Working mvel/geopoint array

gistfile1.js

// This works:
{
  "query":{
    "match_all":{}
  },
  "script_fields":{
    "test1":{
      "script":"i = 0; n = 0; d = 0; if (doc['locs'].values.length > 0) { d = doc['locs'].lons[0]; } d;"
    }
  },
  "fields":["locs",
    "test1"
  ]
}
// (eg, from elasticsearch-head:)
{

    * took: 3
    * timed_out: false
    * _shards: {
          o total: 5
          o successful: 5
          o failed: 0
      }
    * hits: {
          o total: 198
          o max_score: 1
          o hits: [
                + {
                      # _index: doc_4db5c05fb246d25364aceca0
                      # _type: document_index
                      # _id: 4e028d1da0ec7d6e3d0da760
                      # _score: 1
                      # fields: {
                            * locs: [
                                  o 33.30963383526028,44.389701534810726
                                  o 33.30963383526028,44.389701534810726
                              ]
                            * test1: 44.389701534810726
                        }
                  }
//(etc)