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ppqgis_export.py
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ppqgis_export.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
ppqgis_export
module for exporting pandapower or pandapipes networks to qgis
-------------------
begin : 2022-09-23
git sha : $Format:%H$
copyright : (C) 2022 by Fraunhofer IEE
email : mike.vogt@iee.fraunhofer.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from qgis.PyQt.QtWidgets import QAction, QFileDialog, QListWidgetItem, QTreeWidgetItem
from qgis.core import QgsProject, QgsWkbTypes, QgsMessageLog, Qgis, NULL
from typing import List
def power_network(parent, selected_layers) -> None:
# get all layers
layers = QgsProject.instance().mapLayers()
# variables for summary:
bus_count: int = 0
line_count: int = 0
line_len_count: int = 0
line_error_count: int = 0
exported_std_types: List[str] = list()
# variables required for new network
name = parent.dlg_export.nameEdit.text()
try:
f_hz = float(parent.dlg_export.frequencyEdit.text())
except ValueError:
f_hz = 50
try:
sn_mva = float(parent.dlg_export.refApparentPowerEdit.text())
except ValueError:
sn_mva = 1
add_stdtypes = parent.dlg_export.addStdTypes.isChecked()
import pandapower as pp
filters = "pandapower networks (*.json)"
selected = "pandapower networks (*.json)"
file = QFileDialog.getSaveFileName(None, "File Dialog", parent.dir, filters, selected)[0]
if not file:
return
# create empty network
net = pp.create_empty_network(name, f_hz, sn_mva, add_stdtypes)
# create a bus_lookup table
bus_id_lookup = dict()
line_layers = list()
for layer_name in selected_layers:
selectIds = list()
layer = layers[layer_name]
if not hasattr(layer, "getFeatures"):
continue
# get all fields of layer
field_names = layer.fields().names()
features = layer.getFeatures()
for feature in features:
if 'pp_type' not in field_names:
selectIds.append(feature.id())
continue
pp_type = feature['pp_type']
if pp_type not in ['bus', 'line']:
selectIds.append(feature.id())
continue
if pp_type == 'bus':
"""
Optional properties:
name: str
pp_index: int
vn_kv: float
type: str "b", "n", "m"
zone: str, None
in_service: bool
max_vm_pu: float, NAN
min_vm_pu: float, NAN
"""
props = {
"name": None,
"pp_index": None,
# "vn_kv": ? # no default given.
"geodata": None,
"type": "b",
"zone": None,
"in_service": True,
"max_vm_pu": float("NaN"),
"min_vm_pu": float("NaN"),
"coords": None,
}
# Get optional properties if they exist
for key in props:
if key in field_names and feature[key] is not NULL:
props[key] = feature[key]
if 'vn_kv' in field_names and feature['vn_kv'] is not NULL:
props['vn_kv'] = feature['vn_kv']
else: # not sure if this is the way to handle missing vn_kv
selectIds.append(feature.id())
continue
geom = feature.geometry()
if geom.type() == QgsWkbTypes.GeometryType.PointGeometry:
assert QgsWkbTypes.isSingleType(geom.wkbType())
geometry = geom.asPoint()
# QgsMessageLog.logMessage("Point: X: " + str(geometry.x()) + ", Y: " + str(geometry.y()),
# level=Qgis.MessageLevel.Info)
props['geodata'] = (geometry.x(), geometry.y())
elif geom.type() == QgsWkbTypes.GeometryType.LineGeometry:
assert QgsWkbTypes.isSingleType(geom.wkbType())
geometry = geom.asPolyline()
if len(geometry) > 2:
# bus does not support full LineStrings only start and end points
selectIds.append(feature.id())
continue
props['coords'] = [(geometry[0].x(), geometry[0].y()), (geometry[1].x(), geometry[1].y())]
else:
selectIds.append(feature.id())
continue
try:
bid = pp.create_bus(net,
name=props['name'],
index=props['pp_index'],
vn_kv=props['vn_kv'],
geodata=props['geodata'],
type=props['type'],
zone=props['zone'],
in_service=props['in_service'],
max_vm_pu=props['max_vm_pu'],
min_vm_pu=props['min_vm_pu'],
coords=props['coords'])
except UserWarning:
bid = pp.create_bus(net,
name=props['name'],
index=None,
vn_kv=props['vn_kv'],
geodata=props['geodata'],
type=props['type'],
zone=props['zone'],
in_service=props['in_service'],
max_vm_pu=props['max_vm_pu'],
min_vm_pu=props['min_vm_pu'],
coords=props['coords'])
bus_count += 1
if props['pp_index'] not in bus_id_lookup:
bus_id_lookup[props['pp_index']] = bid
else:
QgsMessageLog.logMessage(
f'pp_index "{props["pp_index"]}" double assigned! FeatureID: {feature.id()}',
level=Qgis.MessageLevel.Warning)
if pp_type == 'line' and layer_name not in line_layers:
line_layers.append(layer_name)
for layer_name in line_layers:
selectIds = list()
layer = layers[layer_name]
if not hasattr(layer, "getFeatures"):
continue
# get all fields of layer
field_names = layer.fields().names()
features = layer.getFeatures()
for feature in features:
if 'pp_type' not in field_names:
selectIds.append(feature.id())
continue
pp_type = feature['pp_type']
if pp_type != 'line':
selectIds.append(feature.id())
continue
"""
Required properties:
from_bus
to_bus
length_km (if not set derivable from geometry)
std_type (if not a std_type in pp create it: net.create_std_type())
Optional properties:
name: str
index: int
geodata: [tuple]
in_service: bool
df: float (derating factor)
parallel: int
max_loading_percent: float
"""
required = {
"from_bus": None,
"to_bus": None,
"std_type": None,
}
optional = {
"length_km": None, # is required, will be fetched from geometry, thus moved to optional
"name": None,
"pp_index": None,
"geodata": None,
"in_service": True,
"df": 1.0,
"parallel": 1,
"max_loading_percent": float("NaN"),
}
uses_derived_length = False
# Get optional properties if they exist
for key in required:
if key not in field_names or feature[key] == NULL:
selectIds.append(feature.id())
line_error_count += 1
continue
assert key in field_names
assert feature[key] != NULL
required[key] = feature[key]
# check if std_type exists in pp
if not pp.std_type_exists(net, required["std_type"]):
# TODO: fill std_type data somehow
# This data object is only an example and needs replacing!
data = {
"r_ohm_per_km": 0.2,
"x_ohm_per_km": 0.07,
"c_nf_per_km": 1160.0,
"max_i_ka": 0.4,
"endtemp_degree": 70.0,
"r0_ohm_per_km": 0.8,
"x0_ohm_per_km": 0.3,
"c0_nf_per_km": 500.0
}
pp.create_std_type(net, data=data, name=required['std_type'])
# track exported std types
if required['std_type'] not in exported_std_types:
exported_std_types.append(required['std_type'])
for key in optional:
if key in field_names and feature[key] != NULL:
optional[key] = feature[key]
# assert optional[key] != NULL # This assertion fails for None
geom = feature.geometry()
# set length_km if it hadn't been provided
if optional['length_km'] is None:
optional['length_km'] = geom.length()
uses_derived_length = True
if geom.type() == QgsWkbTypes.GeometryType.LineGeometry:
# assert QgsWkbTypes.isSingleType(geom.wkbType())
try:
c = geom.asPolyline() # c = list[QgsPointXY]
except TypeError:
c = geom.asMultiPolyline()[0]
# QgsMessageLog.logMessage("Line: " + str(x), level=Qgis.MessageLevel.Info)
# lookup from_bus/to_bus
from_bus = None
to_bus = None
if required['from_bus'] in bus_id_lookup:
from_bus = bus_id_lookup[required['from_bus']]
if required['to_bus'] in bus_id_lookup:
to_bus = bus_id_lookup[required['to_bus']]
if from_bus is None or to_bus is None:
QgsMessageLog.logMessage(
f'Could not find from_bus {required["from_bus"]} or to_bus {required["to_bus"]} for {feature.id()}',
level=Qgis.MessageLevel.Warning)
selectIds.append(feature.id())
line_error_count += 1
continue
geo = []
for point in c:
geo.append((point.x(), point.y()))
if len(geo) > 0:
optional['geodata'] = geo
try:
pp.create_line(net,
from_bus=from_bus,
to_bus=to_bus,
length_km=optional['length_km'],
std_type=required['std_type'],
name=optional['name'],
index=optional['pp_index'],
geodata=optional['geodata'],
in_service=optional['in_service'],
df=optional['df'],
parallel=optional['parallel'],
max_loading_percent=optional['max_loading_percent'])
except UserWarning:
pp.create_line(net,
from_bus=from_bus,
to_bus=to_bus,
length_km=optional['length_km'],
std_type=required['std_type'],
name=optional['name'],
index=None,
geodata=optional['geodata'],
in_service=optional['in_service'],
df=optional['df'],
parallel=optional['parallel'],
max_loading_percent=optional['max_loading_percent'])
line_count += 1
if uses_derived_length:
line_len_count += 1
# QgsMessageLog.logMessage("Line from {0} to {1}".format(bus_found_first, bus_found_last),
# level=Qgis.MessageLevel.Info)
layer.selectByIds(selectIds, Qgis.SelectBehavior.AddToSelection)
if file:
pp.to_json(net, file)
# Display export summary
parent.dlg_export_summary.exportedBus.setText(f'Buses exported: {bus_count}')
parent.dlg_export_summary.exportedLines.setText(f'Lines exported: {line_count} ({line_len_count})')
parent.dlg_export_summary.erroredLines.setText(f'Lines containing errors: {line_error_count}')
parent.dlg_export_summary.stdTypeList.addItems(exported_std_types)
parent.dlg_export_summary.show()
def pipes_network(parent, selected_layers) -> None:
# get all layers
layers = QgsProject.instance().mapLayers()
# variables for summary:
junction_count: int = 0
pipe_count: int = 0
pipe_len_count: int = 0
pipe_error_count: int = 0
# variables required for new network
name = parent.dlg_export.nameEdit.text()
fluid_name = parent.dlg_export.fluidLineEdit.text()
add_stdtypes = parent.dlg_export.addStdTypes.isChecked()
import pandapipes as pp
filters = "pandapipes networks (*.json)"
selected = "pandapipes networks (*.json)"
file = QFileDialog.getSaveFileName(None, "File Dialog", parent.dir, filters, selected)[0]
if not file:
return
try:
# create empty network
net = pp.create_empty_network(name, fluid_name, add_stdtypes)
except AttributeError:
net = pp.create_empty_network(name, None, add_stdtypes)
# create a bus_lookup table
junction_id_lookup = dict()
pipe_layers = list()
for layer_name in selected_layers:
selectIds = list()
layer = layers[layer_name]
if not hasattr(layer, "getFeatures"):
continue
# get all fields of layer
field_names = layer.fields().names()
features = layer.getFeatures()
for feature in features:
if 'pp_type' not in field_names:
selectIds.append(feature.id())
continue
pp_type = feature['pp_type']
if pp_type not in ['junction', 'pipe']:
selectIds.append(feature.id())
continue
if pp_type == 'junction':
"""
Required properties:
net: pandapipesNet
pn_bar: float
tfluid_k: float
Optional properties:
height_m: float
name: str
pp_index: int
in_service: bool
"""
required = {
"pn_bar": None,
"tfluid_k": None,
}
props = {
"height_m": 0,
"name": None,
"pp_index": None,
"in_service": True,
"type": "junction",
"geodata": None,
}
# Get optional properties if they exist
for key in props:
if key in field_names and feature[key] is not NULL:
props[key] = feature[key]
geom = feature.geometry()
if geom.type() == QgsWkbTypes.GeometryType.PointGeometry:
assert QgsWkbTypes.isSingleType(geom.wkbType())
geometry = geom.asPoint()
# QgsMessageLog.logMessage("Point: X: " + str(geometry.x()) + ", Y: " + str(geometry.y()),
# level=Qgis.MessageLevel.Info)
props['geodata'] = (geometry.x(), geometry.y())
elif geom.type() == QgsWkbTypes.GeometryType.LineGeometry:
assert QgsWkbTypes.isSingleType(geom.wkbType())
geometry = geom.asPolyline()
if len(geometry) > 2:
# bus does not support full LineStrings only start and end points
selectIds.append(feature.id())
continue
props['coords'] = [(geometry[0].x(), geometry[0].y()), (geometry[1].x(), geometry[1].y())]
else:
selectIds.append(feature.id())
continue
try:
bid = pp.create_junction(net,
pn_bar=required['pn_bar'],
tfluid_k=required['tfluid_k'],
height_m=props['height_m'],
name=props['name'],
index=props['pp_index'],
in_service=props['in_service'],
type=props['type'],
geodata=props['geodata'])
except UserWarning:
bid = pp.create_junction(net,
pn_bar=props['pn_bar'],
tfluid_k=props['tfluid_k'],
height_m=props['height_m'],
name=props['name'],
index=None,
in_service=props['in_service'],
type=props['type'],
geodata=props['geodata'])
junction_count += 1
if props['pp_index'] not in junction_id_lookup:
junction_id_lookup[props['pp_index']] = bid
else:
QgsMessageLog.logMessage(
f'pp_index "{props["pp_index"]}" double assigned! FeatureID: {feature.id()}',
level=Qgis.MessageLevel.Warning)
if pp_type == 'pipe' and layer_name not in pipe_layers:
pipe_layers.append(layer_name)
for layer_name in pipe_layers:
selectIds = list()
layer = layers[layer_name]
if not hasattr(layer, "getFeatures"):
continue
# get all fields of layer
field_names = layer.fields().names()
features = layer.getFeatures()
for feature in features:
if 'pp_type' not in field_names:
selectIds.append(feature.id())
continue
pp_type = feature['pp_type']
if pp_type != 'pipe':
selectIds.append(feature.id())
continue
"""
Required properties:
from_junction
to_junction
length_km (if not set derivable from geometry)
diameter_m
Optional properties:
k_mm: float
loss_coefficient: float
sections: int
alpha_w_per_m2k: float
qext_w: float
text_k: float
name: str
index: int
geodata: [tuple]
in_service: bool
type: str
std_type: str
"""
required = {
"from_junction": None,
"to_junction": None,
"diameter_m": None,
}
optional = {
"length_km": None, # is required, will be fetched from geometry, thus moved to optional
"k_mm": 1.,
"loss_coefficient": .0,
"sections": 1,
"alpha_w_per_m2k": .0,
"qext_w": .0,
"text_k": 293,
"name": None,
"pp_index": None,
"geodata": None,
"in_service": True,
"type": "pipe",
"std_type": None
}
uses_derived_length = False
# Get optional properties if they exist
for key in required:
if key not in field_names or feature[key] == NULL:
selectIds.append(feature.id())
pipe_error_count += 1
continue
assert key in field_names
assert feature[key] != NULL
required[key] = feature[key]
for key in optional:
if key in field_names and feature[key] != NULL:
optional[key] = feature[key]
# assert optional[key] != NULL # This assertion fails for None
geom = feature.geometry()
# set length_km if it hadn't been provided
if optional['length_km'] is None:
optional['length_km'] = geom.length()
uses_derived_length = True
if geom.type() == QgsWkbTypes.GeometryType.LineGeometry:
assert QgsWkbTypes.isSingleType(geom.wkbType())
c = geom.asPolyline() # c = list[QgsPointXY]
# QgsMessageLog.logMessage("Line: " + str(x), level=Qgis.MessageLevel.Info)
# lookup from_bus/to_bus
from_junction = None
to_junction = None
if required['from_junction'] in junction_id_lookup:
from_junction = junction_id_lookup[required['from_junction']]
if required['to_junction'] in junction_id_lookup:
to_junction = junction_id_lookup[required['to_junction']]
if from_junction is None or to_junction is None:
QgsMessageLog.logMessage(
f'Could not find from_junction {required["from_junction"]} or to_junction {required["to_junction"]} for {feature.id()}',
level=Qgis.MessageLevel.Warning)
selectIds.append(feature.id())
pipe_error_count += 1
continue
geo = []
for point in c:
geo.append((point.x(), point.y()))
if len(geo) > 0:
optional['geodata'] = geo
if optional["std_type"] is None or optional["std_type"] == "None":
try:
pp.create_pipe_from_parameters(
net,
from_junction=from_junction,
to_junction=to_junction,
length_km=optional['length_km'],
diameter_m=required['diameter_m'],
k_mm=optional['k_mm'],
loss_coefficient=optional['loss_coefficient'],
sections=optional['sections'],
alpha_w_per_m2k=optional['alpha_w_per_m2k'],
qext_w=optional['qext_w'],
text_k=optional['text_k'],
name=optional['name'],
index=optional['pp_index'],
geodata=optional['geodata'],
in_service=optional['in_service'],
type=optional['type'])
except UserWarning:
pp.create_pipe_from_parameters(
net,
from_junction=from_junction,
to_junction=to_junction,
length_km=optional['length_km'],
diameter_m=required['diameter_m'],
k_mm=optional['k_mm'],
loss_coefficient=optional['loss_coefficient'],
sections=optional['sections'],
alpha_w_per_m2k=optional['alpha_w_per_m2k'],
qext_w=optional['qext_w'],
text_k=optional['text_k'],
name=optional['name'],
index=None,
geodata=optional['geodata'],
in_service=optional['in_service'],
type=optional['type'])
else:
try:
pp.create_pipe(
net,
from_junction=from_junction,
to_junction=to_junction,
std_type=optional['std_type'],
length_km=optional['length_km'],
k_mm=optional['k_mm'],
loss_coefficient=optional['loss_coefficient'],
sections=optional['sections'],
alpha_w_per_m2k=optional['alpha_w_per_m2k'],
text_k=optional['text_k'],
qext_w=optional['qext_w'],
name=optional['name'],
index=optional['pp_index'],
geodata=optional['geodata'],
in_service=optional['in_service'],
type=optional['type'])
except UserWarning:
pp.create_pipe(
net,
from_junction=from_junction,
to_junction=to_junction,
std_type=optional['std_type'],
length_km=optional['length_km'],
k_mm=optional['k_mm'],
loss_coefficient=optional['loss_coefficient'],
sections=optional['sections'],
alpha_w_per_m2k=optional['alpha_w_per_m2k'],
text_k=optional['text_k'],
qext_w=optional['qext_w'],
name=optional['name'],
index=None,
geodata=optional['geodata'],
in_service=optional['in_service'],
type=optional['type'])
pipe_count += 1
if uses_derived_length:
pipe_len_count += 1
# QgsMessageLog.logMessage("Line from {0} to {1}".format(bus_found_first, bus_found_last),
# level=Qgis.MessageLevel.Info)
layer.selectByIds(selectIds, Qgis.SelectBehavior.AddToSelection)
if file:
pp.to_json(net, file)
# Display export summary
parent.dlg_export_summary.exportedBus.setText(parent.tr(f'Buses exported: {junction_count}'))
parent.dlg_export_summary.exportedLines.setText(parent.tr(f'Pipes exported: {pipe_count} ({pipe_len_count})'))
parent.dlg_export_summary.erroredLines.setText(parent.tr(f'Pipes containing errors: {pipe_error_count}'))
parent.dlg_export_summary.stdTypeLabel.setVisible(False)
parent.dlg_export_summary.stdTypeList.setVisible(False)
parent.dlg_export_summary.show()