API Functions:
cgpv.api.getMapViewer('map1').layer.setGeojsonSource('geojsonLYR1/blank.json', points1);
cgpv.api.getMapViewer('map1').layer.setGeojsonSource('geojsonLYR1/blank.json', points2);
cgpv.api.getMapViewer('map1').layer.setGeojsonSource('geojsonLYR1/blank.json', points3);