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g4me-time edited this page Jul 29, 2019 · 12 revisions

Himawari 8 Timelapse-Script

This small script automates the download of himawari-footage to simplify the process of creating timelapses.

Warning

This script will create/use a 'temp'-folder in the selected filepath-folder. Any *.png-files in this folder will be deleted.

Variables

base_url URL-template the script will download from.

filepath by default the current working directory, but can also be set manually.

resolution defines in what resolution the footage is downloaded, for detailed infos see resolution. Valid values are 1, 2, 4, 8, 16 and 20.

year, month, day, hour, minutes time and date of the first frame. The minutes need to be a multiple of 10 (e.g. 0, 10, 20, ...).

number_of_frames how many frames should be grabbed.

number frame at which the script will start to download (default: 1). Usefull to continue/finish a partially downloaded animation.

start_tile_x, start_tile_y tile-coordinates of upper left corner. See resolution for easier mapping.

number_of_tiles_x, number_of_tiles_y width/height of selected area in tiles (1 tile = 550px). start_tile_x+number_of_tiles_x and start_tile_y+number_of_tiles_yhave to be smaller than resolution. Try to keep the number of tiles as low as possible, to reduce unnecessary bandwidth and storage usage.

Resolution

The resolution-variable descibes in how many tiles (550x550px) the with/height of the complete globe-picture will be divided.

Use resolution = 20 for highest details. To find the right tiles at the different resolutions use the reference chart below. 100% comparison at different resolutions Reference for an easier selection of the wanted tiles

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