reinterpretcat / csharp-libs

This repository contains my own C# libraries which I used for different projects in the past

Description

This repository contains different C# libraries which I use in different projects:

• utydepend - dependency injection container
• utyrx - reactive extensions fork which is based on unirx fork.
• straight_skeleton - straight skeleton implementation which is port of kendzi's implementation

csharp-libs's Issues

Is the option holes working?

Hello
Is there any example how to use holes?
i tried many times without success

License

Hey, I'm looking into using this lib in a a project, but can't even consider it without a license attached. Can you add a license to your repo? I'd love if it could be MIT or LGPL :)

This case does not appear to be correct for the straight skeleton

I don't think there should be an empty triangle。
The data of the test polygon is
（0，0）
（4，0）
（4，-4）
（8，-4）
（8，-10）
（-4，-10）
（-4，-4）
（0，-4）

Errors in computing events for very small polygons

Line:

csharp-libs/straight_skeleton/StraightSkeletonNet/SkeletonBuilder.cs

Line 899 in c5cd4ce

if (Math.Abs(distance1 - SplitEpsilon) < distance2)

should be:
Math.Abs(Math.Max(0, distance1 - SplitEpsilon))
Line:

csharp-libs/straight_skeleton/StraightSkeletonNet/SkeletonBuilder.cs

Line 901 in c5cd4ce

if (Math.Abs(distance2 - SplitEpsilon) < distance1)

should be:
Math.Abs(Math.Max(0, distance2 - SplitEpsilon))

System.InvalidOperationException when calling SkeletonBuilder.Build method

I'm using the StraightSkeletonNet library, and when I call the SkeletonBuilder.Build(List polygon, List<List> holes) method, I get a System.InvalidOperationException.

Here's the code I'm using as input:

var polygon = new List<Vector2d>()
{
    new Vector2d(45940, 50540),
    new Vector2d(0, 50540),
    new Vector2d(0, 0),
    new Vector2d(45940, 0)
};

var holes = new List<List<Vector2d>>()
{
    new List<Vector2d>()
    {
        new Vector2d(11900, 12670),
        new Vector2d(11900, 37220),
        new Vector2d(33520, 37220),
        new Vector2d(33520, 12670)
    }
};

var result = SkeletonBuilder.Build(polygon, holes);

What could be causing this exception? Are there any solutions or suggestions that could help me resolve this problem?

Thank you!

Great job

The polygon below causes exception at CorrectBisectorDirection (SkeletonBuilder.cs:261), would you please help me check this? Thanks a lot!

[[0.000000,0.000000,0],[23.454932,8.061873,0],[23.942510,6.643328,0],[26.779597,7.618484,0],[26.292019,9.037029,0],[48.328408,16.611326,0],[48.815986,15.192781,0],[51.653076,16.167937,0],[51.165498,17.586482,0],[74.620425,25.648357,0],[74.620425,46.832900,0],[48.428750,46.832900,0],[48.428750,48.332900,0],[45.428750,48.332900,0],[45.428750,46.832900,0],[20.737075,46.832900,0],[20.737075,48.332900,0],[17.737075,48.332900,0],[17.737075,46.832900,0],[-8.454595,46.832900,0],[-4.493782,24.892585,0],[-5.969922,24.626101,0],[-5.436957,21.673821,0],[-3.960818,21.940305,0]]

polygon with right angles?

Straight skeleton don't work when polygon have right angles.

The project is lacking a LICENSE file

Please add a LICENSE file declaring your intended license.

Note that there is a derived TypeScript library that is licensed under the MIT license. Does this imply that this repository is licensed under MIT as well? Please clarify!

Thanks in advance!