spot-marker

npm module which allows temporal information about a given point to be recorded

• Positional memory
  A spot remembers where it was at distributed moments in the past

• Undetermined periods
  Optionally store periods during which it's position could not be determined.

• Spherical position
  Spots store surface position on a globe in longitude and latitude.

• Database access
  Read and write data to and from various data storage.

installation

npm install spot-marker

Usage

var spotMarker = require('spot-marker');

Spot data

Spot data is store

- : Time spans. + : Position at give timespan. # : Interpolation not valid between this and next point

P1 +----+-----#        +----+--------------+
P2    +------+-------+------------+
P3       +------------+
P4                +------#  ++---------+