init

node_modules/geomagnetism/bin/convert.js

@@ -0,0 +1,36 @@
+var fs = require('fs');
+var path = require('path');
+
+/**
+ * Converts a coefficients file to a .json file that can be used to initialize a base model
+ *
+ * ex: node bin/convert WMM.COF wmm.json
+ */
+
+function exit(err){
+	console.log("Error: "+err);
+	process.exit(1);
+}
+
+
+var input_filename = process.argv[2];
+var output_filename = process.argv[3];
+if(!input_filename) exit("Input filename must be provided.");
+if(!output_filename) exit("Output filename must be provided.");
+
+// get parser by input file extension
+var ext = path.extname(input_filename).toLowerCase().substr(1);
+var parser;
+try {
+	parser = require('../lib/parsers/'+ext);
+} catch (err) {
+	exit("Unable to find parser for ."+ext+" file.");
+}
+
+var data = fs.readFileSync(input_filename, {encoding: 'utf8'});
+var obj = parser(data);
+var json = JSON.stringify(obj, null, 2);
+
+fs.writeFileSync(output_filename, json);
+
+console.log(output_filename + " successfully created");