scala 读雷达数据文件，生成png

import scala.io.Source
import java.io._
import java.awt.Image
import java.awt.Toolkit
import java.awt.image._
import javax.imageio._
import java.awt.Color

import scala.reflect.ClassTag

object RadareTest {
def main(arges:Array[String]){

//0~15对应的颜色值
val cormap = Map(0-> new Color(0,0,0).getRGB,
1->new Color(170,170,170).getRGB,
2->new Color(118,118,118).getRGB,
3->new Color(0,254,254).getRGB,
4->new Color(0,174,174).getRGB,
5->new Color(0,254,0).getRGB,
6->new Color(0,142,0).getRGB,
7->new Color(254,0,254).getRGB,
8->new Color(174,50,124).getRGB,
9->new Color(0,0,254).getRGB,
10->new Color(50,0,150).getRGB,
11->new Color(254,254,0).getRGB,
12->new Color(254,170,0).getRGB,
13->new Color(254,0,0).getRGB,
14->new Color(174,0,0).getRGB,
15->new Color(254,254,254).getRGB)

//读文件，将文件内容转化为二维int数组
val file = Source.fromFile("E:/txt/txt_cr_Z9010_20130722/cr_int1_Z9010_20130722_001.txt")

val arrInts = file.mkString.split("\\s+").filter(_.length > 0)
.map(e=>cormap(e.toInt)).grouped(552).toArray

//矩阵转置， 使二维数据符合在图片上的位置：从西向东，从南向北
val rc = transpose(arrInts).map(row=>row.reverse)
val arrs = transpose(rc).flatten

//关闭文件
file.close()

//生成新图片
val width = 552
val height = 424
val imageNew  =  new  BufferedImage(width,height,BufferedImage.TYPE_INT_RGB)
imageNew.setRGB(0,0,width,height,arrs,0,width) //设置RGB

val  outFile  = new File("E:/Z9010_20130722_001.png")
val bb = ImageIO.write(imageNew,  "png",  outFile) //写图片

println("write over!")

}

 /*
   * 泛型函数 矩阵转置，行列互换  
  */
  def transpose[T:ClassTag](xss: Array[Array[T]]): Array[Array[T]] ={
   for (i <- Array.range(0, xss(0).length)) yield
    for (xs <- xss) yield xs(i)
  }

}