API Functions:
cgpv.api.maps.LYR1.layer.getGeoviewLayer('geojsonLYR1/blank.json').overrideGeojsonSource('geojsonLYR1/blank.json', points1)
cgpv.api.maps.LYR1.layer.getGeoviewLayer('geojsonLYR1/blank.json').overrideGeojsonSource('geojsonLYR1/blank.json', points2)
cgpv.api.maps.LYR1.layer.getGeoviewLayer('geojsonLYR1/blank.json').overrideGeojsonSource('geojsonLYR1/blank.json', points3)