private void CreateReachabilityPatch(GraphPatch graphPatch) { GridData grid = new GridData(graphPatch.grid, false); grid.InitGridValues(); grid.minValue = 0; grid.maxValue = traveTimeSlider.value * travelTimeScale; grid.minFilter = grid.maxFilter = 0; grid.metadata = null; reachabilityPatch = reachabilityLayer.CreateGridPatch(graphPatch.GetSiteName(), graphPatch.Level, DateTime.Now.Year, grid); dataLayers.UpdateLayer(reachabilityLayer); }