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@nbayashi(Naoya Nishibayashi)

【pyqgis】ベクターデータの選択地物を別レイヤに

Posted at

マップ上で選択する

input_lyr = iface.activeLayer()
input_lyr.selectByExpression('"カラム" =' + 値, QgsVectorLayer.SetSelection)

選択地物をインスタンス化する

#例えば属性検索で地物を選択
selection = input_lyr.selectByExpression('"カラム"=' + "値")

# 選択地物をインスタンス化
selected_lyr = input_lyr.materialize(QgsFeatureRequest().setFilterFids(input_lyr.selectedFeatureIds()))

# レイヤに追加
QgsProject.instance().addMapLayer(selected_lyr)
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