Introduction and Installation of Envi

Cherry

2015-06-03

Background knowledge Envi (The Environment for Visualizing

Images, Released in 1994), The flag products of the American company ITT

It is a powerful set of remote sensing image processing software using interactive data language(IDL) by  famous scientists of Remote sensing.

Drawing a printout

Published online

IDL secondary development

3 d display

ＥＮＶＩ

panchromatic

multispectral

Radar images

Vector data

DEM data

hyperspectral

GPS data etc.

True color image archive

Preprocessing, classification ,vector ,radar terrain tool, etc

Download and Install

http://www.tactan.net/envi50-download.html. A collection of including downloading and common problems.

http://bbs.esrichina-bj.cn Communication and consultation 。

ENVI image display window

The input and display file

Window layout

The window function

Image information query

Profile analysis tools

ROI  define, edit,

delete  statisticsMergers and

intersectionROI band

domain values input and

output

Application: image cropping, maskSupervised classification etc.

Overlay/Grid line Grid and geographic lines,

General in the operation such as drawing, we need to add the grid line on the image and note, etc., ENVI can add on the images of different style as well as the geographic grid lines

Ｏ verlay/Annotation ENVI can add various types of note, you can change the note

size, edit out note, save and restore note, etc

DEM extracted contours

Overlay/contour lines

The mouse query functionality It is important to note, ENVI middle mouse

button also has rich functions

Click "Browse" and select the installation directory

Start the installation, about 5-10 minutes:

Ask whether to use license, choose "no N", we set up later

To prevent unnecessary mistakes, it is better to restart, restart the computer , then to crack!

Unzip this file

If the computer is 32 system, select the first folder, if it is a 64 - bit system, select the second folder

Copy the file(idl.dll) to the specified directory

specified directory are usually the default directory

Data Display

File layer

Band layer

Display Style

 Band Information

Show Button

Available Files List

Display window function

Save the image

Annotation

Window links\Cover shows

Image profile tool

The mouse query

Measurement function