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https://issues.apache.org/jira/browse/LUCENE-7906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16094674#comment-16094674
 ] 

Karl Wright commented on LUCENE-7906:
-------------------------------------

[~ivera], I had a quick glance at the newer patch.  So far, so good, but have a 
care for spelling and for code style.  Have a look here:

{code}
+  private boolean instersectsEdge(GeoShape other,Edge currentEdge,Edge 
firstEdge){
+    if (currentEdge == firstEdge){
+      return false;
+    }
+    if 
(other.intersects(currentEdge.plane,currentEdge.notablePoints,currentEdge.startPlane,currentEdge.endPlane))
 {
+      return  true;
+    }
+    if (firstEdge == null){
+      firstEdge = currentEdge;
+    }
+    return instersectsEdge(other,currentEdge.next,firstEdge);
+  }
{code}

First note: "instersectsEdge" is misspelled; let's fix that before proceeding 
to commit.
Second, the style guide for Lucene states that there's a space after commas in 
argument lists for methods.

Minor details, but important.  I'll have a longer look this evening.



> Spatial relationship between Geoshapes
> --------------------------------------
>
>                 Key: LUCENE-7906
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7906
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/spatial3d
>            Reporter: Ignacio Vera
>            Assignee: Karl Wright
>         Attachments: LUCENE-7906.patch
>
>
> Hi,
> Working with geosahpes and trying to resolve spatial relationships between 
> them I came accross a big limitation when trying to solve the relationship 
> between two geopolygons. This object does not expose the internal structure. 
> In particular at some point, it is necessary to check if one polygon 
> intersects the edges of the other polygon which currently is not possible as 
> edges are not exposed.
> To be able to perform such operation it can be several options. The ones I 
> can think of are:
> 1) Expose the edges of the polygon ( and probably the notable points for the 
> edges) adding getters in the GeoPolygon interface. Easy to implement and 
> leave users the responsability of coding the spatial relationship.
> 2) Extends GeoPolygon interface to extends geoarea and leave the object make 
> the spatial relationship. 
> 3) Extends GeoShape  interface so all shapes can infer the spatial 
> relationship with other GeoShapes.
> I might be bias as my interest is in 2d Shapes in the unit sphere and there 
> might be some cases which what I propose cannot be implemented or are againts 
> the aim of the library.
> What do you think?
> Cheers,
> Ignacio



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