def testWatermaskOnlyReader(self):
z = 9
x = 769
y = 319
geodetic = GlobalGeodetic(True)
ter = TerrainTile()
[minx, miny, maxx, maxy] = geodetic.TileBounds(x, y, z)
ter.fromFile('forge/data/quantized-mesh/%s_%s_%s_watermask.terrain' %
(z, x, y),
minx,
miny,
maxx,
maxy,
hasWatermask=True)
self.assertEqual(len(ter.watermask), 256)
for row in ter.watermask:
self.assertEqual(len(row), 256)
for val in row:
self.assertTrue(val >= 0)
self.assertTrue(val <= 255)
ter.toFile(self.tmpfile)
ter2 = TerrainTile()
ter2.fromFile(self.tmpfile, minx, miny, maxx, maxy, hasWatermask=True)
self.assertEqual(len(ter2.watermask), 256)
for i in range(0, len(ter.watermask)):
for j in range(0, len(ter.watermask[i])):
self.assertEqual(ter.watermask[i][j], ter2.watermask[i][j])
def populateLakes(self):
self.setupDatabase()
logger.info('Action: populateLakes()')
# For now we never reproject lakes
with self.userSession() as session:
shpFile = self.config.get('Data', 'lakes')
if not os.path.exists(shpFile):
logger.error('Shapefile %s does not exists' % (shpFile))
sys.exit(1)
count = 1
shp = ShpToGDALFeatures(shpFile)
logger.info('Processing %s' % (shpFile))
bulk = BulkInsert(Lakes, session, withAutoCommit=1000)
for feature in shp.getFeatures():
polygon = feature.GetGeometryRef()
# Force 2D for lakes
polygon.FlattenTo2D()
# add shapefile path to dict
# self.shpFilePath
bulk.add(
dict(the_geom=WKTElement(polygon.ExportToWkt(), 4326)))
count += 1
bulk.commit()
logger.info('Commit %s features for %s.' % (count, shpFile))
# Once all features have been commited, start creating all
# the simplified versions of the lakes
logger.info('Simplifying lakes')
tiles = TerrainTiles(self.dbConfigFile, tmsConfig, time.time())
geodetic = GlobalGeodetic(True)
bounds = (tiles.minLon, tiles.minLat, tiles.maxLon, tiles.maxLat)
zooms = range(tiles.tileMinZ, tiles.tileMaxZ + 1)
for i in xrange(0, len(zooms)):
zoom = zooms[i]
tablename = 'lakes_%s' % zoom
tileMinX, tileMinY = geodetic.LonLatToTile(
bounds[0], bounds[1], zoom)
tileMaxX, tileMaxY = geodetic.LonLatToTile(
bounds[2], bounds[3], zoom)
tileBounds = geodetic.TileBounds(tileMinX, tileMinY, zoom)
pointA = transformCoordinate(
'POINT(%s %s)' % (tileBounds[0], tileBounds[1]), 4326,
21781).GetPoints()[0]
pointB = transformCoordinate(
'POINT(%s %s)' % (tileBounds[2], tileBounds[3]), 4326,
21781).GetPoints()[0]
length = c2d.distance(pointA, pointB)
pixelArea = pow(length, 2) / pow(256.0, 2)
pixelLength = math.sqrt(pixelArea)
session.execute(
create_simplified_geom_table(tablename, pixelLength))
session.commit()
logger.info('Commit table public.%s with %s meters '
'tolerance' % (tablename, pixelLength))
def testExtensionsReader(self):
z = 10
x = 1563
y = 590
geodetic = GlobalGeodetic(True)
ter = TerrainTile()
[minx, miny, maxx, maxy] = geodetic.TileBounds(x, y, z)
ter.fromFile(
'forge/data/quantized-mesh/%s_%s_%s_light_watermask.terrain' %
(z, x, y),
minx,
miny,
maxx,
maxy,
hasLighting=True,
hasWatermask=True)
# check indices
self.assertTrue(len(ter.indices) > 0)
# check edges
self.assertTrue(len(ter.westI) > 0)
self.assertTrue(len(ter.southI) > 0)
self.assertTrue(len(ter.eastI) > 0)
self.assertTrue(len(ter.northI) > 0)
# check extensions
self.assertEqual(len(ter.watermask), 1)
self.assertEqual(len(ter.watermask[0]), 1)
# Water only -> 255
self.assertEqual(ter.watermask[0][0], 255)
ter.toFile(self.tmpfile)
ter2 = TerrainTile()
ter2.fromFile(self.tmpfile,
minx,
miny,
maxx,
maxy,
hasLighting=True,
hasWatermask=True)
self.assertEqual(len(ter.watermask), len(ter2.watermask))
self.assertEqual(len(ter.watermask[0]), len(ter2.watermask[0]))
sign = lambda a: 1 if a > 0 else -1 if a < 0 else 0
for i in range(0, len(ter.vLight)):
for j in range(0, 3):
# We cannot have an exact equality with successive
# oct encoding and decoding
# Thus we only check the sign
self.assertEqual(sign(ter.vLight[i][j]),
sign(ter2.vLight[i][j]))
def grid(bounds, zoomLevels, fullonly):
geodetic = GlobalGeodetic(True)
for tileZ in zoomLevels:
tileMinX, tileMinY = geodetic.LonLatToTile(bounds[0], bounds[1], tileZ)
tileMaxX, tileMaxY = geodetic.LonLatToTile(bounds[2], bounds[3], tileZ)
for tileX in xrange(tileMinX, tileMaxX + 1):
for tileY in xrange(tileMinY, tileMaxY + 1):
tilebounds = geodetic.TileBounds(tileX, tileY, tileZ)
if fullonly == 0 or isInside(tilebounds, bounds):
yield (tilebounds, (tileX, tileY, tileZ))
def createTileFromQueue(tq):
pid = os.getpid()
try:
(qName, t0, dbConfigFile, hasLighting, hasWatermask) = tq
sqs = getSQS()
q = sqs.get_queue(qName)
geodetic = GlobalGeodetic(True)
# we do this as long as we are finding messages in the queue
while True:
parseOk = True
try:
# 20 is maximum wait time
m = q.read(visibility_timeout=visibility_timeout,
wait_time_seconds=20)
if m is None:
logger.info(
'[%s] No more messages found. Closing process' % pid)
break
body = m.get_body()
tiles = map(int, body.split(','))
except Exception as e:
parseOk = False
if not parseOk or len(tiles) % 3 != 0:
logger.warning('[%s] Unparsable message received.'
'Skipping...and removing message [%s]' %
(pid, m.get_body()))
q.delete_message(m)
continue
for i in range(0, len(tiles), 3):
try:
tileXYZ = [tiles[i], tiles[i + 1], tiles[i + 2]]
tilebounds = geodetic.TileBounds(tileXYZ[0], tileXYZ[1],
tileXYZ[2])
createTile((tilebounds, tileXYZ, t0, dbConfigFile,
hasLighting, hasWatermask))
except Exception as e:
logger.error('[%s] Error while processing '
'specific tile %s' % (pid, str(e)),
exc_info=True)
# when successfull, we delete the message from the queue
logger.info('[%s] Successfully treated an SQS message: %s' %
(pid, body))
q.delete_message(m)
except Exception as e:
logger.error('[%s] Error occured during processing. '
'Halting process ' % str(e),
exc_info=True)
from forge.terrain import TerrainTile
from forge.terrain.topology import TerrainTopology
from forge.lib.shapefile_utils import ShpToGDALFeatures
from forge.lib.global_geodetic import GlobalGeodetic
basename = '7_133_98'
directory = '.tmp'
extension = '.terrain'
curDir = os.getcwd()
filePathSource = '%s/forge/data/shapefile-features/%s.shp' % (curDir, basename)
filePathTarget = '%s/%s%s' % (directory, basename, extension)
shapefile = ShpToGDALFeatures(shpFilePath=filePathSource)
features = shapefile.__read__()
terrainTopo = TerrainTopology(features=features)
terrainTopo.fromGDALFeatures()
terrainFormat = TerrainTile()
geodetic = GlobalGeodetic(True)
zxy = basename.split('_')
bounds = geodetic.TileBounds(float(zxy[1]), float(zxy[2]), float(zxy[0]))
terrainFormat.fromTerrainTopology(terrainTopo, bounds)
terrainFormat.toFile(filePathTarget)
# Display SwissCoordinates
terrainFormat.computeVerticesCoordinates(epsg=21781)
print terrainFormat
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], 'f:t:', ['from=', 'to='])
except getopt.GetoptError as err:
error(str(err), 2, usage=usage)
ffrom = None
to = None
ffile = None
for o, a in opts:
if o in ('-f', '--from'):
ffrom = a
if o in ('-t', '--to'):
to = a
if ffrom is None or to is None:
if len(args) != 1:
error("Please specify a file.", 4, usage=usage)
ffile = args[0]
tiles = []
# We have file, so we get the tiles from the file
if ffile is not None:
with open(ffile) as f:
for line in f:
line = line.rstrip()
if len(line) > 2:
tiles.append(map(int, line.split('/')))
# If we have from to, we catch layers.json from poc and use from to for levels
if ffrom is not None and to is not None:
req = urlopen(poc_base_url + 'layer.json')
layers = {}
for line in req:
layers = json.loads(line)
for zoom in range(int(ffrom), int(to) + 1):
level = layers['available'][zoom][0]
for x in range(int(level['startX']), int(level['endX']) + 1):
for y in range(int(level['startY']), int(level['endY']) + 1):
tiles.append([zoom, x, y])
bucket = getBucket()
g = GlobalGeodetic(tmscompatible=True)
if not os.path.isdir('tmp'):
os.mkdir('tmp')
for tile in tiles:
req = None
tilebounds = g.TileBounds(tile[1], tile[2], tile[0])
tilestring = str(tile[0]) + "/" + str(tile[1]) + "/" + str(tile[2])
try:
url = poc_base_url + tilestring + ".terrain?v=2.0.0"
req = urlopen(url)
with open(gzip_file_name, 'wb') as fp:
fp.write(req.read())
ff = gzip.open(gzip_file_name)
with open(temp_file_name, 'wb') as fp:
fp.write(ff.read())
ter = TerrainTile()
ter.fromFile(
temp_file_name, tilebounds[0],
tilebounds[2], tilebounds[1], tilebounds[3]
)
'''
if os.path.isfile(tms_file_name):
os.remove(tms_file_name)
if os.path.isfile(shape_file_name):
os.remove(shape_file_name)
if os.path.isfile(tms_from_shape_file_name):
os.remove(tms_from_shape_file_name)
ter.toFile(tms_file_name)
ter.toShapefile(shape_file_name)
shapefile = ShpToGDALFeatures(shpFilePath=shape_file_name)
features = shapefile.__read__()
topology = TerrainTopology(features=features)
topology.fromGDALFeatures()
terFromPoc = TerrainTile()
terFromPoc.fromFile(
tms_file_name, tilebounds[0], tilebounds[2], tilebounds[1], tilebounds[3]
)
terFromShape = TerrainTile()
terFromShape.fromTerrainTopology(topology)
terFromShape.toFile(tms_from_shape_file_name)
# Use this to select what is written to s3
ter2 = terFromShape
'''
ter2 = ter
fileObject = ter2.toStringIO()
compressedFile = gzipFileObject(fileObject)
bucketKey = tilestring + '.terrain'
print 'Uploading %s to S3' % bucketKey
writeToS3(bucket, bucketKey, compressedFile, 'POC Tiles copy',
contentType=ter.getContentType())
except Exception as e:
print "error with " + line + " " + str(e)
finally:
if req:
req.close()
return 0
filePathTarget = '%s%s%s' % (directory, tz, extension)
tminx, tminy = geodetic.LonLatToTile(MINX, MINY, tz)
tmaxx, tmaxy = geodetic.LonLatToTile(MAXX, MAXY, tz)
dataSource = drv.CreateDataSource(filePathTarget)
srs = osr.SpatialReference()
srs.ImportFromEPSG(4326)
layer = dataSource.CreateLayer('%s' % tz, srs, ogr.wkbPolygon)
fieldKey = ogr.FieldDefn('Key', ogr.OFTString)
fieldKey.SetWidth(24)
layer.CreateField(fieldKey)
for tx in range(tminx, tmaxx + 1):
for ty in range(tminy, tmaxy + 1):
tileKey = '%s/%s/%s' % (tz, tx, ty)
[xmin, ymin, xmax, ymax] = geodetic.TileBounds(tx, ty, tz)
print 'Tile key'
print tileKey
print 'Tile bounds'
print geodetic.TileBounds(tx, ty, tz)
# Create polygon from bounds
# https://pcjericks.github.io/py-gdalogr-cookbook/
# vector_layers.html#create-a-new-shapefile-and-add-data
feature = ogr.Feature(layer.GetLayerDefn())
feature.SetField('Key', tileKey)
wkt = 'POLYGON ((%f %f, %f %f, %f %f, %f %f, %f %f))' % (
xmin, ymin, xmax, ymin, xmax, ymax, xmin, ymax, xmin, ymin)
polygon = ogr.CreateGeometryFromWkt(wkt)
feature.SetGeometry(polygon)
layer.CreateFeature(feature)
feature.Destroy()
def _stats(self, withDb=True):
self.t0 = time.time()
total = 0
msg = '\n'
tiles = TerrainTiles(self.dbConfigFile, self.tmsConfig, self.t0)
geodetic = GlobalGeodetic(True)
bounds = (tiles.minLon, tiles.minLat, tiles.maxLon, tiles.maxLat)
zooms = range(tiles.tileMinZ, tiles.tileMaxZ + 1)
db = DB('configs/terrain/database.cfg')
try:
with db.userSession() as session:
for i in xrange(0, len(zooms)):
zoom = zooms[i]
model = modelsPyramid.getModelByZoom(zoom)
nbObjects = None
if withDb:
nbObjects = session.query(model).filter(
model.bboxIntersects(bounds)).count()
tileMinX, tileMinY = geodetic.LonLatToTile(
bounds[0], bounds[1], zoom)
tileMaxX, tileMaxY = geodetic.LonLatToTile(
bounds[2], bounds[3], zoom)
# Fast approach, but might not be fully correct
if tiles.fullonly == 1:
tileMinX += 1
tileMinY += 1
tileMaxX -= 1
tileMaxY -= 1
tileBounds = geodetic.TileBounds(tileMinX, tileMinY, zoom)
xCount = tileMaxX - tileMinX + 1
yCount = tileMaxY - tileMinY + 1
nbTiles = xCount * yCount
total += nbTiles
pointA = transformCoordinate(
'POINT(%s %s)' % (tileBounds[0], tileBounds[1]), 4326,
21781).GetPoints()[0]
pointB = transformCoordinate(
'POINT(%s %s)' % (tileBounds[2], tileBounds[3]), 4326,
21781).GetPoints()[0]
length = c2d.distance(pointA, pointB)
if tiles.fullonly == 1:
msg += 'WARNING: stats are approximative because ' \
'fullonly is activated!\n'
msg += 'At zoom %s:\n' % zoom
msg += 'We expect %s tiles overall\n' % nbTiles
msg += 'Min X is %s, Max X is %s\n' % (tileMinX, tileMaxX)
msg += '%s columns over X\n' % xCount
msg += 'Min Y is %s, Max Y is %s\n' % (tileMinY, tileMaxY)
msg += '%s rows over Y\n' % yCount
msg += '\n'
msg += 'A tile side is around %s meters' % int(
round(length))
if nbTiles > 0 and nbObjects is not None:
msg += 'We have an average of about %s triangles ' \
'per tile\n' % int(round(nbObjects / nbTiles))
msg += '\n\n'
msg += '%s tiles in total.' % total
except Exception as e:
logger.error('An error occured during statistics collection')
logger.error('%s' % e, exc_info=True)
raise Exception(e)
finally:
db.userEngine.dispose()
return (total, msg)