flatcam/FlatCAMObj.py

1245 lines
43 KiB
Python

from PyQt4 import QtCore
from ObjectUI import *
import FlatCAMApp
import inspect # TODO: For debugging only.
from camlib import *
from FlatCAMCommon import LoudDict
from FlatCAMDraw import FlatCAMDraw
########################################
## FlatCAMObj ##
########################################
class FlatCAMObj(QtCore.QObject):
"""
Base type of objects handled in FlatCAM. These become interactive
in the GUI, can be plotted, and their options can be modified
by the user in their respective forms.
"""
# Instance of the application to which these are related.
# The app should set this value.
app = None
def __init__(self, name):
"""
:param name: Name of the object given by the user.
:return: FlatCAMObj
"""
QtCore.QObject.__init__(self)
# View
self.ui = None
self.options = LoudDict(name=name)
self.options.set_change_callback(self.on_options_change)
self.form_fields = {}
self.axes = None # Matplotlib axes
self.kind = None # Override with proper name
self.muted_ui = False
# assert isinstance(self.ui, ObjectUI)
# self.ui.name_entry.returnPressed.connect(self.on_name_activate)
# self.ui.offset_button.clicked.connect(self.on_offset_button_click)
# self.ui.scale_button.clicked.connect(self.on_scale_button_click)
def on_options_change(self, key):
self.emit(QtCore.SIGNAL("optionChanged"), key)
def set_ui(self, ui):
self.ui = ui
self.form_fields = {"name": self.ui.name_entry}
assert isinstance(self.ui, ObjectUI)
self.ui.name_entry.returnPressed.connect(self.on_name_activate)
self.ui.offset_button.clicked.connect(self.on_offset_button_click)
self.ui.scale_button.clicked.connect(self.on_scale_button_click)
def __str__(self):
return "<FlatCAMObj({:12s}): {:20s}>".format(self.kind, self.options["name"])
def on_name_activate(self):
old_name = copy(self.options["name"])
new_name = self.ui.name_entry.get_value()
self.options["name"] = self.ui.name_entry.get_value()
self.app.info("Name changed from %s to %s" % (old_name, new_name))
def on_offset_button_click(self):
self.app.report_usage("obj_on_offset_button")
self.read_form()
vect = self.ui.offsetvector_entry.get_value()
self.offset(vect)
self.plot()
def on_scale_button_click(self):
self.app.report_usage("obj_on_scale_button")
self.read_form()
factor = self.ui.scale_entry.get_value()
self.scale(factor)
self.plot()
def setup_axes(self, figure):
"""
1) Creates axes if they don't exist. 2) Clears axes. 3) Attaches
them to figure if not part of the figure. 4) Sets transparent
background. 5) Sets 1:1 scale aspect ratio.
:param figure: A Matplotlib.Figure on which to add/configure axes.
:type figure: matplotlib.figure.Figure
:return: None
:rtype: None
"""
if self.axes is None:
FlatCAMApp.App.log.debug("setup_axes(): New axes")
self.axes = figure.add_axes([0.05, 0.05, 0.9, 0.9],
label=self.options["name"])
elif self.axes not in figure.axes:
FlatCAMApp.App.log.debug("setup_axes(): Clearing and attaching axes")
self.axes.cla()
figure.add_axes(self.axes)
else:
FlatCAMApp.App.log.debug("setup_axes(): Clearing Axes")
self.axes.cla()
# Remove all decoration. The app's axes will have
# the ticks and grid.
self.axes.set_frame_on(False) # No frame
self.axes.set_xticks([]) # No tick
self.axes.set_yticks([]) # No ticks
self.axes.patch.set_visible(False) # No background
self.axes.set_aspect(1)
def to_form(self):
"""
Copies options to the UI form.
:return: None
"""
for option in self.options:
self.set_form_item(option)
def read_form(self):
"""
Reads form into ``self.options``.
:return: None
:rtype: None
"""
FlatCAMApp.App.log.debug(str(inspect.stack()[1][3]) + "--> FlatCAMObj.read_form()")
for option in self.options:
self.read_form_item(option)
def build_ui(self):
"""
Sets up the UI/form for this object.
:return: None
:rtype: None
"""
self.muted_ui = True
FlatCAMApp.App.log.debug(str(inspect.stack()[1][3]) + "--> FlatCAMObj.build_ui()")
# Remove anything else in the box
# box_children = self.app.ui.notebook.selected_contents.get_children()
# for child in box_children:
# self.app.ui.notebook.selected_contents.remove(child)
# while self.app.ui.selected_layout.count():
# self.app.ui.selected_layout.takeAt(0)
# Put in the UI
# box_selected.pack_start(sw, True, True, 0)
# self.app.ui.notebook.selected_contents.add(self.ui)
# self.app.ui.selected_layout.addWidget(self.ui)
try:
self.app.ui.selected_scroll_area.takeWidget()
except:
self.app.log.debug("Nothing to remove")
self.app.ui.selected_scroll_area.setWidget(self.ui)
self.to_form()
self.muted_ui = False
def set_form_item(self, option):
"""
Copies the specified option to the UI form.
:param option: Name of the option (Key in ``self.options``).
:type option: str
:return: None
"""
try:
self.form_fields[option].set_value(self.options[option])
except KeyError:
self.app.log.warn("Tried to set an option or field that does not exist: %s" % option)
def read_form_item(self, option):
"""
Reads the specified option from the UI form into ``self.options``.
:param option: Name of the option.
:type option: str
:return: None
"""
try:
self.options[option] = self.form_fields[option].get_value()
except KeyError:
self.app.log.warning("Failed to read option from field: %s" % option)
def plot(self):
"""
Plot this object (Extend this method to implement the actual plotting).
Axes get created, appended to canvas and cleared before plotting.
Call this in descendants before doing the plotting.
:return: Whether to continue plotting or not depending on the "plot" option.
:rtype: bool
"""
FlatCAMApp.App.log.debug(str(inspect.stack()[1][3]) + " --> FlatCAMObj.plot()")
# Axes must exist and be attached to canvas.
if self.axes is None or self.axes not in self.app.plotcanvas.figure.axes:
self.axes = self.app.plotcanvas.new_axes(self.options['name'])
if not self.options["plot"]:
self.axes.cla()
self.app.plotcanvas.auto_adjust_axes()
return False
# Clear axes or we will plot on top of them.
self.axes.cla() # TODO: Thread safe?
return True
def serialize(self):
"""
Returns a representation of the object as a dictionary so
it can be later exported as JSON. Override this method.
:return: Dictionary representing the object
:rtype: dict
"""
return
def deserialize(self, obj_dict):
"""
Re-builds an object from its serialized version.
:param obj_dict: Dictionary representing a FlatCAMObj
:type obj_dict: dict
:return: None
"""
return
class FlatCAMGerber(FlatCAMObj, Gerber):
"""
Represents Gerber code.
"""
ui_type = GerberObjectUI
def __init__(self, name):
Gerber.__init__(self)
FlatCAMObj.__init__(self, name)
self.kind = "gerber"
# The 'name' is already in self.options from FlatCAMObj
# Automatically updates the UI
self.options.update({
"plot": True,
"multicolored": False,
"solid": False,
"isotooldia": 0.016,
"isopasses": 1,
"isooverlap": 0.15,
"combine_passes": True,
"cutouttooldia": 0.07,
"cutoutmargin": 0.2,
"cutoutgapsize": 0.15,
"gaps": "tb",
"noncoppermargin": 0.0,
"noncopperrounded": False,
"bboxmargin": 0.0,
"bboxrounded": False
})
# Attributes to be included in serialization
# Always append to it because it carries contents
# from predecessors.
self.ser_attrs += ['options', 'kind']
# assert isinstance(self.ui, GerberObjectUI)
# self.ui.plot_cb.stateChanged.connect(self.on_plot_cb_click)
# self.ui.solid_cb.stateChanged.connect(self.on_solid_cb_click)
# self.ui.multicolored_cb.stateChanged.connect(self.on_multicolored_cb_click)
# self.ui.generate_iso_button.clicked.connect(self.on_iso_button_click)
# self.ui.generate_cutout_button.clicked.connect(self.on_generatecutout_button_click)
# self.ui.generate_bb_button.clicked.connect(self.on_generatebb_button_click)
# self.ui.generate_noncopper_button.clicked.connect(self.on_generatenoncopper_button_click)
def set_ui(self, ui):
FlatCAMObj.set_ui(self, ui)
FlatCAMApp.App.log.debug("FlatCAMGerber.set_ui()")
self.form_fields.update({
"plot": self.ui.plot_cb,
"multicolored": self.ui.multicolored_cb,
"solid": self.ui.solid_cb,
"isotooldia": self.ui.iso_tool_dia_entry,
"isopasses": self.ui.iso_width_entry,
"isooverlap": self.ui.iso_overlap_entry,
"combine_passes":self.ui.combine_passes_cb,
"cutouttooldia": self.ui.cutout_tooldia_entry,
"cutoutmargin": self.ui.cutout_margin_entry,
"cutoutgapsize": self.ui.cutout_gap_entry,
"gaps": self.ui.gaps_radio,
"noncoppermargin": self.ui.noncopper_margin_entry,
"noncopperrounded": self.ui.noncopper_rounded_cb,
"bboxmargin": self.ui.bbmargin_entry,
"bboxrounded": self.ui.bbrounded_cb
})
assert isinstance(self.ui, GerberObjectUI)
self.ui.plot_cb.stateChanged.connect(self.on_plot_cb_click)
self.ui.solid_cb.stateChanged.connect(self.on_solid_cb_click)
self.ui.multicolored_cb.stateChanged.connect(self.on_multicolored_cb_click)
self.ui.generate_iso_button.clicked.connect(self.on_iso_button_click)
self.ui.generate_cutout_button.clicked.connect(self.on_generatecutout_button_click)
self.ui.generate_bb_button.clicked.connect(self.on_generatebb_button_click)
self.ui.generate_noncopper_button.clicked.connect(self.on_generatenoncopper_button_click)
def on_generatenoncopper_button_click(self, *args):
self.app.report_usage("gerber_on_generatenoncopper_button")
self.read_form()
name = self.options["name"] + "_noncopper"
def geo_init(geo_obj, app_obj):
assert isinstance(geo_obj, FlatCAMGeometry)
bounding_box = self.solid_geometry.envelope.buffer(self.options["noncoppermargin"])
if not self.options["noncopperrounded"]:
bounding_box = bounding_box.envelope
non_copper = bounding_box.difference(self.solid_geometry)
geo_obj.solid_geometry = non_copper
# TODO: Check for None
self.app.new_object("geometry", name, geo_init)
def on_generatebb_button_click(self, *args):
self.app.report_usage("gerber_on_generatebb_button")
self.read_form()
name = self.options["name"] + "_bbox"
def geo_init(geo_obj, app_obj):
assert isinstance(geo_obj, FlatCAMGeometry)
# Bounding box with rounded corners
bounding_box = self.solid_geometry.envelope.buffer(self.options["bboxmargin"])
if not self.options["bboxrounded"]: # Remove rounded corners
bounding_box = bounding_box.envelope
geo_obj.solid_geometry = bounding_box
self.app.new_object("geometry", name, geo_init)
def on_generatecutout_button_click(self, *args):
self.app.report_usage("gerber_on_generatecutout_button")
self.read_form()
name = self.options["name"] + "_cutout"
def geo_init(geo_obj, app_obj):
margin = self.options["cutoutmargin"] + self.options["cutouttooldia"]/2
gap_size = self.options["cutoutgapsize"] + self.options["cutouttooldia"]
minx, miny, maxx, maxy = self.bounds()
minx -= margin
maxx += margin
miny -= margin
maxy += margin
midx = 0.5 * (minx + maxx)
midy = 0.5 * (miny + maxy)
hgap = 0.5 * gap_size
pts = [[midx - hgap, maxy],
[minx, maxy],
[minx, midy + hgap],
[minx, midy - hgap],
[minx, miny],
[midx - hgap, miny],
[midx + hgap, miny],
[maxx, miny],
[maxx, midy - hgap],
[maxx, midy + hgap],
[maxx, maxy],
[midx + hgap, maxy]]
cases = {"tb": [[pts[0], pts[1], pts[4], pts[5]],
[pts[6], pts[7], pts[10], pts[11]]],
"lr": [[pts[9], pts[10], pts[1], pts[2]],
[pts[3], pts[4], pts[7], pts[8]]],
"4": [[pts[0], pts[1], pts[2]],
[pts[3], pts[4], pts[5]],
[pts[6], pts[7], pts[8]],
[pts[9], pts[10], pts[11]]]}
cuts = cases[self.options['gaps']]
geo_obj.solid_geometry = cascaded_union([LineString(segment) for segment in cuts])
# TODO: Check for None
self.app.new_object("geometry", name, geo_init)
def on_iso_button_click(self, *args):
self.app.report_usage("gerber_on_iso_button")
self.read_form()
self.isolate()
def follow(self, outname=None):
"""
Creates a geometry object "following" the gerber paths.
:return: None
"""
default_name = self.options["name"] + "_follow"
follow_name = outname or default_name
def follow_init(follow_obj, app_obj):
# Propagate options
follow_obj.options["cnctooldia"] = self.options["isotooldia"]
follow_obj.solid_geometry = self.solid_geometry
app_obj.info("Follow geometry created: %s" % follow_obj.options["name"])
# TODO: Do something if this is None. Offer changing name?
self.app.new_object("geometry", follow_name, follow_init)
def isolate(self, dia=None, passes=None, overlap=None, outname=None, combine=None):
"""
Creates an isolation routing geometry object in the project.
:param dia: Tool diameter
:param passes: Number of tool widths to cut
:param overlap: Overlap between passes in fraction of tool diameter
:param outname: Base name of the output object
:return: None
"""
if dia is None:
dia = self.options["isotooldia"]
if passes is None:
passes = int(self.options["isopasses"])
if overlap is None:
overlap = self.options["isooverlap"]
if combine is None:
combine = self.options["combine_passes"]
else:
combine = bool(combine)
base_name = self.options["name"] + "_iso"
base_name = outname or base_name
def generate_envelope (offset, invert):
# isolation_geometry produces an envelope that is going on the left of the geometry
# (the copper features). To leave the least amount of burrs on the features
# the tool needs to travel on the right side of the features (this is called conventional milling)
# the first pass is the one cutting all of the features, so it needs to be reversed
# the other passes overlap preceding ones and cut the left over copper. It is better for them
# to cut on the right side of the left over copper i.e on the left side of the features.
geom = self.isolation_geometry(offset)
if invert:
if type(geom) is MultiPolygon:
pl = []
for p in geom:
pl.append(Polygon (p.exterior.coords[::-1], p.interiors))
geom = MultiPolygon(pl)
elif type(geom) is Polygon:
geom = Polygon (geom.exterior.coords[::-1], geom.interiors);
else:
raise "Unexpected Geometry"
return geom
if (combine):
iso_name = base_name
# TODO: This is ugly. Create way to pass data into init function.
def iso_init(geo_obj, app_obj):
# Propagate options
geo_obj.options["cnctooldia"] = self.options["isotooldia"]
geo_obj.solid_geometry = []
for i in range(passes):
offset = (2 * i + 1) / 2.0 * dia - i * overlap * dia
geom = generate_envelope (offset, i == 0)
geo_obj.solid_geometry.append(geom)
app_obj.info("Isolation geometry created: %s" % geo_obj.options["name"])
# TODO: Do something if this is None. Offer changing name?
self.app.new_object("geometry", iso_name, iso_init)
else:
for i in range(passes):
offset = (2 * i + 1) / 2.0 * dia - i * overlap * dia
if passes > 1:
iso_name = base_name + str(i + 1)
else:
iso_name = base_name
# TODO: This is ugly. Create way to pass data into init function.
def iso_init(geo_obj, app_obj):
# Propagate options
geo_obj.options["cnctooldia"] = self.options["isotooldia"]
geo_obj.solid_geometry = generate_envelope (offset, i == 0)
app_obj.info("Isolation geometry created: %s" % geo_obj.options["name"])
# TODO: Do something if this is None. Offer changing name?
self.app.new_object("geometry", iso_name, iso_init)
def on_plot_cb_click(self, *args):
if self.muted_ui:
return
self.read_form_item('plot')
self.plot()
def on_solid_cb_click(self, *args):
if self.muted_ui:
return
self.read_form_item('solid')
self.plot()
def on_multicolored_cb_click(self, *args):
if self.muted_ui:
return
self.read_form_item('multicolored')
self.plot()
def convert_units(self, units):
"""
Converts the units of the object by scaling dimensions in all geometry
and options.
:param units: Units to which to convert the object: "IN" or "MM".
:type units: str
:return: None
:rtype: None
"""
factor = Gerber.convert_units(self, units)
self.options['isotooldia'] *= factor
self.options['cutoutmargin'] *= factor
self.options['cutoutgapsize'] *= factor
self.options['noncoppermargin'] *= factor
self.options['bboxmargin'] *= factor
def plot(self):
FlatCAMApp.App.log.debug(str(inspect.stack()[1][3]) + " --> FlatCAMGerber.plot()")
# Does all the required setup and returns False
# if the 'ptint' option is set to False.
if not FlatCAMObj.plot(self):
return
geometry = self.solid_geometry
# Make sure geometry is iterable.
try:
_ = iter(geometry)
except TypeError:
geometry = [geometry]
if self.options["multicolored"]:
linespec = '-'
else:
linespec = 'k-'
if self.options["solid"]:
for poly in geometry:
# TODO: Too many things hardcoded.
try:
patch = PolygonPatch(poly,
facecolor="#BBF268",
edgecolor="#006E20",
alpha=0.75,
zorder=2)
self.axes.add_patch(patch)
except AssertionError:
FlatCAMApp.App.log.warning("A geometry component was not a polygon:")
FlatCAMApp.App.log.warning(str(poly))
else:
for poly in geometry:
x, y = poly.exterior.xy
self.axes.plot(x, y, linespec)
for ints in poly.interiors:
x, y = ints.coords.xy
self.axes.plot(x, y, linespec)
self.app.plotcanvas.auto_adjust_axes()
def serialize(self):
return {
"options": self.options,
"kind": self.kind
}
class FlatCAMExcellon(FlatCAMObj, Excellon):
"""
Represents Excellon/Drill code.
"""
ui_type = ExcellonObjectUI
def __init__(self, name):
Excellon.__init__(self)
FlatCAMObj.__init__(self, name)
self.kind = "excellon"
self.options.update({
"plot": True,
"solid": False,
"drillz": -0.1,
"travelz": 0.1,
"feedrate": 5.0,
# "toolselection": ""
"tooldia": 0.1,
"toolchange": False,
"toolchangez": 1.0
})
# TODO: Document this.
self.tool_cbs = {}
# Attributes to be included in serialization
# Always append to it because it carries contents
# from predecessors.
self.ser_attrs += ['options', 'kind']
def build_ui(self):
FlatCAMObj.build_ui(self)
# Populate tool list
n = len(self.tools)
self.ui.tools_table.setColumnCount(2)
self.ui.tools_table.setHorizontalHeaderLabels(['#', 'Diameter'])
self.ui.tools_table.setRowCount(n)
self.ui.tools_table.setSortingEnabled(False)
i = 0
for tool in self.tools:
id = QtGui.QTableWidgetItem(tool)
id.setFlags(QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
self.ui.tools_table.setItem(i, 0, id) # Tool name/id
dia = QtGui.QTableWidgetItem(str(self.tools[tool]['C']))
dia.setFlags(QtCore.Qt.ItemIsEnabled)
self.ui.tools_table.setItem(i, 1, dia) # Diameter
i += 1
self.ui.tools_table.resizeColumnsToContents()
self.ui.tools_table.resizeRowsToContents()
self.ui.tools_table.horizontalHeader().setStretchLastSection(True)
self.ui.tools_table.verticalHeader().hide()
self.ui.tools_table.setSortingEnabled(True)
def set_ui(self, ui):
"""
Configures the user interface for this object.
Connects options to form fields.
:param ui: User interface object.
:type ui: ExcellonObjectUI
:return: None
"""
FlatCAMObj.set_ui(self, ui)
FlatCAMApp.App.log.debug("FlatCAMExcellon.set_ui()")
self.form_fields.update({
"plot": self.ui.plot_cb,
"solid": self.ui.solid_cb,
"drillz": self.ui.cutz_entry,
"travelz": self.ui.travelz_entry,
"feedrate": self.ui.feedrate_entry,
"tooldia": self.ui.tooldia_entry,
"toolchange": self.ui.toolchange_cb,
"toolchangez": self.ui.toolchangez_entry
})
assert isinstance(self.ui, ExcellonObjectUI)
self.ui.plot_cb.stateChanged.connect(self.on_plot_cb_click)
self.ui.solid_cb.stateChanged.connect(self.on_solid_cb_click)
self.ui.generate_cnc_button.clicked.connect(self.on_create_cncjob_button_click)
self.ui.generate_milling_button.clicked.connect(self.on_generate_milling_button_click)
def get_selected_tools_list(self):
"""
Returns the keys to the self.tools dictionary corresponding
to the selections on the tool list in the GUI.
"""
return [str(x.text()) for x in self.ui.tools_table.selectedItems()]
def on_generate_milling_button_click(self, *args):
self.app.report_usage("excellon_on_create_milling_button")
self.read_form()
# Get the tools from the list. These are keys
# to self.tools
tools = self.get_selected_tools_list()
if len(tools) == 0:
self.app.inform.emit("Please select one or more tools from the list and try again.")
return
for tool in tools:
if self.tools[tool]["C"] < self.options["tooldia"]:
self.app.inform.emit("[warning] Milling tool is larger than hole size. Cancelled.")
return
geo_name = self.options["name"] + "_mill"
def geo_init(geo_obj, app_obj):
assert isinstance(geo_obj, FlatCAMGeometry)
app_obj.progress.emit(20)
geo_obj.solid_geometry = []
for hole in self.drills:
if hole['tool'] in tools:
geo_obj.solid_geometry.append(
Point(hole['point']).buffer(self.tools[hole['tool']]["C"] / 2 -
self.options["tooldia"] / 2).exterior
)
def geo_thread(app_obj):
app_obj.new_object("geometry", geo_name, geo_init)
app_obj.progress.emit(100)
# Send to worker
self.app.worker_task.emit({'fcn': geo_thread, 'params': [self.app]})
def on_create_cncjob_button_click(self, *args):
self.app.report_usage("excellon_on_create_cncjob_button")
self.read_form()
# Get the tools from the list
tools = self.get_selected_tools_list()
if len(tools) == 0:
self.app.inform.emit("Please select one or more tools from the list and try again.")
return
job_name = self.options["name"] + "_cnc"
# Object initialization function for app.new_object()
def job_init(job_obj, app_obj):
assert isinstance(job_obj, FlatCAMCNCjob)
app_obj.progress.emit(20)
job_obj.z_cut = self.options["drillz"]
job_obj.z_move = self.options["travelz"]
job_obj.feedrate = self.options["feedrate"]
# There could be more than one drill size...
# job_obj.tooldia = # TODO: duplicate variable!
# job_obj.options["tooldia"] =
tools_csv = ','.join(tools)
job_obj.generate_from_excellon_by_tool(self, tools_csv,
toolchange=self.options["toolchange"],
toolchangez=self.options["toolchangez"])
app_obj.progress.emit(50)
job_obj.gcode_parse()
app_obj.progress.emit(60)
job_obj.create_geometry()
app_obj.progress.emit(80)
# To be run in separate thread
def job_thread(app_obj):
app_obj.new_object("cncjob", job_name, job_init)
app_obj.progress.emit(100)
# Send to worker
# self.app.worker.add_task(job_thread, [self.app])
self.app.worker_task.emit({'fcn': job_thread, 'params': [self.app]})
def on_plot_cb_click(self, *args):
if self.muted_ui:
return
self.read_form_item('plot')
self.plot()
def on_solid_cb_click(self, *args):
if self.muted_ui:
return
self.read_form_item('solid')
self.plot()
def convert_units(self, units):
factor = Excellon.convert_units(self, units)
self.options['drillz'] *= factor
self.options['travelz'] *= factor
self.options['feedrate'] *= factor
def plot(self):
# Does all the required setup and returns False
# if the 'ptint' option is set to False.
if not FlatCAMObj.plot(self):
return
try:
_ = iter(self.solid_geometry)
except TypeError:
self.solid_geometry = [self.solid_geometry]
# Plot excellon (All polygons?)
if self.options["solid"]:
for geo in self.solid_geometry:
patch = PolygonPatch(geo,
facecolor="#C40000",
edgecolor="#750000",
alpha=0.75,
zorder=3)
self.axes.add_patch(patch)
else:
for geo in self.solid_geometry:
x, y = geo.exterior.coords.xy
self.axes.plot(x, y, 'r-')
for ints in geo.interiors:
x, y = ints.coords.xy
self.axes.plot(x, y, 'g-')
self.app.plotcanvas.auto_adjust_axes()
class FlatCAMCNCjob(FlatCAMObj, CNCjob):
"""
Represents G-Code.
"""
ui_type = CNCObjectUI
def __init__(self, name, units="in", kind="generic", z_move=0.1,
feedrate=3.0, z_cut=-0.002, tooldia=0.0):
FlatCAMApp.App.log.debug("Creating CNCJob object...")
CNCjob.__init__(self, units=units, kind=kind, z_move=z_move,
feedrate=feedrate, z_cut=z_cut, tooldia=tooldia)
FlatCAMObj.__init__(self, name)
self.kind = "cncjob"
self.options.update({
"plot": True,
"tooldia": 0.4 / 25.4, # 0.4mm in inches
"append": "",
"prepend": ""
})
# Attributes to be included in serialization
# Always append to it because it carries contents
# from predecessors.
self.ser_attrs += ['options', 'kind']
def set_ui(self, ui):
FlatCAMObj.set_ui(self, ui)
FlatCAMApp.App.log.debug("FlatCAMCNCJob.set_ui()")
assert isinstance(self.ui, CNCObjectUI)
self.form_fields.update({
"plot": self.ui.plot_cb,
"tooldia": self.ui.tooldia_entry,
"append": self.ui.append_text,
"prepend": self.ui.prepend_text
})
self.ui.plot_cb.stateChanged.connect(self.on_plot_cb_click)
self.ui.updateplot_button.clicked.connect(self.on_updateplot_button_click)
self.ui.export_gcode_button.clicked.connect(self.on_exportgcode_button_click)
def on_updateplot_button_click(self, *args):
"""
Callback for the "Updata Plot" button. Reads the form for updates
and plots the object.
"""
self.read_form()
self.plot()
def on_exportgcode_button_click(self, *args):
self.app.report_usage("cncjob_on_exportgcode_button")
try:
filename = QtGui.QFileDialog.getSaveFileName(caption="Export G-Code ...",
directory=self.app.defaults["last_folder"])
except TypeError:
filename = QtGui.QFileDialog.getSaveFileName(caption="Export G-Code ...")
preamble = str(self.ui.prepend_text.get_value())
postamble = str(self.ui.append_text.get_value())
self.export_gcode(filename, preamble=preamble, postamble=postamble)
def export_gcode(self, filename, preamble='', postamble=''):
f = open(filename, 'w')
f.write(preamble + '\n' + self.gcode + "\n" + postamble)
f.close()
self.app.file_opened.emit("cncjob", filename)
self.app.inform.emit("Saved to: " + filename)
def on_plot_cb_click(self, *args):
if self.muted_ui:
return
self.read_form_item('plot')
self.plot()
def plot(self):
# Does all the required setup and returns False
# if the 'ptint' option is set to False.
if not FlatCAMObj.plot(self):
return
self.plot2(self.axes, tooldia=self.options["tooldia"])
self.app.plotcanvas.auto_adjust_axes()
def convert_units(self, units):
factor = CNCjob.convert_units(self, units)
FlatCAMApp.App.log.debug("FlatCAMCNCjob.convert_units()")
self.options["tooldia"] *= factor
class FlatCAMGeometry(FlatCAMObj, Geometry):
"""
Geometric object not associated with a specific
format.
"""
ui_type = GeometryObjectUI
@staticmethod
def merge(geo_list, geo_final):
"""
Merges the geometry of objects in geo_list into
the geometry of geo_final.
:param geo_list: List of FlatCAMGeometry Objects to join.
:param geo_final: Destination FlatCAMGeometry object.
:return: None
"""
if geo_final.solid_geometry is None:
geo_final.solid_geometry = []
if type(geo_final.solid_geometry) is not list:
geo_final.solid_geometry = [geo_final.solid_geometry]
for geo in geo_list:
# Expand lists
if type(geo) is list:
FlatCAMGeometry.merge(geo, geo_final)
# If not list, just append
else:
geo_final.solid_geometry.append(geo.solid_geometry)
# try: # Iterable
# for shape in geo.solid_geometry:
# geo_final.solid_geometry.append(shape)
#
# except TypeError: # Non-iterable
# geo_final.solid_geometry.append(geo.solid_geometry)
def __init__(self, name):
FlatCAMObj.__init__(self, name)
Geometry.__init__(self)
self.kind = "geometry"
self.options.update({
"plot": True,
"cutz": -0.002,
"travelz": 0.1,
"feedrate": 5.0,
"cnctooldia": 0.4 / 25.4,
"painttooldia": 0.0625,
"paintoverlap": 0.15,
"paintmargin": 0.01,
"paintmethod": "standard"
})
# Attributes to be included in serialization
# Always append to it because it carries contents
# from predecessors.
self.ser_attrs += ['options', 'kind']
def build_ui(self):
FlatCAMObj.build_ui(self)
def set_ui(self, ui):
FlatCAMObj.set_ui(self, ui)
FlatCAMApp.App.log.debug("FlatCAMGeometry.set_ui()")
assert isinstance(self.ui, GeometryObjectUI)
self.form_fields.update({
"plot": self.ui.plot_cb,
"cutz": self.ui.cutz_entry,
"travelz": self.ui.travelz_entry,
"feedrate": self.ui.cncfeedrate_entry,
"cnctooldia": self.ui.cnctooldia_entry,
"painttooldia": self.ui.painttooldia_entry,
"paintoverlap": self.ui.paintoverlap_entry,
"paintmargin": self.ui.paintmargin_entry,
"paintmethod": self.ui.paintmethod_combo
})
self.ui.plot_cb.stateChanged.connect(self.on_plot_cb_click)
self.ui.generate_cnc_button.clicked.connect(self.on_generatecnc_button_click)
self.ui.generate_paint_button.clicked.connect(self.on_paint_button_click)
def on_paint_button_click(self, *args):
self.app.report_usage("geometry_on_paint_button")
self.app.info("Click inside the desired polygon.")
self.read_form()
tooldia = self.options["painttooldia"]
overlap = self.options["paintoverlap"]
# Connection ID for the click event
subscription = None
# To be called after clicking on the plot.
def doit(event):
self.app.info("Painting polygon...")
self.app.plotcanvas.mpl_disconnect(subscription)
point = [event.xdata, event.ydata]
self.paint_poly(point, tooldia, overlap)
subscription = self.app.plotcanvas.mpl_connect('button_press_event', doit)
def paint_poly(self, inside_pt, tooldia, overlap):
# Which polygon.
#poly = find_polygon(self.solid_geometry, inside_pt)
poly = self.find_polygon(inside_pt)
# No polygon?
if poly is None:
self.app.log.warning('No polygon found.')
self.app.inform.emit('[warning] No polygon found.')
return
proc = self.app.proc_container.new("Painting polygon.")
# Initializes the new geometry object
def gen_paintarea(geo_obj, app_obj):
assert isinstance(geo_obj, FlatCAMGeometry)
#assert isinstance(app_obj, App)
if self.options["paintmethod"] == "seed":
cp = self.clear_polygon2(poly.buffer(-self.options["paintmargin"]), tooldia, overlap=overlap)
else:
cp = self.clear_polygon(poly.buffer(-self.options["paintmargin"]), tooldia, overlap=overlap)
geo_obj.solid_geometry = list(cp.get_objects())
geo_obj.options["cnctooldia"] = tooldia
self.app.inform.emit("Done.")
def job_thread(app_obj):
try:
name = self.options["name"] + "_paint"
app_obj.new_object("geometry", name, gen_paintarea)
except Exception as e:
proc.done()
raise e
proc.done()
self.app.inform.emit("Polygon Paint started ...")
self.app.worker_task.emit({'fcn': job_thread, 'params': [self.app]})
def on_generatecnc_button_click(self, *args):
self.app.report_usage("geometry_on_generatecnc_button")
self.read_form()
self.generatecncjob()
def generatecncjob(self, z_cut=None, z_move=None,
feedrate=None, tooldia=None, outname=None):
outname = outname if outname is not None else self.options["name"] + "_cnc"
z_cut = z_cut if z_cut is not None else self.options["cutz"]
z_move = z_move if z_move is not None else self.options["travelz"]
feedrate = feedrate if feedrate is not None else self.options["feedrate"]
tooldia = tooldia if tooldia is not None else self.options["cnctooldia"]
# Object initialization function for app.new_object()
# RUNNING ON SEPARATE THREAD!
def job_init(job_obj, app_obj):
assert isinstance(job_obj, FlatCAMCNCjob)
# Propagate options
job_obj.options["tooldia"] = tooldia
app_obj.progress.emit(20)
job_obj.z_cut = z_cut
job_obj.z_move = z_move
job_obj.feedrate = feedrate
app_obj.progress.emit(40)
# TODO: The tolerance should not be hard coded. Just for testing.
job_obj.generate_from_geometry_2(self, tolerance=0.0005)
app_obj.progress.emit(50)
job_obj.gcode_parse()
app_obj.progress.emit(80)
# To be run in separate thread
def job_thread(app_obj):
with self.app.proc_container.new("Generating CNC Job."):
app_obj.new_object("cncjob", outname, job_init)
app_obj.inform.emit("CNCjob created: %s" % outname)
app_obj.progress.emit(100)
# Send to worker
self.app.worker_task.emit({'fcn': job_thread, 'params': [self.app]})
def on_plot_cb_click(self, *args): # TODO: args not needed
if self.muted_ui:
return
self.read_form_item('plot')
self.plot()
def scale(self, factor):
"""
Scales all geometry by a given factor.
:param factor: Factor by which to scale the object's geometry/
:type factor: float
:return: None
:rtype: None
"""
if type(self.solid_geometry) == list:
self.solid_geometry = [affinity.scale(g, factor, factor, origin=(0, 0))
for g in self.solid_geometry]
else:
self.solid_geometry = affinity.scale(self.solid_geometry, factor, factor,
origin=(0, 0))
def offset(self, vect):
"""
Offsets all geometry by a given vector/
:param vect: (x, y) vector by which to offset the object's geometry.
:type vect: tuple
:return: None
:rtype: None
"""
dx, dy = vect
if type(self.solid_geometry) == list:
self.solid_geometry = [affinity.translate(g, xoff=dx, yoff=dy)
for g in self.solid_geometry]
else:
self.solid_geometry = affinity.translate(self.solid_geometry, xoff=dx, yoff=dy)
def convert_units(self, units):
factor = Geometry.convert_units(self, units)
self.options['cutz'] *= factor
self.options['travelz'] *= factor
self.options['feedrate'] *= factor
self.options['cnctooldia'] *= factor
self.options['painttooldia'] *= factor
self.options['paintmargin'] *= factor
return factor
def plot_element(self, element):
try:
for sub_el in element:
self.plot_element(sub_el)
except TypeError: # Element is not iterable...
if type(element) == Polygon:
x, y = element.exterior.coords.xy
self.axes.plot(x, y, 'r-')
for ints in element.interiors:
x, y = ints.coords.xy
self.axes.plot(x, y, 'r-')
return
if type(element) == LineString or type(element) == LinearRing:
x, y = element.coords.xy
self.axes.plot(x, y, 'r-')
return
FlatCAMApp.App.log.warning("Did not plot:" + str(type(element)))
def plot(self):
"""
Plots the object into its axes. If None, of if the axes
are not part of the app's figure, it fetches new ones.
:return: None
"""
# Does all the required setup and returns False
# if the 'ptint' option is set to False.
if not FlatCAMObj.plot(self):
return
# Make sure solid_geometry is iterable.
# TODO: This method should not modify the object !!!
# try:
# _ = iter(self.solid_geometry)
# except TypeError:
# if self.solid_geometry is None:
# self.solid_geometry = []
# else:
# self.solid_geometry = [self.solid_geometry]
#
# for geo in self.solid_geometry:
#
# if type(geo) == Polygon:
# x, y = geo.exterior.coords.xy
# self.axes.plot(x, y, 'r-')
# for ints in geo.interiors:
# x, y = ints.coords.xy
# self.axes.plot(x, y, 'r-')
# continue
#
# if type(geo) == LineString or type(geo) == LinearRing:
# x, y = geo.coords.xy
# self.axes.plot(x, y, 'r-')
# continue
#
# if type(geo) == MultiPolygon:
# for poly in geo:
# x, y = poly.exterior.coords.xy
# self.axes.plot(x, y, 'r-')
# for ints in poly.interiors:
# x, y = ints.coords.xy
# self.axes.plot(x, y, 'r-')
# continue
#
# FlatCAMApp.App.log.warning("Did not plot:", str(type(geo)))
self.plot_element(self.solid_geometry)
self.app.plotcanvas.auto_adjust_axes()