode to query.  The object of the query is determined by
    the argument otype.  Current maptype objects are the default.  Once in
    query mode, queries are made using the continue command.  When in query
    mode, the start or continue command will check for a nearby object (of the
    specified type on the specified level) and display information about it on
    the command portion of the screen.  This information includes the object
    number and the first two attributes.  For map objects (not level 32-95
    objects) it also displays the length/perimeter and area of the object.
    ___________________________________________________________________________
    Options/arguments:

         otype     Object type code, where:
                   0 = any node
                   1 = any segment
                   2 = any polygon
                   xx0 = imported node on level xx
                   xx1 = imported segment on level xx
                   xx2 = imported polygon on level xx
    ___________________________________________________________________________
    Example(s):

    To locate a polygon at a position identified as x=456 and y=777 (in
    currently displayed pixel units), enter:

         query 2
         continue 456 777
 
    To query a node on level 42 near location x=458, y=1121 enter:

         query 2
         start 456 1121
     
    Note that the actual x,y positions are usually automatically generated by
    positioning the mouse/screen cursor over the desired object and pressing
    the button which corresponds to the continue command.
    ___________________________________________________________________________
    See also:

              coord_type, crit_type
    ___________________________________________________________________________
