Questions tagged [accumulated]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
2 answers
75 views

QGIS Field calculator cumulative sum with non-numerical index

I need to create an attribute with cumulative sum of another attribute. The values are sorted by a string attribute. I just found posts that involved the numerical id of the features. I've tried to ...
user avatar
0 votes
0 answers
24 views

Accumulate values in raster cells with backlink connectivity

I have origin points in different regions and within these region also specific values within raster cells (with 50m resolution). My goal is to sum up the values of all previous cells in the ...
user avatar
  • 37
1 vote
0 answers
48 views

Path distance tool only downhill using ArcGIS Desktop

I'm working on a protection forest model against avalanches and rockfall processes and I have a problem with the path distance tool. I want to calculate the accumulated costs of rockfs travelling ...
user avatar
2 votes
2 answers
208 views

Create cumulative raster layer in QGIS

I need to create a new raster layer with cumulative values for 16 raster layers. For context, each raster layer represents an 'areas burnt' in a given year - essentially, I want a new layer that ...
user avatar
  • 21
0 votes
0 answers
217 views

Calculating Degree Days using iterate() and accumulate() functions

I am trying to calculate degree days using landsat's thermal band for a very specific geographic area and temporal range. I am having trouble coming up with a method that would allow me to get the ...
user avatar
3 votes
1 answer
178 views

Calculate accumulated distance with road network

I am working on a project in ArcMap and the task I am working on goes as follows: Calculate the accumulated distance (in meters) of every pixel on the map to Itaituba taking the road network into ...
user avatar
  • 373
1 vote
0 answers
439 views

Accumulated cost surface (Tobler's hiking function) ignoring slope using R gdistance?

Background I wish to calculate in R the isochrones moving from a location outwards, implementing the Tobler's hiking function via the gdistance package (https://cran.r-project.org/web/packages/...
user avatar
  • 1,454