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Erste Version Verfahrensgebiet aus ALKIS laden

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Michael Otto
2025-11-18 12:36:35 +01:00
parent e8cc531a6a
commit f69ee89a3c
4 changed files with 318 additions and 7 deletions
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85
logic/alkis_verfahrensgebiet.py Normal file
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@@ -0,0 +1,85 @@
import os
from qgis.core import (
QgsVectorLayer, QgsProject, QgsFeature, QgsField,
QgsFeatureRequest, QgsGeometry
)
from qgis.PyQt.QtWidgets import QMessageBox
from qgis.PyQt.QtCore import QVariant
from sn_basis import get_variable
alkis_NAS_url = "https://geodienste.sachsen.de/aaa/public_alkis/nas/wfs"
typename = "adv:AX_BauRaumOderBodenordnungsrecht"
def alkis_verfahrensgebiet(tab_widget):
verfahrensnummer = get_variable("verfahrensnummer")
if not verfahrensnummer:
QMessageBox.critical(tab_widget, "Fehler",
"Die Projektvariable 'sn_verfahrensnummer' ist nicht gesetzt.")
tab_widget.setze_haken(tab_widget.haken1, False)
return None, False
project = QgsProject.instance()
existing_layers = project.mapLayersByName("Verfahrensgebiet")
if existing_layers:
reply = QMessageBox.question(
tab_widget,
"Layer bereits vorhanden",
"Der Layer 'Verfahrensgebiet' existiert bereits.\n"
"Möchten Sie ihn löschen und neu laden?",
QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
QMessageBox.StandardButton.No
)
if reply == QMessageBox.StandardButton.Yes:
for lyr in existing_layers:
project.removeMapLayer(lyr.id())
else:
# Vorhandenen Layer zurückgeben, kein Neu-Laden
return existing_layers[0], False
# WFS mit Filter laden
wfs_uri_find = (
f"url='{alkis_NAS_url}' typename='{typename}' srsname='EPSG:25833' "
f"sql=SELECT * FROM AX_BauRaumOderBodenordnungsrecht "
f"WHERE bezeichnung LIKE '{verfahrensnummer}%'"
)
temp_layer = QgsVectorLayer(wfs_uri_find, "TempVerfahrensgebiet", "WFS")
if not temp_layer.isValid():
QMessageBox.critical(tab_widget, "Fehler", "Layer konnte nicht geladen werden.")
return None, False
features = list(temp_layer.getFeatures())
if not features:
QMessageBox.critical(tab_widget, "Fehler",
f"Verfahrenskennzeichen {verfahrensnummer} nicht im WFS gefunden.")
return None, False
# Geometrie bestimmen
if len(features) == 1:
union_geom = features[0].geometry()
else:
geoms = [f.geometry() for f in features]
union_geom = QgsGeometry.unaryUnion(geoms)
if union_geom is None or union_geom.isEmpty():
QMessageBox.critical(tab_widget, "Fehler", "Keine Geometrien zum Verschmelzen gefunden.")
return None, False
# Memory-Layer mit festem Namen "Verfahrensgebiet"
crs = temp_layer.crs().authid()
memory_layer = QgsVectorLayer(f"Polygon?crs={crs}", "Verfahrensgebiet", "memory")
pr = memory_layer.dataProvider()
# Feld "VKZ" hinzufügen
pr.addAttributes([QgsField("VKZ", QVariant.String)])
memory_layer.updateFields()
# Feature mit Geometrie erstellen
feat_union = QgsFeature()
feat_union.setGeometry(union_geom)
feat_union.setAttributes([verfahrensnummer])
pr.addFeatures([feat_union])
memory_layer.updateExtents()
return memory_layer, True

2
ui/dockwidget.py
View File

@@ -5,4 +5,4 @@ from sn_basis.ui.base_dockwidget import BaseDockWidget
class DockWidget(BaseDockWidget):
tabs = [TabA, TabB, SettingsTab]
tabs = [TabA, SettingsTab]

140
ui/tabs/Verfahrensgebiet.qml Normal file
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@@ -0,0 +1,140 @@
<!DOCTYPE qgis PUBLIC 'http://mrcc.com/qgis.dtd' 'SYSTEM'>
<qgis version="3.40.7-Bratislava" styleCategories="Symbology">
<renderer-v2 referencescale="-1" forceraster="0" enableorderby="0" type="singleSymbol" symbollevels="0">
<symbols>
<symbol is_animated="0" frame_rate="10" clip_to_extent="1" type="fill" alpha="1" force_rhr="0" name="0">
<data_defined_properties>
<Option type="Map">
<Option type="QString" value="" name="name"/>
<Option name="properties"/>
<Option type="QString" value="collection" name="type"/>
</Option>
</data_defined_properties>
<layer locked="0" id="{feca00b2-500a-4c9a-b285-67ba2d99d8f6}" enabled="1" class="SimpleLine" pass="0">
<Option type="Map">
<Option type="QString" value="0" name="align_dash_pattern"/>
<Option type="QString" value="square" name="capstyle"/>
<Option type="QString" value="5;2" name="customdash"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="customdash_map_unit_scale"/>
<Option type="QString" value="MM" name="customdash_unit"/>
<Option type="QString" value="0" name="dash_pattern_offset"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="dash_pattern_offset_map_unit_scale"/>
<Option type="QString" value="MM" name="dash_pattern_offset_unit"/>
<Option type="QString" value="0" name="draw_inside_polygon"/>
<Option type="QString" value="round" name="joinstyle"/>
<Option type="QString" value="215,168,255,255,rgb:0.84313725490196079,0.6588235294117647,1,1" name="line_color"/>
<Option type="QString" value="solid" name="line_style"/>
<Option type="QString" value="1.5" name="line_width"/>
<Option type="QString" value="MM" name="line_width_unit"/>
<Option type="QString" value="-0.75" name="offset"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="offset_map_unit_scale"/>
<Option type="QString" value="MM" name="offset_unit"/>
<Option type="QString" value="0" name="ring_filter"/>
<Option type="QString" value="0" name="trim_distance_end"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="trim_distance_end_map_unit_scale"/>
<Option type="QString" value="MM" name="trim_distance_end_unit"/>
<Option type="QString" value="0" name="trim_distance_start"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="trim_distance_start_map_unit_scale"/>
<Option type="QString" value="MM" name="trim_distance_start_unit"/>
<Option type="QString" value="0" name="tweak_dash_pattern_on_corners"/>
<Option type="QString" value="0" name="use_custom_dash"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="width_map_unit_scale"/>
</Option>
<data_defined_properties>
<Option type="Map">
<Option type="QString" value="" name="name"/>
<Option name="properties"/>
<Option type="QString" value="collection" name="type"/>
</Option>
</data_defined_properties>
</layer>
<layer locked="0" id="{fdc4d6fd-0995-41df-bbfb-19970b4fc2cc}" enabled="1" class="SimpleLine" pass="0">
<Option type="Map">
<Option type="QString" value="0" name="align_dash_pattern"/>
<Option type="QString" value="square" name="capstyle"/>
<Option type="QString" value="5;2" name="customdash"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="customdash_map_unit_scale"/>
<Option type="QString" value="MM" name="customdash_unit"/>
<Option type="QString" value="0" name="dash_pattern_offset"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="dash_pattern_offset_map_unit_scale"/>
<Option type="QString" value="MM" name="dash_pattern_offset_unit"/>
<Option type="QString" value="0" name="draw_inside_polygon"/>
<Option type="QString" value="round" name="joinstyle"/>
<Option type="QString" value="204,174,137,255,rgb:0.80000000000000004,0.68235294117647061,0.53725490196078429,1" name="line_color"/>
<Option type="QString" value="solid" name="line_style"/>
<Option type="QString" value="0.5" name="line_width"/>
<Option type="QString" value="MM" name="line_width_unit"/>
<Option type="QString" value="0" name="offset"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="offset_map_unit_scale"/>
<Option type="QString" value="MM" name="offset_unit"/>
<Option type="QString" value="0" name="ring_filter"/>
<Option type="QString" value="0" name="trim_distance_end"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="trim_distance_end_map_unit_scale"/>
<Option type="QString" value="MM" name="trim_distance_end_unit"/>
<Option type="QString" value="0" name="trim_distance_start"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="trim_distance_start_map_unit_scale"/>
<Option type="QString" value="MM" name="trim_distance_start_unit"/>
<Option type="QString" value="0" name="tweak_dash_pattern_on_corners"/>
<Option type="QString" value="0" name="use_custom_dash"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="width_map_unit_scale"/>
</Option>
<data_defined_properties>
<Option type="Map">
<Option type="QString" value="" name="name"/>
<Option name="properties"/>
<Option type="QString" value="collection" name="type"/>
</Option>
</data_defined_properties>
</layer>
</symbol>
</symbols>
<rotation/>
<sizescale/>
<data-defined-properties>
<Option type="Map">
<Option type="QString" value="" name="name"/>
<Option name="properties"/>
<Option type="QString" value="collection" name="type"/>
</Option>
</data-defined-properties>
</renderer-v2>
<selection mode="Default">
<selectionColor invalid="1"/>
<selectionSymbol>
<symbol is_animated="0" frame_rate="10" clip_to_extent="1" type="fill" alpha="1" force_rhr="0" name="">
<data_defined_properties>
<Option type="Map">
<Option type="QString" value="" name="name"/>
<Option name="properties"/>
<Option type="QString" value="collection" name="type"/>
</Option>
</data_defined_properties>
<layer locked="0" id="{f18003f5-220a-487f-8a6d-b24facc4c1a5}" enabled="1" class="SimpleFill" pass="0">
<Option type="Map">
<Option type="QString" value="3x:0,0,0,0,0,0" name="border_width_map_unit_scale"/>
<Option type="QString" value="0,0,255,255,rgb:0,0,1,1" name="color"/>
<Option type="QString" value="bevel" name="joinstyle"/>
<Option type="QString" value="0,0" name="offset"/>
<Option type="QString" value="3x:0,0,0,0,0,0" name="offset_map_unit_scale"/>
<Option type="QString" value="MM" name="offset_unit"/>
<Option type="QString" value="35,35,35,255,rgb:0.13725490196078433,0.13725490196078433,0.13725490196078433,1" name="outline_color"/>
<Option type="QString" value="solid" name="outline_style"/>
<Option type="QString" value="0.26" name="outline_width"/>
<Option type="QString" value="MM" name="outline_width_unit"/>
<Option type="QString" value="solid" name="style"/>
</Option>
<data_defined_properties>
<Option type="Map">
<Option type="QString" value="" name="name"/>
<Option name="properties"/>
<Option type="QString" value="collection" name="type"/>
</Option>
</data_defined_properties>
</layer>
</symbol>
</selectionSymbol>
</selection>
<blendMode>0</blendMode>
<featureBlendMode>0</featureBlendMode>
<layerGeometryType>2</layerGeometryType>
</qgis>

98
ui/tabs/tab_a.py
View File

@@ -1,12 +1,98 @@
from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QLabel, QLineEdit
from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QHBoxLayout, QLabel, QPushButton, QMessageBox
from qgis.PyQt.QtGui import QIcon, QPixmap
from qgis.PyQt.QtCore import Qt, QTimer
from qgis.core import Qgis, QgsProject, QgsMessageLog
from qgis.utils import iface
import os
from sn_verfahrensgebiet.logic.alkis_verfahrensgebiet import alkis_verfahrensgebiet
from sn_basis.logic.utils import zoom_to_layer
class TabA(QWidget):
tab_title = "Tab A"
tab_title = "Bearbeitung"
def __init__(self, parent=None):
super().__init__(parent)
layout = QVBoxLayout()
layout.addWidget(QLabel("Plugin1 – Tab A"))
layout.addWidget(QLineEdit("Feld A1"))
layout.addWidget(QLineEdit("Feld A2"))
layout.setAlignment(Qt.AlignmentFlag.AlignTop)
# Abschnitt 1: Verfahrensgebiet
row_verf_header = QHBoxLayout()
lbl_verf = QLabel("<b>Verfahrensgebiet</b>")
self.haken1 = self._haken_label()
row_verf_header.addWidget(lbl_verf)
row_verf_header.addWidget(self.haken1)
row_verf_header.addStretch()
layout.addLayout(row_verf_header)
row_verf_buttons = QHBoxLayout()
self.btn_verf_alkis = QPushButton("Aus ALKIS laden")
self.btn_verf_shape = QPushButton("Aus Shape laden")
row_verf_buttons.addWidget(self.btn_verf_alkis)
row_verf_buttons.addWidget(self.btn_verf_shape)
layout.addLayout(row_verf_buttons)
# Abschnitt 2: Flurstücke
row_flurst_header = QHBoxLayout()
lbl_flurst = QLabel("<b>Flurstücke</b>")
self.haken2 = self._haken_label()
row_flurst_header.addWidget(lbl_flurst)
row_flurst_header.addWidget(self.haken2)
row_flurst_header.addStretch()
layout.addLayout(row_flurst_header)
row_flurst_buttons = QHBoxLayout()
self.btn_flurst_alkis = QPushButton("Aus ALKIS laden")
self.btn_flurst_shape = QPushButton("Aus Shape laden")
row_flurst_buttons.addWidget(self.btn_flurst_alkis)
row_flurst_buttons.addWidget(self.btn_flurst_shape)
layout.addLayout(row_flurst_buttons)
layout.addStretch()
self.setLayout(layout)
# Beispiel: Haken anzeigen nach Klick
# self.button1.clicked.connect(lambda: alkis_verfahrensgebiet(self))
self.btn_verf_alkis.clicked.connect(lambda: self.handle_button1())
#self.button2.clicked.connect(lambda: self.setze_haken(self.haken2, True))
def handle_button1(self):
layer, neu_geladen = alkis_verfahrensgebiet(self)
if not layer or not layer.isValid():
return
if neu_geladen:
QgsProject.instance().addMapLayer(layer)
iface.mapCanvas().setExtent(layer.extent())
iface.mapCanvas().refresh()
# Beispiel: Haken setzen oder Meldung ausgeben
self.setze_haken(self.haken1, True)
# QMessageBox.information(self, "Info", "Layer 'Verfahrensgebiet' wurde neu geladen.")
else:
# Kein Zoom, kein Neu-Laden
QgsMessageLog.logMessage("Vorhandener Layer behalten.", "sn_verfahrensgebiet", level=Qgis.Info)
def _haken_label(self):
label = QLabel()
label.setFixedSize(20, 20)
# label.setAlignment(Qt.AlignCenter)
label.setAlignment(Qt.AlignmentFlag.AlignCenter)
label.setScaledContents(False)
label.setText("")
return label
def setze_haken(self, label: QLabel, aktiv: bool):
"""Zeigt oder entfernt den grünen Haken."""
if aktiv:
# grünes Unicode-Häkchen
label.setPixmap(QPixmap())
label.setText("✓")
label.setStyleSheet("color: #2ea043; font-weight: bold;")
else:
label.setPixmap(QPixmap())
label.setText("")
label.setStyleSheet("")