Import Data

Imviz can load data in the form of a filename (FITS, JPEG, or PNG), an NDData object, or a NumPy array if the data is 2D. See jdaviz.configs.imviz.Imviz.load_data for more information.

Importing data through the GUI

The first way that you can load your data into the Imviz application is by clicking the Import button at the top left of the application’s user interface. This opens a dialogue where the user can select a file that can be parsed as a NDData, HDUList, or ImageHDU in the text field.

After clicking Import, the data file will be parsed and loaded into the application. A notification will appear to let users know if the data import was successful. Afterward, the new data set can be found in the Data tab of each viewer’s options menu as described in Selecting Data Set.

Importing data via the API

Alternatively, if you are working in a coding environment like a Jupyter notebook, you have access to the Imviz helper class API. Using this API, users can load data into the application through code using the load_data() method, which takes as input either the name of a local file, an NDData, HDUList, or ImageHDU object.