#                        H E L P . T C L
# BRL-CAD
#
# Copyright (c) 2004-2021 United States Government as represented by
# the U.S. Army Research Laboratory.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# version 2.1 as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this file; see the file named COPYING for more
# information.
#
###
#==============================================================================
#
# TCL versions of MGED "help", "?", and "apropos" commands
#
#==============================================================================

# This command causes helplib.tcl to get read in.
source [file join [bu_dir data] "tclscripts" "helplib.tcl"]
helplib

set mged_help_data(?)		{{}	{summary of available mged commands}}
set mged_help_data(?lib)	{{}	{summary of available library commands}}
set mged_help_data(?devel)	{{}	{summary of available mged developer commands}}
set mged_help_data(%)		{{}	{Escape to an interactive shell. Note - This only works in a
    command window associated with a tty (i.e. the window used
					  to start MGED in classic mode). }}
set mged_help_data(3ptarb)	{{}	{makes arb given 3 pts, 2 coord of 4th pt, and thickness}}
set mged_help_data(adc)		{{[<a1|a2|dst|dh|dv|hv|dx|dy|dz|xyz|reset|help> [value(s)]]}	{control the angle/distance cursor}}
set mged_help_data(adjust)	$helplib_data(wdb_adjust)
set mged_help_data(ae)		$helplib_data(vo_aet)
set mged_help_data(analyze)	{{[arbname]}	{analyze faces of ARB}}
set mged_help_data(apropos)	{{keyword}	{finds commands whose descriptions contain the given keyword}}
set mged_help_data(aproposlib)	{{keyword}	{finds library commands whose descriptions contain the given keyword}}
set mged_help_data(aproposdevel)	{{keyword}	{finds commands used for development whose descriptions
    contain the given keyword}}
set mged_help_data(arb)		{{name rot fb}	{make arb8, rotation + fallback}}
set mged_help_data(arced)	{{a/b ...anim_command...}	{edit matrix or materials on combination's arc}}
set mged_help_data(area)	{{[endpoint_tolerance]}	{calculate presented area of view (use ev -wT)}}
set mged_help_data(arot)        $helplib_data(vo_arot)
set mged_help_data(attach)	{{[-d display_string] [-i init_script] [-n name]
    [-t is_toplevel] [-W width] [-N height]
    [-S square_size] win_type}	{attach to a display manager}}
set mged_help_data(attr)        $helplib_data(wdb_attr)
set mged_help_data(autoview)	{{}	{set view size and center so that all displayed solids are in view}}
set mged_help_data(B)		$helplib_data(dgo_blast)
set mged_help_data(bb)          {{[options] object1 [object2 object3 ...]}
    {manipulate bounding box (bbox) data for object(s).

Options:
	-c bbname       Create an rpp primitive of the bbox named 'bbname'.
	-d              Show bbox dimensions.
	-e              Show bbox coordinates.
	-q              Do not print header.
	-u              Use air.
	-v              Show volume.

If no options are entered the following will be shown:

	header
	dimensions
	volume}}
set mged_help_data(bev)		{{[-t] [-P#] new_obj obj1 op obj2 op obj3 op ...}	{boolean evaluation of objects via NMG's}}
set mged_help_data(bo)	{{{-i major_type minor_type | -o} dest source}
    {manipulate opaque objects.
	Must specify one of -i (for creating or adjusting objects (input))
	or -o for extracting objects (output).
	If the major type is "u" the minor type must be one of:
	"f" -> float
	"d" -> double
	"c" -> char (8 bit)
	"s" -> short (16 bit)
	"i" -> int (32 bit)
	"l" -> long (64 bit)
	"C" -> unsigned char (8 bit)
	"S" -> unsigned short (16 bit)
	"I" -> unsigned int (32 bit)
	"L" -> unsigned long (64 bit)
	For input, source is a file name and dest is an object name.
	For output source is an object name and dest is a file name.
	Only uniform array binary objects (major_type=u) are currently supported}}
set mged_help_data(bot_condense) {{new_bot_solid old_bot_solid} {remove unreferenced vertices in a BOT solid}}
set mged_help_data(bot_decimate)  $helplib_data(wdb_bot_decimate)
set mged_help_data(bot_face_fuse) {{new_bot_solid old_bot_solid} {eliminate duplicate faces in a BOT solid}}
set mged_help_data(bot_face_sort) $helplib_data(wdb_bot_face_sort)
set mged_help_data(bot_smooth)  $helplib_data(wdb_bot_smooth)
set mged_help_data(bot_vertex_fuse) {{new_bot_solid old_bot_solid} {fuse duplicate vertices in a BOT solid}}
set mged_help_data(build_region) {{[-a region_number] tag start end} {build a region from solids matching RE "tag.s*"}}
set mged_help_data(c)		$helplib_data(wdb_comb_std)
set mged_help_data(cat)		$helplib_data(wdb_cat)
set mged_help_data(cc)		{{name constraint_expression} {create a constraint based on the expression}}
set mged_help_data(center)	$helplib_data(vo_center)
set mged_help_data(check)	$helplib_data(dgo_check)
set mged_help_data(closedb)	{{}	{close any open database}}
set mged_help_data(clone)	{{[-abhimnprtv] <object>}	{clone allows user to quickly create copies of objects

Options:
	-a <n> <x> <y> <z>	- Specifies a translation split between n copies.
	-b <n> <x> <y> <z>	- Specifies a rotation around x, y, and z axes
				  split between n copies.
	-c		- Increment the second number in object names.
	-f		- Don't draw the new object.
	-g		- Don't resize the view after drawing new objects.
	-h		- Prints this message.
	-i <n>		- Specifies the increment between each copy.
	-m <axis> <pos>		- Specifies the axis and point to mirror the group.
	-n <# copies>		- Specifies the number of copies to make.
	-p <x> <y> <z>		- Specifies point to rotate around for -r.
				  (Default is 0 0 0).
	-r <x> <y> <z>		- Specifies the rotation (in degrees) around x, y, and z axes.
	-t <x> <y> <z>		- Specifies translation between each copy.
	-v		- Prints version info.}}
set mged_help_data(color)	$helplib_data(wdb_color)
set mged_help_data(comb)	$helplib_data(wdb_comb)
set mged_help_data(comb_color)	{{comb R G B}	{assign a color to a combination (like 'mater')}}
set mged_help_data(copyeval)	$helplib_data(wdb_copyeval)
set mged_help_data(copymat)	{{a/b c/d}	{copy matrix from one combination's arc to another's}}
set mged_help_data(cp)		$helplib_data(wdb_copy)
set mged_help_data(cpi)		{{from to}	{copy cylinder and position at end of original cylinder}}
set mged_help_data(d)		$helplib_data(dgo_erase)
set mged_help_data(db)		{{command}	{database manipulation routines}}
set mged_help_data(db_glob)	{{cmd_string}	{globs cmd_string against the MGED database
    resulting in an expanded command string}}
set mged_help_data(dbconcat)	$helplib_data(wdb_concat)
set mged_help_data(dbfind)	$helplib_data(wdb_find)
set mged_help_data(dbupgrade)	{{[-f|-help] [upgrade|cancel|help]}	{upgrade your database to the current format}}
set mged_help_data(dbversion)	{{}	{return the database version}}
set mged_help_data(debug)	{{args}	{control BRL-CAD library debugging settings}}
set mged_help_data(debugbu)	{{[hex_code]}	{show/set debugging bit vector for libbu}}
set mged_help_data(debugdir)	{{}	{Print in-memory directory, for debugging}}
set mged_help_data(debuglib)	{{[hex_code]}	{show/set debugging bit vector for librt}}
set mged_help_data(debugnmg)	{{[hex code]}	{show/set debugging bit vector for NMG}}
set mged_help_data(decompose)	{{nmg_solid [prefix]}	{decompose nmg_solid into maximally connected shells}}
set mged_help_data(delay)	{{sec usec}	{delay for the specified amount of time}}
set mged_help_data(dm)		{{[type|valid|set] [dmtype|var [val]]}	{print/check the display-manager type or list/set specific variables}}
set mged_help_data(draw)	$helplib_data(dgo_draw)
set mged_help_data(dsp)         {{obj [command]} {work with DSP primitives}}
set mged_help_data(dump)	$helplib_data(wdb_dump)
set mged_help_data(dup)		$helplib_data(wdb_dup)
set mged_help_data(E)		$helplib_data(dgo_E)
set mged_help_data(e)		$helplib_data(dgo_draw)
set mged_help_data(e_id)	{{regionID[-regionID] ...} {Edits object(s) with the specified region ID number or within the hyphenated range(s).

Example: e_id 1000 2000 3000-4000}}
set mged_help_data(eac)		{{air_code(s)}	{display all regions with given air code(s) (i.e., numbers >=0)}}
set mged_help_data(echo)	{{[text]}	{echo arguments back}}
set mged_help_data(edcodes)	{{[-n] object(s)}	{edit region ident codes.   only reports matches without renaming with the -n option.}}
set mged_help_data(edcomb)	{{combname [regionflag regionID airID los% materialID]}	{edit combination record info}}
set mged_help_data(edgedir)	{{[delta_x delta_y delta_z]|[rot fb]}	{define direction of ARB edge being moved}}
set mged_help_data(edmater)	{{comb(s)}	{edit combination materials}}
set mged_help_data(erase)	{{<objects>}	{remove objects from the screen}}
set mged_help_data(ev)		$helplib_data(dgo_ev)
set mged_help_data(eqn)		{{A B C}	{planar equation coefficients}}
set mged_help_data(exit)	{{}	{exit}}
set mged_help_data(extrude)	{{#### distance}	{extrude dist from face}}
set mged_help_data(expand)	$helplib_data(wdb_expand)
set mged_help_data(eye_pt)	$helplib_data(vo_eye)
set mged_help_data(facedef)	{{####}	{define new face for an arb}}
set mged_help_data(facetize)	{{[-mntT] [-P#] new_obj old_obj(s)}	{convert objects to faceted BOT objects (or NMG for -n option, with -m for marching cubes) at current tol}}
set mged_help_data(form)	$helplib_data(wdb_form)
set mged_help_data(fracture)	{{NMGsolid [prefix]}	{fracture an NMG solid into many NMG solids, each containing one face}}
set mged_help_data(g)		$helplib_data(wdb_group)
set mged_help_data(garbage_collect)	{{}	{eliminate unused space in database file}}
set mged_help_data(get)		$helplib_data(wdb_get)
set mged_help_data(graph)       {{}    {query and manipulate properties of the graph that corresponds to the currently opened .g database}}
set mged_help_data(gui)	{{[-config b|c|g] [-d display_string]
    [-gd graphics_display_string] [-dt graphics_type]
    [-id name] [-c -h -j -s]}	{create display/command window pair}}
set mged_help_data(help)	{{[command(s)]}	{give usage message for given command(s)}}
set mged_help_data(helplib)	{{[library_command(s)]}	{give usage message for given library command(s)}}
set mged_help_data(helpdevel)	{{[command(s)]}	{give usage message for given developer command(s)}}
set mged_help_data(hide)        $helplib_data(wdb_hide)
set mged_help_data(history)	{{[-delays]}	{list command history}}
set mged_help_data(i)		$helplib_data(wdb_instance)
set mged_help_data(idents)		{{file object(s)}	{make ascii summary of region idents}}
set mged_help_data(igraph)      {{}    {interactive graph for the objects of the currently opened .g database}}
set mged_help_data(ill)		{{name}	{illuminate object}}
set mged_help_data(in)		{{[-f] [-s] parameters...}	{keyboard entry of solids.  -f for no drawing, -s to enter solid edit}}
set mged_help_data(inside)	{{[outside_solid new_inside_solid thicknesses]}	{finds inside solid per specified thicknesses. Note that in an edit mode the edited solid is used for the outside_solid and should not appear on the command line }}
set mged_help_data(item)	{{region_name regionID [airID [materialID [los%]]]}	{set region ident codes}}
set mged_help_data(joint)	{{command [options]}	{articulation/animation commands}}
set mged_help_data(journal)	{{[-d] fileName}	{record all commands and timings to journal}}
set mged_help_data(keep)	$helplib_data(wdb_keep)
set mged_help_data(keypoint)	{{[x y z | reset]}	{set/see center of editing transformations}}
set mged_help_data(kill)	$helplib_data(wdb_kill)
set mged_help_data(killall)	$helplib_data(wdb_killall)
set mged_help_data(killtree)	$helplib_data(wdb_killtree)
set mged_help_data(knob)	{{[-e -i -m -v] [-o v/m/e/k] [zap|zero|(x|y|z|X|Y|Z|S|ax|ay|az|aX|aY|aZ|aS|xadc|yadc|ang1|ang2|distadc [val])]}	{emulate knob twist (e.g. knob x 1)}}
set mged_help_data(l)		$helplib_data(wdb_list)
set mged_help_data(labelvert)	{{object[s]}	{label vertices of wireframes of objects}}
set mged_help_data(labelface)	{{object[s]}	{label faces of wireframes of objects}}
set mged_help_data(listeval)	$helplib_data(wdb_listeval)
set mged_help_data(loadtk)	{{[DISPLAY]}	{initializes the Tk window library}}
set mged_help_data(loadview)	{{file}	{load view from raytrace script file}}
set mged_help_data(lod)		{{} {configure Level of Detail drawing}}
set mged_help_data(lookat)	$helplib_data(vo_lookat)
set mged_help_data(ls)		$helplib_data(wdb_ls)
set mged_help_data(lt)		$helplib_data(wdb_lt)
set mged_help_data(M)		{{1|0 xpos ypos}	{invoke a traditional MGED mouse event}}
set mged_help_data(make)	{{-t | name <arb8|arb7|arb6|arb5|arb4|arbn|ars|bot|ehy|ell|ell1|epa|eto|extrude|grip|half|nmg|part|pipe|rcc|rec|rhc|rpc|rpp|sketch|sph|tec|tgc|tor|trc>}	{create a primitive}}
set mged_help_data(make_pnts)	{{object_name path_and_filename file_format units_or_conv_factor default_diameter} {creates a point-cloud}}
set mged_help_data(match)	$helplib_data(wdb_match)
set mged_help_data(mater)	{{comb [material]}	{assign/delete material to combination}}
set mged_help_data(matpick)	{{# | a/b}	{select arc which has matrix to be edited, in O_PATH state}}
set mged_help_data(mirface)	{{#### of axis}	{mirror an ARB face}}
set mged_help_data(mirror)	{{[-p point] [-d dir] [-x] [-y] [-z] [-o offset] old new}	{mirror primitive or combination along the specified axis}}
set mged_help_data(mrot)	$helplib_data(vo_mrot)
set mged_help_data(mv)		$helplib_data(wdb_move)
set mged_help_data(mvall)	$helplib_data(wdb_moveall)
set mged_help_data(nirt)	$helplib_data(dgo_nirt)
set mged_help_data(nmg_collapse)	$helplib_data(wdb_nmg_collapse)
set mged_help_data(nmg_fix_normals)	{{NMG object} {Attempt to fix the normals of an NMG object.}}
set mged_help_data(nmg_simplify)	$helplib_data(wdb_nmg_simplify)
set mged_help_data(oed)		{{path_lhs path_rhs}	{go from view to object_edit of path_lhs/path_rhs}}
set mged_help_data(opendb)	{{[-f] [database.g] [y|n]}	{close any currently open .g file and open the specified database.g file, or return the name of the currently open geometry database.  A trailing 'y' or 'n' indicates whether to create a new database if one does not already exist.  A -f option specifies that binary-incompatible v4 files should have their endianness flipped.}}
set mged_help_data(orientation)	$helplib_data(vo_orient)
set mged_help_data(orot)	{{[-i] xdeg ydeg zdeg}	{rotate object being edited}}
set mged_help_data(oscale)	{{factor}	{scale object by factor}}
set mged_help_data(overlay)	$helplib_data(dgo_overlay)
set mged_help_data(p)		{{dx [dy dz]}	{set parameters}}
set mged_help_data(pathlist)	$helplib_data(wdb_pathlist)
set mged_help_data(paths)	$helplib_data(wdb_paths)
set mged_help_data(permute)	{{tuple}	{permute vertices of an ARB}}
set mged_help_data(plot)	{{[-float] [-zclip] [-2d] [-grid] [out_file] [|filter]}	{make UNIX-plot of view}}
set mged_help_data(png)		{{[-c r/g/b] [-s size] file}	{save graphics window to PNG image file}}
set mged_help_data(prcolor)	$helplib_data(wdb_prcolor)
set mged_help_data(prefix)	{{new_prefix object(s)}	{prefix each occurrence of object name(s)}}
set mged_help_data(press)	{{button_label}	{emulate button press}}
set mged_help_data(prj_add)	{{ [-t] [-b] [-n] shaderfile [image_file] [image_width] [image_height]} {Appends image filename + current view parameters to shaderfile}}
set mged_help_data(preview)	{{[-v] [-o imagename.ext] [-d sec_delay] [-D start frame] [-K last frame] rt_script_file}	{preview new style RT animation script}}
set mged_help_data(postscript)	{{[-f font] [-t title] [-c creator] [-s size in inches] [-l linewidth] file}	{creates a postscript file of the current view}}
set mged_help_data(pull)       $helplib_data(wdb_pull)
set mged_help_data(push)	$helplib_data(wdb_push)
set mged_help_data(put)		$helplib_data(wdb_put)
set mged_help_data(putmat)	{{a/b {I | m0 m1 ... m16}}	{replace matrix on combination's arc}}
set mged_help_data(q)		{{}	{quit}}
set mged_help_data(qray)	$helplib_data(dgo_qray)
set mged_help_data(query_ray)	$helplib_data(dgo_nirt)
set mged_help_data(quit)	{{}	{quit}}
set mged_help_data(qorot)	{{x y z dx dy dz theta}	{rotate object being edited about specified vector}}
set mged_help_data(qvrot)	{{dx dy dz theta}	{set view from direction vector and twist angle}}
set mged_help_data(r)		$helplib_data(wdb_region)
set mged_help_data(rcc-blend)	{{rccname newname thickness [b|t]}	{create a blend at an end of an rcc}}
set mged_help_data(rcc-cap)     {{rccname newname [height] [b|t]}      {create a cap (ell) at an end of an rcc}}
set mged_help_data(rcc-tgc)     {{rccname newname x y z [b|t]}     {create a tgc with the specified apex at an end of an rcc}}
set mged_help_data(rcc-tor)     {{rccname newname}     {create a tor from an rcc}}
set mged_help_data(rcodes)	{{filename}	{read region ident codes from filename}}
set mged_help_data(red)		{{object}	{edit a group or region using a text editor}}
set mged_help_data(refresh)	{{}	{send new control list}}
set mged_help_data(regdebug)	{{[number]}	{toggle display manager debugging or set debug level}}
set mged_help_data(regdef)	{{regionID [airID [los% [materialID]]]}	{change next region default codes}}
set mged_help_data(regions)	{{file object(s)}	{make ascii summary of regions}}
set mged_help_data(reid)	{{[-n num] comb regionID}	{sequentially assign IDs to all regions under a specified combination starting from regionID in increments of 'num'}}
set mged_help_data(release)	{{[name]}	{release display processor}}
set mged_help_data(relos)	{{comb los%}	{assign same line-of-sight thickness percentage to all regions under a given combination}}
set mged_help_data(remat)	{{comb materialID}	{assign the same material ID number to all regions under a given combination}}
set mged_help_data(reset)	{{}	{Reset view such that all solids can be seen}}
set mged_help_data(rfarb)	{{}	{makes arb given point, 2 coord of 3 pts, rot, fb, thickness}}
set mged_help_data(rm)		$helplib_data(wdb_remove)
set mged_help_data(rmater)	{{filename}	{read combination materials from filename}}
set mged_help_data(rmats)	{{file}	{load view(s) from 'savekey' file}}
set mged_help_data(rot)		$helplib_data(vo_rot)
set mged_help_data(rotobj)	{{[-i] xdeg ydeg zdeg}	{rotate object being edited}}
set mged_help_data(rpp-arch)    {{rppname newname face}     {create an arch at a face of an rpp}}
set mged_help_data(rpp-cap)     {{rppname newname face height [0|1]}	{create a cap (arb6) at a face of an rpp}}
set mged_help_data(rrt)		{{prog [options]}	{invoke prog with view}}
set mged_help_data(rt)		$helplib_data(dgo_rt)
set mged_help_data(rt_gettrees)	$helplib_data(wdb_rt_gettrees)
set mged_help_data(rtabort)	$helplib_data(dgo_rtabort)
set mged_help_data(rtcheck)	$helplib_data(dgo_rtcheck)
set mged_help_data(rtarea)	$helplib_data(dgo_rtarea)
set mged_help_data(rtedge)	$helplib_data(dgo_rtedge)
set mged_help_data(rtweight)	$helplib_data(dgo_rtweight)
set mged_help_data(savekey)	{{file [time]}	{save keyframe in file}}
set mged_help_data(saveview)	{{[-e command] [-l logfile] [-o outputfile] [-i inputfile] file [args]}	{
Save the current view to specified 'file' as an rt render script
    Options:
      -e command     specify command script will run (default: rt)
      -l logfile     specify output log file (default: 'file'.log)
      -o outputfile  specify output data file (default: 'file'.pix)
      -i inputfile   specify input data file (default is opendb filepath)
}}
set mged_help_data(sca)		$helplib_data(vo_sca)
set mged_help_data(screengrab)	{{imagename.ext}	{output active graphics window to image file typed by extension(i.e. mged> screengrab imagename.png)\n");}}
set mged_help_data(search)	$helplib_data(wdb_search)
set mged_help_data(sed)		{{<path>}	{solid-edit named solid}}
set mged_help_data(setview)	$helplib_data(vo_setview)
set mged_help_data(shader)	{{comb {shader_name {keyword value keyword value ...}}}	{assign shader using Tcl list format}}
set mged_help_data(shaded_mode)	{{[-a |-auto] [0|1|2]}	{get/set shaded mode}}
set mged_help_data(shells)	$helplib_data(wdb_shells)
set mged_help_data(showmats)	$helplib_data(wdb_showmats)
set mged_help_data(size)	$helplib_data(vo_size)
set mged_help_data(solids)	{{file object(s)}	{make ascii summary of solid parameters}}
set mged_help_data(sph-part)	{{sph1name sph2name newname}	{create a part from two sph's}}
set mged_help_data(status)	{{[state|Viewscale|base2local|local2base|
	toViewcenter|Viewrot|model2view|view2model|
	model2objview|objview2model|help]}	{get view status}}
set mged_help_data(summary)	$helplib_data(wdb_summary)
set mged_help_data(sv)		$helplib_data(vo_slew)
set mged_help_data(sync)	{{}	{forces UNIX sync}}
set mged_help_data(t)		{{[-a -c -r -s]}	{table of contents}}
set mged_help_data(ted)		{{}	{text edit a solid's parameters}}
set mged_help_data(title)	$helplib_data(wdb_title)
set mged_help_data(tol)		$helplib_data(wdb_tol)
set mged_help_data(tops)	$helplib_data(wdb_tops)
set mged_help_data(tor-rcc)     {{torname newname}     {create an rcc from a tor}}
set mged_help_data(tra)		$helplib_data(vo_tra)
set mged_help_data(track)	{{<parameters>}	{adds tracks to database}}
set mged_help_data(translate)	{{x y z}	{trans object to x,y, z}}
set mged_help_data(tree)	{{[-c] [-i n] [-d n] [-o outfile] object(s)}	{print out a tree of all members of an object, or all members to depth n if -d option is supplied}}
set mged_help_data(unhide)	$helplib_data(wdb_unhide)
set mged_help_data(units)	$helplib_data(wdb_units)
set mged_help_data(vars)	{{[var=opt]}	{get/set mged variables}}
set mged_help_data(vdraw)	{{write|insert|delete|read|length|send [args]}	{draw custom data into the wireframe view}}
set mged_help_data(view)	{{center|size|eye|ypr|quat|aet}	{get/set view parameters (local units).}}
set mged_help_data(vnirt)	{{x y}  	{trace a single ray from x y}}
set mged_help_data(voxelize)	{{[-s "dx dy dz"] [-d n] [-t f] new_obj old_obj [old_obj2 old_obj3 ...]} {convert object to its constituent voxels, i.e.the RPPs which approximate it.

Options:
	-d n		    - Specifies the level of detail(precision in approximation of volume) required. An input of n means that n * n rays will be shot through each row, and an approximation of volume filled is reached averaging these n * n values

	-s "dx dy dz"       - Specifies the voxel size in each direction.

	-t f		    - Specifies the threshold volume to decide if voxel is to be included in the voxelized output.
  }}
set mged_help_data(vquery_ray)	{{x y}  	{trace a single ray from x y}}
set mged_help_data(vrot)	$helplib_data(vo_vrot)
set mged_help_data(wcodes)	{{filename object(s)}	{write region ident codes to filename}}
set mged_help_data(whatid)	$helplib_data(wdb_whatid)
set mged_help_data(whichair)	$helplib_data(wdb_whichair)
set mged_help_data(whichid)	$helplib_data(wdb_whichid)
set mged_help_data(which_shader)	{{Shader(s)}	{lists all combinations using the given shaders}}
set mged_help_data(who)		$helplib_data(dgo_who)
set mged_help_data(wmater)	{{filename comb(s)}	{write combination materials to filename}}
set mged_help_data(x)		$helplib_data(dgo_solid_report)
set mged_help_data(xpush)	$helplib_data(wdb_xpush)
set mged_help_data(Z)		$helplib_data(dgo_zap)
set mged_help_data(zoom)	$helplib_data(vo_zoom)

proc help {args} {
    global mged_help_data

    if {[llength $args] > 0} {
	return [help_comm mged_help_data $args]
    } else {
	return [help_comm mged_help_data]
    }
}

proc ? {} {
    global mged_help_data

    return [?_comm mged_help_data 20 4]
}

proc apropos key {
    global mged_help_data

    return [apropos_comm mged_help_data $key]
}

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