En Lettonie, les orthophotoplans sont préparés dans le système de coordonnées letton LKS-92 TM selon la division des feuilles de carte TKS-93 (une feuille de carte à l'échelle 1:10 000 correspond à 5 x 5 kilomètres dans la nature). Des orthophotoplans sont préparés pour l'ensemble du territoire letton à l'échelle 1:10 000, mais pour des territoires distincts (villes et zones à forte densité de population), ils sont à l'échelle 1:2 000 ou 1:1 000.
L'ensemble de données RVB comporte trois bandes : rouge, vert et bleu.
En Lettonie, les orthophotoplans sont préparés dans le système de coordonnées letton LKS-92 TM selon la division des feuilles de carte TKS-93 (une feuille de carte à l'échelle 1:10 000 correspond à 5 x 5 kilomètres dans la nature). Des orthophotoplans sont préparés pour l'ensemble du territoire letton à l'échelle 1:10 000, mais pour des …
[null,null,[],[[["\u003cp\u003eThis dataset provides RGB orthophoto maps for Latvia, covering the period from 2007 to 2018.\u003c/p\u003e\n"],["\u003cp\u003eOrthophotos are available at a resolution of 0.2 meters, with separate territories like cities having resolutions up to 1:1000 or 1:2000.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is based on the Latvian coordinate system LKS-92 TM and TKS-93 map sheet division.\u003c/p\u003e\n"],["\u003cp\u003eRGB orthophotos are provided with three bands: Red, Green, and Blue (R, G, B).\u003c/p\u003e\n"],["\u003cp\u003eFor detailed information and terms of use, refer to the provided links to the Latvia orthophotos documentation and the Latvijas Geospatial Information Agency.\u003c/p\u003e\n"]]],["The dataset provides Latvia's orthophoto maps from 2007 to 2018, available via Google Earth Engine. These RGB images, sourced from the Latvian Geospatial Information Agency, cover all of Latvia at a 1:10000 scale, with higher resolutions for urban areas. The dataset, in LKS-92 TM coordinates, has 0.2-meter pixel size and offers red, green, and blue bands (0-255 range). Access the dataset using the `ee.ImageCollection(\"Latvia/Maamet/orthos/rgb\")` code snippet.\n"],null,["# Latvia RGB orthophotos\n\nDataset Availability\n: 2007-01-01T00:00:00Z--2018-01-01T00:00:00Z\n\nDataset Provider\n:\n\n\n [Latvia orthophotos](https://www.lgia.gov.lv/lv/ortofotokartes-1)\n\nTags\n:\n[latvia](/earth-engine/datasets/tags/latvia) [orthophotos](/earth-engine/datasets/tags/orthophotos) [rgb](/earth-engine/datasets/tags/rgb) \n\n#### Description\n\nIn Latvia, orthophoto maps are prepared in the Latvian coordinate system\nLKS-92 TM according to the TKS-93 map sheet division (scale 1:10000 map\nsheet corresponds to 5 x 5 kilometers in nature). Orthophoto maps are\nprepared for the whole territory of Latvia at the scale of\n1:10000, but for separate territories - for cities and densely populated\nareas - at the scale of 1:2000 or 1:1000.\n\nThe RGB dataset has three bands: red, green, and blue.\n\nFor more information, please see the\n[Latvia orthophotos documentation](https://www.lgia.gov.lv/lv/ortofotokartes-1)\n\n### Bands\n\n\n**Pixel Size**\n\n0.2 meters\n\n**Bands**\n\n| Name | Units | Min | Max | Pixel Size | Description |\n|------|-------|-----|-----|------------|-------------|\n| `R` | dn | 0 | 255 | meters | Red |\n| `G` | dn | 0 | 255 | meters | Green |\n| `B` | dn | 0 | 255 | meters | Blue |\n\n### Terms of Use\n\n**Terms of Use**\n\nFor more details please see the\n[Terms of use](https://www.lgia.gov.lv/sites/lgia/files/document/Atverto%20datu%20licence%20CC%20BY_0.pdf)\n\n### Citations\n\nCitations:\n\n- Latvijas Geospatial Information Agency\n\n### Explore with Earth Engine\n\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar dataset = ee.ImageCollection('Latvia/Maamet/orthos/rgb');\n\nMap.setCenter(24.737, 56.861, 15);\nMap.addLayer(dataset, null, 'Latvia Maamet RGB');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/Latvia/Latvia_Maamet_orthos_rgb) \n[Latvia RGB orthophotos](/earth-engine/datasets/catalog/Latvia_Maamet_orthos_rgb) \nIn Latvia, orthophoto maps are prepared in the Latvian coordinate system LKS-92 TM according to the TKS-93 map sheet division (scale 1:10000 map sheet corresponds to 5 x 5 kilometers in nature). Orthophoto maps are prepared for the whole territory of Latvia at the scale of 1:10000, but for separate ... \nLatvia/Maamet/orthos/rgb, latvia,orthophotos,rgb \n2007-01-01T00:00:00Z/2018-01-01T00:00:00Z \n55.5 20.5 58.5 28.6 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://www.lgia.gov.lv/lv/ortofotokartes-1)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/Latvia_Maamet_orthos_rgb)"]]
