---
name: "normal-blending"
section: "1"
platform: "linux"
package: "libfilament-tools"
version: "1.9.25+dfsg3-1+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/normal-blending"
---

# normal-blending(1)

filament material tools

## NAME

normal-blending - filament material tools

## DESCRIPTION

normal-blending is a tool for blending normal maps using Reoriented Normal Mapping Usage:

-

  normal-blending \[options\] \<normal-map\> \<detail-map\> \<output-map\>

### Supported input formats:

-

  PNG, 8 and 16 bits Radiance (.hdr) Photoshop (.psd), 16 and 32 bits OpenEXR (.exr)

## OPTIONS

**--help**, **-h**

-

  print this message

**--license**

-

  Print copyright and license information

**--format**=*\[exr*\|hdr\|psd\|png\|dds\], **-f** \[exr\|hdr\|psd\|png\|dds\]

-

  specify output file format, inferred from file name if omitted

**--compression**=*COMPRESSION*, **-c** COMPRESSION

-

  format specific compression:

-

  PNG: Ignored Radiance: Ignored Photoshop: 16 (default), 32 OpenEXR: RAW, RLE, ZIPS, ZIP, PIZ (default) DDS: 8, 16 (default), 32

### Usage:

-

  normal-blending \[options\] \<normal-map\> \<detail-map\> \<output-map\>

### Supported input formats:

-

  PNG, 8 and 16 bits Radiance (.hdr) Photoshop (.psd), 16 and 32 bits OpenEXR (.exr)

**--help**, **-h**

-

  print this message

**--license**

-

  Print copyright and license information

**--format**=*\[exr*\|hdr\|psd\|png\|dds\], **-f** \[exr\|hdr\|psd\|png\|dds\]

-

  specify output file format, inferred from file name if omitted

**--compression**=*COMPRESSION*, **-c** COMPRESSION

-

  format specific compression:

-

  PNG: Ignored Radiance: Ignored Photoshop: 16 (default), 32 OpenEXR: RAW, RLE, ZIPS, ZIP, PIZ (default) DDS: 8, 16 (default), 32