What is the .PPM File Extension?
.PPM File Extension Description:
The PPM (Portable Pixel Map) file extension is one of the three file formats that specify rules for exchanging graphic files and provide basic functionality for converting pixmap, graymap, or bitmap files between different platforms. The other two are the PGM (Portable Graymap) and PBM (Portable Bitmap) file extensions. These file extensions are collectively known as the PNM for Portable Anymap.
The PPM file extension format is the colored image file format's least common denominator. It contains a lot of information but allows very little information about the image besides its basic color, meaning it has to be coupled with other files of the same format to get any use out of it. However, the PPM file extension is very simple to write and process and very useful if used as an intermediary file extension.
A file with the .ppm file extension consists of a sequence of one or more PPM images and in between, before or after there exists no data, delimiters, or padding. Each file with the .ppm file extension consists of the magic number for identifying the file type which is the two characters "P6", the whitespace such as blanks, tabs, CRs, or LFs, the width that is has ASCII characters formatted in decimal, the whitespace, and the height that is again ASCII decimal.
The maximum color value of each file with the .ppm file extension is less than 65536 and more than zero with a single whitespace character, a precise raster of assigned height rows arranged in order from the top to the bottom. Every row actually consists of assigned width pixels, that are arranged in chronological order from the left to the right; each pixel is featured as a sort-of triplet of blue, red, and green samples; every sample is represented purely in binary by one or two bytes; a row of an image is horizontal; a column is vertical; and the pixels in the image are square and contiguous.
The PPM file extension format has another version, which is fairly plain. It has only one image in the file, the magic number is "P3", and every sample in the assigned raster is then characterized as an SCII decimal number with arbitrary size, with whitespace prior and subsequent to it, no particular separation of one pixel from another, and no line is longer than 70 characters.Author: Jef Poskanzer
Author URL: N/A
Related Applications: PGM, PBM, PNM
Common Path: N/A
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Do you have errors with .PPM files?
The Standard Cause of .PPM files Errors:
.PPM files errors are potential severe Windows file errors and are caused by a corrupted registry entry that needs to be fixed at once to protect against additional corruption in other software and/or devices. Dangers include device failure, blue screen errors and fatal crashes.
.PPM files Errors - Common Symptoms:
.PPM files errors bring on numerous symptoms, such as: personal computer hangs while starting up or shutting down, applications lock up, reduced computer speed, built-in speaker beeping, problems accessing documents, slow system behaviour and problems while installing applications.
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