如何打开和处理Linux系统中的PGM格式图片文件-优快云博客

本文解析Portable Gray Map (PGM) 文件，一种包含8或16位灰度图像的文件，涵盖ASCII与二进制格式的区别，包括头信息、灰度范围和编辑工具。了解如何打开和处理这些文件，及其在不同平台的应用。

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.pgm

文件类型：Portable Gray Map Image

扩展名为.pgm的文件是一个Raster 图像文件。

文件说明：Grayscale image file encoded with either one or two bytes (8 or 16 bits) per pixel; contains header information and a grid of numbers that represent different shades of gray from black (0) to white (up to 65,536); typically stored in ASCII text format, but also has a binary representation.

PGM files include a header that defines the PGM format type (P2 for text or P5 for binary), image width and height, and the maximum number of shades; while binary PGM files may contain multiple images, ASCII PGM files may only include one image.

PGM files may also be called portable greymap files..pgm

打开.pgm文件

Mac OSNetpbm

Adobe Photoshop CS5 with CartaPGM plug-in

Editable with a text editor

WindowsNetpbm

Corel PaintShop Photo Pro X3

Adobe Photoshop CS5 with CartaPGM plug-in

ACDSee Photo Manager 2009

Editable with a text editor

LinuxNetpbm

Editable with a text editor

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pgm文件

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