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Download Settings Guide

Dates

  • Select the start and end date to download imagery between
  • You can change these and click download imagery to download more imagery for same ROI(s)

Months

  • To only download imagery for certain months hit the check boxes
  • These months are saved in the 'months_list' to the right as the month number (eg. 1 for January etc.)

download settings dates

Cloud Masking

  • You can switch off cloud masking so that the images saved in 'Coastseg/data//jpg_files\preprocessed\RGB' don't have the cloud mask applied

  • You can turn on/off cloud masks when extracting shoreline too

Example of Masked Out Clouds

masked out clouds

apply cloud mask

Cloud Threshold

  • This controls the maximum percentage of clouds allowed in the downloaded images

Percentage Bad Pixels

  • This controls the maximum percentage of bad pixels (cloud and no data combined) allowed in the downloaded images

image

Resumable Downloads

To resume a partial download follow the following steps:

1.Click Load Session

2.Navigate to the 'CoastSeg/data' and load an ROI

3.Modify the date range, months list, or percentage of bad pixel settings

4.Click save settings

5.Click Download Imagery

image download continue and skip

  • In this screenshot you can see some images were skipped due to the cloud cover exceeded the maxmium percentage of clouds allowed set by the 'cloud thresh' settings

  • In this screenshot you can see that for L8 21 images were available to download but 7 already had been downloaded so only 14 were remaining to download