---
name: "r.in.png"
section: "1grass"
platform: "linux"
package: "grass-doc"
version: "8.4.1-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/r.in.png"
---

# r.in.png(1grass)

Imports non-georeferenced PNG format image.

## NAME

**r.in.png**  - Imports non-georeferenced PNG format image.

## KEYWORDS

raster, import, PNG

## SYNOPSIS

**r.in.png**\
 **r.in.png --help**\
 **r.in.png** \[-**fh**\] **input**=*name* **output**=*name*  \[**title**=*string*\]   \[**gamma**=*float*\]   \[**alpha**=*float*\]   \[--**overwrite**\]  \[--**help**\]  \[--**verbose**\]  \[--**quiet**\]  \[--**ui**\]

### Flags:

- **-f**

  Create floating-point map (0.0 - 1.0)

- **-h**

  Output image file header only and exit

- **--overwrite**

  Allow output files to overwrite existing files

- **--help**

  Print usage summary

- **--verbose**

  Verbose module output

- **--quiet**

  Quiet module output

- **--ui**

  Force launching GUI dialog

### Parameters:

- **input**=*name* **\[required\]**

  Name of input file

- **output**=*name* **\[required\]**

  Name for output raster map

- **title**=*string*

  Title for created raster map

- **gamma**=*float*

  Display gamma

- **alpha**=*float*

  Alpha threshold

## DESCRIPTION

*r.in.png* imports a non-georeferenced Portable Network Graphics (PNG) image as a GRASS raster map. Georeferencing .wld files are not supported, for that *r.import* can be used.

## NOTES

In order to assign georeferencing after import use *r.region*.

## SEE ALSO

*r.import,* *r.in.gdal,* *r.out.png,* *r.region*

## AUTHORS

Michael Shapiro\
 Alex Shevlakov\
 Glynn Clements

## SOURCE CODE

Available at: r.in.png source code (history)

Accessed: Monday Feb 24 17:50:39 2025

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