示例#1
0
 def setUp(self):
     db = SimpleGridDB()
     db.inventory.label = "test"
     db.inventory.queryType = "nearest"
     db.inventory.filename = "data/grid.spatialdb"
     db._configure()
     self._db = db
示例#2
0
 def setUp(self):
     db = SimpleGridDB()
     db.inventory.label = "test"
     db.inventory.queryType = "nearest"
     db.inventory.filename = "data/grid.spatialdb"
     db._configure()
     self._db = db
     return
示例#3
0
    def test_io(self):
        from spatialdata.spatialdb.SimpleGridAscii import SimpleGridAscii

        filename = "data/gridio.spatialdb"
        x = numpy.array([-2.0, 0.0, 3.0], dtype=numpy.float64)
        y = numpy.array([0.0, 1.0], dtype=numpy.float64)
        z = numpy.array([-2.0, -1.0, 2.0], dtype=numpy.float64)

        points = numpy.array(
            [
                [-2.0, 0.0, -2.0],
                [-2.0, 1.0, -2.0],
                [-2.0, 0.0, -1.0],
                [-2.0, 1.0, -1.0],
                [-2.0, 0.0, 2.0],
                [-2.0, 1.0, 2.0],
                [0.0, 0.0, -2.0],
                [0.0, 1.0, -2.0],  # query (5.7, 8.2)
                [0.0, 0.0, -1.0],
                [0.0, 1.0, -1.0],
                [0.0, 0.0, 2.0],
                [0.0, 1.0, 2.0],
                [3.0, 0.0, -2.0],
                [3.0, 1.0, -2.0],
                [3.0, 0.0, -1.0],
                [3.0, 1.0, -1.0],
                [3.0, 0.0, 2.0],
                [3.0, 1.0, 2.0],
            ],
            dtype=numpy.float64,
        )
        one = numpy.array(
            [6.6, 5.5, 2.3, 5.7, 6.3, 3.4, 7.2, 5.7, 3.4, 5.7, 9.4, 7.2, 4.8, 9.2, 5.8, 4.7, 7.8, 2.9],
            dtype=numpy.float64,
        )
        two = numpy.array(
            [3.4, 6.7, 4.1, 2.0, 6.7, 6.4, 6.8, 8.2, 9.8, 2.3, 8.5, 9.3, 7.5, 8.3, 8.5, 8.9, 6.2, 8.3],
            dtype=numpy.float64,
        )

        cs = CSCart()
        cs.initialize()

        writer = SimpleGridAscii()
        writer.inventory.filename = filename
        writer._configure()
        writer.write(
            {
                "points": points,
                "x": x,
                "y": y,
                "z": z,
                "coordsys": cs,
                "data_dim": 3,
                "values": [{"name": "one", "units": "m", "data": one}, {"name": "two", "units": "m", "data": two}],
            }
        )

        db = SimpleGridDB()
        db.inventory.label = "test"
        db.inventory.queryType = "nearest"
        db.inventory.filename = filename
        db._configure()
        self._db = db

        locs = numpy.array([[0.1, 0.95, -1.8]], numpy.float64)
        cs = CSCart()
        cs._configure()
        queryVals = ["two", "one"]
        dataE = numpy.array([[8.2, 5.7]], numpy.float64)
        errE = [0]

        db = self._db
        db.open()
        db.queryVals(queryVals)
        data = numpy.zeros(dataE.shape, dtype=numpy.float64)
        err = []
        nlocs = locs.shape[0]
        for i in xrange(nlocs):
            e = db.query(data[i, :], locs[i, :], cs)
            err.append(e)
        db.close()

        self.assertEqual(len(errE), len(err))
        for vE, v in zip(errE, err):
            self.assertEqual(vE, v)

        self.assertEqual(len(dataE.shape), len(data.shape))
        for dE, d in zip(dataE.shape, data.shape):
            self.assertEqual(dE, d)
        for vE, v in zip(numpy.reshape(dataE, -1), numpy.reshape(data, -1)):
            self.assertAlmostEqual(vE, v, 6)

        return
示例#4
0
    def test_io_3d(self):
        from spatialdata.spatialdb.SimpleGridAscii import SimpleGridAscii

        filename = "data/gridio3d.spatialdb"
        x = numpy.array([-2.0, 0.0, 3.0], dtype=numpy.float64)
        y = numpy.array([0.0, 1.0], dtype=numpy.float64)
        z = numpy.array([-2.0, -1.0, 2.0], dtype=numpy.float64)

        points = numpy.array(
            [
                [-2.0, 0.0, -2.0],
                [-2.0, 1.0, -2.0],
                [-2.0, 0.0, -1.0],
                [-2.0, 1.0, -1.0],
                [-2.0, 0.0, 2.0],
                [-2.0, 1.0, 2.0],
                [0.0, 0.0, -2.0],
                [0.0, 1.0, -2.0],  # query (5.7, 8.2)
                [0.0, 0.0, -1.0],
                [0.0, 1.0, -1.0],
                [0.0, 0.0, 2.0],
                [0.0, 1.0, 2.0],
                [3.0, 0.0, -2.0],
                [3.0, 1.0, -2.0],
                [3.0, 0.0, -1.0],
                [3.0, 1.0, -1.0],
                [3.0, 0.0, 2.0],
                [3.0, 1.0, 2.0],
            ],
            dtype=numpy.float64)
        one = numpy.array([
            6.6, 5.5, 2.3, 5.7, 6.3, 3.4, 7.2, 5.7, 3.4, 5.7, 9.4, 7.2, 4.8,
            9.2, 5.8, 4.7, 7.8, 2.9
        ],
                          dtype=numpy.float64)
        two = numpy.array([
            3.4, 6.7, 4.1, 2.0, 6.7, 6.4, 6.8, 8.2, 9.8, 2.3, 8.5, 9.3, 7.5,
            8.3, 8.5, 8.9, 6.2, 8.3
        ],
                          dtype=numpy.float64)

        cs = CSCart()
        cs.initialize()

        writer = SimpleGridAscii()
        writer.inventory.filename = filename
        writer._configure()
        writer.write({
            'points':
            points,
            'x':
            x,
            'y':
            y,
            'z':
            z,
            'coordsys':
            cs,
            'data_dim':
            3,
            'values': [
                {
                    'name': "one",
                    'units': "m",
                    'data': one
                },
                {
                    'name': "two",
                    'units': "m",
                    'data': two
                },
            ]
        })

        db = SimpleGridDB()
        db.inventory.label = "test"
        db.inventory.queryType = "nearest"
        db.inventory.filename = filename
        db._configure()
        self._db = db

        locs = numpy.array([[0.1, 0.95, -1.8]], numpy.float64)
        cs = CSCart()
        cs._configure()
        queryVals = ["two", "one"]
        dataE = numpy.array([[8.2, 5.7]], numpy.float64)
        errE = [0]

        db = self._db
        db.open()
        db.queryVals(queryVals)
        data = numpy.zeros(dataE.shape, dtype=numpy.float64)
        err = []
        nlocs = locs.shape[0]
        for i in xrange(nlocs):
            e = db.query(data[i, :], locs[i, :], cs)
            err.append(e)
        db.close()

        self.assertEqual(len(errE), len(err))
        for vE, v in zip(errE, err):
            self.assertEqual(vE, v)

        self.assertEqual(len(dataE.shape), len(data.shape))
        for dE, d in zip(dataE.shape, data.shape):
            self.assertEqual(dE, d)
        for vE, v in zip(numpy.reshape(dataE, -1), numpy.reshape(data, -1)):
            self.assertAlmostEqual(vE, v, 6)

        return
  def test_io_2d(self):
    from spatialdata.spatialdb.SimpleGridAscii import SimpleGridAscii

    filename = "data/gridio2d.spatialdb"
    x = numpy.array([-2.0, 0.0, 3.0], dtype=numpy.float64)
    y = numpy.array([0.0, 1.0], dtype=numpy.float64)

    points = numpy.array([
        [-2.0,  0.0],
        [-2.0,  1.0],
        [ 0.0,  0.0],
        [ 0.0,  1.0], # query (5.7, 8.2)
        [ 3.0,  0.0],
        [ 3.0,  1.0],
        ], dtype=numpy.float64)
    one = numpy.array([6.6, 5.5, 7.2, 5.7, 4.8, 9.2], dtype=numpy.float64)
    two = numpy.array([3.4, 6.7, 6.8, 8.2, 7.5, 8.3], dtype=numpy.float64)

    cs = CSCart()
    cs.inventory.spaceDim = 2
    cs._configure()
    cs.initialize()

    writer = SimpleGridAscii()
    writer.inventory.filename = filename
    writer._configure()
    writer.write({'points': points,
                  'x': x,
                  'y': y,
                  'coordsys': cs,
                  'data_dim': 2,
                  'values': [{'name': "one",
                              'units': "m",
                              'data': one},
                             {'name': "two",
                              'units': "m",
                              'data': two},
                             ]})

    db = SimpleGridDB()
    db.inventory.label = "test"
    db.inventory.queryType = "nearest"
    db.inventory.filename = filename
    db._configure()
    self._db = db

    locs = numpy.array( [[0.1, 0.95]], numpy.float64)
    queryVals = ["two", "one"]
    dataE = numpy.array( [[8.2, 5.7]], numpy.float64)
    errE = [0]

    db = self._db
    db.open()
    db.queryVals(queryVals)
    data = numpy.zeros(dataE.shape, dtype=numpy.float64)
    err = []
    nlocs = locs.shape[0]
    for i in xrange(nlocs):
      e = db.query(data[i,:], locs[i,:], cs)
      err.append(e)
    db.close()    

    self.assertEqual(len(errE), len(err))
    for vE, v in zip(errE, err):
      self.assertEqual(vE, v)

    self.assertEqual(len(dataE.shape), len(data.shape))
    for dE, d in zip(dataE.shape, data.shape):
      self.assertEqual(dE, d)
    for vE, v in zip(numpy.reshape(dataE, -1), numpy.reshape(data, -1)):
      self.assertAlmostEqual(vE, v, 6)

    return