forked from geoffmcl/map-test2
-
Notifications
You must be signed in to change notification settings - Fork 0
/
json-load.html
907 lines (847 loc) · 30.4 KB
/
json-load.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=us-ascii">
<title>
ICAO json load
</title>
<script src="js/OpenLayers-2.14-dev.js"
type="text/javascript">
</script>
<script src="js/OpenStreetMap.js"
type="text/javascript">
</script>
<script src='js/three.min.js'
type="text/javascript">
</script>
<script src="js/jquery-2.0.3.js"
type="text/javascript">
</script>
<script src="js/geodesic.js"
type="text/javascript">
</script>
<style type="text/css">
html, body, #map {
margin: 0;
width: 100%;
height: 100%;
}
#status_line {
position: absolute;
font-size: 12px;
bottom: 1em;
left: 10em;
width: 800px;
z-index: 1000;
vertical-align: middle;
border: 1px solid #000000;
background-color: white;
}
.nob {
border: 0;
padding: 0;
}
.olMarkerLabel {
font-size: small;
color: black;
background-color: #FFFFCC;
width: 150px;
padding: 1px;
border: 1px black solid;
z-index: 1000;
}
</style>
<script type="text/javascript">
var startTime = new Date();
var FGx = FGx || {};
var def_lat = 37.61867421125;
var def_lon = -122.37500760875;
var def_zoom = 12;
var max_ils_rng = 15; // was 10, but...
var NM2KM = 1.852;
// ondemand loading of ICAO.json
var jsonLoaded = {}; // loaded json ICAO files
var jsonDone = []; // do not repeatedly load a failed file
var map, mapnik, fromProjection, toProjection, position;
// layers to present
var airportLabel, airportRunways, airportILS, ILSLabels, airportMarkers, airportCircles;
var heliportCircles, heliMarkers;
var NDBLayer, VORLayer;
var curr_lat1, curr_lon1, curr_lat2, curr_lon2;
var curr_zoom = 0;
var airFound = [];
var heliFound = [];
var paintedICAO = []; // painted ICAO
var navFound = [];
var blue_style = {
strokeColor: '#0000ff',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
// misc functions
/**
* Object.size = function(obj)
* @param (object) Object to get the size of
* @return (int) Length of the object
*/
Object.size = function(obj) {
var size = 0, key;
for (key in obj) {
if (obj.hasOwnProperty(key)) size++;
}
return size;
};
var labelStyle = new OpenLayers.Style({
externalGraphic: "images/background_trans.png",
//externalGraphic: "images/label_background.gif",
graphicWidth: "${labelWidth}",
graphicHeight: "13",
graphicOpacity: 0.99,
graphicXOffset: "${labelOffset}",
graphicYOffset: 14,
fillColor: "#000000",
fillOpacity: 0.0,
strokeWidth: 0.0,
label : "${icao}",
//fontColor: "#CCCCCC",
fontColor: "#000000",
fontSize: "11px",
fontFamily: "\"DejaVuSansMonoBold\",monospace",
fontWeight: "normal",
labelAlign: "center",
labelXOffset: "0",
labelYOffset: "-22" });
function init(lat,lon,zoom) {
FGx.callbackCount = 0;
map = new OpenLayers.Map("map", {
projection: new OpenLayers.Projection("EPSG:3857"),
// this sets wgs84/4326 as default for display coords
displayProjection: new OpenLayers.Projection("EPSG:4326") }
);
mapnik = new OpenLayers.Layer.OSM();
fromProjection = new OpenLayers.Projection("EPSG:4326"); // Transform from WGS 1984
toProjection = new OpenLayers.Projection("EPSG:900913"); // to Spherical Mercator Projection
position = new OpenLayers.LonLat(lon,lat).transform( fromProjection, toProjection);
map.addLayer(mapnik);
map.addControl(new OpenLayers.Control.Permalink('permalink'));
map.addControl(new OpenLayers.Control.MousePosition());
map.addControl(new OpenLayers.Control.ScaleLine());
map.addControl(new OpenLayers.Control.LayerSwitcher());
// airportLabel, airportRunways, airportILS, ILSLabels, airportMarkers;
// NDBLayer, VORLayer;
//labelLayer = new OpenLayers.Layer.Vector("Label Layer", {styleMap: labelStyle});
airportLabel = new OpenLayers.Layer.Vector( "Airport Labels", {styleMap: labelStyle} );
map.addLayer(airportLabel);
airportRunways = new OpenLayers.Layer.Vector( "Airport Runways" );
map.addLayer(airportRunways);
airportMarkers = new OpenLayers.Layer.Markers( "Airport Markers" );
map.addLayer(airportMarkers);
airportCircles = new OpenLayers.Layer.Vector("Airport Circles");
map.addLayer(airportCircles);
airportILS = new OpenLayers.Layer.Vector( "Airport ILS" );
map.addLayer(airportILS);
ILSLabels = new OpenLayers.Layer.Vector( "ILS Labels", {styleMap: labelStyle} );
map.addLayer(ILSLabels);
heliportCircles = new OpenLayers.Layer.Vector("Heliport Circles");
map.addLayer(heliportCircles);
heliMarkers = new OpenLayers.Layer.Markers("Heliport Markers");
// heliMarkers.setOpacity(0.5); // guestimate only
map.addLayer(heliMarkers);
NDBLayer = new OpenLayers.Layer.Vector( "NDB Layer" );
map.addLayer(NDBLayer);
VORLayer = new OpenLayers.Layer.Vector( "VOR Layer" );
map.addLayer(VORLayer);
map.setCenter(position, zoom );
map.events.register('zoomend', undefined, zoomChanged);
map.events.register('moveend', undefined, moveEnded);
console.log("Done init...");
showStatus();
}
function zoomChanged() {
setGLobalBounds();
findAirports(); // add any new airports in the view
}
function moveEnded() {
setGLobalBounds();
findAirports(); // add any new airports in the view
}
/**
* function searchAirports( lat1, lon1, lat2, lon2 );
* Top Left corner
* @param (number) Maximum latitude
* @param (number) Minimum longitude
* Bottom Right corner
* @param (number) Minimum latitude
* @param (number) Maximum longitude
* @return (array) Array of indexes of airports within bounding box
* search airports from a -icao.CSV file
* 0 1 2 3 4 5
* icao,"name", lat, lon, runways,ils
* 00C,"Animas Air Park",37.203178,-107.8691945,1, 0
*/
function searchAirports( lat1, lon1, lat2, lon2 ) {
var max = FGx.airports.length;
var i, air, nlat, nlon, id, cnt;
var newFound = [];
for (i = 1; i < max; i++) {
air = FGx.airports[i];
nlat = parseFloat(air[2]);
nlon = parseFloat(air[3]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
if (i in airFound) {
// already in list
} else {
airFound.push(i); // just need an index
newFound.push(i);
}
}
}
return newFound; // return the NEW found
}
/**
* function searchHelipads( lat1, lon1, lat2, lon2 );
* Top Left corner
* @param (number) Maximum latitude
* @param (number) Minimum longitude
* Bottom Right corner
* @param (number) Minimum latitude
* @param (number) Maximum longitude
* @return (array) Array of indexes of airports within bounding box
* search airports from a -heli.CSV file
* 0 1 2 3 4 5
* icao,"name", lat, lon, runways,ils
* 00E, "[h] Apache Junction",33.49421222,-111.64124806,0, 0
*/
function searchHelipads( lat1, lon1, lat2, lon2 ) {
var max = FGx.helipads.length;
var i, air, nlat, nlon, id, cnt;
newFound = [];
for (i = 1; i < max; i++) {
air = FGx.helipads[i];
nlat = parseFloat(air[2]);
nlon = parseFloat(air[3]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
if (i in heliFound) {
// aready found and painted
} else {
heliFound.push(i); // just need an index
newFound.push(i);
}
}
}
return newFound; // return the found
}
/**
* function searchNavAids( lat1, lon1, lat2, lon2, type );
* @param (Float) Degrees of hightest (N) latitude
* @param (Float) Degrees of least (W) longitude
* @param (Float) Degrees of lowest (S) latitude
* @param (Float) Degrees of most (E) longitude
* @param (?) ??? not used
*/
function searchNavaids( lat1, lon1, lat2, lon2, type ) {
var max = FGx.navaids.length;
var i, nav, nlat, nlon, id, cnt;
newFound = [];
for (i = 1; i < max; i++) {
nav = FGx.navaids[i];
nlat = parseFloat(nav[1]);
nlon = parseFloat(nav[2]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
if (i in navFound) {
// aleady done
} else {
navFound.push(i); // just need an index
newFound.push(i);
}
}
}
return newFound; // return the found
}
function paintHelipad( alat, alon, icao ) {
// Heliport
var green_style = {
strokeColor: '#004000',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
var pos = new OpenLayers.LonLat(alon,alat).transform( fromProjection, toProjection );
var point = new OpenLayers.Geometry.Point(pos.lon,pos.lat);
// put a green circle
var circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
600,
20,
0 );
var feat = new OpenLayers.Feature.Vector(circle, null, green_style);
var circ2 = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
1600,
20,
0 );
var feat2 = new OpenLayers.Feature.Vector(circ2, null, green_style);
heliportCircles.addFeatures([feat,feat2]);
// TODO: Add heliport marker
var icon = new OpenLayers.Icon('data/img/HP.gif');
var marker = new OpenLayers.Marker(point, icon);
heliMarkers.addMarker(marker);
if (curr_zoom >= 8) {
addLabel(icao, alon, alat, airportLabel);
}
}
function paintVORRose( nlat, nlon ) {
var p1, p2, hdg, dist1, dist2;
dist1 = 3.25;
dist2 = 0.4;
for (hdg = 0; hdg < 360; hdg += 10) {
if ((hdg == 0)||(hdg == 90)||(hdg == 180)||(hdg == 270))
dist2 = 0.4;
else
dist2 = 3.0;
p1 = getDirect( nlat, nlon, hdg, dist1 ); // outter point
p2 = getDirect( nlat, nlon, hdg, dist2 ); // inner point
paintLine( p2._lat, p2._lon, p1._lat, p1._lon, blue_style, VORLayer );
}
}
function paintNDBRose( nlat, nlon ) {
var p1, p2, hdg, dist1, dist2;
dist1 = 3.25;
dist2 = 0.4;
for (hdg = 0; hdg < 360; hdg += 45) {
if ((hdg == 0)||(hdg == 90)||(hdg == 180)||(hdg == 270))
dist2 = 0.4;
else
dist2 = 3.0;
p1 = getDirect( nlat, nlon, hdg, dist1 ); // outter point
p2 = getDirect( nlat, nlon, hdg, dist2 ); // inner point
paintLine( p2._lat, p2._lon, p1._lat, p1._lon, blue_style, NDBLayer );
}
}
function paintCircle( nlat, nlon, radius, style, layer ) {
var pos = new OpenLayers.LonLat(nlon,nlat).transform( fromProjection, toProjection );
var point = new OpenLayers.Geometry.Point(pos.lon,pos.lat);
var circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
radius,
20,
0 );
var feat = new OpenLayers.Feature.Vector(circle, null, style);
layer.addFeatures([feat]);
}
function drawNavaid(nav) {
var typ = parseInt(nav[0]);
var nlat = parseFloat(nav[1]);
var nlon = parseFloat(nav[2]);
//var pos = new OpenLayers.LonLat(nlon,nlat).transform( fromProjection, toProjection );
if (typ == 2) {
paintCircle( nlat, nlon, 5000, blue_style, NDBLayer );
paintNDBRose( nlat, nlon );
} else if (typ == 3) {
paintCircle( nlat, nlon, 5000, blue_style, VORLayer );
paintVORRose( nlat, nlon );
}
}
function paintNavaids(navs) {
var i, nax, ind, nav;
max = navs.length;
for (i = 0; i < max; i++) {
ind = navs[i];
nav = FGx.navaids[ind];
drawNavaid(nav);
}
}
function findAirports() {
var i,ind,air,max,icao,alat,alon;
var navs = searchNavaids( curr_lat1, curr_lon1, curr_lat2, curr_lon2 );
paintNavaids(navs);
var helis = searchHelipads( curr_lat1, curr_lon1, curr_lat2, curr_lon2 );
max = helis.length;
for (i = 0; i < max; i++) {
ind = helis[i];
air = FGx.helipads[ind];
icao = air[0];
alat = parseFloat(air[2]);
alon = parseFloat(air[3]);
// TODO: not many pure heliport json generated, so
//if (icao in jsonLoaded) {
// // already loaded
//} else {
// getAirJson(icao); // try to load json for heliport
//}
paintHelipad(alat,alon,icao);
}
var airs = searchAirports( curr_lat1, curr_lon1, curr_lat2, curr_lon2 );
max = airs.length;
for (i = 0; i < max; i++) {
ind = airs[i];
air = FGx.airports[ind];
icao = air[0];
alat = parseFloat(air[2]);
alon = parseFloat(air[3]);
if (icao in jsonLoaded) {
// already loaded
} else {
getAirJson(icao); // try to load json for airport - this also does the painting on load
}
}
showStatus();
}
// when airports and navaids full loaded...
function checkStage2() {
if (FGx.doneAir && FGx.doneHeli && FGx.doneNav) {
console.log("Ready for stage 2 loads...");
findAirports();
}
}
/**
* function requestFile( fname, callback );
* @param (string) File name to load
* @param (function) Callback funtion on load end
* ========== load data files ========
*/
function requestFile( fname, callback, type ) {
var xmlhttp = new XMLHttpRequest();
xmlhttp.open( 'GET', fname, true );
if (type == 1)
xmlhttp.onreadystatechange = callbackXmlJson;
else
xmlhttp.onreadystatechange = callbackXmlCsv;
xmlhttp.onloadend = callback;
xmlhttp.send( null );
}
function addLabel(icao, lon, lat, layer) {
var point = new OpenLayers.Geometry.Point(lon,lat).transform( fromProjection, toProjection);
var labelFeature = new OpenLayers.Feature.Vector(point);
labelFeature.id = "label"+icao;
labelFeature.attributes.icao = icao;
// This calculates label background width and offset
labelWidth = 8 * icao.length;
labelOffset = labelWidth / 2 * -1.0;
labelFeature.attributes.labelWidth = labelWidth;
labelFeature.attributes.labelOffset = labelOffset;
layer.addFeatures(labelFeature);
// console.log("Label "+icao+" at "+lat+","+lon+" "+point.y+","+point.x);
}
function paintLine( lat1, lon1, lat2, lon2, style, layer )
{
var points = new Array(
new OpenLayers.Geometry.Point(lon1,lat1).transform( fromProjection, toProjection ),
new OpenLayers.Geometry.Point(lon2,lat2).transform( fromProjection, toProjection )
);
var line = new OpenLayers.Geometry.LineString(points);
var lineFeature = new OpenLayers.Feature.Vector(line, null, style);
layer.addFeatures([lineFeature]);
}
function airportMarker( mlat, mlon, image ) {
var pos = new OpenLayers.Geometry.Point(mlon,mlat).transform( fromProjection, toProjection );
var icon = new OpenLayers.Icon(image);
var marker = new OpenLayers.Marker(pos, icon);
airportMarkers.addMarker(marker);
console.log("Marker at "+mlat+","+mlon+" "+pos.y+","+pos.x+' img '+image);
}
function paintRunway(rwy) {
var rwy_style = {
strokeColor: '#600000',
strokeOpacity: 0.5,
strokeWidth: 4
};
var len_m, wid_m, hdg, surf, rwy1, lat1, lon1, rwy2, lat2, lon2;
len_m = rwy.len_m;
wid_m = rwy.wid_m;
hdg = rwy.hdg;
surf = rwy.surf;
rwy1 = rwy.rwy1;
lat1 = rwy.lat1;
lon1 = rwy.lon1;
rwy2 = rwy.rwy2;
lat2 = rwy.lat2;
lon2 = rwy.lon2;
paintLine(lat1, lon1, lat2, lon2, rwy_style, airportRunways);
}
function drawILS( ilat, ilon, ihdg, irng ) {
var ils_style = {
strokeColor: '#ff0000',
strokeOpacity: 0.5,
strokeWidth: 1
};
var p1, p2, p3;
if (irng > max_ils_rng)
irng = max_ils_rng; // seems line too long... limit to 10 km, or something
// *********************************************************
// 20131119 - Seems must 'reverse' this heading for drawing
// *********************************************************
ihdg += 180;
if (ihdg >= 360)
ihdg -= 360;
// draw center line
p1 = getDirect( ilat, ilon, ihdg, irng );
ihdg += 1.5;
if (ihdg > 360)
ihdg -= 360;
// draw at +1.5 degrees
p2 = getDirect( ilat, ilon, ihdg, irng );
ihdg -= 3;
if (ihdg < 0)
ihdg += 360;
// draw at -1.5 degrees
p3 = getDirect( ilat, ilon, ihdg, irng );
paintLine( ilat, ilon, p1._lat, p1._lon, ils_style, airportILS );
paintLine( ilat, ilon, p2._lat, p2._lon, ils_style, airportILS );
paintLine( ilat, ilon, p3._lat, p3._lon, ils_style, airportILS );
return p1;
}
// 0 1 2 3 4 5 6 7 8 9 10
// type,lat, lon, feet,freq, rng,bear, id, icao,rwy,"name"
// 4, 49.43206100,007.57322800, 780, 11050,18, 262.262, IRWL,ETAR,26, "ILS-cat-III"
// 5, 58.22567800,-006.33297500,26, 11090,18, 354.293, SOY, EGPO,36, "LOC"
// 6, 36.27208600,006.63146400, 2303,10930,10, 300316.215,CT, DABC,32, "GS"
// 7, 40.00144200,-083.02929400,815, 0, 0, 94.235, ----,KCMH,10R,"OM"
// 8, 39.79342534,-104.52811126,5512,0, 0, 271.156, ----,KFTG,26, "MM"
// 9, 47.61215800,-117.54695600,2313,0, 0, 61.968, ----,KGEG,03, "IM"
// 12, 65.74222222,-019.57750000,16, 10970,18, 0.000, IKR, BIKR,01, "DME-ILS"
function paintILS(ils,icao) {
var typ = parseFloat(ils[0]); // "ILS"
var ialt,idesc,ifreq,ihdg,iid,ilat,ilon,irng,irwy,p1;
idesc = ils[10]; // "ILS-cat-I"
ilat = parseFloat(ils[1]); // 48.754623
ilon = parseFloat(ils[2]); // 2.113813
irwy = ils[9]; // "07L"
if ( typ == 4 ) {
ialt = parseFloat(ils[3]) // alt_fmsl; // 538
ifreq = parseFloat(ils[4]); // 109.29
ihdg = parseFloat(ils[6]); // 71.07
iid = ils[7]; // "TNO"
irng = parseFloat(ils[5]) * NM2KM; // 18
p1 = drawILS( ilat, ilon, ihdg, irng );
if (curr_zoom > 10)
addLabel( irwy+' '+ifreq+' '+iid, p1._lon, p1._lat, ILSLabels );
//console.log("Painted ILS "+icao+' '+irwy+'_'+ifreq+'_'+iid+' '+ilat+','+ilon);
} else if (typ == 7) { // 'OM'
markerCircle(ilat,ilon);
airportMarker( ilat, ilon, 'data/img/OM.png' );
console.log("Painted OM "+icao+' '+irwy+' '+ilat+','+ilon);
} else if (typ == 8) { // 'MM'
markerCircle(ilat,ilon);
airportMarker( ilat, ilon, 'data/img/MM.png' );
//console.log("Painted MM "+icao+' '+irwy+' '+ilat+','+ilon);
} else if (typ == 9) { // 'IM'
markerCircle(ilat,ilon);
airportMarker( ilat, ilon, 'data/img/IM.png' );
//console.log("Painted IM "+icao+' '+irwy+' '+ilat+','+ilon);
} else if (typ == 6) { // 'GS'
// what to do for this, if anything
} else if (typ == 12) { // 'DME'
// what to do for this, if anything
} else {
console.log("Skipped ILS paint type "+typ+" "+idesc);
}
}
function markerCircle(clat,clon) {
var red_style = {
strokeColor: '#ff0000',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
var radius = 600;
var sides = 20;
var point = new OpenLayers.Geometry.Point(clon,clat).transform( fromProjection, toProjection );
var circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
radius,
sides,
0 );
var featurecircle = new OpenLayers.Feature.Vector(circle, null, red_style);
airportCircles.addFeatures([featurecircle]);
// console.log("Circle at "+clat+","+clon+" "+point.y+","+point.x); // now ok
}
function scan_navaids_icao(icao) {
var max = FGx.navaids.length;
var i, nav, nic;
var found = [];
for (i = 0; i < max; i++) {
nav = FGx.navaids[i];
nic = nav[8];
if (nic == icao)
found.push(nav);
}
return found;
}
function paintAirport( data ) {
// LOTS of information about the airport/helipad
var j, maxj, rwu, ils;
var z = curr_zoom;
var icao = data.icao;
var alat = data.lat;
var alon = data.lon;
var name = data.name;
// if present, with have form, like from SFO2.json
// ,"helipads":[
// {"rwy1":"H1","len_m":17,"wid_m":17.98,"hdg":-122,"surf":"Concrete","lat1":37.62126700,"lon1":-122.39807200}
var helia = data.helipads;
var rada = data.radios;
// var nava = data.navaids; // DEPRECIATED
// {"len_m":3650,"wid_m":45.11,"hdg":61,"surf":"Asphalt","rwy1":"06","lat1":48.71996610,"lon1":2.31692799,"rwy2":"24","lat2":48.73544710,"lon2":2.36068699},
// paint runways
var rwysa = data.runways;
if (rwysa) {
maxj = rwysa.length;
for (j = 0; j < maxj; j++) {
rwy = rwysa[j];
paintRunway(rwy);
}
}
if (z >= 8) {
// var ilsa = data.ils; // DEPRECIATED
var ilsa = scan_navaids_icao(icao);
maxj = ilsa.length;
for (j = 0; j < maxj; j++) {
ils = ilsa[j];
paintILS(ils,icao);
}
addLabel( icao, alon, alat, airportLabel );
}
// console.log("Painted: "+icao+' '+alat+','+alon);
}
function callbackJson(data) {
var icao = data.icao;
jsonLoaded[icao] = data;
var alat = data.lat;
var alon = data.lon;
console.log("Loaded: "+icao+".json - "+data.name+' '+alat+','+alon);
paintAirport(data);
}
function callbackAirports(data) {
var dataLines = data.split(/\r\n|\n/);
var max = dataLines.length;
var separator = ',';
var i, ap;
for ( i = 1; i < max; i++ ) {
ap = dataLines[i].split( separator );
FGx.airports.push(ap);
}
max = FGx.airports.length;
console.log("Loaded "+max+" airports...");
FGx.doneAir = true;
checkStage2();
}
function callbackHeliports(data) {
var dataLines = data.split(/\r\n|\n/);
var max = dataLines.length;
var separator = ',';
var i, ap;
for ( i = 1; i < max; i++ ) {
ap = dataLines[i].split( separator );
FGx.helipads.push(ap);
}
max = FGx.helipads.length;
console.log("Loaded "+max+" helipads...");
FGx.doneHeli = true;
checkStage2();
}
function callbackNavaids(data) {
var dataLines = data.split(/\r\n|\n/);
var max = dataLines.length;
var separator = ',';
var i, ap;
for ( i = 1; i < max; i++ ) {
ap = dataLines[i].split( separator );
FGx.navaids.push(ap);
}
max = FGx.navaids.length;
console.log("Loaded "+max+" navaids...");
FGx.doneNav = true;
checkStage2();
}
function callbackXmlJson() {
if ( this.readyState == 4 ) {
if (this.status == "200") {
if (this.onloadend) {
var data = JSON.parse(this.responseText);
var icao = data.icao;
var alat = data.lat;
var alon = data.lon;
console.log("CB: "+icao+".json "+alat+','+alon);
this.onloadend(data);
}
this.onloadend = 0;
} else {
console.log(FGx.callbackCount+': Load FAILED!');
this.onloadend = 0;
}
} else {
FGx.callbackCount++;
//console.log(FGx.callbackCount+': Waiting for load... ');
}
}
function callbackXmlCsv() {
if ( this.readyState == 4 ) {
if (this.status == "200") {
if (this.onloadend) {
var data = this.responseText;
this.onloadend(data);
}
this.onloadend = 0;
} else {
console.log(FGx.callbackCount+': Load csv FAILED!');
this.onloadend = 0;
}
} else {
FGx.callbackCount++;
//console.log(FGx.callbackCount+': Waiting for csv load... ');
}
}
function getAirJson(icao) {
var file = 'data/'+icao+'.json';
if (icao in jsonDone) {
console.log("Already attempted load of "+file);
} else {
console.log("A:Fetching "+file);
jsonDone.push(icao);
requestFile( file, callbackJson, 1 ); // expect json
}
}
// initial get airports and navaids
function getAirports() {
FGx.airports = [];
FGx.helipads = [];
FGx.navaids = [];
FGx.doneAir = false;
FGx.doneHeli = false;
FGx.doneNav = false;
requestFile( 'data/apt1000-icao.csv', callbackAirports, 0 ); // get Airports - csv
requestFile( 'data/apt1000-heli.csv', callbackHeliports, 0 ); // get Heliport - csv
requestFile( 'data/apt1000-nav.csv', callbackNavaids, 0 ); // get Navaids -csv
}
/**
* function setGLobalBounds()
* Get current 'extent' of the map
*/
function setGLobalBounds() {
curr_zoom = map.getZoom();
var ext = map.getExtent();
//var stg = ext.toBBOX();
var mlat,mlon,width,height,uwid,uht;
var left = ext.left;
var top = ext.top;
var right = ext.right;
var bott = ext.bottom;
uwid = right - left;
uht = bott - top;
var tl = new OpenLayers.LonLat(left,top).transform( toProjection, fromProjection );
var br = new OpenLayers.LonLat(right,bott).transform( toProjection, fromProjection );
var lat1 = tl.lat;
var lon1 = tl.lon;
var lat2 = br.lat;
var lon2 = br.lon;
// expand this to a minimum of 0.1 degrees span - WHY? not sure!
var av;
if ((lat1 - lat2) < 0.1) {
av = (lat1 + lat2) / 2;
lat1 = av + 0.05;
lat2 = av - 0.05;
}
if ((lon2 - lon1) < 0.1) {
av = ( lon1 + lon2 ) / 2;
lon1 = av - 0.05;
lon2 = av + 0.05;
}
// set GLOBAL screen bounds - as EPSG:4326, WGS-84 (World Geodetic System)
curr_lat1 = lat1;
curr_lon1 = lon1;
curr_lat2 = lat2;
curr_lon2 = lon2;
mlat = (lat1 + lat2) / 2;
mlon = (lon1 + lon2) / 2;
width = getDistance( mlat, lon1, mlat, lon2 );
height = getDistance( lat1, mlon, lat2, mlon );
console.log("Bounds: TL="+lat1.toFixed(2)+","+lon1.toFixed(2)+
" BR="+lat2.toFixed(2)+","+lon2.toFixed(2)+
" w="+width+" h="+height+" km u "+uwid.toFixed(1)+","+uht.toFixed(1)+' z='+curr_zoom);
}
function ms2hhmmss( ms ) {
if (ms < 1000) {
return ''+ms+' ms';
}
var secs = Math.floor( ms / 1000 );
ms -= (secs * 1000);
if (secs < 60) {
var stg = ''+((ms / 1000).toFixed(2));
stg = stg.substr(1); // drop the zero
return ''+secs+stg+' secs';
}
var mins = Math.floor(secs / 60);
secs -= (mins * 60);
if (ms > 500)
secs++;
if (secs >= 60) {
secs -= 60;
mins++;
}
if (mins < 60) {
if (secs < 10)
secs = '0'+secs;
return ''+mins+':'+secs+' mm:ss';
}
var hours = Math.floor(mins / 60);
mins -= (hours * 60);
if (mins < 10)
mins = '0'+mins;
if (secs < 10)
secs = '0'+secs;
return ''+hours+':'+mins+':'+secs+' hh:mm:ss';
}
function getElapsed() {
var d = new Date();
var ms = d.valueOf() - startTime.valueOf();
var elap = ms2hhmmss(ms);
return elap;
}
function showStatus() {
var acnt = airFound.length;
var ncnt = navFound.length;
var hcnt = heliFound.length;
var msg = "Status: air "+acnt+", heli "+hcnt+", nav "+ncnt;
msg += " z="+curr_zoom;
var elap = getElapsed();
msg += ' elap '+elap;
$("#status_line").html(msg);
console.log(msg);
}
</script>
</head>
<body>
<!-- <h1 align="center" class="nob">
ICAO json load
</h1> -->
<div id="map">
</div>
<div id="status_line">Status:
</div>
<script type="text/javascript"
defer="defer">
function gup2( name, def ) {
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
var regexS = "[\\?&]"+name+"=([^&#]*)";
var regex = new RegExp( regexS );
var results = regex.exec( window.location.href );
if( results == null )
return def;
return results[1];
}
var lat = gup2('lat',def_lat);
var lon = gup2('lon',def_lon);
var zoom = gup2('zoom',def_zoom);
init(lat,lon,zoom);
setGLobalBounds();
//getAirJson('KSFO');
getAirports(); // start airport, heliport, navaid loads
</script>
</body>
</html>