FlatCAM/preprocessors/line_xyz.py

# ##########################################################
# FlatCAM: 2D Post-processing for Manufacturing            #
# http://flatcam.org                                       #
# File Author: Marius Adrian Stanciu (c)                   #
# Date: 3/10/2019                                          #
# MIT Licence                                              #
# ##########################################################

from appPreProcessor import *


class line_xyz(PreProc):

    include_header = True
    coordinate_format = "%.*f"
    feedrate_format = '%.*f'

    def start_code(self, p):
        units = ' ' + str(p['units']).lower()
        coords_xy = p['xy_toolchange']
        end_coords_xy = p['end_xy']
        gcode = ''

        xmin = '%.*f' % (p.coords_decimals, p['options']['xmin'])
        xmax = '%.*f' % (p.coords_decimals, p['options']['xmax'])
        ymin = '%.*f' % (p.coords_decimals, p['options']['ymin'])
        ymax = '%.*f' % (p.coords_decimals, p['options']['ymax'])

        if str(p['options']['type']) == 'Geometry':
            gcode += '(TOOL DIAMETER: ' + str(p['options']['tool_dia']) + units + ')\n'
            gcode += '(Feedrate_XY: ' + str(p['feedrate']) + units + '/min' + ')\n'
            gcode += '(Feedrate_Z: ' + str(p['z_feedrate']) + units + '/min' + ')\n'
            gcode += '(Feedrate rapids ' + str(p['feedrate_rapid']) + units + '/min' + ')\n' + '\n'
            gcode += '(Z_Cut: ' + str(p['z_cut']) + units + ')\n'
            if p['multidepth'] is True:
                gcode += '(DepthPerCut: ' + str(p['z_depthpercut']) + units + ' <=>' + \
                         str(math.ceil(abs(p['z_cut']) / p['z_depthpercut'])) + ' passes' + ')\n'
            gcode += '(Z_Move: ' + str(p['z_move']) + units + ')\n'

        elif str(p['options']['type']) == 'Excellon' and p['use_ui'] is True:
            gcode += '\n(TOOLS DIAMETER: )\n'
            for tool, val in p['exc_tools'].items():
                gcode += '(Tool: %s -> ' % str(tool) + 'Dia: %s' % str(val["tooldia"]) + ')\n'

            gcode += '\n(FEEDRATE Z: )\n'
            for tool, val in p['exc_tools'].items():
                gcode += '(Tool: %s -> ' % str(tool) + 'Feedrate: %s' % \
                         str(val['data']["tools_drill_feedrate_z"]) + ')\n'

            gcode += '\n(FEEDRATE RAPIDS: )\n'
            for tool, val in p['exc_tools'].items():
                gcode += '(Tool: %s -> ' % str(tool) + 'Feedrate Rapids: %s' % \
                         str(val['data']["tools_drill_feedrate_rapid"]) + ')\n'

            gcode += '\n(Z_CUT: )\n'
            for tool, val in p['exc_tools'].items():
                gcode += '(Tool: %s -> ' % str(tool) + 'Z_Cut: %s' % str(val['data']["tools_drill_cutz"]) + ')\n'

            gcode += '\n(Tools Offset: )\n'
            for tool, val in p['exc_cnc_tools'].items():
                gcode += '(Tool: %s -> ' % str(val['tool']) + 'Offset Z: %s' % \
                         str(val['data']["tools_drill_offset"]) + ')\n'

            if p['multidepth'] is True:
                gcode += '\n(DEPTH_PER_CUT: )\n'
                for tool, val in p['exc_tools'].items():
                    gcode += '(Tool: %s -> ' % str(tool) + 'DeptPerCut: %s' % \
                             str(val['data']["tools_drill_depthperpass"]) + ')\n'

            gcode += '\n(Z_MOVE: )\n'
            for tool, val in p['exc_tools'].items():
                gcode += '(Tool: %s -> ' % str(tool) + 'Z_Move: %s' % str(val['data']["tools_drill_travelz"]) + ')\n'
            gcode += '\n'

        if p['toolchange'] is True:
            gcode += '(Z Toolchange: ' + str(p['z_toolchange']) + units + ')\n'

            if coords_xy is not None:
                gcode += '(X,Y Toolchange: ' + "%.*f, %.*f" % (p.decimals, coords_xy[0],
                                                               p.decimals, coords_xy[1]) + units + ')\n'
            else:
                gcode += '(X,Y Toolchange: ' + "None" + units + ')\n'

        gcode += '(Z Start: ' + str(p['startz']) + units + ')\n'
        gcode += '(Z End: ' + str(p['z_end']) + units + ')\n'
        if end_coords_xy is not None:
            gcode += '(X,Y End: ' + "%.*f, %.*f" % (p.decimals, end_coords_xy[0],
                                                    p.decimals, end_coords_xy[1]) + units + ')\n'
        else:
            gcode += '(X,Y End: ' + "None" + units + ')\n'
        gcode += '(Steps per circle: ' + str(p['steps_per_circle']) + ')\n'
        gcode += '(Steps per circle: ' + str(p['steps_per_circle']) + ')\n'

        if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry':
            gcode += '(Preprocessor Excellon: ' + str(p['pp_excellon_name']) + ')\n' + '\n'
        else:
            gcode += '(Preprocessor Geometry: ' + str(p['pp_geometry_name']) + ')\n' + '\n'

        gcode += '(X range: ' + '{: >9s}'.format(xmin) + ' ... ' + '{: >9s}'.format(xmax) + ' ' + units + ')\n'
        gcode += '(Y range: ' + '{: >9s}'.format(ymin) + ' ... ' + '{: >9s}'.format(ymax) + ' ' + units + ')\n\n'

        gcode += '(Spindle Speed: %s RPM)\n' % str(p['spindlespeed'])

        gcode += ('G20\n' if p.units.upper() == 'IN' else 'G21\n')
        gcode += 'G90\n'
        gcode += 'G94\n'

        return gcode

    def startz_code(self, p):
        if p.startz is not None:
            g = 'G00 ' + 'X' + self.coordinate_format % (p.coords_decimals, p.x) + \
                ' Y' + self.coordinate_format % (p.coords_decimals, p.y) + \
                ' Z' + self.coordinate_format % (p.coords_decimals, p.startz)
            return g
        else:
            return ''

    def lift_code(self, p):
        g = 'G00 ' + 'X' + self.coordinate_format % (p.coords_decimals, p.x) + \
            ' Y' + self.coordinate_format % (p.coords_decimals, p.y) + \
            ' Z' + self.coordinate_format % (p.coords_decimals, p.z_move)
        return g

    def down_code(self, p):
        g = 'G01 ' + 'X' + self.coordinate_format % (p.coords_decimals, p.x) + \
            ' Y' + self.coordinate_format % (p.coords_decimals, p.y) + \
            ' Z' + self.coordinate_format % (p.coords_decimals, p.z_cut)
        return g

    def toolchange_code(self, p):
        z_toolchange = p.z_toolchange
        xy_toolchange = p.xy_toolchange
        f_plunge = p.f_plunge

        if xy_toolchange is not None:
            x_toolchange = xy_toolchange[0]
            y_toolchange = xy_toolchange[1]
        else:
            if str(p['options']['type']) == 'Excellon':
                x_toolchange = p.oldx
                y_toolchange = p.oldy
            else:
                x_toolchange = p.x
                y_toolchange = p.y

        no_drills = 1

        if int(p.tool) == 1 and p.startz is not None:
            z_toolchange = p.startz

        toolC_formatted = '%.*f' % (p.decimals, p.toolC)

        if str(p['options']['type']) == 'Excellon':
            for i in p['options']['Tools_in_use']:
                if i[0] == p.tool:
                    no_drills = i[2]
            gcode = """
M5      
G00 X{x_toolchange} Y{x_toolchange} Z{z_toolchange}
T{tool}
M6
(MSG, Change to Tool Dia = {toolC} ||| Total drills for tool T{tool} = {t_drills})
M0""".format(x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
             y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
             z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
             tool=int(p.tool),
             t_drills=no_drills,
             toolC=toolC_formatted)

            if f_plunge is True:
                gcode += """\nG00 X{x_toolchange} Y{x_toolchange} Z{z_move}""".format(
                    x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
                    y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
                    z_move=self.coordinate_format % (p.coords_decimals, p.z_move))
            return gcode
        else:
            gcode = """
M5
G00 X{x_toolchange} Y{x_toolchange} Z{z_toolchange}
T{tool}
M6    
(MSG, Change to Tool Dia = {toolC})
M0""".format(x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
             y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
             z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
             tool=int(p.tool),
             toolC=toolC_formatted)

            if f_plunge is True:
                gcode += """\nG00 X{x_toolchange} Y{x_toolchange} Z{z_move}""".format(
                    x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
                    y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
                    z_move=self.coordinate_format % (p.coords_decimals, p.z_move))
            return gcode

    def up_to_zero_code(self, p):
        g = 'G01 ' + 'X' + self.coordinate_format % (p.coords_decimals, p.x) + \
            ' Y' + self.coordinate_format % (p.coords_decimals, p.y) + \
            ' Z0'
        return g

    def position_code(self, p):
        return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
               (p.coords_decimals, p.x, p.coords_decimals, p.y)

    def rapid_code(self, p):
        g = ('G00 ' + self.position_code(p)).format(**p)
        g += ' Z' + self.coordinate_format % (p.coords_decimals, p.z_move)
        return g

    def linear_code(self, p):
        g = ('G01 ' + self.position_code(p)).format(**p)
        g += ' Z' + self.coordinate_format % (p.coords_decimals, p.z_cut)
        return g

    def end_code(self, p):
        coords_xy = p['xy_end']
        if coords_xy and coords_xy != '':
            g = 'G00 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + "\n"
        else:
            g = ('G00 ' + self.position_code(p)).format(**p)
        g += ' Z' + self.coordinate_format % (p.coords_decimals, p.z_end)
        return g

    def feedrate_code(self, p):
        return 'G01 F' + str(self.feedrate_format % (p.fr_decimals, p.feedrate))

    def z_feedrate_code(self, p):
        return 'G01 F' + str(self.feedrate_format % (p.fr_decimals, p.z_feedrate))

    def spindle_code(self, p):
        sdir = {'CW': 'M03', 'CCW': 'M04'}[p.spindledir]
        if p.spindlespeed:
            return '%s S%s' % (sdir, str(p.spindlespeed))
        else:
            return sdir

    def dwell_code(self, p):
        if p.dwelltime:
            return 'G4 P' + str(p.dwelltime)

    def spindle_stop_code(self, p):
        return 'M05'