Flux ↔ intensity
API · /photometry-api
Photometry & Lighting API
Photometry and lighting maths as an API, computed locally and deterministically. The illuminance endpoint computes the light falling on a surface from a point source, E = I·cos(θ)/d² in lux, from the luminous intensity in candela, the distance in metres and the angle of incidence from the surface normal — a 1000 cd source straight down at 2 m gives 250 lux. The inverse-square endpoint scales a known illuminance to a new distance, E2 = E1·(d1/d2)², so doubling the distance quarters the light. The flux-intensity endpoint converts between luminous flux in lumens and luminous intensity in candela through the solid angle, I = Φ/Ω and Φ = I·Ω, with the solid angle taken as the full sphere 4π steradian for an isotropic source or, for a spotlight of full beam angle β, Ω = 2π·(1 − cos(β/2)) — so a 100 cd isotropic source emits about 1256.6 lm, and a 1000 cd lamp in a 30° beam emits about 214 lm. Distances are in metres and angles in degrees. Everything is computed locally and deterministically, so it is instant and private. Ideal for lighting-design, architecture, photography, film, horticulture-grow-light, stage and AV app developers, lux-and-lumen and luminaire-planning tools, and engineering software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. These are photometric (perceived-light) quantities; for blackbody/peak-wavelength radiometry use a Wien/radiation API.
API salute
salutare- Tempo di attività
- 100.00%
- Sondaggi del server · 24 ore su 24
- Latenza media
- 85 ms
- Sondaggi del server · 24 ore su 24
- Abbonati
- 3,220
- attiva
- Chiamate totali
- 20
- ultimi 7 giorni
Prezzi
Scegli un livello: fatturazione mensile, annullamento in qualsiasi momento.
Free
Gratis
- 5,300 chiamate/mese
- 2 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 5,300 calls/month
- 2 req/sec
- Illuminance + inverse-square + flux/intensity
- No credit card
Starter
€5.40 /mese
- 53,000 chiamate/mese
- 6 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 53,000 calls/month
- 6 req/sec
- Beam-angle solid angle, incidence angle
- Email support
Pro
€15.00 /mese
- 235,000 chiamate/mese
- 15 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 235,000 calls/month
- 15 req/sec
- Luminaire-planning & AV pipelines
- Priority support
Mega
€47.00 /mese
- 1,330,000 chiamate/mese
- 40 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 1,330,000 llamadas/mes
- 40 req/seg
- Escala de plataforma
- SLA dedicado
Costruito da
Correlato APIs
Altro APIs con tag sovrapposti.
Lighting Calculator API
Lighting design maths as an API, computed locally and deterministically. The room endpoint works out how many lumens a room needs from its area and a target illuminance — given directly in lux or chosen from a room-type preset (living, kitchen, office, workshop and more) — and, optionally, how many fixtures at a given lumen output and how many watts at a given lamp type. The lux endpoint converts between lux, footcandles and lumens over an area, so you can find the illuminance from a light output and a room size or vice versa. The efficacy endpoint relates lumens, watts and luminous efficacy (lumens per watt): give any two — or a lamp-type preset such as incandescent, halogen, CFL or LED — and it computes the third. Everything is computed locally and deterministically, so it is instant and private. It is a lumen-method estimate: target levels are typical guidance (EN 12464 / IES) and a full design would add room and utilisation factors. Ideal for lighting and electrical tools, interior-design and home apps, retrofit and energy-saving calculators, and smart-home planning. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is illumination maths; for Ohm's-law electrical quantities use an electronics API.
api.oanor.com/lighting-api
Color Temperature API
Turn physical light into RGB colours — entirely locally. The kelvin endpoint converts a colour temperature in Kelvin into the RGB colour of a black body at that temperature: warm candle and incandescent tones below 3000 K, neutral and daylight whites around 5000–6500 K, and cool bluish light above, using Tanner Helland's widely-used approximation and returning hex, an rgb() string and a plain-English description (candlelight, warm white, neutral, daylight, cool). The wavelength endpoint converts a wavelength of visible light in nanometres (380–780 nm) into the approximate RGB colour the human eye perceives, with the natural intensity fall-off at the violet and red edges of the spectrum, and names the band (violet, blue, cyan, green, yellow, orange, red). Everything is computed locally and deterministically, so it is instant and private. Ideal for lighting and smart-bulb apps, photography and white-balance tools, data-visualisation of temperature or spectra, theming and UI accents, and science and education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. These are perceptual approximations, not colorimetric CIE conversions; for hex/RGB/HSL conversion and palettes use a colour API.
api.oanor.com/colortemp-api
Grain Bin API
Grain-Bin-Speichermathematik als API, lokal und deterministisch berechnet – die Scheffel- und Gewichtszahlen, mit denen ein Landwirt oder Elevator die Lagerkapazität bemisst. Der Bushels-Endpunkt misst ein rundes Silo: Grundfläche × Korntiefe ergibt Kubikfuß, und ein Kubikfuß fasst etwa 0,8036 Scheffel, sodass ein 18-Fuß-Silo, das 20 Fuß gefüllt ist, etwa 4.090 Scheffel fasst – und Getreide, das zu einem Kegel aufgehäuft ist, addiert einen Kegel von (1/3) × Grundfläche × Spitzenhöhe, sodass eine 4-Fuß-Spitze etwa 270 weitere Scheffel hinzufügt. Der Weight-Endpunkt wandelt Scheffel in Gewicht um, basierend auf dem Standard-Testgewicht der Ernte – Mais und Sorghum bei 56 Pfund pro Scheffel, Weizen und Sojabohnen 60, Hafer 32, Gerste 48 – also wiegen diese 4.090 Scheffel Mais 229.040 Pfund, etwa 114,5 US-Tonnen oder 104 Tonnen; übergeben Sie ein gemessenes Testgewicht für leichtes oder schweres Getreide. Alles wird lokal und deterministisch berechnet, daher ist es sofortig und privat. Ideal für Entwickler von Apps für Landwirtschaft, Getreideheber, Farmmanagement und Agrartechnologie, für Speicherkapazitäts- und Inventar-Tools sowie Erntesoftware. Reine lokale Berechnung – kein API-Key, kein Drittanbieterdienst, sofortig. US-Einheiten (Fuß, Scheffel, Pfund). Live, nichts wird gespeichert. 2 Compute-Endpunkte.
api.oanor.com/grainbin-api
ADA Ramp API
ADA wheelchair-ramp maths as an API, computed locally and deterministically — the run, landing and slope numbers a builder or accessibility planner sizes a ramp by. The rule the ADA fixes is 1 inch of rise per 12 of run, a maximum 8.33 % slope, so the ramp endpoint turns a rise into the ramp: run = rise × 12 (or × 16 / × 20 for a gentler grade if you have the room), plus the level landings the code requires — a 5-foot landing top and bottom and another between runs whenever the rise exceeds 30 inches — and the total length end to end, so a 24-inch rise needs a 24-foot run and 34 feet overall, while a 36-inch rise breaks into two runs with an intermediate landing for 51 feet. The fit endpoint answers the real-world question: does a ramp for this rise fit the run you have? It returns the minimum run an ADA 1:12 ramp needs, whether your space is enough, and the slope you would actually get if you forced it in — flagging when that exceeds 8.33 % and you need a switchback or a lower rise. Everything is computed locally and deterministically, so it is instant and private. Ideal for construction, accessibility, home-modification and contractor app developers, ramp-estimator and code-check tools, and building software. Pure local computation — no key, no third-party service, instant. Confirm against current ADA and local code. Live, nothing stored. 2 compute endpoints.
api.oanor.com/adaramp-api
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Frammenti di codice
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curl https://api.oanor.com/photometry-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/photometry-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/photometry-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
"https://api.oanor.com/photometry-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())
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