def plotToEggBot( self ):
'''Perform the actual plotting, if selected in the interface:'''
#parse the svg data as a series of line segments and send each segment to be plotted
if self.serialPort is None:
return
if self.options.startCentered and ( not self.getDocProps() ):
# Cannot handle the document's dimensions!!!
inkex.errormsg( gettext.gettext(
'This document does not have valid dimensions.\r\r' +
'Consider starting with the EggBot template, or ' +
'setting the document size to 3200 px (wide) x 800 px (tall).\r\r' +
'Document dimensions may be set in Inkscape with ' +
'File > Document Properties.\r\rThe document dimensions must be unitless or have ' +
'units of pixels (px) or percentages (%). ' ) )
return
# Viewbox handling
# Also ignores the preserveAspectRatio attribute
viewbox = self.svg.get( 'viewBox' )
if viewbox:
vinfo = viewbox.strip().replace( ',', ' ' ).split( ' ' )
if ( float(vinfo[2]) != 0 ) and ( float(vinfo[3]) != 0 ):
sx = self.svgWidth / float( vinfo[2] )
sy = self.svgHeight / float( vinfo[3] )
self.svgTransform = parseTransform( 'scale(%f,%f) translate(%f,%f)' % (sx, sy, -float( vinfo[0] ), -float( vinfo[1] ) ) )
self.ServoSetup()
ebb_motion.sendEnableMotors(self.serialPort, 1) # 16X microstepping
# Ensure that the engraver is turned off for the time being
# It will be turned back on when the first non-virtual pen-down occurs
if self.options.engraving:
self.engraverOff()
try:
# wrap everything in a try so we can for sure close the serial port
#self.recursivelyTraverseSvg(self.document.getroot())
self.penDownActivatesEngraver = True
self.recursivelyTraverseSvg( self.svg, self.svgTransform )
self.penUp() #Always end with pen-up
# Logically, we want to turn the engraver off here as well,
# but we put that in our finally clause instead
# self.engraverOff()
# return to home, if returnToHome = True
if ( ( not self.bStopped ) and self.options.returnToHome and ( self.ptFirst ) ):
self.fX = self.ptFirst[0]
self.fY = self.ptFirst[1]
#self.penUp()
self.nodeCount = self.nodeTarget # enablesfpx return-to-home only option
self.plotLineAndTime()
#inkex.errormsg('Final node count: ' + str(self.svgNodeCount)) #Node Count - Debug option
if ( not self.bStopped ):
self.svgLayer = 0
self.svgNodeCount = 0
self.svgLastPath = 0
self.svgLastPathNC = 0
self.svgTotalDeltaX = 0
self.svgTotalDeltaY = 0
finally:
# We may have had an exception and lost the serial port...
self.penDownActivatesEngraver = False
if ( not ( self.serialPort is None ) ) and ( self.options.engraving ):
self.engraverOff()
def plotToEggBot( self ):
'''Perform the actual plotting, if selected in the interface:'''
#parse the svg data as a series of line segments and send each segment to be plotted
if self.serialPort is None:
return
if self.options.startCentered and ( not self.getDocProps() ):
# Cannot handle the document's dimensions!!!
inkex.errormsg( gettext.gettext(
'This document does not have valid dimensions.\r\r' +
'Consider starting with the EggBot template, or ' +
'setting the document size to 3200 px (wide) x 800 px (tall).\r\r' +
'Document dimensions may be set in Inkscape with ' +
'File > Document Properties.\r\rThe document dimensions must be unitless or have ' +
'units of pixels (px) or percentages (%). ' ) )
return
# Viewbox handling
# Also ignores the preserveAspectRatio attribute
viewbox = self.svg.get( 'viewBox' )
if viewbox:
vinfo = viewbox.strip().replace( ',', ' ' ).split( ' ' )
if ( float(vinfo[2]) != 0 ) and ( float(vinfo[3]) != 0 ):
sx = self.svgWidth / float( vinfo[2] )
sy = self.svgHeight / float( vinfo[3] )
self.svgTransform = parseTransform( 'scale(%f,%f) translate(%f,%f)' % (sx, sy, -float( vinfo[0] ), -float( vinfo[1] ) ) )
self.ServoSetup()
ebb_motion.sendEnableMotors(self.serialPort, 1) # 16X microstepping
# Ensure that the engraver is turned off for the time being
# It will be turned back on when the first non-virtual pen-down occurs
if self.options.engraving:
self.engraverOff()
try:
# wrap everything in a try so we can for sure close the serial port
#self.recursivelyTraverseSvg(self.document.getroot())
self.penDownActivatesEngraver = True
self.recursivelyTraverseSvg( self.svg, self.svgTransform )
self.penUp() #Always end with pen-up
# Logically, we want to turn the engraver off here as well,
# but we put that in our finally clause instead
# self.engraverOff()
# return to home, if returnToHome = True
if ( ( not self.bStopped ) and self.options.returnToHome and ( self.ptFirst ) ):
self.fX = self.ptFirst[0]
self.fY = self.ptFirst[1]
#self.penUp()
self.nodeCount = self.nodeTarget # enablesfpx return-to-home only option
self.plotLineAndTime()
#inkex.errormsg('Final node count: ' + str(self.svgNodeCount)) #Node Count - Debug option
if ( not self.bStopped ):
self.svgLayer = 0
self.svgNodeCount = 0
self.svgLastPath = 0
self.svgLastPathNC = 0
self.svgTotalDeltaX = 0
self.svgTotalDeltaY = 0
finally:
# We may have had an exception and lost the serial port...
self.penDownActivatesEngraver = False
if ( not ( self.serialPort is None ) ) and ( self.options.engraving ):
self.engraverOff()
def manualCommand( self ): """Execute commands from the "manual" tab""" if self.options.manualType == "none": return if self.serialPort is None: return if self.options.manualType == "raise-pen": self.ServoSetupWrapper() self.penUp() elif self.options.manualType == "lower-pen": self.ServoSetupWrapper() self.penDown() elif self.options.manualType == "enable-motors": ebb_motion.sendEnableMotors(self.serialPort, 1) # 16X microstepping elif self.options.manualType == "disable-motors": self.sendDisableMotors() elif self.options.manualType == "version-check": strVersion = ebb_serial.query( self.serialPort, 'v\r' ) inkex.errormsg( 'I asked the EBB for its version info, and it replied:\n ' + strVersion ) elif self.options.manualType == "enable-engraver": if ( not self.options.engraving ): inkex.errormsg( gettext.gettext( "The engraver option is disabled. " + \ " Please enable it first from the \"Options\" tab." ) ) else: self.engraverOn() elif self.options.manualType == 'disable-engraver': self.engraverOffManual() #Force engraver off, even if it is not enabled. else: # self.options.manualType is "walk-egg-motor" or "walk-pen-motor": if self.options.manualType == "walk-egg-motor": nDeltaX = self.options.WalkDistance nDeltaY = 0 elif self.options.manualType == "walk-pen-motor": nDeltaY = self.options.WalkDistance nDeltaX = 0 else: return ebb_motion.sendEnableMotors(self.serialPort, 1) # 16X microstepping #Query pen position: 1 up, 0 down (followed by OK) strVersion = ebb_serial.query( self.serialPort, 'QP\r' ) if strVersion[0] == '0': self.fSpeed = self.options.penDownSpeed if strVersion[0] == '1': self.fSpeed = self.options.penUpSpeed if ( self.options.revPenMotor ): nDeltaY = -1 * nDeltaY if ( self.options.revEggMotor ): nDeltaX = -1 * nDeltaX nTime = 10000.00 / self.fSpeed * plot_utils.distance( nDeltaX, nDeltaY ) nTime = int( math.ceil(nTime / 10.0)) strOutput = ','.join( ['SM', str( nTime ), str( nDeltaY ), str( nDeltaX )] ) + '\r' #inkex.errormsg( 'strOutput: ' + strOutput ) ebb_serial.command( self.serialPort, strOutput )
def manualCommand( self ): """Execute commands from the "manual" tab""" if self.options.manualType == "none": return if self.serialPort is None: return if self.options.manualType == "raise-pen": self.ServoSetupWrapper() self.penUp() elif self.options.manualType == "lower-pen": self.ServoSetupWrapper() self.penDown() elif self.options.manualType == "enable-motors": ebb_motion.sendEnableMotors(self.serialPort, 1) # 16X microstepping elif self.options.manualType == "disable-motors": self.sendDisableMotors() elif self.options.manualType == "version-check": strVersion = ebb_serial.query( self.serialPort, 'v\r' ) inkex.errormsg( 'I asked the EBB for its version info, and it replied:\n ' + strVersion ) elif self.options.manualType == "enable-engraver": if ( not self.options.engraving ): inkex.errormsg( gettext.gettext( "The engraver option is disabled. " + \ " Please enable it first from the \"Options\" tab." ) ) else: self.engraverOn() elif self.options.manualType == 'disable-engraver': self.engraverOffManual() #Force engraver off, even if it is not enabled. else: # self.options.manualType is "walk-egg-motor" or "walk-pen-motor": if self.options.manualType == "walk-egg-motor": nDeltaX = self.options.WalkDistance nDeltaY = 0 elif self.options.manualType == "walk-pen-motor": nDeltaY = self.options.WalkDistance nDeltaX = 0 else: return ebb_motion.sendEnableMotors(self.serialPort, 1) # 16X microstepping #Query pen position: 1 up, 0 down (followed by OK) strVersion = ebb_serial.query( self.serialPort, 'QP\r' ) if strVersion[0] == '0': self.fSpeed = self.options.penDownSpeed if strVersion[0] == '1': self.fSpeed = self.options.penUpSpeed if ( self.options.revPenMotor ): nDeltaY = -1 * nDeltaY if ( self.options.revEggMotor ): nDeltaX = -1 * nDeltaX nTime = 10000.00 / self.fSpeed * plot_utils.distance( nDeltaX, nDeltaY ) nTime = int( math.ceil(nTime / 10.0)) strOutput = ','.join( ['SM', str( nTime ), str( nDeltaY ), str( nDeltaX )] ) + '\r' #inkex.errormsg( 'strOutput: ' + strOutput ) ebb_serial.command( self.serialPort, strOutput )
