BoxIds of CartesianTierPlotter in Lucene spatial seems incorrect
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Key: LUCENE-1982
URL: https://issues.apache.org/jira/browse/LUCENE-1982
Project: Lucene - Java
Issue Type: Bug
Reporter: Yankang Jiang
Refering to the following code.
package org.apache.lucene.spatial.tier.projections;
/**
*
*/
Double idd = new Double(180);
public class CartesianTierPlotter {
private double getBoxId (double coord){
return Math.floor(coord / (idd / this.tierLength));
}
I think idd should be Math.PI, rather than 180 since coord is a radiant. As a
result of the suspected problem, only 1/60 (Math.PI/180) number of the boxes
can be created.
I would very appreciate it if someone can take a look. In fact, I have a few
more questions about Lucene spatial. Please feel free to contact me
at yankang.ji...@gmail.com
Thanks.
Yankang
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