97 lines
2.6 KiB
Python
97 lines
2.6 KiB
Python
# ##########################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# http://flatcam.org #
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# File Author: Marius Adrian Stanciu (c) #
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# Date: 3/10/2019 #
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# MIT Licence #
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# ##########################################################
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from appPreProcessor import *
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# for Roland Preprocessors it is mandatory for the preprocessor name (python file and class name, both of them must be
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# the same) to contain the following keyword, case-sensitive: 'Roland' without the quotes.
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class hpgl(PreProc):
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include_header = True
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coordinate_format = "%.*f"
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def start_code(self, p):
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gcode = 'IN;\n'
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gcode += 'PU;'
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return gcode
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def startz_code(self, p):
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return ''
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def lift_code(self, p):
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gcode = 'PU;' + '\n'
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return gcode
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def down_code(self, p):
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gcode = 'PD;' + '\n'
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return gcode
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def toolchange_code(self, p):
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return 'SP%d;' % int(p.tool)
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def up_to_zero_code(self, p):
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return ''
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def position_code(self, p):
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units = str(p['units']).lower()
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# we work only with METRIC units because HPGL mention only metric units so if FlatCAM units are INCH we
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# transform them in METRIC
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if units == 'in':
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x = p.x * 25.4
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y = p.y * 25.4
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else:
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x = p.x
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y = p.y
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# we need to have the coordinates as multiples of 0.025mm
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x = round(x * 40)
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y = round(y * 40)
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# constrain the x and y values within the domain of valid values: [-32767 ... 32768]
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if x <= -32767:
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x = -32767
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if x >= 32768:
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x = 32768
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if y <= -32767:
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y = -32767
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if y >= 32768:
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y = 32768
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return ('PA' + self.coordinate_format + ',' + self.coordinate_format + ';') % \
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(p.coords_decimals, x, p.coords_decimals, y)
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def rapid_code(self, p):
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return self.position_code(p).format(**p)
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def linear_code(self, p):
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return self.position_code(p).format(**p)
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def end_code(self, p):
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gcode = self.position_code(p).format(**p)
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return gcode
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def feedrate_code(self, p):
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return ''
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def z_feedrate_code(self, p):
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return ''
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def feedrate_rapid_code(self, p):
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return ''
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def spindle_code(self, p):
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return ''
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def dwell_code(self, p):
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return ''
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def spindle_stop_code(self, p):
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return ''
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