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Geographic Information Systems : Recent Questions and Answers (Page 503)

Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.

Obtaining time series of water extents per plot using landsat NDWI data available on GEE

I wanted to obtain a monthly time series estimate of the water surface for each of 67 survey plots (500m circles). However, I could not figure out how to correctly...

Asked on 12/05/2020 by Batbr

0 answer

gdalwarp DEM with different resolution extents

I'm trying to convert DEM source (LIDAR is original source, in ASC format) to a custom internal format that has specific resolution and alignment values. I also want...

Asked on 12/05/2020 by TazMainiac

1 answer

Count number of monthly water pixels from JRC Water History Collection using Google Earth Engine - Rgee

I'm trying count the number of monthly water pixels from JRC Water History Collection using Google Earth Engine - Rgee, over a set of regions. https://developers.google.com/earth-engine/datasets/catalog/JRC_GSW1_2_MonthlyHistory This...

Asked on 12/05/2020 by Matthew J Watts

1 answer

QGIS 3 lags and/or crashes

QGIS crashes relatively often on my computer with Windows 10. How can I research what is happening before the crash happens? Better, it is not crashing with the dialog "ooops,...

Asked on 12/05/2020

0 answer

Can't open shapefile with GeoPandas

I downloaded a shapefile from the Brazilian Institute of Geography and Statistics (IBGE). I can open it on QGIS and work with it perfectly there, but I need to work...

Asked on 12/05/2020 by zampnrs

1 answer

Adding feature class and applying symbology in ArcGIS Pro using ArcPy?

Using an ArcPy script run from a toolbox, I want to import a feature class from a geodatabase into an ArcGIS Pro 2.1.2 map and then symbolise that layer based...

Asked on 12/05/2020 by smh

1 answer

How do I change the display unit without changing the coordinates numbers?

(X= 716 562,800911 Y= 3 568 493,622591 "Decimal Degrees") My problem is that the coordinates are correct but displayed with the wrong unit, it should be meters. When I try to use...

Asked on 12/05/2020 by Rania Badaoui

1 answer

EarthEngine - Create a Clipped Global Surface Water Occurrence Layer

I am looking to create an inland surface water layer using Earth Engine. The JRC Global Surface Water Mapping Layers, v1.2 - Occurrence band is exactly what I want, but...

Asked on 12/05/2020 by hotshotiguana

0 answer

Lat/Long data to shapefile with many values in CSV dataset

I have my polygon spatial data in a format of CSV with the column of lat/long delimited by comma. Is there any way to upload this csv and got polygon...

Asked on 12/05/2020 by mrakoplas

1 answer

How to mosaic multiple raster datasets?

I have more than 50 raster files. I have used to mosaic to new raster tool on Arcgis and I wonder if there's anyway I can select all rasters instead...

Asked on 12/05/2020

1 answer

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