def _getInvalidParams(self, params):
"""Check of analysis input data for invalid values (Parameters tab)"""
# dict of invalid values {key from self.itemData (comboboxes from
# Parameters tab) : invalid value}
invParams = []
# check vector map
if params["input"]:
mapName, mapSet = params["input"].split("@")
if mapSet in grass.list_grouped("vector"):
vectMaps = grass.list_grouped("vector")[mapSet]
if not params["input"] or mapName not in vectMaps:
invParams = list(params.keys())[:]
return invParams
# check arc/node layer
layers = utils.GetVectorNumberOfLayers(params["input"])
for layer in [
"arc_layer", "node_layer", "turn_layer", "turn_cat_layer"
]:
if not layers or params[layer] not in layers:
invParams.append(layer)
dbInfo = VectorDBInfo(params["input"])
try:
table = dbInfo.GetTable(int(params["arc_layer"]))
columnchoices = dbInfo.GetTableDesc(table)
except (KeyError, ValueError):
table = None
# check costs columns
for col in ["arc_column", "arc_backward_column", "node_column"]:
if col == "node_column":
try:
table = dbInfo.GetTable(int(params["node_layer"]))
columnchoices = dbInfo.GetTableDesc(table)
except (KeyError, ValueError):
table = None
if not table or not params[col] in list(columnchoices.keys()):
invParams.append(col)
continue
if columnchoices[params[col]]["type"] not in [
"integer",
"double precision",
]:
invParams.append(col)
continue
return invParams
def _updateTtbByGlobalCosts(self, vectMapName, tlayer):
# TODO get layer number do not use it directly
intervals = self.turnsData["global"].GetData()
cmdUpdGlob = [
"v.db.update",
"map=",
self.inputData["input"].GetValue(),
"layer=%d" % tlayer,
"column=cost",
]
dbInfo = VectorDBInfo(vectMapName)
table = dbInfo.GetTable(tlayer)
driver, database = dbInfo.GetDbSettings(tlayer)
sqlFile = grass.tempfile()
sqlFile_f = open(sqlFile, "w")
for ival in intervals:
from_angle = ival[0]
to_angle = ival[1]
cost = ival[2]
if to_angle < from_angle:
to_angle = math.pi * 2 + to_angle
# if angle < from_angle:
# angle = math.pi * 2 + angle
where = " WHERE (((angle < {0}) AND ({2} + angle >= {0} AND {2} + angle < {1})) OR \
((angle >= {0}) AND (angle >= {0} AND angle < {1}))) AND cost==0.0 ".format(
str(from_angle), str(to_angle), str(math.pi * 2))
stm = ("UPDATE %s SET cost=%f " % (table, cost)) + where + ";\n"
sqlFile_f.write(stm)
sqlFile_f.close()
# TODO improve parser and run in thread
ret, msg, err = RunCommand(
"db.execute",
getErrorMsg=True,
input=sqlFile,
read=True,
driver=driver,
database=database,
)
try_remove(sqlFile)
