swisseph

Swiss Ephemeris binding for node.js

Swiss Ephemeris binding for node.js

Swiss Ephemeris binding for node.js.

See Swiss Ephemeris for more details.

Supported platforms: Mac OS X | Windows | Linux | FreeBSD

To install run:

$ npm install swisseph

From version 0.5.0 only nodejs 0.12 or newer supported.

To use with older nodejs version use swisseph 0.4.x or older.

From version 0.5.0 only nodejs 0.12 supported, because of C addons API compatibility.

Also, project splited to swisseph and swisseph-api. swisseph responsible only for nodejs binding, but swisseph-api to access over the web.

Example:

var swisseph = require ('swisseph');
 
// Test date 
var date = {year: 2012, month: 1, day: 1, hour: 0};
console.log ('Test date:', date);
 
var flag = swisseph.SEFLG_SPEED;
 
// path to ephemeris data 
swisseph.swe_set_ephe_path (__dirname + '/../ephe');
 
// Julian day 
swisseph.swe_julday (date.year, date.month, date.day, date.hour, swisseph.SE_GREG_CAL, function (julday_ut) {
    assert.equal (julday_ut, 2455927.5);
    console.log ('Julian UT day for date:', julday_ut);
 
    // Sun position 
    swisseph.swe_calc_ut (julday_ut, swisseph.SE_SUN, flag, function (body) {
        assert (!body.error, body.error);
        console.log ('Sun position:', body);
    });
 
    // Moon position 
    swisseph.swe_calc_ut (julday_ut, swisseph.SE_MOON, flag, function (body) {
        assert (!body.error, body.error);
        console.log ('Moon position:', body);
    });
});

For more examples see examples and test folders.

To execute tests run from the root folder:

npm test

See Programming interface to the Swiss Ephemeris for more details.

This javascript programming interface is little different from the original api, basically for return values. For more details see src/*.h.

Please feel free to fill issues for bugs, erros and features.

The license for this project is the same as original Swiss Ephemeris.