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[EXP] CANDELS big mosaic visualization #113

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@pllim pllim commented Feb 18, 2020

This notebook is an example to visualize a CANDELS mosaic image that is a single-extension FITS with the file size of 4.9 GB. The conclusion of this exercise is that I think Ginga can handle big mosaic natively as-is. I am not sure if this PR needs to be merged; I opened this so others can play around with this notebook on different machines and report back any problems. I did not notice any spikes in memory usage; I think the memmap helps a lot here.

p.s. Similar conclusion for Ginga standalone GUI but I did not try using all the plugins on this data, just Pick and Histogram.

cc @hcferguson

Example screenshot

Screenshot from 2020-02-18 11-41-54

@pllim pllim added the enhancement New feature or request label Feb 18, 2020
@pllim pllim requested a review from eteq February 18, 2020 16:48
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Awesome! I'll take a look.

Base automatically changed from master to main March 9, 2021 22:47
@pllim pllim closed this Jun 16, 2023
@pllim pllim deleted the hlsp-mosaic-📷 branch June 16, 2023 15:11
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