minor

function Av_func(mark,pars){

var theLastMovedMarker = null;

function x3dom_delta_markers(){

  // what's the last dragged marker? (over map?)

  // see leaflet_init.js

  var index = theLastMovedMarker;

  var marker = Data.markers[index];

  console.log(marker);

  var Camera = Map.marker;

  // calling this function

  Av_f({

      map: { lat: marker.latitude, lng: marker.longitude, alt: marker.altitude},

      model: {x: marker.x, y: marker.y, z: marker.z}

    },

    {

      lat:     Data.camera.kml.latitude,

      lng:     Data.camera.kml.longitude,

      alt:     Data.camera.kml.altitude,

      heading: Data.camera.kml.heading,

      tilt:    Data.camera.kml.tilt,

      roll:    Data.camera.kml.roll

    }

  );

  /*

  var e1_c = new x3dom.fields.SFVec3f(marker.x,marker.y,marker.z);

  x3dom_draw_line("x0","red",   e1_c, e1_c.add(new x3dom.fields.SFVec3f(50, 0, 0)));

  x3dom_draw_line("y0","green", e1_c, e1_c.add(new x3dom.fields.SFVec3f( 0,50, 0)));

  x3dom_draw_line("z0","blue",  e1_c, e1_c.add(new x3dom.fields.SFVec3f( 0, 0,50)));

  x3dom_draw_line("x1","red",   new x3dom.fields.SFVec3f(0,0,0), new x3dom.fields.SFVec3f(50, 0, 0));

  x3dom_draw_line("y1","green", new x3dom.fields.SFVec3f(0,0,0), new x3dom.fields.SFVec3f( 0,50, 0));

  x3dom_draw_line("z1","blue",  new x3dom.fields.SFVec3f(0,0,0), new x3dom.fields.SFVec3f( 0, 0,50));

  */

  return 0;

}

function Av_f(mark,pars){

  /*

  /*

  // Is it correct? The direction seems right for close and far objects

  // Is it correct? The direction seems right for close and far objects

  //

  // return vector

  return Av;

}

var theLastMovedMarker = null;

function x3dom_delta_markers(){

  // what's the last dragged marker? (over map?)

  // see leaflet_init.js

  var index = theLastMovedMarker;

  var marker = Data.markers[index];

  console.log(marker);

  var Camera = Map.marker;

  // calling this function

  Av_func({

      map: { lat: marker.latitude, lng: marker.longitude, alt: marker.altitude},

      model: {x: marker.x, y: marker.y, z: marker.z}

    },

    {

      lat:     Data.camera.kml.latitude,

      lng:     Data.camera.kml.longitude,

      alt:     Data.camera.kml.altitude,

      heading: Data.camera.kml.heading,

      tilt:    Data.camera.kml.tilt,

      roll:    Data.camera.kml.roll

}

}

  );

  /*

function Av_df_dx(){

  var e1_c = new x3dom.fields.SFVec3f(marker.x,marker.y,marker.z);

  console.log("Welcome to dAv/dx");

  x3dom_draw_line("x0","red",   e1_c, e1_c.add(new x3dom.fields.SFVec3f(50, 0, 0)));

};

  x3dom_draw_line("y0","green", e1_c, e1_c.add(new x3dom.fields.SFVec3f( 0,50, 0)));

  x3dom_draw_line("z0","blue",  e1_c, e1_c.add(new x3dom.fields.SFVec3f( 0, 0,50)));

  x3dom_draw_line("x1","red",   new x3dom.fields.SFVec3f(0,0,0), new x3dom.fields.SFVec3f(50, 0, 0));

  x3dom_draw_line("y1","green", new x3dom.fields.SFVec3f(0,0,0), new x3dom.fields.SFVec3f( 0,50, 0));

  x3dom_draw_line("z1","blue",  new x3dom.fields.SFVec3f(0,0,0), new x3dom.fields.SFVec3f( 0, 0,50));

  */

  return 0;

}

/*

/*

 e is an object

 e is an object