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Feature request - Ocean Colour/temperature #21

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giswqs opened this issue Dec 30, 2021 Discussed in #20 · 10 comments
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Feature request - Ocean Colour/temperature #21

giswqs opened this issue Dec 30, 2021 Discussed in #20 · 10 comments
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giswqs commented Dec 30, 2021

Discussed in #20

Originally posted by ChrisHarrod December 30, 2021
Firstly, many thanks for a great application!

Further to my request on Twitter, I would like to ask if it is possible to include some oceanographic options such sea surface temperature or chlorophyll a concentrations. As requested, I looked in the Google Earth Engine catalogue and the products most used by people looking to show variation over time are things like the Sentinal https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S3_OLCI or Modis https://developers.google.com/earth-engine/datasets/catalog/NASA_OCEANDATA_MODIS-Aqua_L3SMI

All the best
Chris
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giswqs commented Dec 30, 2021

@ChrisHarrod Thank you for the suggestion. I should be able to implement early next week. Stay tuned.

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ChrisHarrod commented Dec 30, 2021 via email

@giswqs giswqs mentioned this issue Dec 31, 2021
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giswqs commented Dec 31, 2021

Source code has been implemented in geemap. Will add to the streamlit web app soon.

import geemap
geemap.ee_initialize()
title = "Gulf of Mexico - Sea Surface Temperature", 
geemap.modis_ocean_color_timelapse("Aqua", "2020-01-01", "2021-01-01", bands=["sst"], frequency="week", title=title, out_gif="modis.gif")

https://github.com/giswqs/geemap/blob/0b5b51cd90a30819a55112f410921a325e94caf1/geemap/timelapse.py#L3121-L3130


modis

giswqs added a commit that referenced this issue Dec 31, 2021
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Added MODIS ocean color app #21
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giswqs commented Dec 31, 2021

It has been implemented. Try it out at https://streamlit.gishub.org

image

@giswqs giswqs added the Feature Request New feature or request label Dec 31, 2021
@giswqs giswqs self-assigned this Dec 31, 2021
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giswqs commented Dec 31, 2021

A colorbar will be added to the timelapse soon. #24

import geemap
import geemap.colormaps as cm 
geemap.save_colorbar(vis_params={'min': 20, "max":40, 'palette': cm.get_palette("coolwarm")}, tick_size=12, label="Surface temperature")

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ChrisHarrod commented Dec 31, 2021 via email

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giswqs commented Jan 1, 2022

A colorbar can now be added automatically based on the selected palette. Try it out at https://streamlit.gishub.org. Feel free to let me know if you run into any issues.

@giswqs giswqs closed this as completed Jan 1, 2022
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ChrisHarrod commented Jan 3, 2022 via email

giswqs added a commit that referenced this issue Jan 3, 2022
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Added vis params for timelapse #21
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giswqs commented Jan 3, 2022

I just added an option for entering visualization parameters. You can enter something like {'min': 23, 'max': 32}. See the sceenshot below. The colorbar will change accordingly.

Screenshot_20220103_155416

modis

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ChrisHarrod commented Jan 3, 2022 via email

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