- int[] fouralts = {inHeights[idx1], inHeights[idx1+1], inHeights[idx1-inRowSize], inHeights[idx1-inRowSize+1]};
- int numVoids = (fouralts[0]==VOID_VAL?1:0) + (fouralts[1]==VOID_VAL?1:0)
- + (fouralts[2]==VOID_VAL?1:0) + (fouralts[3]==VOID_VAL?1:0);
- // if (numVoids > 0) System.out.println(numVoids + " voids found");
- double altitude = 0.0;
- switch (numVoids)
- {
- case 0: altitude = bilinearInterpolate(fouralts, x, y); break;
- case 1: altitude = bilinearInterpolate(fixVoid(fouralts), x, y); break;
- case 2:
- case 3: altitude = averageNonVoid(fouralts); break;
- default: altitude = VOID_VAL;
- }
- // Special case for terrain tracks, don't interpolate voids yet
- if (!_normalTrack && numVoids > 0) {
- altitude = VOID_VAL;
- }
- if (altitude != VOID_VAL)
- {
- point.setFieldValue(Field.ALTITUDE, ""+altitude, false);
- // depending on settings, this value may have been added as feet, we need to force metres
- point.getAltitude().reset(new Altitude((int)altitude, UnitSetLibrary.UNITS_METRES));
- numAltitudesFound++;
- }
+ case 0: altitude = bilinearInterpolate(fouralts, x, y); break;
+ case 1: altitude = bilinearInterpolate(fixVoid(fouralts), x, y); break;
+ case 2:
+ case 3: altitude = averageNonVoid(fouralts); break;
+ default: altitude = VOID_VAL;