.mean:an image containing the integrated intensities
.velo: an image containing the centroid velocities
.width: an image containing the line width map
-------------------------------------------------------------------------------------
首先画integrated intensity.
从数据中提取x-y强度，
设置类似AIPS的配色方案，将轮廓间距设置为4Kkm/s(从4Kkm/s开始)，绘制轮廓，并生成用于打印的彩色PostScript文件：
GRAPHIC> image hcop43.mean W-GDF_RHSEC, Absent section EXTREMA W-GDF_RHSEC, Absent section RESOLUTION W-GDF_RHSEC, Absent section NOISE GRAPHIC> limits /rgd GRAPHIC> set box square GRAPHIC> plot GRAPHIC> wedge GRAPHIC> resample 100 100 /bl 0 I-RESAMPLE, Got 79 pages of virtual memory GRAPHIC> box /u s 表示unit second S-CHAR, Fonts loaded GRAPHIC> let hue[i] = 256-2*i 配色方案 GRAPHIC> lut GRAPHIC> plot GRAPHIC> wed !wedge GRAPHIC> levels 4 to 30 by 4 !轮廓从4km/s to 30km/s 间隔为4km/s I-LEVELS, Contour levels are : 4.000 8.000 12.00 16.00 20.00 24.00 28.00 GRAPHIC> rgmap I-RGMAP, Contouring checks the blanking value 0.00000 I-RGMAP, Pens 0 & 15 used for positive & negative levels I-RGMAP, Contour 1 4.00000 I-RGMAP, Contour 2 8.00000 I-RGMAP, Contour 3 12.0000 I-RGMAP, Contour 4 16.0000 I-RGMAP, Contour 5 20.0000 I-RGMAP, Contour 6 24.0000 I-RGMAP, Contour 7 28.0000 GRAPHIC> hardcopy hcop43.ps /dev ps color
原文：https://www.cnblogs.com/cuiastro/p/13933548.html