def build_map_from_ascii(self, ascii_file):
map = Map()
map.n_cols = int(ascii_file.readline().replace('ncols',
'').replace('\n', ''))
map.n_rows = int(ascii_file.readline().replace('nrows',
'').replace('\n', ''))
map.xll_corner = float(ascii_file.readline().replace('xllcorner',
'').replace(
'\n', ''))
map.yll_corner = float(ascii_file.readline().replace('yllcorner',
'').replace(
'\n', ''))
map.cell_size = int(ascii_file.readline().replace('cellsize',
'').replace(
'\n', ''))
map.no_data_value = int(ascii_file.readline().replace(
'NODATA_value', '').replace('\n', ''))
#
map.matrix = []
for i in range(map.n_rows):
line_str = ascii_file.readline()
line_list = line_str.split(' ')
line_list = line_list[:len(line_list) - 1]
for j in range(len(line_list)):
line_list[j] = float(line_list[j])
if len(line_list) > map.n_cols:
line_list = line_list[:map.n_cols]
elif len(line_list) < map.n_cols:
for j in range(map.n_cols - len(line_list)):
line_list.append(map.no_data_value)
map.matrix.append(line_list)
return map
