@Override public GridCoordinates2D findIndexOf(HorizontalPosition position) { int x; int y; if (GISUtils.crsMatch(position.getCoordinateReferenceSystem(), crs)) { x = xAxis.findIndexOf(position.getX()); y = yAxis.findIndexOf(position.getY()); } else { HorizontalPosition gridPos = GISUtils.transformPosition(position, crs); x = xAxis.findIndexOf(gridPos.getX()); y = yAxis.findIndexOf(gridPos.getY()); } if (x >= 0 && y >= 0) { return new GridCoordinates2D(x, y); } else { return null; } }