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user:1234 user:me (yours) |
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2
votes
2
answers
4k
views
How can I calculate the radius or curvature of a meandering river?
I want to calculate the radius of curvature of a meandering river with ArcGIS 10.1. I have used the Planform Statistic Tool, developed by the National Center for Earth-surface Dynamics, to calculate w …
2
votes
1
answer
1k
views
How to reproject data in multiple UTM zones? (DRCongo, Rwanda and Uganda)
I am working in the area near to Virunga National Park, in DRCongo, Uganda and Rwanda.
I have established my working area in the zone 35 south. However, I also have to work with data from Uganda and …
2
votes
2
answers
3k
views
How to interpolate population data?
I have population data (inhabitants per city and year) of 31 cities of the DR Congo for the years 1960, 1970, 1980 and 1990. I want to interpolate the population of all cities for the year 1990, to es …
1
vote
1
answer
759
views
Habitat fragmentation tool error
I am trying to calculate the habitat fragmentation of a forested region in Africa in order to protect the areas less fragmented. I have used the tool "Landscape Fragmentation Tool V2 requiring Spatial …
2
votes
2
answers
1k
views
Merge layers and fill gaps
I have 14 layers, which are polygons. They represent the channel of a river at different periods. I need to fill the gaps that exist once I overlay the polygons, but I can't change the properties of t …
0
votes
1
answer
99
views
creating a new layer based on colour characteristics
I have 14 polygon layers. I have plotted them as transparent layers, so I can get a final layer with 6 different colours, which represent different categories. I want to create a new layer made by the …