This map has always been broken. This variant makes it slightly less broken (although something changed on the ceiling might prevent hiding on pixels on the slope). What will finally fix it is either moving nets closer together or adding angle bounce to hedgehogs or some other layout that prevents hiding.
//
// NSWorkspace_RBAdditions.h
// PathProps
//
// Created by Rainer Brockerhoff on 10/04/2007.
// Copyright 2007 Rainer Brockerhoff. All rights reserved.
//
#import <Cocoa/Cocoa.h>
extern NSString* NSWorkspace_RBfstypename;
extern NSString* NSWorkspace_RBmntonname;
extern NSString* NSWorkspace_RBmntfromname;
extern NSString* NSWorkspace_RBdeviceinfo;
extern NSString* NSWorkspace_RBimagefilepath;
extern NSString* NSWorkspace_RBconnectiontype;
extern NSString* NSWorkspace_RBpartitionscheme;
extern NSString* NSWorkspace_RBserverURL;
@interface NSWorkspace (NSWorkspace_RBAdditions)
// This method will return nil if the input path is invalid. Otherwise, the returned NSDictionary may contain
// the following keys:
//- NSWorkspace_RBfstypename: will always be present.Shows the filesystem type (usually "hfs"), from statfs.
//- NSWorkspace_RBmntonname: will always be present. Shows the volume mount point.
//- NSWorkspace_RBmntfromname: will always be present. Shows the BSD device path for local volumes; info for
// remote volumes depends on the filesystem type.
//- NSWorkspace_RBconnectiontype: should always be present for local volumes. Shows the connection type ("SATA", "USB", etc.).
//- NSWorkspace_RBpartitionscheme: should always be present for local volumes. Shows the partition scheme.
//- NSWorkspace_RBdeviceinfo: should always be present for local volumes. Shows some information about the
// physical device; varies widely.
//- NSWorkspace_RBimagefilepath: should be present for disk images only. Shows the path of the disk image file.
//- NSWorkspace_RBserverURL: should be present for remote volumes only. Shows the server URL.
- (NSDictionary*)propertiesForPath:(NSString*)path;
@end