.EVF File

What is an .evf file?

An .evf file is an ENVI Vector file. It is a file format used by the ENVI software series for storing vector data. Vector data is a type of geospatial data that represents features on a map as points, lines, and polygons. ENVI is a software platform for processing and analyzing geospatial imagery. It is used by scientists, researchers, image analysts, and GIS professionals around the world.

An .evf file contains a list of vector features, each of which has a set of attributes. The attributes can include the feature's type, coordinates, name, and other information. .evf files can be used to store a variety of vector data, such as roads, buildings, land use, and vegetation.

How to open an .evf file?

1. Use the ENVI software. This is the official software for opening .evf files. You can download it from the ENVI website. Once you have installed ENVI, you can open an .evf file by following these steps:

   1. Open ENVI.
   2. Click on the File menu and select Open.
   3. In the Open File dialog box, navigate to the folder where the .evf file is located.
   4. Select the .evf file and click on the Open button.
   5. The .evf file will be opened in the ENVI viewer.

2. Use a third-party viewer. There are a few third-party viewers that can open .evf files. One popular option is the Global Mapper software. You can download Global Mapper from the Global Mapper website. Once you have installed Global Mapper, you can open an .evf file by following these steps:

   1. Open Global Mapper.
   2. Click on the File menu and select Open.
   3. In the Open File dialog box, navigate to the folder where the .evf file is located.
   4. Select the .evf file and click on the Open button.
   5. The .evf file will be opened in the Global Mapper viewer.

What software can be used to view .evf files?

• ENVI: ENVI is a commercial software program that is developed and distributed by Exelis Visual Information Solutions. It is a powerful platform for processing and analyzing geospatial data. ENVI can be used to view, manipulate, and analyze a wide variety of geospatial data formats, including .evf files.
• Global Mapper: Global Mapper is a third-party software program that is developed and distributed by Blue Marble Geographics. It is a popular option for viewing and manipulating geospatial data. Global Mapper can open a wide variety of geospatial data formats, including .evf files. It is also a powerful tool for creating maps and other geospatial products.
• QGIS: QGIS is an open-source GIS software program that is developed and distributed by the QGIS Community. It is a powerful and versatile option for viewing and editing geospatial data. QGIS can open a wide variety of geospatial data formats, including .evf files. It is also a free and open-source software program, which makes it a popular choice for budget-minded users.
• ArcGIS: ArcGIS is a commercial GIS software program that is developed and distributed by Esri. It is a powerful and widely used option for viewing and analyzing geospatial data. ArcGIS can open a wide variety of geospatial data formats, including .evf files. It is also a comprehensive software suite that includes a variety of tools for processing, analyzing, and visualizing geospatial data.

How to convert an .evf file to another format?

1. Use a file converter software. There are a few file converter software programs that can convert .evf files to other formats. One popular option is the FreeFileConvert: https://www.freefileconvert.com/ website. You can use this website to convert .evf files to a variety of formats, including .shp, .kml, and .csv.
2. Use a GIS software program. Many GIS software programs, such as ENVI, Global Mapper, and QGIS, can convert .evf files to other formats. To do this, you will need to open the .evf file in the GIS software program and then use the export function to convert it to the desired format.

What are the limitations of .evf files?

• They are not as widely supported as other vector file formats. Not all GIS software programs can open .evf files. This can be a problem if you need to share your .evf files with others or if you need to use them in a software program that does not support .evf files.
• They can be large in size. .evf files can be large in size, especially if they contain a lot of data. This can make them slow to open and process, especially on older computers.
• They are not as flexible as other vector file formats. .evf files are not as flexible as other vector file formats, such as .shp files. This means that you may have to convert your .evf files to another format if you need to use them in a software program that does not support .evf files.

Despite these limitations, .evf files are a popular choice for storing vector data. They are relatively easy to create and use, and they can be opened by a variety of GIS software programs. If you are looking for a file format for storing vector data that is easy to use and supported by a variety of software programs, then .evf files may be a good option for you.

Here are some other vector file formats that you may want to consider:

• Shapefile (.shp): Shapefiles are a popular vector file format that is supported by a wide variety of GIS software programs. They are relatively easy to create and use, and they are not as large in size as .evf files.
• GeoJSON (.geojson): GeoJSON is a newer vector file format that is becoming increasingly popular. It is a lightweight format that is easy to create and use, and it is supported by a growing number of GIS software programs.
• KML (.kml): KML is a vector file format that is used for displaying geographic data on Google Earth. It is a relatively easy format to create and use, and it is supported by Google Earth.

What is the difference between an .evf file and a .jpg file?

.evf and .jpg are two different file formats with different purposes.

• .evf files are vector file formats that store geographic data. They are used to store features such as points, lines, and polygons. .evf files are commonly used in GIS software programs.
• .jpg files are raster file formats that store images. They are used to store photographs and other types of images. .jpg files are commonly used on the web and in mobile devices.

Here is a table summarizing the key differences between .evf and .jpg files:

What is the best way to store .evf files?

The best way to store .evf files depends on your specific needs and requirements. Here are a few factors to consider when choosing a storage method for your .evf files:

• File size: .evf files can be large in size, especially if they contain a lot of data. If you need to store a lot of .evf files, you will need to choose a storage method that can accommodate large files.
• Access speed: If you need to access your .evf files frequently, you will need to choose a storage method that provides fast access times.
• Cost: Storage costs can vary depending on the type of storage you choose. If you are on a budget, you will need to choose a storage method that is affordable.
• Security: You need to make sure that your .evf files are secure and protected from unauthorized access. If you are storing sensitive data, you will need to choose a storage method that provides strong security features.

Here are a few storage methods that you may want to consider for storing your .evf files:

• Local hard drive: A local hard drive is a good option for storing .evf files if you need to access them frequently and if you need fast access times. However, local hard drives can be expensive and they can be prone to failure.
• Network storage: A network storage device, such as a NAS or SAN, is a good option for storing .evf files if you need to store a lot of files and if you need to access them from multiple computers. Network storage devices can be more expensive than local hard drives, but they are more reliable and they can provide faster access times.
• Cloud storage: Cloud storage is a good option for storing .evf files if you need to access them from anywhere and if you need to share them with others. Cloud storage is also a good option if you are on a budget. However, cloud storage can be slower than local or network storage, and it may not be as secure.

Ultimately, the best way to store .evf files is the way that best meets your specific needs and requirements. Consider the factors listed above when choosing a storage method for your .evf files.