How do I view PGM files?

Programs that open PGM files

1. File Viewer Plus — Get it from Microsoft.
2. GIMP.
3. Corel PaintShop Pro.
4. Canvas X.
5. ACD Systems ACDSee Photo Studio.
6. Inkscape.
7. Netpbm.
8. Adobe Photoshop with CartaPGM plug-in.

What is PGM in C++?

PGMA_IO, a C++ library which reads and writes files in the ASCII Portable Gray Map (PGM) format for 2D grayscale graphics information. There are many graphics programs, such as XV and GIMP, that can display images in this format, or translate them to other formats such as BMP, GIF, JPEG, MacPaint, X Window, and so on.

What is PGM file?

The PGM format is a lowest common denominator grayscale file format. It is designed to be extremely easy to learn and write programs for. A PGM image represents a grayscale graphic image. There are many pseudo-PGM formats in use where everything is as specified herein except for the meaning of individual pixel values.

What is the use of PGM file command?

The Export PGM File command allows the user to export any loaded elevation grid data sets to a PGM grayscale grid file. These grid files can be used with any software application that supports PGM files. When selected, the command displays the PGM Export Options dialog which allows the user to setup the export.

How do I create a PGM file?

How to write PGM files?

1. Set the magic number P2.
2. Add whitespace (Space, Tabs, CRs, LFs)
3. Add width, formatted as ASCII character in decimal.
4. Add Whitespace.
5. Add height, formatted as ASCII character in decimal.
6. Add Whitespace.
7. Put the maximum gray value, again in ASCII decimal.
8. Add Whitespace.

How do I save as PGM?

1 Answer. You can create PGM files with GIMP (available from the Software Centre). This is made going to File -> Export As… and then selecting PGM in the All export images drop down list.