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Geographic Information Systems : Recent Questions and Answers (Page 81)

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

Display "values" or "description" of Value Map in Attribute Table

I am using a geopackage with a number of tables, some of which I have added in a Value Map to the fields. The value map is to ensure...

Asked on 08/17/2021

1 answer

Manipulating data with a Handsontable spreadsheet in a Leaflet GeoJSON Layer and rerender the map

The goal is to add a spreadsheet view to a GeoJSON Layer to comfty edit the properties directly in the spreadsheet and the location (lat/long) within the map by dragging...

Asked on 08/17/2021 by Baba Wanga

1 answer

Assigning bands for cart classification

I am classifying Landsat 8 and Sentinel 1 in Google Earth Engine but the console tells me I do not have the required bands for classification even after assigning all...

Asked on 08/17/2021

0 answer

How to create a roadway using a topo values shapefile (survey points data) in Sketchup Pro?

I am a GIS Technician, new to Sketchup, I would like to know how to create a roadway in Sketchup Pro using a shapefile which is a survey points data...

Asked on 08/17/2021

0 answer

Iterate Field Value and Select by Attribute in ArcMap does not select rows after first iteration

I'm running ArcGIS 10.3 on Windows 10. I need to find all the Block names and identify the record with the largest area. Then I need to calculate the Species...

Asked on 08/17/2021 by MierMoto

1 answer

Create PDF Reports with a previous design for all records (Or selected ones) in QGIS

I have 3 different point layers in a project, they share an ID (they are trees and each tree has same ID in all layers). I would like to know...

Asked on 08/16/2021

0 answer

Documenting inability to Start Editing SQLite geodatabase layers in ArcMap?

I've recently started creating SQLite geodatabases using ArcGIS 10.2 for Desktop with both ST_GEOMETRY and SPATIALITE storage data types and was impressed by how easy this was to do. I...

Asked on 08/16/2021

3 answer

QGIS update feature geometry from attribute fields

I know how to get the geometry (x,y) into attribute fields with the calculator, but I can't figure out how to update the geometry from values contained in attributes. I...

Asked on 08/16/2021 by benny the spaceman

2 answer

How to extract source headers from gdal WMS driver?

I am using gdal.Warp and Mapzen Terrain Tiles in Python to generate arbitrary digital elevation models. I see in the Terrain Tiles Documentation that the Mapzen Terrain...

Asked on 08/16/2021 by maxmhuggins

0 answer

Shifting extent of overview map, keeping scale, centering on extent indicator in ArcGIS Pro

In ArcGIS Pro 2.7 I've created a map series with a main map frame (1:5000) and an overview map frame (1:250000) with an extent indicator of the main map frame....

Asked on 08/16/2021

1 answer

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