Option 1: In a 16bpc or 32bpc project apply RE:Map Displace, set Process Mode to Apply to Screen Coords and set Warp Amount to 0.0
Option 2: If you don’t have RE:Map, check the values in instructions above and replicate with solid layers and Ramp Effect. On Red layer you set Green and Blue to OFF and set Transfer mode to ADD over Green Layer where you set Red and Blue to OFF…
Now from experience in other renderers, you might get slightly higher sampling subpixel precision (when the object you use this one is stretched) if you use a larger map…
Pierre