docs: def getAsGrassAsciiRaster(self, tableName, rasterId=1, rasterIdFieldName='id', rasterFieldName='raster', newSRID=None):
          """
          Returns a string representation of the raster in GRASS ASCII raster format.
          """
          # Get raster in ArcInfo Grid format
          arcInfoGrid = self.getAsGdalRaster(rasterFieldName, tableName, rasterIdFieldName, rasterId, 'AAIGrid', newSRID).splitlines()
  
          ## Convert arcInfoGrid to GRASS ASCII format ##
          # Get values from header which look something this:
          # ncols        67
          # nrows        55
          # xllcorner    425802.32143212341
          # yllcorner    44091450.41551345213
          # cellsize     90.0000000
          # ...
          nCols = int(arcInfoGrid[0].split()[1])
          nRows = int(arcInfoGrid[1].split()[1])
          xLLCorner = float(arcInfoGrid[2].split()[1])
          yLLCorner = float(arcInfoGrid[3].split()[1])
          cellSize = float(arcInfoGrid[4].split()[1])
  
          # Remove old headers
          for i in range(0, 5):
              arcInfoGrid.pop(0)
  
          # Check for NODATA_value row and remove if it is there
          if 'NODATA_value' in arcInfoGrid[0]:
              arcInfoGrid.pop(0)
  
          ## Calculate values for GRASS ASCII headers ##
          # These should look like this:
          # north: 4501028.972140
          # south: 4494548.972140
          # east: 460348.288604
          # west: 454318.288604
          # rows: 72
          # cols: 67
          # ...
  
          # xLLCorner and yLLCorner represent the coordinates for the Lower Left corner of the raster
          north = yLLCorner + (cellSize * nRows)
          south = yLLCorner
          east = xLLCorner + (cellSize * nCols)
          west = xLLCorner
  
          # Create header Lines (the first shall be last and the last shall be first)
          grassHeader = ['cols: %s' % nCols,
                         'rows: %s' % nRows,
                         'west: %s' % west,
                         'east: %s' % east,
                         'south: %s' % south,
                         'north: %s' % north]
  
          # Insert grass headers into the grid
          for header in grassHeader:
              arcInfoGrid.insert(0, header)
  
          # Create string
          arcInfoGridString = '\n'.join(arcInfoGrid)
          return arcInfoGridString