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Update PurgeLinesAndUnload.py

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Change the purge line height from a fixed 0.3 to a live value equal to the Initial Layer Height.  This fixes a problem it was creating with the preview of a gcode file.
This commit is contained in:
GregValiant 2025-10-18 21:30:47 -04:00
parent 54658de97e
commit 6d8b517c62
1 changed files with 27 additions and 27 deletions
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54
plugins/PostProcessingPlugin/scripts/PurgeLinesAndUnload.py
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@ -486,9 +486,9 @@ class PurgeLinesAndUnload(Script):
data[0] += "; [Purge Lines and Unload] 'Add Purge Lines' did not run because the assumed primary nozzle (T0) has tool offsets.\n"
Message(title = "[Purge Lines and Unload]", text = "'Add Purge Lines' did not run because the assumed primary nozzle (T0) has tool offsets").show()
return data
self.purge_line_hgt = round(float(self.global_stack.getProperty("layer_height_0", "value")),2)
def calculate_purge_volume(line_width, purge_length, volume_per_mm):
return round((line_width * 0.3 * purge_length) * 1.25 / volume_per_mm, 5)
return round((line_width * self.purge_line_hgt * purge_length) * 1.25 / volume_per_mm, 5)
def adjust_for_prime_blob_gcode(retract_speed, retract_distance):
"""Generates G-code lines for prime blob adjustment."""
@ -497,7 +497,7 @@ class PurgeLinesAndUnload(Script):
"G92 E0 ; Reset extruder\n"
]
return "\n".join(gcode_lines)
purge_location = self.getSettingValueByKey("purge_line_location")
purge_extrusion_full = True if self.getSettingValueByKey("purge_line_length") == "purge_full" else False
purge_str = ";TYPE:CUSTOM----------[Purge Lines]\nG0 F600 Z2 ; Move up\nG92 E0 ; Reset extruder\n"
@ -511,7 +511,7 @@ class PurgeLinesAndUnload(Script):
purge_str = purge_str.replace("Lines", "Lines at MinX")
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{self.machine_left + self.border_distance} Y{self.machine_front + 10} ; Move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -522,7 +522,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 3 + self.border_distance} Y{self.machine_front + 20} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 3 + self.border_distance} Y{self.machine_front + 20} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_left + 3 + self.border_distance} Y{self.machine_front + 35} ; Wipe\n"
self.end_purge_location = Position.LEFT_FRONT
elif purge_location == Location.RIGHT:
@ -532,7 +532,7 @@ class PurgeLinesAndUnload(Script):
purge_str = purge_str.replace("Lines", "Lines at MaxX")
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{self.machine_right - self.border_distance} ; Move\nG0 Y{self.machine_back - 10} ; Move\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -543,7 +543,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 3 - self.border_distance} Y{self.machine_back - 20} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 3 - self.border_distance} Y{self.machine_back - 20} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_right - 3 - self.border_distance} Y{self.machine_back - 35} ; Wipe\n"
self.end_purge_location = Position.RIGHT_REAR
elif purge_location == Location.FRONT:
@ -554,7 +554,7 @@ class PurgeLinesAndUnload(Script):
purge_str = purge_str.replace("Lines", "Lines at MinY")
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{self.machine_left + 10} Y{self.machine_front + self.border_distance} ; Move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -565,7 +565,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 20} Y{self.machine_front + 3 + self.border_distance} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 20} Y{self.machine_front + 3 + self.border_distance} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_left + 35} Y{self.machine_front + 3 + self.border_distance} ; Wipe\n"
self.end_purge_location = Position.LEFT_FRONT
elif purge_location == Location.REAR:
@ -577,7 +577,7 @@ class PurgeLinesAndUnload(Script):
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} Y{self.machine_back - self.border_distance} ; Ortho Move to back\n"
purge_str += f"G0 X{self.machine_right - 10} ; Ortho move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -588,7 +588,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 20} Y{self.machine_back - 3 - self.border_distance} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 20} Y{self.machine_back - 3 - self.border_distance} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_right - 35} Y{self.machine_back - 3 - self.border_distance} ; Wipe\n"
self.end_purge_location = Position.RIGHT_REAR
# Some cartesian printers (BIBO, Weedo, MethodX, etc.) are Origin at Center
@ -600,7 +600,7 @@ class PurgeLinesAndUnload(Script):
purge_volume = calculate_purge_volume(self.init_line_width, purge_len, self.mm3_per_mm)
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{self.machine_left + self.border_distance} Y{self.machine_front + 10} ; Move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -611,7 +611,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 3 + self.border_distance} Y{self.machine_front + 20} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 3 + self.border_distance} Y{self.machine_front + 20} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_left + 3 + self.border_distance} Y{self.machine_front + 35} ; Wipe\n"
self.end_purge_location = Position.LEFT_FRONT
elif purge_location == Location.RIGHT:
@ -621,7 +621,7 @@ class PurgeLinesAndUnload(Script):
purge_volume = calculate_purge_volume(self.init_line_width, purge_len, self.mm3_per_mm)
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{self.machine_right - self.border_distance} Z2 ; Move\nG0 Y{self.machine_back - 10} Z2 ; Move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -632,7 +632,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 3 - self.border_distance} Y{self.machine_back - 20} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 3 - self.border_distance} Y{self.machine_back - 20} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_right - 3 - self.border_distance} Y{self.machine_back - 35} ; Wipe\n"
self.end_purge_location = Position.RIGHT_REAR
elif purge_location == Location.FRONT:
@ -642,7 +642,7 @@ class PurgeLinesAndUnload(Script):
purge_volume = calculate_purge_volume(self.init_line_width, purge_len, self.mm3_per_mm)
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{self.machine_left + 10} Z2 ; Move\nG0 Y{self.machine_front + self.border_distance} Z2 ; Move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -653,7 +653,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 20} Y{self.machine_front + 3 + self.border_distance} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_left + 20} Y{self.machine_front + 3 + self.border_distance} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_left + 35} Y{self.machine_front + 3 + self.border_distance} ; Wipe\n"
self.end_purge_location = Position.LEFT_FRONT
elif purge_location == Location.REAR:
@ -664,7 +664,7 @@ class PurgeLinesAndUnload(Script):
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} Y{self.machine_back - self.border_distance} Z2; Ortho Move to back\n"
purge_str += f"G0 X{self.machine_right - 10} Z2 ; Ortho Move to start\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
if self.prime_blob_enable:
purge_str += adjust_for_prime_blob_gcode(self.retract_speed, self.retract_dist)
# Purge two lines
@ -675,7 +675,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round(purge_volume * 2 - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z8 ; Move Up\nG4 S1 ; Wait for 1 second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 20} Y{self.machine_back - 3 - self.border_distance} Z0.3 ; Slide over and down\n"
purge_str += f"G0 F{self.print_speed} X{self.machine_right - 20} Y{self.machine_back - 3 - self.border_distance} Z{self.purge_line_hgt} ; Slide over and down\n"
purge_str += f"G0 X{self.machine_right - 35} Y{self.machine_back - 3 - self.border_distance} ; Wipe\n"
self.end_purge_location = Position.RIGHT_REAR
# Elliptic printers with Origin at Center
@ -689,7 +689,7 @@ class PurgeLinesAndUnload(Script):
if purge_location == Location.LEFT:
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X-{round(radius_1 * .707, 2)} Y-{round(radius_1 * .707, 2)} ; Travel\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
# Purge two arcs
purge_str += f"G2 F{self.print_speed} X-{round(radius_1 * .707, 2)} Y{round(radius_1 * .707, 2)} I{round(radius_1 * .707, 2)} J{round(radius_1 * .707, 2)} E{purge_volume} ; First Arc\n"
purge_str += f"G0 X-{round((radius_1 - 3) * .707, 2)} Y{round((radius_1 - 3) * .707, 2)} ; Move Over\n"
@ -699,13 +699,13 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round((purge_volume * 2 + 1) - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z5 ; Move Up\nG4 S1 ; Wait 1 Second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X-{round((radius_1 - 3) * .707 - 15, 2)} Z0.3 ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} X-{round((radius_1 - 3) * .707 - 15, 2)} Z{self.purge_line_hgt} ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} X-{round((radius_1 - 3) * .707, 2)} ; Wipe\n"
self.end_purge_location = Position.LEFT_FRONT
elif purge_location == Location.RIGHT:
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{round(radius_1 * .707, 2)} Y-{round(radius_1 * .707, 2)} ; Travel\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
# Purge two arcs
purge_str += f"G3 F{self.print_speed} X{round(radius_1 * .707, 2)} Y{round(radius_1 * .707, 2)} I-{round(radius_1 * .707, 2)} J{round(radius_1 * .707, 2)} E{purge_volume} ; First Arc\n"
purge_str += f"G0 X{round((radius_1 - 3) * .707, 2)} Y{round((radius_1 - 3) * .707, 2)} ; Move Over\n"
@ -715,13 +715,13 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round((purge_volume * 2 + 1) - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z5 ; Move Up\nG4 S1 ; Wait 1 Second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} X{round((radius_1 - 3) * .707 - 15, 2)} Z0.3 ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} X{round((radius_1 - 3) * .707 - 15, 2)} Z{self.purge_line_hgt} ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} X{round((radius_1 - 3) * .707, 2)} ; Wipe\n"
self.end_purge_location = Position.RIGHT_REAR
elif purge_location == Location.FRONT:
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X-{round(radius_1 * .707, 2)} Y-{round(radius_1 * .707, 2)} ; Travel\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
# Purge two arcs
purge_str += f"G3 F{self.print_speed} X{round(radius_1 * .707, 2)} Y-{round(radius_1 * .707, 2)} I{round(radius_1 * .707, 2)} J{round(radius_1 * .707, 2)} E{purge_volume} ; First Arc\n"
purge_str += f"G0 X{round((radius_1 - 3) * .707, 2)} Y-{round((radius_1 - 3) * .707, 2)} ; Move Over\n"
@ -731,13 +731,13 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round((purge_volume * 2 + 1) - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z5 ; Move Up\nG4 S1 ; Wait 1 Second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} Y-{round((radius_1 - 3) * .707 - 15, 2)} Z0.3 ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} Y-{round((radius_1 - 3) * .707 - 15, 2)} Z{self.purge_line_hgt} ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} Y-{round((radius_1 - 3) * .707, 2)} ; Wipe\n"
self.end_purge_location = Position.LEFT_FRONT
elif purge_location == Location.REAR:
# Travel to the purge start
purge_str += f"G0 F{self.speed_travel} X{round(radius_1 * .707, 2)} Y{round(radius_1 * .707, 2)} ; Travel\n"
purge_str += f"G0 F600 Z0.3 ; Move down\n"
purge_str += f"G0 F600 Z{self.purge_line_hgt} ; Move down\n"
# Purge two arcs
purge_str += f"G3 F{self.print_speed} X-{round(radius_1 * .707, 2)} Y{round(radius_1 * .707, 2)} I-{round(radius_1 * .707, 2)} J-{round(radius_1 * .707, 2)} E{purge_volume} ; First Arc\n"
purge_str += f"G0 X-{round((radius_1 - 3) * .707, 2)} Y{round((radius_1 - 3) * .707, 2)} ; Move Over\n"
@ -747,7 +747,7 @@ class PurgeLinesAndUnload(Script):
purge_str += f"G1 F{int(self.retract_speed)} E{round((purge_volume * 2 + 1) - self.retract_dist, 5)} ; Retract\n" if self.retraction_enable else ""
purge_str += "G0 F600 Z5\nG4 S1 ; Wait 1 Second\n"
# Wipe
purge_str += f"G0 F{self.print_speed} Y{round((radius_1 - 3) * .707 - 15, 2)} Z0.3 ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} Y{round((radius_1 - 3) * .707 - 15, 2)} Z{self.purge_line_hgt} ; Slide Over\n"
purge_str += f"G0 F{self.print_speed} Y{round((radius_1 - 3) * .707, 2)} ; Wipe\n"
self.end_purge_location = Position.RIGHT_REAR