i remember as if we wrote something like that some years back, not sure it fits what you are looking for: https://github.com/IsantePlus/openmrs-module-isanteplus/blob/master/omod/src/main/webapp/fragments/cdcGrowthCharts.gsp, https://github.com/IsantePlus/openmrs-module-isanteplus/blob/master/omod/src/main/webapp/fragments/whoGrowthCharts.gsp, https://github.com/IsantePlus/openmrs-module-isanteplus/blob/master/omod/src/main/webapp/pages/growthCharts.gsp