TopoToolbox / TopoToolbox/libtopotoolbox

Implement arcslope

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enhancement good first issue
Dominant language
C
Stars
2
Forks
11
PR merge metrics
No merged PRs in 30d

Description

Implement the ArcGIS-style gradient from GRIDobj.arcslope. I believe this could be very similar to gradient8, though it is implemented in MATLAB using a convolution.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the existing gradient8 implementation and the MATLAB GRIDobj.arcslope behavior referenced in the issue. Compare how the convolution-based ArcGIS-style gradient is defined, then verify that the C implementation matches that behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, matlab
Domain
data
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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