示例#1
0
        public Boolean insert(String tp1, String tp2)
        {
            try
            {
                // Get the end placemark of the 1st trip  and the start placemark of the second trip
                IKmlPlacemark tp1fn = t_pool.getFinish(t_pool.getByName(tp1));
                IKmlPlacemark tp2st = t_pool.getStart(t_pool.getByName(tp2));

                //create a place mark to store the new place mark

                IKmlPlacemark start  = ge.createPlacemark("");
                IKmlPlacemark finish = ge.createPlacemark("");

                start.setName(tp1fn.getName());
                finish.setName(tp2st.getName());

                IKmlPoint sp = ge.createPoint("");
                IKmlPoint fp = ge.createPoint("");

                IKmlPlacemark _temp = ge.createPlacemark("");

                IKmlLineString temp = ge.createLineString("");

                // Retrieve the coordinates of the two trips
                Hashtable cds1 = Module.getCoordinates(tp1fn);
                Hashtable cds2 = Module.getCoordinates(tp2st);

                sp.setLatLng((double)cds1["lat"], (double)cds1["lon"]);
                start.setGeometry(sp);
                fp.setLatLng((double)cds2["lat"], (double)cds2["lon"]);
                finish.setGeometry(fp);

                String color = randomCol();

                IKmlStyleMap sm        = ge.createStyleMap("");
                IKmlStyle    normal    = mkStyle(color, @"http://maps.google.com/mapfiles/kml/paddle/wht-blank.png", (float)0.3);
                IKmlStyle    highlight = mkStyle(color, @"http://maps.google.com/mapfiles/kml/paddle/wht-blank.png", (float)0.4);
                sm.setNormalStyle(normal);
                sm.setHighlightStyle(highlight);
                start.setStyleSelector(sm);
                finish.setStyleSelector(sm);

                temp.getCoordinates().pushLatLngAlt((double)cds1["lat"], (double)cds1["lon"], 0);
                temp.getCoordinates().pushLatLngAlt((double)cds2["lat"], (double)cds2["lon"], 0);
                _temp.setGeometry(temp);

                IKmlStyle sty = ge.createStyle("");
                sty.getLineStyle().setWidth((float)4);
                sty.getLineStyle().getColor().set(color);

                _temp.setStyleSelector(sty);

                //create a new KML folder for the new trip  and append the tmp features of the previous trip
                IKmlFolder temp1 = ge.createFolder("");

                temp1.getFeatures().appendChild(start);
                temp1.getFeatures().appendChild(_temp);
                temp1.getFeatures().appendChild(finish);

                String[] attributes = new String[14];

                //Add the new trip to the trip pools
                t_pool.add(tp2, temp1, attributes);
                ge.getFeatures().appendChild(temp1);

                // record the insert action for undo action
                record.ins_trip(tp2);


                return(true);
            }
            catch
            {
                return(false);
            }
        }