
    Ti                         d dl ZddlmZmZmZ ddlmZ ddlm	Z	m
Z
mZmZ ddlmZmZ d Zdd	e	d
eeej                          de
fdZd Zde
fdZddZde	de	de
fdZdS )    N   )graphgroupingutil)tol_path)	ArrayLikeDictNDArrayOptional   ArcLinec                 j   |                                  }t          t          d}dgt          | d                   z  }t	          | d                   D ][\  }}|d         dk    r" ||d                  |d                   ||<   3 ||d                  |d         |d         	          ||<   \||d<   |S )
a'  
    Turn a pure dict into a dict containing entity objects that
    can be sent directly to a Path constructor.

    Parameters
    ------------
    as_dict : dict
      Has keys: 'vertices', 'entities'

    Returns
    ------------
    kwargs : dict
      Has keys: 'vertices', 'entities'
    r   Nentitiestyper   points)r   closed)r   r   )copyr   r   len	enumerate)as_dictresultloadersr   entity_indexentitys         T/DATA/AppData/hermes/venv/lib/python3.11/site-packages/trimesh/path/exchange/misc.pydict_to_pathr   	   s      \\^^F4((GvGJ/000H )'**= > >  f&>V##%<WVF^%<F8DT%U%U%UH\""%<WVF^%<h'x0@& & &H\"" "F:M    linesindexreturnc           	      f   t          j        | t           j                  } | t          j        |t           j                  }t	          j        | d          rFt          j        t          t          j        t          |                               g          | d}|S t	          j        | d          rq| j
        d         }|                     d|f          } t          j        | t          j                  \  }}t!          |                    d          | |         	          S t#          d
          )a}  
    Turn line segments into argument to be used for a Path2D or Path3D.

    Parameters
    ------------
    lines : (n, 2, dimension) or (n, dimension) float
      Line segments or connected polyline curve in 2D or 3D
    index : (n,) int64
      If passed save an index for each line segment.

    Returns
    -----------
    kwargs : Dict
      kwargs for Path constructor
    )dtypeN)r   r   r   vertices)r%   r   r&   r%   )digitsr%   r   edgesr(   z&Lines must be (n,(2|3)) or (n,2,(2|3)))np
asanyarrayfloat64int64r   is_shapearrayr   aranger   shapereshaper   unique_rowsr   merge_digitsedges_to_path
ValueError)r    r!   r   	dimensionuniqueinverses         r   lines_to_pathr=   +   s
     M%rz222Ee28444}UL)) C !hRYs5zz-B-B(C(C'DEESXYY	uo	.	. CKO	r9o..".uX=RSSS 7??7#;#;eFmTTTTABBBr   c           
         g }g }t          | j        d          r| j        j        }n| j        g}d}|D ]}|                    t	          t          j        t          |j                            |z                        |t          |j                  z  }|                    t          j	        |j                             |t          |          dk    rt          j
        |          n|d}|S )a  
    Load shapely Polygon objects into a trimesh.path.Path2D object

    Parameters
    -------------
    polygon : shapely.geometry.Polygon
      Input geometry

    Returns
    -----------
    kwargs : dict
      Keyword arguments for Path2D constructor
    geomsr   r'   )hasattrboundaryr?   appendr   r-   r3   r   coordsr2   vstack)polygonr   r(   
boundariescurrentrA   kwargss          r   polygon_to_pathrI   U   s     HHw)) (%+

&'
 G 3 3RYs8?';';<<wFGGHHH3x'''112222 +.x==1+<+<BIh'''( F
 Mr   c           
         ddl }g }g }t          | |j                  rt          | j                  } n| g} | D ]}t          |d          rt          j        |j                  }t          |          dk     r?|
                    t          t          j        t          |                    t          |          z                        |                    |           t          j        |          t          j        |          d}|S )a;  
    Load shapely LineString objects into arguments to create a Path2D or Path3D.

    Parameters
    -------------
    multi : shapely.geometry.LineString or MultiLineString
      Input 2D or 3D geometry

    Returns
    -------------
    kwargs : Dict
      Keyword arguments for Path2D or Path3D constructor
    r   NrC   r   r'   )shapely
isinstanceMultiLineStringlistr?   r@   r-   r2   rC   r   rB   r   r3   extend)multirK   r   r(   linerC   rH   s          r   linestrings_to_pathrR   ~   s     NNN HH%011 U[!! $ $4"" 	$Xdk**F6{{QOOD3v;;!7!7#h--!GHHIIIOOF###(8,,"(8:L:LMMFMr   c                 
   || j         }n3| j                             d          |                             d          }t          j        |d          }|                    t          ||         | j                             |S )aJ  
    Given a mesh and face indices find the outline edges and
    turn them into a Path3D.

    Parameters
    ------------
    mesh : trimesh.Trimesh
      Triangulated surface in 3D
    face_ids : (n,) int
      Indexes referencing mesh.faces

    Returns
    ---------
    kwargs : dict
      Kwargs for Path3D constructor
    N)r%      r*      )require_countr+   )edges_sortedr5   r   
group_rowsupdater8   r(   )meshface_idsrH   r,   unique_edgess        r   faces_to_pathr]      s    " ! !))'228<DDWMM&uA>>>L
MM-eL&9DMRRRSSSMr   r,   r(   c                     t          j        | d          }t          j        ||           }d |D             }|                    ||dd           |S )a|  
    Given an edge list of indices and associated vertices
    representing lines, generate kwargs for a Path object.

    Parameters
    -----------
    edges : (n, 2) int
      Vertex indices of line segments
    vertices : (m, dimension) float
      Vertex positions where dimension is 2 or 3

    Returns
    ----------
    kwargs : dict
      Kwargs for Path constructor
    dfs)mode)r,   c                 ,    g | ]}t          |          S  )r   ).0ds     r   
<listcomp>z!edges_to_path.<locals>.<listcomp>   s    ,,,T!WW,,,r   F)r   r(   process)r   
traversalsfill_traversalsrY   )r,   r(   rH   r_   dfs_connectedr    s         r   r8   r8      sf    $ 
5u
-
-
-C )#U;;;M -,m,,,E
MMu(uMMNNNMr   )N)numpyr-    r   r   r   	constantsr   typedr   r	   r
   r   r   r   r   r   r0   r=   rI   rR   r]   r8   rb   r   r   <module>rn      s<       % % % % % % % % % % ! ! ! ! ! ! 7 7 7 7 7 7 7 7 7 7 7 7                  D' ' '8GBH4E+F 'RV ' ' ' 'T& & &R#$ # # # #L   < i d      r   