.. _fields_data_source_page: *********** Data Source *********** .. |img| image:: images/image_datasource_add.png :scale: 50 % Data Source for all presentations of Fields module is a MED file. To add Data Source into Fields module, choose **File > Add Data Source** menu (or click **Add Data Source** |img| button in the *Datasource* toolbar). This shows a standard dialog that allows browsing and choosing \*.med files: .. image:: images/image_file_search.png :align: center Select a file and confirm your choice by pressing **Open** button. As a result, Data Source representation appears in **Object Browser**: .. image:: images/image_data_source_representation.png :align: center It contains the following information: * A path to the MED file (root Data Source item), * A list of the meshes present in the Data Source, * For each Mesh item - a list of the fields plus **Mesh view** presentation item. Also, :ref:`fields_mesh_presentation_page` is displayed in 3D Viewer.