FAQ

Up-to-date satellite imagery expensive? Think again. We enable forward-thinking businesses leverage up-to-date satellite data and turn it into actionable insights.

Want to know more? Tech Specs

The most up-to-date open data satellite map in the world

Terramonitor is a space data company and we produce space data based analysis and monitoring services. Our technology is based on the satellite data processing chains, automatic image scanning and multi-source data merging. As a result of this data process, we create new information to support our customers’ decisions and processes.

Real time insights

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Endless opportunities

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Integrate & Share

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Why are there clouds in some parts of the images?
The machine learning algorithm used to generate the dynamic layers is based on multi-objective optimization taking into account the (1) up-to-date, (2) cloudless and (3) spatial uniformity of the raw satellite data. The processing chain automatically handles the trade-off between these three partially conflicting objectives. Sometimes this means that the algorithm needs to make a decision between up-to-date and cloudless.

Why are some parts of the globe not up to date?
The machine learning algorithm used to generate the dynamic layers is based on multi-objective optimization taking into account the (1) up-to-date, (2) cloudless and (3) spatial uniformity of the raw satellite data. The processing chain automatically handles the trade-off between these three partially conflicting objectives. Sometimes this means that the algorithm needs to make a decision between up-to-date and cloudless.

How often does the world view update?
Monthly on average. While we are processing new satellite data daily, we want to make sure we only deliver as cloudless and spatially uniform data as possible. This is why we only show less than 1% of the processed data. We provide date overlays which tell the exact dates for when specific areas of the map were last updated.

Why is there no data in the ocean?
The layers included in the Terramonitor plans are based on a variety of satellite data sources depending on zoom level and geographic availability. The main data source is the Sentinel-2 constellation which is designed for monitoring land and coastal areas. Oceans are not currently included in the service. The Sentinel-2 satellites systematically acquire data over land and coastal areas in a band of latitude extending from 56° South (Isla Hornos, Cape Horn, South America) to 83° North (above Greenland). In addition, the Sentinel-2 observation scenario includes observations following member states or Copernicus Services requests (e.g. Antarctica, Baffin Bay). More information on the constellation can be found here.

What is the accuracy and resolution of the map?
The spatial resolution of the base map depends on the geographic availability of satellite data and ranges from 10 to 0.5 meters per pixel. It is sufficient for monitoring relatively large areas, such as forests, fields, glaciers, roads, airports and city districts. It is not best suited for monitoring individual cars, people or lampposts.

What layers Terramonitor Free/Pro plan includes?
Terramonitor Free/Pro plan includes the following layers covering land areas globally:
Terramonitor Fusion and Terramonitor Fusion IR
An AI-powered fusion of remote sensing data, seeking the best combination of spatial, spectral, radiometric and temporal resolution. Terramonitor Fusion provides a natural color map with RGB channels. Terramonitor Fusion IR provides a false color map with NIR, R, G channels.
Terramonitor Recent and Terramonitor Recent IR
Guaranteed up-to-date satellite maps with a fixed pixel resolution. Terramonitor Recent provides a natural color map with RGB channels. Terramonitor Recent IR provides a false color map with NIR, R, G channels.
Terramonitor Fusion History and Terramonitor History
Natural color maps older than the ones provided by Terramonitor Fusion and Terramonitor Recent, respectively.
Terramonitor Vegetation
Maximum vegetation index during the past 12 months on a scale of blue-green-yellow-red. Blue denotes low vegetation and red denotes high vegetation.
Terramonitor Fusion date, Terramonitor Recent date, Terramonitor History date and Terramonitor Vegetation date
Partially transparent date layers representing the acquisition date of corresponding layers. Terramonitor Fusion date holds for Terramonitor Fusion and Terramonitor Fusion IR, Terramonitor Recent date  for Terramonitor Recent and Terramonitor Recent IR, Terramonitor History date for Terramonitor Fusion History and Terramonitor History, and Terramonitor Vegetation date for Terramonitor Vegetation.

Why aren't cities as good looking as forest areas?
Terramonitor is optimized for vegetation and remote areas, therefore some cities may seem not uniform. We are continuosly working to improve maps for urban monitoring.

Why isn't Terramonitor Vegetation heatmap date same as Terramonitor Recent date?
Terramonitor Vegetation heatmap shows maximum vegetation index during the past 12 months on a scale of blue-green-yellow-red. Blue denotes low vegetation and red denotes high vegetation. Terramonitor Vegetation heatmap date equals to acquisition date of the images
used to calculate Terramonitor Vegetation heatmap, whereas Terramonitor Recent date is the acquisition date of Terramonitor Recent True color and False color.

What is the difference between Terramonitor Free and Terramonitor Pro plan?
Terramonitor Free plan includes limited zoom levels and API access. Terramonitor Pro plan includes full access to all zoom levels with unlimited API users within one organization. By using Terramonitor Pro plan you get cloudless multi-layer views with timestamps and layers can be integrated via API. You also get technical and customer support whenever needed. Subscribe to Terramonitor Pro with free trial here.

What is the difference between true color and false color?
An image is called a true color image when it offers a natural color rendition, or when it comes close to it. This means that the colors of an object in an image appear to a human observer the same way as if this observer was to directly view the object: A green tree appears green in the image, a red apple red, a blue sky blue, and so on. A false color image is generally an image that is not a true color image. In Terramonitor Maps, the false color layer presents near-infrared radiation as red, red radiation as green and green radiation as blue. This type of false color visualization is widely used in vegetation analysis.

Why aren't there more layers?
Satellite data consists of multiple spectral bands, and combinations of choosing which ones to visualize are virtually endless. We are interested in hearing your specific use case, and we are able to provide you with custom layers. Contact us for more information on such services.

How does this satelite map differ from another ones?
Up-to-date, one-click integration, fixed monthly pricing, global coverage, high resolution.

How many satellites' data are you processing?
We currently provide satellite data from a variety of satellite data sources depending on zoom level and geographic availability.

Where do these images come from?
The data included in the Terramonitor plans are based on a variety of satellite data sources depending on zoom level and geographic availability. The main data source is the Sentinel-2 constellation operated by ESA (European Space Agency). More information on the constellation can be found here.

Why do we use Sentinel data?
Sentinel data comes from the European Space Agency's Copernicus-program which is the 5 billlion euro space program for earth observation. This means that the data collected from the program is very high quality, reliable and global.

How do I access the service?
We offer both a web browser interface and a possibility to integrate map layers to desktop or web-based GIS clients. Our web interface works with any modern browser, including Internet Explorer 11, Microsoft Edge, Google Chrome and Mozilla Firefox. Details for GIS client integration are here.

How can I integrate the data to our company's GIS?
The data is available in widely supported WMS and WMTS formats. Instructions for integration are found here.

Which GIS software and operating systems are supported?
We have successfully integrated our WMS and WMTS layers to QGIS versions 3.0 and 2.18 running on Windows, OS X and Ubuntu Linux. We also support CORS, meaning we support any browser-based GIS clients.

I am interested in using Terramonitor for research/education. Do you offer discounts for researchers?
We provide free licenses to Terramonitor Pro for researchers and non-profit organizations. If you are interested in using Terramonitor for research or education, please send your request here.

What payment methods are supported?
You may pay for the service with a credit card. Billing is monthly or yearly, and subscription plans are monthly or yearly.

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