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