Just using the node name is clearer, as it only depends on the node, and no longer on the linked files themselves. This also makes it easier to get compatible with HDRi nodes (as those files won't be named "{name}-{maptype}".
Just using the node name is clearer, as it only depends on the node, and no longer on the linked files themselves. This also makes it easier to get compatible with HDRi nodes (as those files won't be named "{name}-{maptype}".