# 90. Kysely: Hae Satelliittikuvadatan geometrialla

Hae kasvillisuusindeksin tilastoja mille tahansa ad-hoc-geometrialle - **rekisteröityä lohkorajaa ei vaadita**. Tämä päätepiste laskee yhteenvetotilastoja geometriasi sisällä olevista pikseleistä samalla kun **ohittaa pilviset pikselit**. Tällä hetkellä tuettu seuraavilla **Sentinel2 (S2)** , **Landsat (L4/L5/L7/L8/L9)** ja **Planet (PS)** toimittajilla.

{% hint style="danger" %}
Tämä sivu noudattaa GeoPardin API-malleja ja [todennusta](https://docs.geopard.tech/geopard-tutorials/api-docs/authorization-apikey-credentials-or-oauth-2.0) käytetään GraphQL-päätepisteissä.
{% endhint %}

## Mitä voit tehdä

* Kysy **kasvillisuusindeksejä** kohteelle **Point, MultiPoint, Polygon ja MultiPolygon** geometrioita.
* Valitse kuvamateriaali **toimittajat**: `S2`, `L4`, `L5`, `L7`, `L8`, `L9`, `PS`.&#x20;
* Hanki **päiväleimalliset** tulokset jokaista hankintaa kohden, sisältäen:
  * `pilvettömyys` - osuus geometriastasi, joka on pilvetön, arvoalue 0–1, jossa 1 tarkoittaa täysin pilvetöntä.
  * `arvo` - valitun indeksin tilastot lasketaan **vain** pilvettömistä pikseleistä, sisältää `min`, `max`, `avg`, `mdn`, `var`, `std`.
* Valinnaisesti voit antaa **alueita** taulukko indeksiarvoalueista kattavuustilastojen laskemista varten. Kun taulukko annetaan, vastauksessa on mukana `alueita` kenttä, joka näyttää kuinka suuri prosenttiosuus alueesta kuuluu kuhunkin määriteltyyn alueeseen.
  * **Kunkin väri/alueen kattama pinta-ala** - perustuu indeksiarvoon (matala => korkea)
  * **Kattavuusprosentti** - 0..1 arvo kutakin aluetta kohden, joka esittää pinta-alaprosentin

## Tuetut indeksit

`EVI2`, `NDVI`, `RVI`, `LAI`, `OSAVI`, `SAVI`, `GNDVI`, `IPVI`, `GCI`, `WDRVI`, `RCI`, `SBI`, `MCARI1`. Indeksien määritelmät noudattavat GeoPardin [kasvillisuusindeksiluetteloa](https://docs.geopard.tech/geopard-tutorials/product-tour-web-app/satellite-monitoring/indices-for-crops-and-soils#vegetation-indices) jota käytetään koko API:ssa.

### Syöteparametrit

<table><thead><tr><th width="119.93487548828125">Kenttä</th><th width="171.1700439453125">Tyyppi</th><th width="105.841064453125">Pakollinen</th><th>Huomautukset</th></tr></thead><tbody><tr><td><code>indeksi</code></td><td>Enum (katso yllä)</td><td>✅</td><td>Laskettava kasvillisuusindeksi.</td></tr><tr><td><code>toimittajat</code></td><td><code>[Provider!]!</code></td><td>✅</td><td>Jokin seuraavista <code>S2</code>, <code>L4</code>, <code>L5</code>, <code>L7</code>, <code>L8</code>, <code>L9</code>, <code>PS</code>.</td></tr><tr><td><code>startDate</code></td><td><code>String (ISO8601)</code></td><td>✅</td><td>Sisältävä alku, esim. <code>"2025-05-10T00:00:00.000Z"</code>.</td></tr><tr><td><code>endDate</code></td><td><code>String (ISO8601)</code></td><td>✅</td><td>Eksklusiivinen loppu tai inklusiivinen loppu riippuen skeemasta; vastaa muita GeoPard-kyselyjäsi.</td></tr><tr><td><code>geojson</code></td><td><code>String</code></td><td>✅</td><td>A <strong>merkkijonoksi muunnettu GeoJSON</strong> tyyppiä <code>Point</code> / <code>MultiPoint</code> / <code>Polygon</code> / <code>MultiPolygon</code> (WGS84 <code>[lon, lat]</code>). Muista paeta lainausmerkit merkkijonon sisällä.</td></tr><tr><td><code>alueita</code></td><td>[<code>[Float!]!]</code></td><td><strong>❌</strong></td><td>Taulukko <code>[min, max]</code> pareja indeksiarvoalueista kattavuustilastojen laskentaa varten</td></tr></tbody></table>

## **Suorituskykyohjeet**

* Polygon/MultiPolygon-geometrioille pidä aikavälit tiukkoina (**\~10–15 päivää**) käsittelyajan vuoksi.
* **Aikakatkaisu:** 30 s. Käytä vähemmän päiviä ja/tai vähemmän toimittajia, jos kohtaat rajan.
* Point/MultiPoint: suuremmat aikavälit yleensä ok (pisteet ovat kevyitä).

## Vastausrakenne

```graphql
graphqlKopioiMuokkaa{
  geojson              # syötteesi kaiku (merkkijonoksi muutettu)
  data: [
    {
      uuid             # rasterikuvan id
      provider         # S2, L8, L9, ...
      acquisitionDate  # ISO8601
      cloudfree        # 0..1 pilvettömän alueen osuus
      value: {
        index          # esim. NDVI
        min
        max
        avg
        mdn
        var
        std
      }
      ranges: {
        arvo
        coverage
      }
    }
  ]
}
```

## Esimerkki 1: MultiPolygon ja MCARI1 S2/L8/L9 5 päivän ikkunassa

### Pyydä

```graphql
query GetSatelliteImageryDataByMultiPolygon {
  getSatelliteImageryDataByGeometry(
    syöte: {
      index: MCARI1                # aseta indeksi tähän
      providers: [S2, L8, L9]      # satelliittitoimittajat
      startDate: "2025-05-10T00:00:00.000Z"  # polygonit: suositaan 10–15 päivää; 30s aikakatkaisu
      endDate:   "2025-05-15T00:00:00.000Z"
      geojson: "{\"type\": \"MultiPolygon\", \"coordinates\":[ [ [ [ 8.09058546, 50.21774961 ], [ 8.09291004, 50.21836077 ], [ 8.09328559, 50.21844893 ], [ 8.09341412, 50.21777585 ], [ 8.09342329, 50.21768228 ], [ 8.09342736, 50.21748691 ], [ 8.09342239, 50.21741988 ], [ 8.09331503, 50.2169872 ], [ 8.09327725, 50.21680672 ], [ 8.0932114, 50.21679383 ], [ 8.09307662, 50.216784 ], [ 8.09268795, 50.21672443 ], [ 8.09256905, 50.21670175 ], [ 8.09160986, 50.21647789 ], [ 8.09153097, 50.21647138 ], [ 8.09144745, 50.216479 ], [ 8.09128792, 50.21653615 ], [ 8.09124139, 50.21654808 ], [ 8.09119362, 50.21655407 ], [ 8.09085379, 50.21653536 ], [ 8.09039423, 50.21649463 ], [ 8.09006609, 50.21646137 ], [ 8.08994025, 50.21644261 ], [ 8.08956206, 50.21636986 ], [ 8.08937343, 50.21632184 ], [ 8.08881276, 50.21616093 ], [ 8.08860924, 50.21608589 ], [ 8.08848952, 50.21605007 ], [ 8.08841856, 50.21616403 ], [ 8.08836721, 50.2162167 ], [ 8.08830625, 50.21626762 ], [ 8.08801583, 50.21648103 ], [ 8.08783363, 50.21660479 ], [ 8.08757577, 50.21677569 ], [ 8.08741435, 50.21686857 ], [ 8.08769592, 50.21696741 ], [ 8.08853411, 50.21720846 ], [ 8.08965086, 50.2174967 ], [ 8.09058546, 50.21774961 ] ] ] ]}"
    }
  ) {
    geojson
    data {
      uuid
      provider
      acquisitionDate
      cloudfree     # 0..1
      value {       # tilastot laskettu vain pilvettömille pikseleille
        indeksi
        min
        max
        avg
        mdn
        var
        std
      }
    }
  }
}
```

### Vastaus

```json
{
  "data": {
    "getSatelliteImageryDataByGeometry": {
      "geojson": "\"{\\\"type\\\": \\\"MultiPolygon\\\", \\\"coordinates\\\": [[[[8.09058546, 50.21774961], [8.09291004, 50.21836077], [8.09328559, 50.21844893], [8.09341412, 50.21777585], [8.09342329, 50.21768228], [8.09342736, 50.21748691], [8.09342239, 50.21741988], [8.09331503, 50.2169872], [8.09327725, 50.21680672], [8.0932114, 50.21679383], [8.09307662, 50.216784], [8.09268795, 50.21672443], [8.09256905, 50.21670175], [8.09160986, 50.21647789], [8.09153097, 50.21647138], [8.09144745, 50.216479], [8.09128792, 50.21653615], [8.09124139, 50.21654808], [8.09119362, 50.21655407], [8.09085379, 50.21653536], [8.09039423, 50.21649463], [8.09006609, 50.21646137], [8.08994025, 50.21644261], [8.08956206, 50.21636986], [8.08937343, 50.21632184], [8.08881276, 50.21616093], [8.08860924, 50.21608589], [8.08848952, 50.21605007], [8.08841856, 50.21616403], [8.08836721, 50.2162167], [8.08830625, 50.21626762], [8.08801583, 50.21648103], [8.08783363, 50.21660479], [8.08757577, 50.21677569], [8.08741435, 50.21686857], [8.08769592, 50.21696741], [8.08853411, 50.21720846], [8.08965086, 50.2174967], [8.09058546, 50.21774961]]]]}\"",
      "data": [
        {
          "uuid": "16c45077-3138-5a9a-9947-d9e54ea77e38",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:37:03.661000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3026.88,
            "max": 6452.881,
            "avg": 5020.917,
            "mdn": 5086.56,
            "var": 437905.281,
            "std": 661.744
          }
        },
        {
          "uuid": "cf5d9e51-c0db-5e02-bf97-35c3e7a0fe07",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:47:13.154000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3441.96,
            "max": 6722.04,
            "avg": 5333.138,
            "mdn": 5403.36,
            "var": 372277.75,
            "std": 610.146
          }
        },
        {
          "uuid": "de9b6b8a-a195-5694-98a0-f17e8122855d",
          "provider": "S2",
          "acquisitionDate": "2025-05-11T10:47:17.500000+00:00",
          "cloudfree": "0.5547445255474452",
          "value": {
            "index": "MCARI1",
            "min": 3438.96,
            "max": 6495.96,
            "avg": 5176.501,
            "mdn": 5181,
            "var": 377633.031,
            "std": 614.519
          }
        },
        {
          "uuid": "917b3657-3ddc-5f43-b39f-5d8493282bde",
          "provider": "S2",
          "acquisitionDate": "2025-05-10T10:37:15.656000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3395.88,
            "max": 6272.881,
            "avg": 4975.816,
            "mdn": 4999.56,
            "var": 333405.031,
            "std": 577.412
          }
        },
        {
          "uuid": "3fc7ed30-677a-5430-a10b-3490d903616c",
          "provider": "L8",
          "acquisitionDate": "2025-05-12T10:21:17.302000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3171.24,
            "max": 5361,
            "avg": 4227.754,
            "mdn": 4267.68,
            "var": 261266,
            "std": 511.142
          }
        },
        {
          "uuid": "f3d1bd32-e3c8-5260-ba4c-d84c6a171986",
          "provider": "L9",
          "acquisitionDate": "2025-05-13T10:15:17.115000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3353.52,
            "max": 5451.72,
            "avg": 4428.534,
            "mdn": 4491.48,
            "var": 306042.719,
            "std": 553.211
          }
        }
      ]
    }
  }
}
```

## Esimerkki 2: MultiPoint ja NDVI S2/L8/L9 5 päivän ikkunassa

### Pyydä

```graphql
query GetSatelliteImageryDataByMultiPoint {
  getSatelliteImageryDataByGeometry(
    syöte: {
      providers: [S2, L8, L9]
      index: NDVI
      startDate: "2025-05-10T00:00:00.000Z"   # pisteet ovat kevyitä; suuremmat ikkunat OK; 30s aikakatkaisu
      endDate:   "2025-05-15T00:00:00.000Z"
      geojson: "{\"type\": \"MultiPoint\", \"coordinates\": [[8.088754, 50.216859],[8.092651, 50.216905],[ 8.090799, 50.217442]]}"
    }
  ) {
    geojson
    data {
      uuid
      provider
      acquisitionDate
      pilvettömyys
      value {
        indeksi
        min
        max
        avg
        mdn
        var
        std
      }
    }
  }
}
```

### Vastaus

```json
{
  "data": {
    "getSatelliteImageryDataByGeometry": {
      "geojson": "\"{\\\"type\\\": \\\"MultiPoint\\\", \\\"coordinates\\\": [[8.088754, 50.216859], [8.092651, 50.216905], [8.090799, 50.217442]]}\"",
      "data": [
        {
          "uuid": "cf5d9e51-c0db-5e02-bf97-35c3e7a0fe07",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:47:13.154000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.712,
            "max": 0.873,
            "avg": 0.815,
            "mdn": 0.824,
            "var": 0.002,
            "std": 0.041
          }
        },
        {
          "uuid": "16c45077-3138-5a9a-9947-d9e54ea77e38",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:37:03.661000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.642,
            "max": 0.856,
            "avg": 0.779,
            "mdn": 0.794,
            "var": 0.003,
            "std": 0.055
          }
        },
        {
          "uuid": "de9b6b8a-a195-5694-98a0-f17e8122855d",
          "provider": "S2",
          "acquisitionDate": "2025-05-11T10:47:17.500000+00:00",
          "cloudfree": "0.6363636363636364",
          "value": {
            "index": "NDVI",
            "min": 0.762,
            "max": 0.857,
            "avg": 0.826,
            "mdn": 0.83,
            "var": 0.001,
            "std": 0.029
          }
        },
        {
          "uuid": "917b3657-3ddc-5f43-b39f-5d8493282bde",
          "provider": "S2",
          "acquisitionDate": "2025-05-10T10:37:15.656000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.667,
            "max": 0.854,
            "avg": 0.79,
            "mdn": 0.802,
            "var": 0.002,
            "std": 0.048
          }
        },
        {
          "uuid": "3fc7ed30-677a-5430-a10b-3490d903616c",
          "provider": "L8",
          "acquisitionDate": "2025-05-12T10:21:17.302000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.746,
            "max": 0.87,
            "avg": 0.814,
            "mdn": 0.833,
            "var": 0.002,
            "std": 0.039
          }
        },
        {
          "uuid": "f3d1bd32-e3c8-5260-ba4c-d84c6a171986",
          "provider": "L9",
          "acquisitionDate": "2025-05-13T10:15:17.115000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.707,
            "max": 0.85,
            "avg": 0.795,
            "mdn": 0.813,
            "var": 0.002,
            "std": 0.05
          }
        }
      ]
    }
  }
}
```

## Esimerkki 3: MultiPolygon ja NDVI S2/L8/L9 alueilla 5 päivän ikkunassa

### Pyydä

```graphql
query GetSatelliteImageryDataByMultiPolygon {
  getSatelliteImageryDataByGeometry(
    syöte: {
      index: NDVI                # aseta indeksi tähän
      providers: [S2, L8, L9]      # satelliittitoimittajat
      startDate: "2025-05-10T00:00:00.000Z"  # polygonit: suositaan 10–15 päivää; 30s aikakatkaisu
      endDate:   "2025-05-15T00:00:00.000Z"
      geojson: "{\"type\": \"MultiPolygon\", \"coordinates\":[ [ [ [ 8.09058546, 50.21774961 ], [ 8.09291004, 50.21836077 ], [ 8.09328559, 50.21844893 ], [ 8.09341412, 50.21777585 ], [ 8.09342329, 50.21768228 ], [ 8.09342736, 50.21748691 ], [ 8.09342239, 50.21741988 ], [ 8.09331503, 50.2169872 ], [ 8.09327725, 50.21680672 ], [ 8.0932114, 50.21679383 ], [ 8.09307662, 50.216784 ], [ 8.09268795, 50.21672443 ], [ 8.09256905, 50.21670175 ], [ 8.09160986, 50.21647789 ], [ 8.09153097, 50.21647138 ], [ 8.09144745, 50.216479 ], [ 8.09128792, 50.21653615 ], [ 8.09124139, 50.21654808 ], [ 8.09119362, 50.21655407 ], [ 8.09085379, 50.21653536 ], [ 8.09039423, 50.21649463 ], [ 8.09006609, 50.21646137 ], [ 8.08994025, 50.21644261 ], [ 8.08956206, 50.21636986 ], [ 8.08937343, 50.21632184 ], [ 8.08881276, 50.21616093 ], [ 8.08860924, 50.21608589 ], [ 8.08848952, 50.21605007 ], [ 8.08841856, 50.21616403 ], [ 8.08836721, 50.2162167 ], [ 8.08830625, 50.21626762 ], [ 8.08801583, 50.21648103 ], [ 8.08783363, 50.21660479 ], [ 8.08757577, 50.21677569 ], [ 8.08741435, 50.21686857 ], [ 8.08769592, 50.21696741 ], [ 8.08853411, 50.21720846 ], [ 8.08965086, 50.2174967 ], [ 8.09058546, 50.21774961 ] ] ] ]}"
      ranges: [
        [0.0, 0.5],
        [0.5, 0.55],
        [0.55, 0.6],
        [0.6, 0.65],
        [0.65, 0.7],
        [0.7, 0.75],
        [0.75, 0.8],
        [0.8, 0.85],
        [0.85, 0.9]
      ]
    }
  ) {
    geojson
    data {
      uuid
      provider
      acquisitionDate
      cloudfree     # 0..1
      value {       # tilastot laskettu vain pilvettömille pikseleille
        indeksi
        min
        max
        avg
        mdn
        var
        std
      }
      ranges {
        arvo
        coverage   # 0..1
      }
    }
  }
}
```

### Vastaus

```json
{
  "data": {
    "getSatelliteImageryDataByGeometry": {
      "geojson": "{\"type\":\"MultiPolygon\",\"coordinates\":[[[[8.09058546,50.21774961],[8.09291004,50.21836077],[8.09328559,50.21844893],[8.09341412,50.21777585],[8.09342329,50.21768228],[8.09342736,50.21748691],[8.09342239,50.21741988],[8.09331503,50.2169872],[8.09327725,50.21680672],[8.0932114,50.21679383],[8.09307662,50.216784],[8.09268795,50.21672443],[8.09256905,50.21670175],[8.09160986,50.21647789],[8.09153097,50.21647138],[8.09144745,50.216479],[8.09128792,50.21653615],[8.09124139,50.21654808],[8.09119362,50.21655407],[8.09085379,50.21653536],[8.09039423,50.21649463],[8.09006609,50.21646137],[8.08994025,50.21644261],[8.08956206,50.21636986],[8.08937343,50.21632184],[8.08881276,50.21616093],[8.08860924,50.21608589],[8.08848952,50.21605007],[8.08841856,50.21616403],[8.08836721,50.2162167],[8.08830625,50.21626762],[8.08801583,50.21648103],[8.08783363,50.21660479],[8.08757577,50.21677569],[8.08741435,50.21686857],[8.08769592,50.21696741],[8.08853411,50.21720846],[8.08965086,50.2174967],[8.09058546,50.21774961]]]]}",
      "data": [
        {
          "uuid": "cf5d9e51-c0db-5e02-bf97-35c3e7a0fe07",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:47:13.154000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.625,
            "max": 0.873,
            "avg": 0.795,
            "mdn": 0.808,
            "var": 0.003,
            "std": 0.051
          },
          "ranges": [
            { "value": [0, 0.5], "coverage": 0 },
            { "value": [0.5, 0.55], "coverage": 0 },
            { "value": [0.55, 0.6], "coverage": 0 },
            { "value": [0.6, 0.65], "coverage": 0.0089 },
            { "value": [0.65, 0.7], "coverage": 0.0514 },
            { "value": [0.7, 0.75], "coverage": 0.1288 },
            { "value": [0.75, 0.8], "coverage": 0.2603 },
            { "value": [0.8, 0.85], "coverage": 0.4575 },
            { "value": [0.85, 0.9], "coverage": 0.0932 }
          ]
        },
        {
          "uuid": "917b3657-3ddc-5f43-b39f-5d8493282bde",
          "provider": "S2",
          "acquisitionDate": "2025-05-10T10:37:15.656000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.585,
            "max": 0.854,
            "avg": 0.768,
            "mdn": 0.78,
            "var": 0.003,
            "std": 0.056
          },
          "ranges": [
            { "value": [0, 0.5], "coverage": 0 },
            { "value": [0.5, 0.55], "coverage": 0 },
            { "value": [0.55, 0.6], "coverage": 0.0014 },
            { "value": [0.6, 0.65], "coverage": 0.0342 },
            { "value": [0.65, 0.7], "coverage": 0.1205 },
            { "value": [0.7, 0.75], "coverage": 0.161 },
            { "value": [0.75, 0.8], "coverage": 0.3233 },
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  }
}

```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.geopard.tech/geopard-tutorials/fin/api-dokumentaatio/geopard-api-pyyntojen-yleiskatsaus/90.-kysely-hae-satelliittikuvadatan-geometrialla.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
