Differences and thresholdis of ImageCollection in GEE

What is mosaic in Gee?

The mosaic() method composites overlapping images according to their order in the collection (last on top). To control the source of pixels in a mosaic (or a composite), use image masks. For example, the following uses thresholds on spectral indices to mask the image data in a mosaic: Code Editor (JavaScript)
 

How do I export an image from Google Earth Engine?

To export an image to an asset in your Earth Engine assets folder, use Export. image.

How do I stack layers in Google Earth Engine?

At first you have to select your interested bands (for example ‘B2’, ‘B3’,…. ). After computing NDVI or any other indices, you can use . addBands() to stack different layers.

How is raster data represented in google Earth Engine?

Raster data represent objects/variables on the Earth’s surface as a matrix of values, in the form of pixels, cells, or grids.
 

What are the disadvantages of mosaic?

Disadvantages

• High cost: One of the biggest drawbacks of using mosaic glass tiles is the price.
• Difficult installation: Unlike ceramic or natural stone tiles, glass mosaics are particularly difficult to install.

How does mosaic differs from a map?

A mosaic map is a map made up of different images which are displayed depending on availability and zoom level. The mosaic map can have one or more overlapping layers, so, if you zoom in or zoom out, one or another layer will be shown. For example, if you zoom out, low quality layers will be displayed.
 

How do I export high quality images from Google Earth?

Save your favorite map image

1. Open Google Earth Pro.
2. Navigate to a place on the globe.
3. In the top menu bar, click File Save Save Image.
4. In the upper menu bar below the icon strip, click Map Options.
5. If you already have map options saved on your computer, click Load.
6. To choose new map options, you can set up new options.

How do I capture a high resolution image from Google Earth?

You’ll find the save feature under file > save > save image. For a cleaner image, turn off all of the map options, and set the scaling to 1%. To maximize the saved image dimensions, set the resolution to maximum, and then resize the Google Earth window to a square. The resolution should be 4,800 x 4,800 pixels.
 

Can I publish Google Earth images?

Google Earth may not be embedded online or in apps. However, you’re welcome to export and use a handful of static images, with proper attribution, for non-commercial purposes such as news, blogs, educational, recreational, or instructional use.

What is a mosaic dataset in GIS?

A mosaic dataset allows you to store, manage, view, and query small to vast collections of raster and image data. It is a data model within the geodatabase used to manage a collection of raster datasets (images) stored as a catalog and viewed as a mosaicked image.

What is mosaic in remote sensing?

A mosaic is a photographic reproduction of a series of aerial photographs put together in such a way that the detail of one photograph matches the detail of all adjacent photographs.
 

What is mosaic strategy?

Mosaic Strategy Partners is a team of seasoned advocacy, political and communications specialists using disparate data to create a clear strategy for clients most difficult challenges.