mirror of
https://github.com/node-red/node-red-nodes.git
synced 2023-10-10 13:36:58 +02:00
add worldmap features to exif node.
field of view, popup, filename, icon, etc.
This commit is contained in:
Dave Conway-Jones
parent
9e948b9fdf
commit
466b1c3deb
@ -40,22 +40,22 @@
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"grunt-lint-inline": "^1.0.0",
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"grunt-simple-mocha": "^0.4.1",
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"imap": "^0.8.19",
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"mailparser": "^3.0.0",
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"mailparser": "~3.0.1",
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"markdown-it": "^11.0.0",
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"mocha": "~6.2.3",
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"msgpack-lite": "^0.1.26",
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"multilang-sentiment": "^1.2.0",
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"ngeohash": "^0.6.3",
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"node-red": "^1.1.3",
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"node-red": "~1.2.6",
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"node-red-node-test-helper": "~0.2.5",
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"nodemailer": "^6.4.10",
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"nodemailer": "~6.4.16",
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"poplib": "^0.1.7",
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"proxyquire": "^2.1.3",
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"pushbullet": "^2.4.0",
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"sentiment": "^2.1.0",
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"should": "^13.2.3",
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"sinon": "~7.5.0",
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"smtp-server": "^3.7.0",
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"smtp-server": "~3.8.0",
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"supertest": "^4.0.2",
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"when": "^3.7.8"
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},
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@ -26,7 +26,7 @@ describe('exif node', function() {
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//var data = fs.readFileSync("test/utility/exif/exif_test_image.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
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//var data = fs.readFileSync("exif_test_image.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57, 22.4697 ],
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@ -65,7 +65,7 @@ describe('exif node', function() {
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//var data = fs.readFileSync("test/utility/exif/exif_test_image.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
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//var data = fs.readFileSync("exif_test_image.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'S',
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GPSLatitude: [ 50, 57, 22.4697 ],
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@ -101,7 +101,7 @@ describe('exif node', function() {
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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@ -127,7 +127,7 @@ describe('exif node', function() {
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var data = "hello";
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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@ -153,7 +153,7 @@ describe('exif node', function() {
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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@ -179,7 +179,7 @@ describe('exif node', function() {
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57 ],
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@ -219,7 +219,7 @@ describe('exif node', function() {
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57, 1.3 ],
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@ -259,7 +259,7 @@ describe('exif node', function() {
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57, 1.3 ],
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@ -291,6 +291,4 @@ describe('exif node', function() {
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});
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});
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});
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@ -1,17 +1,22 @@
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<script type="text/x-red" data-template-name="exif">
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<script type="text/html" data-template-name="exif">
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<div class="form-row">
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<label for="node-input-property"><i class="fa fa-ellipsis-h"></i> <span data-i18n="node-red:common.label.property"></span></label>
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<input type="text" id="node-input-property" style="width:70%;"/>
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="exif">
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<script type="text/html" data-help-name="exif">
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<p>Extract <a href="http://en.wikipedia.org/wiki/Exchangeable_image_file_format">Exif</a> information from JPEG images.</p>
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<p>This node expects an incoming JPEG image buffer. If Exif data is present,
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<p>This node expects an incoming JPEG image buffer in the selected property. If Exif data is present,
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it extracts the data into the <code>msg.exif</code> object.</p>
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<p>The node then adds location data as <code>msg.location</code>, should the Exif data carry this information.
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<code>msg.payload</code> remains the original, unmodified image buffer. </p>
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This also includes an icon, bearing and field of view arc suitable for use in the worldmap node.
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The selected input property retains the original, unmodified image buffer.</p>
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</script>
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<script type="text/javascript">
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@ -19,7 +24,8 @@
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category: 'utility',
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color:"#f1c2f0",
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defaults: {
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name: {value:""}
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name: {value:""},
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property: {value:"payload",required:true}
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},
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inputs:1,
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outputs:1,
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@ -29,6 +35,10 @@
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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},
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oneditprepare: function() {
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if (this.property === undefined) { $("#node-input-property").val("payload"); }
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$("#node-input-property").typedInput({default:'msg',types:['msg']});
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}
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});
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</script>
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@ -11,6 +11,7 @@ module.exports = function(RED) {
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function ExifNode(n) {
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RED.nodes.createNode(this,n);
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this.property = n.property || "payload";
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var node = this;
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/***
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@ -20,7 +21,7 @@ module.exports = function(RED) {
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* Assumes that the msg object will always have exifData available as msg.exif.
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* Assume that the GPS data saved into Exif provides a valid value
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*/
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function addMsgLocationDataFromExifGPSData(msg) {
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function addMsgLocationDataFromExifGPSData(msg,val) {
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var gpsData = msg.exif.gps; // declaring variable purely to make checks more readable
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if (gpsData.GPSAltitude) {
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/* istanbul ignore else */
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@ -31,14 +32,12 @@ module.exports = function(RED) {
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// The data provided in Exif is in degrees, minutes, seconds, this is to be converted into a single floating point degree
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if (gpsData.GPSLatitude.length === 3) { // OK to convert latitude
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if (gpsData.GPSLongitude.length === 3) { // OK to convert longitude
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var latitude = convertDegreesMinutesSecondsToDecimals(gpsData.GPSLatitude[0], gpsData.GPSLatitude[1], gpsData.GPSLatitude[2]);
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latitude = Math.round(latitude * 100000)/100000; // 5dp is approx 1m resolution...
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// (N)orth means positive latitude, (S)outh means negative latitude
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if (gpsData.GPSLatitudeRef.toString() === 'S' || gpsData.GPSLatitudeRef.toString() === 's') {
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latitude = latitude * -1;
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}
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var longitude = convertDegreesMinutesSecondsToDecimals(gpsData.GPSLongitude[0], gpsData.GPSLongitude[1], gpsData.GPSLongitude[2]);
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longitude = Math.round(longitude * 100000)/100000; // 5dp is approx 1m resolution...
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// (E)ast means positive longitude, (W)est means negative longitude
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@ -49,7 +48,6 @@ module.exports = function(RED) {
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if (!msg.location) { msg.location = {}; }
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msg.location.lat = latitude;
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msg.location.lon = longitude;
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return;
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}
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else {
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node.log("Invalid longitude data, no location information has been added to the message.");
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@ -62,13 +60,32 @@ module.exports = function(RED) {
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else {
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node.log("The location of this image cannot be determined safely so no location information has been added to the message.");
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}
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msg.location.arc = {
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ranges: [500,1000,2000],
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pan: gpsData.GPSImgDirection,
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fov: (2 * Math.atan(36 / (2 * msg.exif.exif.FocalLengthIn35mmFormat)) * 180 / Math.PI),
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color: '#910000'
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}
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msg.location.icon = "fa-camera";
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var na;
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if (val.hasOwnProperty("name")) { na = val.name; }
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else if (msg.hasOwnProperty("filename")) { na = msg.filename.split('/').pop(); }
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else { na = msg.exif.image.Make+"_"+msg.exif.image.ModifyDate; }
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msg.location.name = na;
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msg.location.popup = '<img width="280" src="data:image/jpeg;base64,'+val.toString("base64")+'"/>'
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}
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this.on("input", function(msg) {
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try {
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if (msg.payload) {
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if (Buffer.isBuffer(msg.payload)) {
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new ExifImage({ image : msg.payload }, function (error, exifData) {
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var value = RED.util.getMessageProperty(msg,node.property);
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if (value !== undefined) {
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if (typeof value === "string") { // it must be a base64 encoded inline image type
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if (value.indexOf('data:image') !== -1) {
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value = new Buffer.from(value.replace(/^data:image\/[a-z]+;base64,/, ""), 'base64');
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}
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}
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if (Buffer.isBuffer(value)) { // or a proper jpg buffer
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new ExifImage({ image:value }, function (error, exifData) {
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if (error) {
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node.log(error.toString());
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}
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@ -76,7 +93,7 @@ module.exports = function(RED) {
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if (exifData) {
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msg.exif = exifData;
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if ((exifData.hasOwnProperty("gps")) && (Object.keys(exifData.gps).length !== 0)) {
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addMsgLocationDataFromExifGPSData(msg);
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addMsgLocationDataFromExifGPSData(msg,value);
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}
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//else { node.log("The incoming image did not contain Exif GPS data."); }
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}
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@ -93,7 +110,7 @@ module.exports = function(RED) {
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}
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}
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else {
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node.error("No payload received, the Exif node cannot proceed, no messages sent.",msg);
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node.warn("No input received, the Exif node cannot proceed, no messages sent.",msg);
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return;
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}
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}
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@ -1,23 +1,30 @@
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{
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"name" : "node-red-node-exif",
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"version" : "0.0.7",
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"description" : "A Node-RED node that extracts Exif information from JPEG image buffers.",
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"dependencies" : {
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"exif": "0.4.0"
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"name": "node-red-node-exif",
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"version": "0.1.0",
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"description": "A Node-RED node that extracts Exif information from JPEG image buffers.",
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"dependencies": {
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"exif": "^0.6.0"
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},
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"repository" : {
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"type":"git",
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"url":"https://github.com/node-red/node-red-nodes/tree/master/utility/exif"
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"repository": {
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"type": "git",
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"url": "https://github.com/node-red/node-red-nodes/tree/master/utility/exif"
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},
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"license": "Apache-2.0",
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"keywords": [ "node-red", "exif"],
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"node-red" : {
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"nodes" : {
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"keywords": [
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"node-red",
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"exif"
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],
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"node-red": {
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"nodes": {
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"exif": "94-exif.js"
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}
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},
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"contributors": [
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{"name": "Dave Conway-Jones"},
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{"name": "Zoltan Balogh"}
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{
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"name": "Dave Conway-Jones"
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},
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{
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"name": "Zoltan Balogh"
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}
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]
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}
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