Graham McIntire
40db913170
The compute pipeline now actually runs: per-pixel path loss over LIDAR
terrain, antenna pattern lookup, real GeoTIFF + colored PNG output,
Leaflet imageOverlay rendering with opacity slider and dBm legend.
Propagation:
- Towerops.Coverages.Propagation: Friis FSPL + Bullington single-knife-edge
diffraction (ITU-R P.526). Pure Elixir, closed-form, no NIF dependency.
Clean signature so a future ITM/Longley-Rice backend can drop in.
- Towerops.Coverages.Profile: AAIGrid sampler with elevation_at, sample
along great circle, haversine distance.
- Towerops.Coverages.Raster: Float32 GeoTIFF via gdal_translate (with VRT
wrapper) and colored PNG via gdaldem color-relief. Outputs to
priv/static/coverage/<org>/<id>/, served by existing Plug.Static.
Worker:
- Towerops.Workers.CoverageWorker now does the full pipeline: bbox compute
-> Towerops.Lidar.get_elevation_grid -> per-pixel Task.async_stream
(parallel = schedulers) running antenna pattern lookup + propagation +
RSSI threshold check, write rasters. Configurable terrain source via
:coverage_terrain_module application env so tests can stub. Friendly
failure messages for :no_tile, :grid_too_large, :nodata,
:unknown_antenna, :missing_location.
Bundled antenna catalog (~95 entries):
- AntennaCatalog with compact specs for every antenna in the request list:
Cambium, ALPHA, Antel, ITELITE, KP Performance, L-com, MARS, MikroTik,
Mimosa, MTI, RADWIN, RF Elements, Ruckus, Tarana, Simulate, Ubiquiti.
- Antenna.from_spec/1 synthesizes 360+360 attenuation patterns from
gain+beamwidth (cosine-squared main lobe, smooth transition,
front-to-back floor with mild ripple). Real .ant files in priv/antennas/
override the catalog by slug. Test fixtures moved to test/support.
Schema (migration add_radio_fields_to_coverages):
- tx_power_dbm replaces eirp_dbm; EIRP is now derived as
tx_power + antenna.gain - cable_loss in Coverage.eirp_dbm/2 and shown
live in the form header.
- cable_loss_db, sm_gain_dbi, latitude_override, longitude_override,
height_above_rooftop_m, tx_clearance_m, foliage_tuning (0-100 slider).
- Coverage.location/1 returns {lat, lon} from override or parent site.
UI:
- form.html.heex: cnHeat-style grouped form (Identity / Location /
Mounting / RF / Coverage extent), foliage tuning range slider,
computed EIRP badge in the header.
- show.html.heex: Leaflet map area with L.imageOverlay heatmap,
opacity slider, dBm color legend, antenna marker with directional
wedge for azimuth.
- assets/js/app.ts: CoverageMap hook registered.
Tests: 24 new (propagation reference values, profile sampling,
worker end-to-end with stubbed terrain that writes real GeoTIFF + PNG,
org-mismatch job-cancel guard). Full suite: 10815 tests.
732 lines
6.9 KiB
XML
732 lines
6.9 KiB
XML
NAME Test Omni 5 GHz
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MAKE Test Manufacturer
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FREQUENCY 5500
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H_WIDTH 360
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V_WIDTH 15
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FRONT_TO_BACK 0
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GAIN 8.0 dBi
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TILT MECHANICAL
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POLARIZATION VERTICAL
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COMMENT Synthetic omni antenna for tests; flat horizontal plane, slight vertical taper.
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VERTICAL 360
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0 0.00
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1 0.05
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2 0.10
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3 0.15
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4 0.20
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11 1.65
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13 2.40
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14 2.85
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35 22.80
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40 30.80
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42 34.35
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45 40.05
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49 48.35
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50 50.55
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51 52.80
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52 55.10
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53 57.45
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54 59.85
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55 62.30
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56 64.80
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57 67.35
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58 69.95
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59 72.60
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60 75.30
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61 78.05
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62 80.85
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63 83.70
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64 86.60
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65 89.55
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66 92.55
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68 98.70
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69 101.85
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70 105.05
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71 108.30
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72 111.60
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73 114.95
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74 118.35
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75 121.80
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76 125.30
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77 128.85
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78 132.45
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80 139.80
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81 143.55
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82 147.35
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99 219.60
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100 224.30
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101 229.05
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102 233.85
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103 238.70
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104 243.60
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105 248.55
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106 253.55
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107 258.60
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108 263.70
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109 268.85
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113 289.95
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114 295.35
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115 300.80
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116 306.30
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117 311.85
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118 317.45
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120 328.80
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121 334.55
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122 340.35
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123 346.20
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124 352.10
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125 358.05
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127 370.10
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130 388.55
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162 613.35
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168 661.20
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169 669.35
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173 702.45
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174 710.85
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176 727.80
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177 736.35
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178 744.95
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180 762.30
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181 753.60
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182 744.95
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183 736.35
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184 727.80
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186 710.85
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187 702.45
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201 590.10
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202 582.45
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203 574.85
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204 567.30
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205 559.80
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206 552.35
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207 544.95
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208 537.60
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222 439.95
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229 394.80
|
|
230 388.55
|
|
231 382.35
|
|
232 376.20
|
|
233 370.10
|
|
234 364.05
|
|
235 358.05
|
|
236 352.10
|
|
237 346.20
|
|
238 340.35
|
|
239 334.55
|
|
240 328.80
|
|
241 323.10
|
|
242 317.45
|
|
243 311.85
|
|
244 306.30
|
|
245 300.80
|
|
246 295.35
|
|
247 289.95
|
|
248 284.60
|
|
249 279.30
|
|
250 274.05
|
|
251 268.85
|
|
252 263.70
|
|
253 258.60
|
|
254 253.55
|
|
255 248.55
|
|
256 243.60
|
|
257 238.70
|
|
258 233.85
|
|
259 229.05
|
|
260 224.30
|
|
261 219.60
|
|
262 214.95
|
|
263 210.35
|
|
264 205.80
|
|
265 201.30
|
|
266 196.85
|
|
267 192.45
|
|
268 188.10
|
|
269 183.80
|
|
270 179.55
|
|
271 175.35
|
|
272 171.20
|
|
273 167.10
|
|
274 163.05
|
|
275 159.05
|
|
276 155.10
|
|
277 151.20
|
|
278 147.35
|
|
279 143.55
|
|
280 139.80
|
|
281 136.10
|
|
282 132.45
|
|
283 128.85
|
|
284 125.30
|
|
285 121.80
|
|
286 118.35
|
|
287 114.95
|
|
288 111.60
|
|
289 108.30
|
|
290 105.05
|
|
291 101.85
|
|
292 98.70
|
|
293 95.60
|
|
294 92.55
|
|
295 89.55
|
|
296 86.60
|
|
297 83.70
|
|
298 80.85
|
|
299 78.05
|
|
300 75.30
|
|
301 72.60
|
|
302 69.95
|
|
303 67.35
|
|
304 64.80
|
|
305 62.30
|
|
306 59.85
|
|
307 57.45
|
|
308 55.10
|
|
309 52.80
|
|
310 50.55
|
|
311 48.35
|
|
312 46.20
|
|
313 44.10
|
|
314 42.05
|
|
315 40.05
|
|
316 38.10
|
|
317 36.20
|
|
318 34.35
|
|
319 32.55
|
|
320 30.80
|
|
321 29.10
|
|
322 27.45
|
|
323 25.85
|
|
324 24.30
|
|
325 22.80
|
|
326 21.35
|
|
327 19.95
|
|
328 18.60
|
|
329 17.30
|
|
330 16.05
|
|
331 14.85
|
|
332 13.70
|
|
333 12.60
|
|
334 11.55
|
|
335 10.55
|
|
336 9.60
|
|
337 8.70
|
|
338 7.85
|
|
339 7.05
|
|
340 6.30
|
|
341 5.60
|
|
342 4.95
|
|
343 4.35
|
|
344 3.80
|
|
345 3.30
|
|
346 2.85
|
|
347 2.40
|
|
348 2.00
|
|
349 1.65
|
|
350 1.30
|
|
351 1.00
|
|
352 0.80
|
|
353 0.60
|
|
354 0.45
|
|
355 0.30
|
|
356 0.20
|
|
357 0.15
|
|
358 0.10
|
|
359 0.05
|