Questions tagged [rgee]
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8 questions
2 votes
4 answers
2k views
Authentification error when installing RGEE in RStudio
I am attempting to install the rgee package in RStudio, following this tutorial (https://cran.r-project.org/web/packages/rgee/vignettes/rgee01.html). I already have Google Cloud and Python installed. ...
- 861
1 vote
1 answer
157 views
Opacity ramp in palette to visualize multi-band image in Google Earth Engine
I want to visualize an image on the Earth Engine with an opacity ramp such that the low value pixels are completely transparent. Take as as example road intensity. I am trying to make an opacity ramp ...
- 113
1 vote
0 answers
63 views
Creating annual spatial index maps of Landsat collection [closed]
I am trying to create spatial annual mean index (using bands expression) maps in rstudio using rgee. I would like to use Landsat5, Landsat7 and Landsat8 L2 data. Workflow: Reading in Landsat5, ...
- 11
1 vote
1 answer
532 views
Export list (properties of image) from GEE
I tried to export a list, which is the values from the image from gee. I tried both Export.image.toDrive() and Export.table.toDrive(). But they don't work. Below are the codes I am using (an example ...
- 11
1 vote
1 answer
603 views
ee.reducer.max - derive which image contained the max value?
I am using rgee for the Google Earth Engine API in R to reduce an image collection and obtain the max value for each cell - this works fine. Is there an equivalent function to "which.max" R ...
- 13
1 vote
1 answer
430 views
RGEE: calculate per pixel maximum NDVI value in a given year
I'm trying to use RGEE to get the yearly maximum NDVI value per pixel. The code I've written however outputs an image consisting of the maximum NDVI value within the whole region (see image below), ...
- 11
0 votes
1 answer
159 views
Reduce Image Collection to Sum when Image do not always overlap in Google Earth Engine or rgee?
I am trying to generate a single image that is the sum of 16 images. Some of the pixels in the 16 individual images do not overlap with each other. I have tried ColG2 <- ee$ImageCollection(list(...
- 45
0 votes
1 answer
285 views
Reducing image to vectors in rgee
I am using the package rgee in R to process satellite data via GEE. I have a Feature Collection: Counties<-ee$FeatureCollection('users/stephherbstritt/Counties') And an image: corn16<-ee$Image('...
- 29