Exemple #1
0
def test__RasterRow_value_access__add():
    test_a = pygrass.RasterRow(name="test_a")
    test_a.open(mode="r")

    test_b = pygrass.RasterRow(name="test_b")
    test_b.open(mode="r")

    test_c = pygrass.RasterRow(name="test_c")
    test_c.open(mode="w", mtype="FCELL", overwrite=True)

    buff_a = pygrass.Buffer(test_a.cols, test_a.mtype)
    buff_b = pygrass.Buffer(test_b.cols, test_b.mtype)
    buff_c = pygrass.Buffer(test_b.cols, test_b.mtype)

    for row in xrange(test_a.rows):
        test_a.get_row(row, buff_a)
        test_b.get_row(row,buff_b)

        for col in xrange(test_a.cols):
            buff_c[col] = buff_a[col] + buff_b[col]

        test_c.put_row(buff_c)

    test_a.close()
    test_b.close()
    test_c.close()
Exemple #2
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def test__RasterSegment_row_access__add():
    test_a = pygrass.RasterSegment(name="test_a")
    test_a.open(mode="r")

    test_b = pygrass.RasterSegment(name="test_b")
    test_b.open(mode="r")

    test_c = pygrass.RasterSegment(name="test_c")
    test_c.open(mode="w", mtype="DCELL", overwrite=True)

    buff_a = pygrass.Buffer(test_a.cols, test_a.mtype)
    buff_b = pygrass.Buffer(test_b.cols, test_b.mtype)

    for row in xrange(test_a.rows):
        test_a.get_row(row, buff_a)
        test_b.get_row(row,buff_b)
        test_c.put_row(row, buff_a + buff_b)

    test_a.close()
    test_b.close()
    test_c.close()
Exemple #3
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def test__RasterRow_row_access__if():
    test_a = pygrass.RasterRow(name="test_a")
    test_a.open(mode="r")

    test_c = pygrass.RasterRow(name="test_c")
    test_c.open(mode="w", mtype="CELL", overwrite=True)

    buff_a = pygrass.Buffer(test_a.cols, test_a.mtype)

    for row in xrange(test_a.rows):
        test_a.get_row(row, buff_a)
        test_c.put_row(buff_a > 50)

    test_a.close()
    test_c.close()
Exemple #4
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def test__RasterSegment_value_access__if():
    test_a = pygrass.RasterSegment(name="test_a")
    test_a.open(mode="r")

    test_c = pygrass.RasterSegment(name="test_c")
    test_c.open(mode="w", mtype="CELL", overwrite=True)

    buff_a = pygrass.Buffer(test_a.cols, test_a.mtype)

    for row in xrange(test_a.rows):
        test_a.get_row(row, buff_a)
        for col in xrange(test_a.cols):
            test_c.put(row, col, buff_a[col] > 50)

    test_a.close()
    test_c.close()