Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 35151

The study and mapping of land surfaces, including relief (relative positions and elevations) and the position of natural and constructed features.

14 votes
Accepted

Is there a difference between the Planchon & Darboux and Wang and Liu depression filling alg...

From a theoretical point of view depression filling only has one solution, although there can be numerous ways of coming to that solution, which is why there are so many different depression filling a …
WhiteboxDev's user avatar
  • 11.1k
20 votes
Accepted

Getting Negative Topographic Wetness Index (TWI) values in SAGA GIS?

Again, remember that TWI is meant to be a relative index of wetness based on topography, we're not saying that a cell with a TWI value of 2 is twice as saturated as a cell with a TWI of 1. …
WhiteboxDev's user avatar
  • 11.1k
1 vote
Accepted

Topographic Index - Why is upslope contributing area divided by downslope contour width and ...

When you perform a flow accumulation on a DEM, the upslope area is defined as all of the inflowing grid cells AND the cell itself. Thus, a grid cell is actually part of its own contributing area. The …
WhiteboxDev's user avatar
  • 11.1k
5 votes

Identifying highs on DEM using ArcGIS Spatial Analyst?

One easy way of doing this would be to inverse your DEM by multiplying it by negative one (Raster Calculator) then running the Fill tool on the inverted DEM. Finally, subtract the filled DEM from the …
WhiteboxDev's user avatar
  • 11.1k