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| | proc randomenclosure {cx cy p1 p2 p3 p4} { |
| | set r 0 |
| | set pi 3.145926 |
| | set pi2 [expr {$pi*2}] |
| | set x0 [expr {$cx + rand()*$p3 + $p4}] |
| | set ans "\[\[$x0,$cy\]" |
| | while {1} { |
| | set r [expr {$r+$p1+$p2*rand()}] |
| | if {$r>=$pi2} break |
| | set m [expr {rand()*$p3 + $p4}] |
| | set x [expr {$cx+$m*cos($r)}] |
| | set y [expr {$cy+$m*sin($r)}] |
| | append ans ",\[$x,$y\]" |
| | } |
| | append ans ",\[$x0,$cy\]\]" |
| | return $ans |
| | } |
| | proc randomshape1 {} { |
| | set cx [expr {100+int(rand()*800)}] |
| | set cy [expr {100+int(rand()*600)}] |
| | set p1 [expr {rand()*0.1}] |
| | set p2 [expr {rand()*0.5+0.5}] |
| | set p3 [expr {rand()*100+25}] |
| | set p4 [expr {rand()*25}] |
| | return [randomenclosure $cx $cy $p1 $p2 $p3 $p4] |
| | } |
| | proc randomshape1_sm {} { |
| | set cx [expr {100+int(rand()*800)}] |
| | set cy [expr {100+int(rand()*600)}] |
| | set p1 [expr {rand()*0.1}] |
| | set p2 [expr {rand()*0.5+0.5}] |
| | set p3 [expr {rand()*10+25}] |
| | set p4 [expr {rand()*5}] |
| | return [randomenclosure $cx $cy $p1 $p2 $p3 $p4] |
| | } |
| | proc randomshape2 {} { |
| | set cx [expr {400+int(rand()*200)}] |
| | set cy [expr {300+int(rand()*200)}] |
| | set p1 [expr {rand()*0.05}] |
| | set p2 [expr {rand()*0.5+0.5}] |
| | set p3 [expr {rand()*50+200}] |
| | set p4 [expr {rand()*50+100}] |
| | return [randomenclosure $cx $cy $p1 $p2 $p3 $p4] |
| | } |
| | proc randomcolor {} { |
| | set n [expr {int(rand()*5)}] |
| | return [lindex {red orange green blue purple} $n] |
| | } |
| |
|
| | puts {.print '<html>'} |
| | puts {.print '<svg width="1000" height="800" style="border:1px solid black">'} |
| | puts {CREATE TABLE t1(poly,clr);} |
| | puts {CREATE TABLE t2(poly,clr);} |
| | for {set i 0} {$i<30} {incr i} { |
| | puts "INSERT INTO t1(rowid,poly,clr)" |
| | puts " VALUES($i,'[randomshape1]','[randomcolor]');" |
| | } |
| | for {set i 30} {$i<80} {incr i} { |
| | puts "INSERT INTO t1(rowid,poly,clr)" |
| | puts " VALUES($i,'[randomshape1_sm]','[randomcolor]');" |
| | } |
| | for {set i 100} {$i<105} {incr i} { |
| | puts "INSERT INTO t2(rowid,poly,clr)" |
| | puts " VALUES($i,'[randomshape2]','[randomcolor]');" |
| | } |
| |
|
| | puts {DELETE FROM t1 WHERE geopoly_json(poly) IS NULL;} |
| | puts {SELECT geopoly_svg(poly, |
| | printf('style="fill:none;stroke:%s;stroke-width:1;"',clr)) |
| | FROM t1;} |
| | puts {SELECT geopoly_svg(poly, |
| | printf('style="fill:none;stroke:%s;stroke-width:2;"',clr)) |
| | FROM t2;} |
| | puts {.print '<svg>'} |
| |
|
