Met de volgende link werkt AHN4 maaiveld hillshade nu in JOSM (vergelijkbaar met AHN3 maaiveld hillshade):
https://ahn.arcgisonline.nl/arcgis/rest/services/AHNviewer/AHN4_DTM_50cm/ImageServer/exportImage?f=image&renderingRule=%7B%22rasterFunction%22:%22Stretch%22,%22rasterFunctionArguments%22:%7B%22StretchType%22:6,%22Statistics%22:%5B%5D,%22DRA%22:true,%22UseGamma%22:true,%22Gamma%22:%5B1%5D,%22ComputeGamma%22:false,%22MinPercent%22:2,%22MaxPercent%22:2,%22Raster%22:%7B%22rasterFunction%22:%22Hillshade%22%7D%7D,%22variableName%22:%22Raster%22,%22outputPixelType%22:%22U8%22%7D&bboxSR=3857&imageSR=3857&format=jpgpng&bbox={bbox}&size={width},{height}