IDL | Experiment 5 IDL Data Visualization

1. The purpose of the experiment

1. Learn about visual analysis methods for IDL data, including direct graphics and object graphics.
2. Master IDL object graphics.
3. Master IDL fast visualization

Second, the basic requirements of the experiment

1. Read and master the code in this lab carefully before class.
2. On the computer to practice the operation of this experimental program.
3. Save and record experimental results, and analyze and summarize.

3. Experiment time and place

1. Place:
2. time:

4. Experimental conditions

1. Hardware: PC computer (Windows 10 operating system)
2. Software: IDL 8.5
3. Reference materials: teaching materials and PPT courseware for class

5. Experiment content

1. The plot process draws the curve
2. plot() function to draw a curve
3. Histogram
4. Drawing of histogram
5. visualization of images

6. Matters needing attention

1. Pay attention to the difference between Chinese and English punctuation input when typing the code. All IDL commands are entered in English half-width characters
. 2. Compare and distinguish four visualization methods

Seven, the main steps of the experiment

1. The plot process draws the curve

2. The plot() function draws the curve

3. Histogram

4. Drawing of histogram

5. Visualization of Images

Eight, experimental analysis summary

There is an error in the histogram file. When opening the file, there is always an error. I don't understand that the ENVI image cannot be opened.