| 1 |
.\" RCSid "$Id$" |
| 2 |
.TH MGF2META 1 11/20/95 RADIANCE |
| 3 |
.SH NAME |
| 4 |
mgf2meta - convert Materials and Geometry Format file to Metafile graphics |
| 5 |
.SH SYNOPSIS |
| 6 |
.B mgf2meta |
| 7 |
[ |
| 8 |
.B "-t threshold" |
| 9 |
] |
| 10 |
.B "{x|y|z} xmin xmax ymin ymax zmin zmax" |
| 11 |
[ |
| 12 |
.B input .. |
| 13 |
] |
| 14 |
.SH DESCRIPTION |
| 15 |
.I Mgf2meta |
| 16 |
converts one or more Materials and Geometry Format (MGF) |
| 17 |
files to a 2-D orthographic projection along the selected axis in the |
| 18 |
.I metafile(1) |
| 19 |
graphics format. |
| 20 |
All geometry is clipped to the specified bounding box, and the |
| 21 |
resulting orientation is as follows: |
| 22 |
.sp .5 |
| 23 |
.nf |
| 24 |
Projection Orientation |
| 25 |
========== =========== |
| 26 |
x Y-axis right, Z-axis up |
| 27 |
y Z-axis right, X-axis up |
| 28 |
z X-axis right, Y-axis up |
| 29 |
.fi |
| 30 |
.PP |
| 31 |
If multiple input files are given, the first file prints in black, |
| 32 |
the second prints in red, the third in green and the fourth in blue. |
| 33 |
If more than four input files are given, they cycle through the |
| 34 |
colors again in three other line types: dashed, dotted and |
| 35 |
dot-dashed. |
| 36 |
.PP |
| 37 |
The |
| 38 |
.I \-t |
| 39 |
option may be used to randomly throw out line segments that are |
| 40 |
shorter than the given |
| 41 |
.I threshold |
| 42 |
(given as a fraction of the plot width). |
| 43 |
Segments are included with a |
| 44 |
probability equal to the square of the line length over the square |
| 45 |
of the threshold. |
| 46 |
This can greatly reduce the number of lines in the drawing (and |
| 47 |
therefore improve the drawing speed) with only a modest loss in |
| 48 |
quality. |
| 49 |
A typical value for this parameter is 0.005. |
| 50 |
.PP |
| 51 |
All MGF material information is ignored on the input. |
| 52 |
.SH EXAMPLE |
| 53 |
To project two MGF files along the Z-axis and display them under |
| 54 |
X11: |
| 55 |
.IP "" .2i |
| 56 |
mgf2meta z 0 10 0 15 0 9 building1.mgf building2.mgf | x11meta -r |
| 57 |
.PP |
| 58 |
To convert a RADIANCE scene to a line drawing in RADIANCE picture |
| 59 |
format: |
| 60 |
.IP "" .2i |
| 61 |
rad2mgf scene.rad | mgf2meta x `getbbox -h scene.rad` | meta2tga | |
| 62 |
ra_t8 -r > scene.pic |
| 63 |
.SH AUTHOR |
| 64 |
Greg Ward |
| 65 |
.SH "SEE ALSO" |
| 66 |
getbbox(1), meta2tga(1), metafile(5), mgf2rad(1), pflip(1), |
| 67 |
protate(1), psmeta(1), ra_t8(1), rad2mgf(1), t4014(1), x11meta(1) |
| 68 |
.PP |
| 69 |
MGF web site "http://radsite.lbl.gov/mgf/HOME.html" |
