.ppm文件扩展名，.ppm文件如何打开？

.ppm

文件类型：Portable Pixmap Image File

扩展名为.ppm的文件是一个Raster 图像文件。

文件说明：

24-bit color image that is formatted in text format; each pixel is assigned a number from 0 to 65536 that defines the color of the pixel; other information stored in a PPM file includes the image height and width, whitespace data, and the maximum color value.

Because the PPM format is uncompressed and is inefficient compared to other image formats, it is seldom used for saving large image files..ppm                                                                      

打开.ppm文件

Mac OS

Netpbm

Adobe Photoshop CS5   with CartaPGM plugin

用文本编辑器编辑

　

Windows

Netpbm

Corel PaintShop Photo Pro X3  

Adobe Photoshop CS5   with CartaPGM plugin

ACDSee Photo Manager 2009

Edit with a text editor

　

Linux

Netpbm graphics package

其它内容

来源：. ppm文件