MODIS NDVI Times Series Animation in Google Earth Engine [GEE]

[@boi_ratie]

Hello, i am working on this and just when i was almost done i got an error: Image asset 'users/gena/fonts/Arial30' not found. How can i solve it

[@ksabmagar7]

probably because something might be missing in your codes, please check line by line, thankyou

[@gezahagnnegash9740]

Thanks for sharing, it's helpful.

[@ksabmagar7]

:-)

[@adrianalonso7583]

Thank you so much, i'm going to try with Sentinel2

[@ksabmagar7]

Cool :)

[@oznurabdioglu3219]

hello, teacher. Can we use NDVI in our glaciers study?

[@ksabmagar7]

Hello, thankyou for the question. Firstly, I am not a teacher, but a learner like you. As for the NDVI in glacier study, I am sure it is used as many of the parameters in modeling study. Please search the relevant literature, you will sure find the appropriate methodologies. -Thankyou

[@mudasaramjad6684]

great work! can we create this animation with other ee.imagcollection data sets? such as LAI from the GEE catalog. where we have a composite image of 4 days?

[@ksabmagar7]

yes, the things will be the same, try changing the dataset.

[@MuddasirShah]

Beautiful

[@ksabmagar7]

Thank you :)

[@AshrafulIslam-cc3lp]

Great video indeed, wondering if it is possible to use the code on a small study area to represent NDWI time-series animation?

[@ksabmagar7]

probaby caluclating NDWI from the sentinel 2, and stacking the collection to generate the timeseries might help, the process is similar. thanks!

[@JDKSH25]

Thank you. Works perfectly. Moreover, shows interannual changes. Could you inform how to extract database? İ really appreciate

[@ksabmagar7]

By database, if you mean spatio-temporal statistics (finding mean and others), there is tutorial in the earth engine tutorials, may be you can follow from there. OR may be I am not clear with your question. -Thankyou

[@JDKSH25]

@@ksabmagar7 sure. İ mean statistical data.

[@ksabmagar7]

@@JDKSH25 Then check this, developers.google.com/earth-engine/tutorials/community/spatiotemporal-image-statistics you can modify this for your use.

[@manglem10]

Can we print each of the time series imshes

[@ksabmagar7]

Yes, we can. There is a function to do that getFilmstripThumbUrl. Thanks!

[@manglem10]

@@ksabmagar7 Thank you Is the script use here an open source code where can we get it

[@ksabmagar7]

@@manglem10 yes you can, the resource is adapted from the earth engine guides. For what you were asking, there is the example for that too. developers.google.com/earth-engine/guides/ic_visualization#filmstrip -Thanks

[@bhaskarshrestha318]

Thank you very much for the effort!!! I followed the steps as mentioned, however I am getting an error at the end stating: "A mapped function's arguments cannot be used in client-side operations." in the second last line "print(rgbVis.getVideoThumbURL(gifParams));"

[@ksabmagar7]

This happens when server-side object and client-side object get mixed. There sure must have been some mixing unknowingly.

[@katunduchabala7266]

@@ksabmagar7 Getting a different error: List index must be between 0 and 0, or -1 and -1. Found 1. Any solutions?

[@katunduchabala7266]

@@ksabmagar7 managed to resolve it. Problem was with spelling in one of the lines. Thanks again!

[@ksabmagar7]

@@katunduchabala7266 good to know. :)