taskGNU Astronomy Utilities - Tasks: task #13658, Work on concave polygons too

 
 

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task #13658: Work on concave polygons too

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Thu 25 Jun 2015 02:44:12 AM UTC  
 
Should Start On: Wed 24 Jun 2015 03:00:00 PM UTCShould be Finished on: Wed 24 Jun 2015 03:00:00 PM UTC
Category: CropPriority: 5 - Normal
Item Group: New featureStatus: Postponed
Privacy: PublicPercent Complete: 0%
Assigned to: NoneOpen/Closed: Open
Effort: 0.00

Sun 22 Jan 2017 04:50:51 PM UTC, comment #1:

Also see, bug #50120 (Print an error when polygon is concave).

Mohammad Akhlaghi <makhlaghi>
Project Administrator
Thu 25 Jun 2015 02:44:12 AM UTC, original submission:

Currently the function to sort the vertices of the polygon (orderedpolygoncorners in lib/polygon.c) only works on convex polygons. Because it was originally designed for ImageWarp where we won't be dealing with concave polygons.

Write a function that is able to sort the polygon edges correctly even if the polygon is concave and use that function for the polygon mode of ImageCrop.

Mohammad Akhlaghi <makhlaghi>
Project Administrator

 

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