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Add official support for CFX .res files (#1620)
* Mark res as supported in doc landing page Signed-off-by: paul.profizi <[email protected]> * Add a CFX examples section Signed-off-by: paul.profizi <[email protected]> * Fix download_cfx_mixing_elbow in downloads.py Signed-off-by: paul.profizi <[email protected]> * Add an example for CFX .res files Signed-off-by: paul.profizi <[email protected]> * Proposal: automatically set .res CFX files as cas and dat Signed-off-by: paul.profizi <[email protected]> * Skip the DataSources Signed-off-by: paul.profizi <[email protected]> * Update 00-cfx_res_files.py Signed-off-by: paul.profizi <[email protected]> * Add test Signed-off-by: paul.profizi <[email protected]> --------- Signed-off-by: paul.profizi <[email protected]>
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‎doc/source/index.rst‎

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@@ -24,7 +24,7 @@ apps by DPF and their related formats:
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| || .rst, .mode || **1.0** and later | :ref:`ref_basic_example` |
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| MAPDL || .rfrq, .rdsp || (*Ansys 2021 R1*) | |
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+--------------------+------------------------+----------------------------------+----------------------------------+
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| LS DYNA | .d3plot, .binout || **4.0** and later | :ref:`lsdyna_operators` |
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| LS DYNA | .d3plot, .binout || **4.0** and later | :ref:`examples_lsdyna` |
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| | || (*Ansys 2022 R2*) | |
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+--------------------+------------------------+----------------------------------+----------------------------------+
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| || *CFF restart files* || | :ref:`ref_fluids_model` |
@@ -34,12 +34,13 @@ apps by DPF and their related formats:
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| || *Project files* | | :ref:`ref_fluids_results` |
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| || .flprj | | |
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+--------------------+------------------------+----------------------------------+----------------------------------+
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| || *CFF files* || | :ref:`ref_fluids_model` |
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| || *CFF files* || | :ref:`examples_cfx` |
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| || .cas/dat.cff || +----------------------------------+
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| | || **7.0** and later | :ref:`ref_fluids_mesh` |
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| || .res || **7.0** and later | :ref:`ref_fluids_model` |
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| CFX +------------------------+| (*Ansys 2024 R1 pre0*) +----------------------------------+
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| || *Project files* | | :ref:`ref_fluids_results` |
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| || .flprj | | |
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| || *Project files* | | :ref:`ref_fluids_mesh` |
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| || .flprj | +----------------------------------+
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| || | | :ref:`ref_fluids_results` |
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+--------------------+------------------------+----------------------------------+----------------------------------+
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Visualisation is ensured by VTK and leverages `PyVista tools

‎examples/15-cfx/00-cfx_res_files.py‎

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"""
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.. _ref_cfx_res_files:
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Read CFX `.res` files
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---------------------
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This example demonstrates how to read Ansys CFX `.res` files.
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.. note::
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This example requires DPF 7.0 (ansys-dpf-server-2024-1-pre0) or above.
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For more information, see :ref:`ref_compatibility`.
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"""
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###############################################################################
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# Exploring an Ansys CFX `.res` file
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# ----------------------------------
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# The first part of the example demonstrates how you can load an
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# Ansys CFX `.res` file in a model.
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import ansys.dpf.core as dpf
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from ansys.dpf.core import examples
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path = examples.download_cfx_mixing_elbow()
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model = dpf.Model(path)
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print(model)
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###############################################################################
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# Exploring the mesh
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# ~~~~~~~~~~~~~~~~~~
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# Explore the mesh through the ``MeshInfo``. The ``MeshInfo`` provides metadata
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# information about the mesh. For fluid models, it is useful to know the bodies and
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# face zones, as well as the topological relationships between them. First get all
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# the available information in the ``MeshInfo``.
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mesh_info = model.metadata.mesh_info
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print(mesh_info)
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###############################################################################
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# The ``MeshInfo`` exposes several helpers, such as a dictionary of available bodies:
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print(mesh_info.bodies)
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###############################################################################
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# Or the dictionary of available face zones:
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print(mesh_info.face_zones)
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###############################################################################
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# Exploring the results
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# ~~~~~~~~~~~~~~~~~~~~~
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# Explore the available results through the ``ResultInfo``.
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# The ``ResultInfo`` provides metadata information about the results stored in the files.
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# First get all the available information in the ``ResultInfo``.
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# As you can see above, the ``ResultInfo`` information is also listed when printing the ``Model``.
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result_info = model.metadata.result_info
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print(result_info)
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###############################################################################
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# The ``ResultInfo`` class exposes the list of ``AvailableResults``.
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print(result_info.available_results)
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###############################################################################
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# Extracting data
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# ~~~~~~~~~~~~~~~
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# Extracting the mesh or results is then the same as for any other file type.

‎examples/15-cfx/README.txt‎

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.. _examples_cfx:
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CFX examples
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============
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These examples show how to post-process CFX result files.
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‎src/ansys/dpf/core/data_sources.py‎

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@@ -119,11 +119,16 @@ def set_result_file_path(self, filepath, key=""):
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['/tmp/file.rst']
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"""
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extension = os.path.splitext(filepath)[1]
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# Handle .res files from CFX
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if key == "" and extension == ".res":
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key = "cas"
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self.add_file_path(filepath, key="dat")
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# Handle no key given and no file extension
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if key == "" and os.path.splitext(filepath)[1] == "":
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if key == "" and extension == "":
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key = self.guess_result_key(str(filepath))
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# Look for another extension for .h5 and .cff files
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if key == "" and os.path.splitext(filepath)[1] in [".h5", ".cff"]:
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if key == "" and extension in [".h5", ".cff"]:
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key = self.guess_second_key(str(filepath))
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if key == "":
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self._api.data_sources_set_result_file_path_utf8(self, str(filepath))

‎src/ansys/dpf/core/examples/downloads.py‎

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@@ -1565,9 +1565,9 @@ def download_cfx_heating_coil(
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def download_cfx_mixing_elbow(
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should_upload: bool = True, server=None, return_local_path=False
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) -> dict:
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"""Download the flprj, cas and dat files of a CFX analysis of a mixing elbow
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and return the download paths into a dictionary extension->path.
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) -> str:
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"""Download the res file of a CFX analysis of a mixing elbow
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and return the download path.
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If the server is remote (or doesn't share memory), the file is uploaded or made available
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on the server side.
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@@ -1587,28 +1587,26 @@ def download_cfx_mixing_elbow(
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Returns
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-------
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dict[str:str]
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Path to the example files.
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str:
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Path to the example file.
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Examples
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--------
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Download an example result file and return the path of the file
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>>> from ansys.dpf.core import examples
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>>> paths = examples.download_cfx_mixing_elbow()
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>>> paths
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{'cas': 'C:\\Users\\user\\AppData\\Local\\ansys-dpf-core\\ansys-dpf-core\\examples\\cfx-mixing_elbow\\InjectMixer.res',
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'dat': 'C:\\Users\\user\\AppData\\Local\\ansys-dpf-core\\ansys-dpf-core\\examples\\cfx-mixing_elbow\\InjectMixer.res'} # noqa: E501
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>>> path = examples.download_cfx_mixing_elbow()
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>>> path
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'C:\\Users\\user\\AppData\\Local\\ansys-dpf-core\\ansys-dpf-core\\examples\\cfx-mixing_elbow\\InjectMixer.res' # noqa: E501
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"""
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file = _download_file(
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return _download_file(
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"result_files/cfx-mixing_elbow",
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"InjectMixer.res",
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should_upload,
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server,
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return_local_path,
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)
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return {"cas": file, "dat": file}
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def find_simple_bar(should_upload: bool = True, server=None, return_local_path=False) -> str:

‎tests/test_datasources.py‎

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@@ -60,7 +60,6 @@ def test_setresultpath_data_sources_no_extension(d3plot_beam, binout_glstat, ser
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def test_set_resultpath_data_sources_h5(server_type):
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from ansys.dpf.core import examples
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cas_h5_file = examples.download_fluent_axial_comp(server=server_type)["cas"][0]
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print(cas_h5_file)
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data_sources = dpf.core.DataSources(server=server_type)
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data_sources.set_result_file_path(cas_h5_file)
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assert data_sources.result_key == "cas"
@@ -71,14 +70,21 @@ def test_set_resultpath_data_sources_h5(server_type):
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def test_set_resultpath_data_sources_cff(server_type):
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from ansys.dpf.core import examples
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cas_h5_file = examples.download_cfx_heating_coil(server=server_type)["cas"]
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print(cas_h5_file)
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data_sources = dpf.core.DataSources(server=server_type)
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data_sources.set_result_file_path(cas_h5_file)
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assert data_sources.result_key == "cas"
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data_sources = dpf.core.DataSources(result_path=cas_h5_file, server=server_type)
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assert data_sources.result_key == "cas"
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80+
def test_set_resultpath_data_sources_cfx_res(server_type):
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from ansys.dpf.core import examples
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res_file = examples.download_cfx_mixing_elbow(server=server_type)
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data_sources = dpf.core.DataSources(server=server_type)
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data_sources.set_result_file_path(res_file)
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assert data_sources.result_key == "cas"
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def test_addupstream_data_sources(allkindofcomplexity, server_type):
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data_sources = dpf.core.DataSources(server=server_type)
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data_sources2 = dpf.core.DataSources(server=server_type)

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