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Overview
Comment: | fixed G2/G3 (arcs) to gcode reader |
---|---|
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
ec0df6213ab5f9c02c27450562dcd5d1 |
User & Date: | rmelton 2013-10-24 17:08:25.133 |
Context
2013-10-24
| ||
23:03 | fixed G2/G3 (arcs) last commit had deg/rad mistake check-in: 947f22cec0 user: rmelton tags: trunk | |
17:08 | fixed G2/G3 (arcs) to gcode reader check-in: ec0df6213a user: rmelton tags: trunk | |
2013-10-23
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19:16 | fixed exercise to work at z0 check-in: 80ef4bd8f0 user: rmelton tags: trunk | |
Changes
Changes to lib/gcode/gcode_0.1.tcl.
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75 76 77 78 79 80 81 82 83 84 85 86 87 88 | $type\ $color\ [list $cfg(X) $cfg(Y) $cfg(Z)]\ [list $new(X) $new(Y) $new(Z)]\ ] lassign [list $new(X) $new(Y) $new(Z) $new(E)] cfg(X) cfg(Y) cfg(Z) cfg(E) } proc G28 {args} {;## move to origin variable cfg if {($cfg(X) != 0) || ($cfg(Y) != 0) || ($cfg(Z) != 0)} { ## move to 0 } lassign {0 0 0} cfg(X) cfg(Y) cfg(Z) } | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 | $type\ $color\ [list $cfg(X) $cfg(Y) $cfg(Z)]\ [list $new(X) $new(Y) $new(Z)]\ ] lassign [list $new(X) $new(Y) $new(Z) $new(E)] cfg(X) cfg(Y) cfg(Z) cfg(E) } proc G2 {args} { ## clockwise arc (ref http://linuxcnc.org/docs/html/gcode/gcode.html#sec:G2-G3-Arc) ## note this code is only valid for XY arcs variable cfg variable pathList set new(X) $cfg(X) set new(Y) $cfg(Y) set new(Z) $cfg(Z) set new(E) $cfg(E) set offsetI 0 ;# x offset to center set offsetJ 0 ;# y offset to center while {[llength $args] > 0} { set args [lassign $args cmd] switch -regexp -matchvar matchvar -- $cmd { {X(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set new(X) [expr {$cfg(scale)*[lindex $matchvar 1]+($cfg(relP) ? $cfg(X) : 0)}] #puts stderr "X $matchvar" } {Y(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set new(Y) [expr {$cfg(scale)*[lindex $matchvar 1]+($cfg(relP) ? $cfg(Y) : 0)}] #puts stderr "Y $matchvar" } {F(-?[[:digit:]]+(\.[[:digit:]]+)?)} { #puts stderr "F $matchvar" } {E(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set new(E) [expr {$cfg(scale)*[lindex $matchvar 1]+($cfg(relE) ? $cfg(E) : 0)}] #puts stderr "E $matchvar" } {I(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set offsetI [expr {$cfg(scale)*[lindex $matchvar 1]}] } {J(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set offsetJ [expr {$cfg(scale)*[lindex $matchvar 1]}] } default {error "G2 bad cmd=$cmd"} } } if {$new(E) > $cfg(E)} { set type [list fill Layer_$cfg(layerNum)] set color purple if {$new(Z) > $cfg(layerZ)} { incr cfg(layerNum) set cfg(layerZ) $new(Z) } set width 1 } else { set type [list move Layer_$cfg(layerNum)] set color yellow set width 1 } set Xc [expr {$cfg(X)+$offsetI}] set Yc [expr {$cfg(Y)+$offsetJ}] #compute "start" angle set theta0 [expr {atan((0-$offsetJ)/(0-$offsetI))}] #compute "stop" angle set theta1 [expr {atan(($new(Y)-$Yc)/($new(X)-$Xc))}] set stepAngle -5 lassign [list $cfg(X) $cfg(Y)] x0 y0 set Pi 3.14159265 for {set deg [expr {$theta0+$stepAngle}]} {$deg >= $theta1} {incr deg $stepAngle} { set rads [expr {$deg/360.0*2*$Pi}] set x1 [expr {cos($rads)*$radius+$Xc}] set y1 [expr {sin($rads)*$radius+$Yc}] lappend pathList [list \ $width\ $type\ $color\ [list $x0 $y0 $cfg(Z)]\ [list $x1 $y1 $cfg(Z)]\ ] lassign [list $x1 $y1] x0 y0 } lassign [list $new(X) $new(Y) $new(E)] cfg(X) cfg(Y) cfg(E) } proc G3 {args} { ## counter-clockwise arc (ref http://linuxcnc.org/docs/html/gcode/gcode.html#sec:G2-G3-Arc) variable cfg variable pathList set new(X) $cfg(X) set new(Y) $cfg(Y) set new(Z) $cfg(Z) set new(E) $cfg(E) set offsetI 0 ;# x offset to center set offsetJ 0 ;# y offset to center while {[llength $args] > 0} { set args [lassign $args cmd] switch -regexp -matchvar matchvar -- $cmd { {X(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set new(X) [expr {$cfg(scale)*[lindex $matchvar 1]+($cfg(relP) ? $cfg(X) : 0)}] #puts stderr "X $matchvar" } {Y(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set new(Y) [expr {$cfg(scale)*[lindex $matchvar 1]+($cfg(relP) ? $cfg(Y) : 0)}] #puts stderr "Y $matchvar" } {F(-?[[:digit:]]+(\.[[:digit:]]+)?)} { #puts stderr "F $matchvar" } {E(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set new(E) [expr {$cfg(scale)*[lindex $matchvar 1]+($cfg(relE) ? $cfg(E) : 0)}] #puts stderr "E $matchvar" } {I(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set offsetI [expr {$cfg(scale)*[lindex $matchvar 1]}] } {J(-?[[:digit:]]+(\.[[:digit:]]+)?)} { set offsetJ [expr {$cfg(scale)*[lindex $matchvar 1]}] } default {error "G3 bad cmd=$cmd"} } } if {$new(E) > $cfg(E)} { set type [list fill Layer_$cfg(layerNum)] set color purple if {$new(Z) > $cfg(layerZ)} { incr cfg(layerNum) set cfg(layerZ) $new(Z) } set width 1 } else { set type [list move Layer_$cfg(layerNum)] set color yellow set width 1 } set Xc [expr {$cfg(X)+$offsetI}] set Yc [expr {$cfg(Y)+$offsetJ}] #compute "start" angle set theta0 [expr {atan((0-$offsetJ)/(0-$offsetI))}] #compute "stop" angle set theta1 [expr {atan(($new(Y)-$Yc)/($new(X)-$Xc))}] set stepAngle 5 lassign [list $cfg(X) $cfg(Y)] x0 y0 set Pi 3.14159265 for {set deg [expr {$theta0+$stepAngle}]} {$deg <= $theta1} {incr deg $stepAngle} { set rads [expr {$deg/360.0*2*$Pi}] set x1 [expr {cos($rads)*$radius+$Xc}] set y1 [expr {sin($rads)*$radius+$Yc}] lappend pathList [list \ $width\ $type\ $color\ [list $x0 $y0 $cfg(Z)]\ [list $x1 $y1 $cfg(Z)]\ ] lassign [list $x1 $y1] x0 y0 } lassign [list $new(X) $new(Y) $new(E)] cfg(X) cfg(Y) cfg(E) } proc G28 {args} {;## move to origin variable cfg if {($cfg(X) != 0) || ($cfg(Y) != 0) || ($cfg(Z) != 0)} { ## move to 0 } lassign {0 0 0} cfg(X) cfg(Y) cfg(Z) } |
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