Envi 4.8 Free Download

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How to Download and Install Envi 4.8 for Free

Envi 4.8 is a powerful image processing and analysis software that can handle various types of data, such as satellite imagery, aerial photography, lidar, radar, and more. Envi 4.8 can also integrate with ArcGIS, allowing you to exchange data and layers between the two applications.

If you want to download and install Envi 4.8 for free, you will need to follow these steps:

Go to this link and choose the appropriate installation package for your operating system (Windows, UNIX, or Macintosh).[^1^]
Save the executable file (envi48win32_setup.exe for 32-bit Windows, envi48win64_setup.exe for 64-bit Windows, or envi48platform.tar.gz for UNIX or Macintosh) in a location of your choice.
If you are using Windows, double-click on the executable file and follow the prompts to install Envi 4.8. If you are using UNIX or Macintosh, unzip and untar the file and run the install.sh script. You will need root permissions if you want to install Envi 4.8 in a public directory.
After the installation is complete, you can launch Envi 4.8 from the Start menu (Windows) or from the command line (UNIX or Macintosh).

Congratulations! You have successfully downloaded and installed Envi 4.8 for free. You can now enjoy its features and capabilities for your image processing and analysis needs.

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What are the features of Envi 4.8?

Envi 4.8 is not just a software for image processing and analysis, but also a platform for geospatial solutions. It offers a range of features and functionality that can help you get the most out of your imagery and data. Some of these features are:

Integration with ArcGIS: Envi 4.8 allows you to access its image analysis tools from directly within the ArcGIS environment, making it easier to work with both raster and vector data. You can also export Envi results as layer files or geodatabases to ArcGIS for further processing and visualization.
High performance LiDAR viewer: Envi 4.8 includes a new LiDAR viewer that can handle large point cloud datasets with high speed and efficiency. You can view LiDAR data in 2D or 3D, apply color ramps, filter points by elevation or intensity, and perform basic measurements and statistics.
Viewshed analysis: Envi 4.8 introduces a new workflow for viewshed analysis, which allows you to determine the visible areas from a given location or set of locations. You can use digital elevation models (DEMs), orthorectified images, or LiDAR data as inputs, and specify parameters such as observer height, target height, and azimuth range. You can also create multiple viewsheds and combine them using Boolean operations.
Data support: Envi 4.8 supports more than 200 different types of data, including multispectral, hyperspectral, thermal, LiDAR, SAR, and FMV. It can also handle various data collection platforms, such as satellites, airborne, drone, and terrestrial. Envi 4.8 can read and write data in many common formats, such as GeoTIFF, JPEG2000, NITF, HDF5, LAS, and Shapefile.
Spectral analysis: Envi 4.8 provides advanced spectral tools for extracting information from multispectral and hyperspectral imagery. You can perform tasks such as spectral enhancement, atmospheric correction, spectral unmixing, classification, anomaly detection, change detection, feature extraction, and more.
Extensibility: Envi 4.8 is built on IDL (Interactive Data Language), a powerful programming language that offers integrated image processing and visualization capabilities. You can use IDL to customize Envi's features and functionality to meet your specific project requirements. You can also create your own command-line functions or graphical user interfaces using IDL.

With these features and more, Envi 4.8 is the ideal software for processing and analyzing geospatial imagery used by scientists, researchers, image analysts, and GIS professionals around the world.

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