def _geomAttrbUpdate(self, fids):
"""Update geometry atrributes of currently selected features
:param fid: list feature id
"""
mapLayer = self.parent.toolbars["vdigit"].GetLayer()
vectorName = mapLayer.GetName()
if self.tree:
item = self.tree.FindItemByData("maplayer", mapLayer)
vdigit = self.tree.GetLayerInfo(item, key="vdigit")
else:
item = vdigit = None
if not vdigit or "geomAttr" not in vdigit:
return
dbInfo = gselect.VectorDBInfo(vectorName)
sqlfile = tempfile.NamedTemporaryFile(mode="w")
for fid in fids:
for layer, cats in six.iteritems(self.digit.GetLineCats(fid)):
table = dbInfo.GetTable(layer)
for attrb, item in six.iteritems(vdigit["geomAttr"]):
val = -1
if attrb == "length":
val = self.digit.GetLineLength(fid)
type = attrb
elif attrb == "area":
val = self.digit.GetAreaSize(fid)
type = attrb
elif attrb == "perimeter":
val = self.digit.GetAreaPerimeter(fid)
type = "length"
if val < 0:
continue
val = UnitsConvertValue(val, type, item["units"])
for cat in cats:
sqlfile.write(
"UPDATE %s SET %s = %f WHERE %s = %d;\n" % (
table,
item["column"],
val,
dbInfo.GetKeyColumn(layer),
cat,
))
sqlfile.file.flush()
RunCommand("db.execute",
parent=True,
quiet=True,
input=sqlfile.name)
def _geomAttrbUpdate(self, fids):
"""Update geometry atrributes of currently selected features
:param fid: list feature id
"""
mapLayer = self.parent.toolbars['vdigit'].GetLayer()
vectorName = mapLayer.GetName()
if self.tree:
item = self.tree.FindItemByData('maplayer', mapLayer)
vdigit = self.tree.GetLayerInfo(item, key='vdigit')
else:
item = vdigit = None
if not vdigit or 'geomAttr' not in vdigit:
return
dbInfo = gselect.VectorDBInfo(vectorName)
sqlfile = tempfile.NamedTemporaryFile(mode="w")
for fid in fids:
for layer, cats in self.digit.GetLineCats(fid).iteritems():
table = dbInfo.GetTable(layer)
for attrb, item in vdigit['geomAttr'].iteritems():
val = -1
if attrb == 'length':
val = self.digit.GetLineLength(fid)
type = attrb
elif attrb == 'area':
val = self.digit.GetAreaSize(fid)
type = attrb
elif attrb == 'perimeter':
val = self.digit.GetAreaPerimeter(fid)
type = 'length'
if val < 0:
continue
val = UnitsConvertValue(val, type, item['units'])
for cat in cats:
sqlfile.write(
'UPDATE %s SET %s = %f WHERE %s = %d;\n' %
(table, item['column'], val,
dbInfo.GetKeyColumn(layer), cat))
sqlfile.file.flush()
RunCommand('db.execute',
parent=True,
quiet=True,
input=sqlfile.name)