public boolean loadPixelMappingsFromResource(String resourceName) {
        boolean isSuccessful = false;
        
        if (pixelMap.size() == 0) {
            // Attempt to read the data from the file
            InputStream resourceStream = Thread.currentThread().
                                         getContextClassLoader().
                                         getResourceAsStream(resourceName);
            
            if (resourceStream != null) {
                try {
                    Scanner fileInput = new Scanner(resourceStream);
                    
                    // Read each line of the file. Each line represents a vertex
                    // and its associated pixel
                    String line;
                    while (fileInput.hasNextLine()) {
                    
                        line = fileInput.nextLine();
                        
                        String split[] = line.split(",");
                        
                        // Create a new point
                        Point point = new Point();
                        
                        // Create the list of neighbors of the node if the node
                        // has neighbors
                        if (split.length == 3) {
                            point.x = Integer.parseInt(split[1]);
                            point.y = Integer.parseInt(split[2]);
                        }
                        
                        // Extract the coordinate of the node from the node name
                        // and add the node to the set of nodes
                        Coordinate coord = new Coordinate(split[0]);
                        pixelMap.put(coord.normalizeCoordinate(), point);
                    }
                    
                    fileInput.close();
                    
                    
                    isSuccessful = true;
                    
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        } else {
            isSuccessful = true;
        }
        
        return isSuccessful;
    }