OpenRail Designer Help Drawing Workflow Attach Tab References, Raster Images, Point Clouds, and Reality MeshRaster Manager Tools Actual Resolution (1:1) To Fit a Raster Image to Its Actual Resolution To Fit a Raster Image to Its Actual Resolution Select the Actual Resolution (1:1) tool ( Drawing > Attach > Raster ). Select the raster file with a data point, which also defines the required center of the view.