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Python QgsJSONExporter.setIncludeAttributes方法代碼示例

本文整理匯總了Python中qgis.core.QgsJSONExporter.setIncludeAttributes方法的典型用法代碼示例。如果您正苦於以下問題:Python QgsJSONExporter.setIncludeAttributes方法的具體用法?Python QgsJSONExporter.setIncludeAttributes怎麽用?Python QgsJSONExporter.setIncludeAttributes使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在qgis.core.QgsJSONExporter的用法示例。


在下文中一共展示了QgsJSONExporter.setIncludeAttributes方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: testJSONExporter

# 需要導入模塊: from qgis.core import QgsJSONExporter [as 別名]
# 或者: from qgis.core.QgsJSONExporter import setIncludeAttributes [as 別名]

#.........這裏部分代碼省略.........
        exporter.setAttributes([1, 2])
        exporter.setExcludedAttributes([0, 1])
        expected = """{
   "type":"Feature",
   "id":5,
   "geometry":
   {"type": "Point", "coordinates": [5, 6]},
   "properties":{
      "population":198
   }
}"""
        self.assertEqual(exporter.exportFeature(feature), expected)

        exporter.setAttributes([])
        exporter.setExcludedAttributes([])

        # test excluding geometry
        exporter.setIncludeGeometry(False)
        self.assertEqual(exporter.includeGeometry(), False)
        feature.setGeometry(QgsGeometry(QgsLineString(l)))

        expected = """{
   "type":"Feature",
   "id":5,
   "geometry":null,
   "properties":{
      "name":"Valsier Peninsula",
      "cost":6.8,
      "population":198
   }
}"""
        self.assertEqual(exporter.exportFeature(feature), expected)
        exporter.setIncludeGeometry(True)

        feature.setGeometry(QgsGeometry(QgsPointV2(5, 6)))

        # test excluding attributes
        exporter.setIncludeAttributes(False)
        self.assertEqual(exporter.includeAttributes(), False)
        expected = """{
   "type":"Feature",
   "id":5,
   "geometry":
   {"type": "Point", "coordinates": [5, 6]},
   "properties":null
}"""
        self.assertEqual(exporter.exportFeature(feature), expected)

        exporter.setIncludeGeometry(False)
        expected = """{
   "type":"Feature",
   "id":5,
   "geometry":null,
   "properties":null
}"""
        self.assertEqual(exporter.exportFeature(feature), expected)
        exporter.setIncludeAttributes(True)

        # test overriding ID
        expected = """{
   "type":"Feature",
   "id":29,
   "geometry":null,
   "properties":{
      "name":"Valsier Peninsula",
      "cost":6.8,
      "population":198
   }
}"""
        self.assertEqual(exporter.exportFeature(feature, id=29), expected)

        # test injecting extra attributes
        expected = """{
   "type":"Feature",
   "id":5,
   "geometry":null,
   "properties":{
      "name":"Valsier Peninsula",
      "cost":6.8,
      "population":198,
      "extra":"val1",
      "extra2":2
   }
}"""
        self.assertEqual(exporter.exportFeature(feature, extraProperties={"extra": "val1", "extra2": 2}), expected)

        exporter.setIncludeAttributes(False)
        expected = """{
   "type":"Feature",
   "id":5,
   "geometry":null,
   "properties":{
      "extra":"val1",
      "extra2":{"nested_map":5,
"nested_map2":"val"},
      "extra3":[1,2,3]
   }
}"""
        self.assertEqual(exporter.exportFeature(feature, extraProperties={"extra": "val1", "extra2": {"nested_map": 5, "nested_map2": "val"}, "extra3": [1, 2, 3]}), expected)
        exporter.setIncludeGeometry(True)
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