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hotosm / tasking-manager

Tasking Manager - The tool to team up for mapping in OpenStreetMap
https://wiki.openstreetmap.org/wiki/Tasking_Manager
BSD 2-Clause "Simplified" License
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[BUG] Task grid does not trim to the area of interest for mapping #6638

Open Jorieke opened 3 days ago

Jorieke commented 3 days ago

Describe the bug I'm a project manager that does want to create a new project on the HOT TM. I import a file as my area of interest and want to create small tasks of it. When I use the trim functionality, it does not fully trim back to my area of interest. My whole area of interest is not covered by tasks.

To Reproduce Steps to reproduce the behavior:

  1. Click Manage
  2. Create new project
  3. Step 1: Define area > Select file > select geojson file from my computer > Next
  4. Step 2: Set task sizes > smaller ( I want to have tasks size 0.08km2) > Next
  5. Step 3: Trim Task Grid > Trim This is where you see that the trimming excludes some of the parts of the area of interest.

Screenshots When clicking just Trim: image

When checking Trim the tasks to define the exact Area of Interest for Mapping. And than Trim: image

In orange you see the area of interest I uploaded, which is thus not completely covered by task areas.

Attached you can find as well the area of interest that I am using for this. AoI for HOT TM.zip

SColchester commented 2 days ago

Just tested and I got the same problem, this is the first time I've come across this issue and must be related to the method that TM uses to select tasks for trimming. @ramyaragupathy is there any more info you can give us on how the trim process works - and could TM shift to a more 'inclusive' trim method that would enure that the AOI is always fully covered by tasks?