Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 522

Google Earth Engine map of GHSL filter year

I would like to know how could be possible to filer only one year of the dataset of GHSL?var dataset = ee.Image('JRC/GHSL/P2016/BUILT_LDSMT_GLOBE_V1');var builtUpMultitemporal = dataset.select('built');var visParams = { ...

Asked on 11/21/2020

0 answer

Can you regularize building footprints in QGIS like you do in ArcGIS?

I'm using LiDAR data where I've extracted the "building" category and created a raster dataset. I've then 'polygonized' the raster to create a vector polygon shapefile of building fooptrints. I'd...

Asked on 11/21/2020 by Darren

0 answer

Moving point A to point B with attributes using QGIS

I have an A layer containing points with a XX attribute.I would like to move (on points A) the points of a layer B with the same XX attribute...

Asked on 11/21/2020 by pasqal

1 answer

Implementing numpy.mean in Expression using Calculate Field Tool in ModelBuilder

I am using ArcGIS 10.4 ModelBuilder.I developed a model that iterates through a bunch of feature datasets. I need to add a field to each one of these...

Asked on 11/20/2020

0 answer

Python Shapely could not find 'geos_c.dll' in Windows 10

I was trying to install and work on 'Shapely' library of python on Windows 10. Installation was successful but when I tried to import it then it gave error :OSError:...

Asked on 11/20/2020 by Sonu Gadewar

0 answer

Map of Russia's administrative divisions

I'm looking for a map of the administrative divisions of Russia, on a rather local level. In Seeking polygon files corresponding to Russian Census? is presented a map on...

Asked on 11/20/2020 by Robin

1 answer

EPSG codes for projections to use when computing the area of global polygon sets in python env

The general answer to this question is "Use any equal area projection in units of meters that covers the world". Python code needed to make use of this is short...

Asked on 11/20/2020 by Jwely

1 answer

Cubic interpolation

I have an image, originally at 1000m resolution (lonlat projection).I want to warp it using cubic splines or cubic interpolation and download an image at 100m resolution (with same...

Asked on 11/20/2020 by thunder

0 answer

Equal area map projections: Lambert azimuthal or Albers conic?

When making small-scale regional maps on the order of 500-5000 km in extent where an equal-area projection is desirable, which would you prefer, the Lambert azimuthal or Albers conic? I...

Asked on 11/19/2020 by JedO

1 answer

Prevent deletes in a versioned table at the database level

I have a table in an Oracle 18c/10.7.1 geodatabase. The table is versioned with the option to move edits to base. As far as I can tell, it's not possible...

Asked on 11/18/2020

2 answer

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