---
name: "nviz_cmd"
section: "1grass"
platform: "linux"
package: "grass-doc"
version: "6.4.0~rc6+42329-3"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/nviz_cmd"
---

# nviz\_cmd(1grass)

Experimental NVIZ CLI prototype.

## NAME

**nviz\_cmd**  - Experimental NVIZ CLI prototype.

## KEYWORDS

visualization, raster, vector, raster3d

## SYNOPSIS

**nviz\_cmd**\
 **nviz\_cmd help**\
 **nviz\_cmd** \[-**a**\]  \[**elevation\_map**=*name*\[,*name*,...\]\]   \[**elevation\_value**=*value*\[,*value*,...\]\]   \[**color\_map**=*name*\[,*name*,...\]\]   \[**color\_value**=*name*\[,*name*,...\]\]   \[**mask\_map**=*name*\[,*name*,...\]\]   \[**transparency\_map**=*name*\[,*name*,...\]\]   \[**transparency\_value**=*value*\[,*value*,...\]\]   \[**shininess\_map**=*name*\[,*name*,...\]\]   \[**shininess\_value**=*value*\[,*value*,...\]\]   \[**emission\_map**=*name*\[,*name*,...\]\]   \[**emission\_value**=*value*\[,*value*,...\]\]  **mode**=*string*\[,*string*,...\] **resolution\_fine**=*value*\[,*value*,...\] **resolution\_coarse**=*value*\[,*value*,...\] **style**=*string*\[,*string*,...\] **shading**=*string*\[,*string*,...\] **wire\_color**=*name*\[,*name*,...\] **shading**=*string*\[,*string*,...\] **position**=*x,y,z*\[,*x,y,z*,...\]  \[**vline**=*name*\[,*name*,...\]\]   \[**vline\_width**=*value*\[,*value*,...\]\]   \[**vline\_color**=*name*\[,*name*,...\]\]  **vline\_mode**=*string*\[,*string*,...\]  \[**vline\_height**=*value*\[,*value*,...\]\]  **vline\_position**=*x,y,z*\[,*x,y,z*,...\]  \[**vpoint**=*name*\[,*name*,...\]\]   \[**vpoint\_size**=*value*\[,*value*,...\]\]   \[**vpoint\_width**=*value*\[,*value*,...\]\]   \[**vpoint\_color**=*name*\[,*name*,...\]\]  **vpoint\_marker**=*string*\[,*string*,...\] **vpoint\_position**=*x,y,z*\[,*x,y,z*,...\]  \[**volume**=*name*\[,*name*,...\]\]  **volume\_mode**=*string*\[,*string*,...\] **volume\_shading**=*string*\[,*string*,...\] **volume\_position**=*x,y,z*\[,*x,y,z*,...\] **volume\_resolution**=*value*\[,*value*,...\]  \[**isosurf\_level**=*volume:value*\[,*volume:value*,...\]\]   \[**bgcolor**=*name*\]   \[**position**=*x,y*\]   \[**height**=*value*\]   \[**perspective**=*value*\]   \[**twist**=*value*\]   \[**zexag**=*value*\]  **output**=*name* **format**=*string* **size**=*width,height*  \[--**verbose**\]  \[--**quiet**\]

### Flags:

- **-a**

  Use draw mode for all loaded surfaces

- **--verbose**

  Verbose module output

- **--quiet**

  Quiet module output

### Parameters:

- **elevation\_map**=*name\[,name*,...\]

  Name of raster map(s) for elevation

- **elevation\_value**=*value\[,value*,...\]

  Elevation value(s)

- **color\_map**=*name\[,name*,...\]

  Name of raster map(s) for color

- **color\_value**=*name\[,name*,...\]

  Color value(s)\
   Either a standard color name or R:G:B triplet

- **mask\_map**=*name\[,name*,...\]

  Name of raster map(s) for mask

- **transparency\_map**=*name\[,name*,...\]

  Name of raster map(s) for transparency

- **transparency\_value**=*value\[,value*,...\]

  Transparency value(s)\
   Options: *0-255*

- **shininess\_map**=*name\[,name*,...\]

  Name of raster map(s) for shininess

- **shininess\_value**=*value\[,value*,...\]

  Shininess value(s)\
   Options: *0-255*

- **emission\_map**=*name\[,name*,...\]

  Name of raster map(s) for emission

- **emission\_value**=*value\[,value*,...\]

  Emission value(s)\
   Options: *0-255*

- **mode**=*string\[,string*,...\]

  Draw mode\
   Options: *coarse,fine,both*\
   Default: *fine*

- **resolution\_fine**=*value\[,value*,...\]

  Fine resolution\
   Default: *6*

- **resolution\_coarse**=*value\[,value*,...\]

  Coarse resolution\
   Default: *9*

- **style**=*string\[,string*,...\]

  Draw style\
   Options: *wire,surface*\
   Default: *surface*

- **shading**=*string\[,string*,...\]

  Shading\
   Options: *flat,gouraud*\
   Default: *gouraud*

- **wire\_color**=*name\[,name*,...\]

  Wire color\
   Either a standard color name or R:G:B triplet\
   Default: *136:136:136*

- **shading**=*string\[,string*,...\]

  Shading\
   Options: *flat,gouraud*\
   Default: *gouraud*

- **position**=*x,y,z\[,x,y,z*,...\]

  Position\
   Default: *0,0,0*

- **vline**=*name\[,name*,...\]

  Name of line vector overlay map(s)

- **vline\_width**=*value\[,value*,...\]

  Vector line width\
   Options: *1-100*\
   Default: *2*

- **vline\_color**=*name\[,name*,...\]

  Vector line color\
   Either a standard color name or R:G:B triplet\
   Default: *blue*

- **vline\_mode**=*string\[,string*,...\]

  Vector line display mode\
   Options: *surface,flat*\
   Default: *surface*

- **vline\_height**=*value\[,value*,...\]

  Vector line height\
   Options: *0-1000*\
   Default: *0*

- **vline\_position**=*x,y,z\[,x,y,z*,...\]

  Position\
   Default: *0,0,0*

- **vpoint**=*name\[,name*,...\]

  Name of point vector overlay map(s)

- **vpoint\_size**=*value\[,value*,...\]

  Icon size\
   Options: *1-1000*\
   Default: *100*

- **vpoint\_width**=*value\[,value*,...\]

  Icon width\
   Options: *1-1000*\
   Default: *2*

- **vpoint\_color**=*name\[,name*,...\]

  Icon color\
   Either a standard color name or R:G:B triplet\
   Default: *blue*

- **vpoint\_marker**=*string\[,string*,...\]

  Icon marker\
   Options: *x,sphere,diamond,cube,box,gyro,aster,histogram*\
   Default: *sphere*

- **vpoint\_position**=*x,y,z\[,x,y,z*,...\]

  Position\
   Default: *0,0,0*

- **volume**=*name\[,name*,...\]

  Name of input raster3d map(s)

- **volume\_mode**=*string\[,string*,...\]

  Volume draw mode\
   Options: *isosurface,slice*\
   Default: *isosurface*

- **volume\_shading**=*string\[,string*,...\]

  Volume shading\
   Options: *flat,gouraud*\
   Default: *gouraud*

- **volume\_position**=*x,y,z\[,x,y,z*,...\]

  Volume position\
   Default: *0,0,0*

- **volume\_resolution**=*value\[,value*,...\]

  Volume resolution\
   Default: *3*

- **isosurf\_level**=*volume:value\[,volume:value*,...\]

  Isosurface level

- **bgcolor**=*name*

  Background color\
   Either a standard GRASS color, R:G:B triplet, or "none"\
   Default: *white*

- **position**=*x,y*

  Viewpoint position (x,y model coordinates)\
   Default: *0.85,0.85*

- **height**=*value*

  Viewpoint height (in map units)

- **perspective**=*value*

  Viewpoint field of view (in degrees)\
   Options: *1-100*\
   Default: *40*

- **twist**=*value*

  Viewpoint twist angle (in degrees)\
   Options: *-180-180*\
   Default: *0*

- **zexag**=*value*

  Vertical exaggeration

- **output**=*name*

  Name for output file (do not add extension)

- **format**=*string*

  Graphics file format\
   Options: *ppm,tif*\
   Default: *ppm*

- **size**=*width,height*

  Width and height of output image\
   Default: *640,480*

## DESCRIPTION

Experimental CLI prototype of NVIZ.

TODO

## SEE ALSO

*TCL/TK-based NVIZ*

## AUTHOR

Martin Landa (Google Summer of Code 2008)

*Last changed: $Date: 2008-07-01 22:02:21 +0200 (mar, 01 lug 2008) $*

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© 2003-2010 GRASS Development Team