Technical DescriptionĮach provider is a node of a particular content type. I could not find a module to solve this problem. When searching, counselors want to see the providers listed by their nearest office but also to see the providers’ other office locations, preferably with distance information for those as well. But many providers have more than one office. If each provider had only one office, sorting by and displaying proximity information would be reasonably easy.
#Geodist help zip#
To date, those search tools have allowed counselors to conduct searches for providers within a given distance from a starting zip code, but the results have not been sortable by distance. We have built faceted search tools to help INTERFACE staff comb through this data.
#Geodist help professional#
The providers database includes mental health specialties, professional qualifications, insurance accepted, office locations, and roughly 50 other data points. Tech-Tamer, LLC helps INTERFACE maintain a large database of licensed mental health and wellness providers. Not only must counselors understand a caller’s needs and work out what kinds of providers could meet those needs, but they must also find an actual provider who takes the right insurance, is willing to accept a new client and has an office nearby. Finding an appropriate provider is a multi-faceted and, frankly, challenging process. The help line is staffed by counselors who help callers find an appropriate mental health or wellness provider. Our client, the INTERFACE Referral Service of William James College, provides a mental health and wellness referral help line that serves residents of Massachusetts. His description of the problem and efforts to get the schema updated in the Search API Solr module were invaluable. Since no Drupal module seems to provide this functionality, I thought I should share my solution.Īn important acknowledgement: Jeff Geerling’s post, Multi-value spatial search with Solr 4.x and Drupal 7, was incredibly helpful with this work. (Note that geodist does not accept sf-format objects the sf package itself should be used for that.) The mapbox cheap ruler algorithm is intended to provide approximate yet very fast distance calculations within small areas (tens to a few hundred kilometres across).On a Drupal 7 site, I recently solved the problem of sorting search results by distance when the things searched for have multiple locations. Distance measures currently implemented are Haversine, Vincenty (spherical and elliptical)), the very fast mapbox cheap ruler (see their blog post), and the “reference” implementation of Karney (2013), as implemented in the package sf. #> 10 10Īll outputs are distances in metres, calculated with a variety of spherical and elliptical distance measures.
The 'cheap' measure is inaccurate over such #> large distances, you'd likely be better using a different 'measure'.
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