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function [cw]=show_graph(g,smode,scale,winsize)
// Copyright INRIA
[lhs,rhs]=argn(0)
select rhs
case 1 then
smode='rep'
scale=-1
winsize=[1000 1000]
case 2 then
if type(smode)==10 then scale=-1
else scale=smode, smode='rep', end
winsize=[1000 1000]
case 3 then
if smode=='new' then
if prod(size(scale))<>1 then
winsize=scale
scale=-1
else
winsize=[1000 1000]
end
end
case 4 then
if smode<>'new' then error(39), end
else
error(39)
end
// g
check_graph(g)
// making defaults
n=g('node_number')
ma=prod(size(g('tail')))
// node_name
if size(g('node_name'))==0 then
g('node_name')=string(1:n)
end
// node_type
if size(g('node_type'))==0 then
g('node_type')=0*(1:n)
end
// node_x
if size(g('node_x'))==0 then
g('node_x')=0*(1:n)
end
// node_y
if size(g('node_y'))==0 then
g('node_y')=0*(1:n)
end
// node_color
if size(g('node_color'))==0 then
g('node_color')=0*(1:n)
end
// node_diam
if size(g('node_diam'))==0 then
g('node_diam')=0*(1:n)
end
// node_border
if size(g('node_border'))==0 then
g('node_border')=0*(1:n)
end
// node_font_size
if size(g('node_font_size'))==0 then
g('node_font_size')=0*(1:n)
end
// node_demand
if size(g('node_demand'))==0 then
g('node_demand')=0*(1:n)
end
// edge_name
if size(g('edge_name'))==0 then
g('edge_name')=string(1:ma)
end
// edge_color
if size(g('edge_color'))==0 then
g('edge_color')=0*(1:ma)
end
// edge_width
if size(g('edge_width'))==0 then
g('edge_width')=0*(1:ma)
end
// edge_hi_width
if size(g('edge_hi_width'))==0 then
g('edge_hi_width')=0*(1:ma)
end
// edge_font_size
if size(g('edge_font_size'))==0 then
g('edge_font_size')=0*(1:ma)
end
// edge_length
if size(g('edge_length'))==0 then
g('edge_length')=0*(1:ma)
end
// edge_cost
if size(g('edge_cost'))==0 then
g('edge_cost')=0*(1:ma)
end
// edge_min_cap
if size(g('edge_min_cap'))==0 then
g('edge_min_cap')=0*(1:ma)
end
// edge_max_cap
if size(g('edge_max_cap'))==0 then
g('edge_max_cap')=0*(1:ma)
end
// edge_q_weight
if size(g('edge_q_weight'))==0 then
g('edge_q_weight')=0*(1:ma)
end
// edge_q_orig
if size(g('edge_q_orig'))==0 then
g('edge_q_orig')=0*(1:ma)
end
// edge_weight
if size(g('edge_weight'))==0 then
g('edge_weight')=0*(1:ma)
end
// default_node_diam
if size(g('default_node_diam'))==0 then
g('default_node_diam')=0
end
// default_node_border
if size(g('default_node_border'))==0 then
g('default_node_border')=0
end
// default_edge_width
if size(g('default_edge_width'))==0 then
g('default_edge_width')=0
end
// default_edge_hi_width
if size(g('default_edge_hi_width'))==0 then
g('default_edge_hi_width')=0
end
// default_font_size
if size(g('default_font_size'))==0 then
g('default_font_size')=0
end
// node_label
is_nlabel=1
if size(g('node_label'))==0 then
g('node_label')=string(zeros(1,n))
is_nlabel=0
end
// edge_label
is_elabel=1
if size(g('edge_label'))==0 then
g('edge_label')=string(zeros(1,ma))
is_elabel=0
end
// scale
if prod(size(scale))<>1 then
error('Third argument must be a scalar')
end
if scale<=0 then scale=-1, end
// smode
if type(smode)<>10|prod(size(smode))<>1 then
error('Second argument must be a string')
end
select smode
case 'rep' then
irep=1
case 'new' then
// if smode is 'new' create a new window without question
irep=0
m6inimet(' ',winsize(1),winsize(2))
else
error('Unknown argument ""'+smode+'""')
end
// Is there a current metanet window?
r=netwindows(); cw=r(2)
if cw==0 then
cw=m6inimet(' ',winsize(1),winsize(2))
end
m6showg(g,g('name'),ma,cw,irep,scale,is_nlabel,is_elabel)
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