Visualizing a mosaic of patches in coadd

[stevenstetzler]

I am wondering if there is a tool similar to VisualizeMosaicExpTask for visualizing one or more tracts of a coadd, meaning multiple patches geometrically aligned in a mosaic. Figures 27-34 of DMTN-171 are exactly the visualizations I am hoping to make, for example:

[MelissaGraham]

Hi @stevenstetzler , I know you’re not working with DP0 data here but I wondered if this discussion might be relevant to you?

How to make a loop over tracts and patches to split the DC2 dataset

Hello, I would like to explore the whole DC2 dataset by using the data organisation according tracts and patches. I mean I want to retrieve all the objects belonging to a tract and a patch from the dp01_dc2_catalogs.object table. I am able to get from a query to the TAP service on dp01_dc2_catalogs.object table the list of tract numbers. But then I would like to have access to the information associated to each tract and patch, ie its center, its corners (in radec). I have seen that the bu…