# ##########################################################
# FlatCAM: 2D Post-processing for Manufacturing #
# File Author: Marius Adrian Stanciu (c) #
# Date: 3/10/2019 #
# MIT Licence #
# ##########################################################
from FlatCAMTool import FlatCAMTool
from FlatCAMObj import *
from flatcamGUI.VisPyVisuals import *
from math import sqrt
import gettext
import FlatCAMTranslation as fcTranslate
import builtins
fcTranslate.apply_language('strings')
if '_' not in builtins.__dict__:
_ = gettext.gettext
class Distance(FlatCAMTool):
toolName = _("Distance Tool")
def __init__(self, app):
FlatCAMTool.__init__(self, app)
self.app = app
self.canvas = self.app.plotcanvas
self.units = self.app.ui.general_defaults_form.general_app_group.units_radio.get_value().lower()
# ## Title
title_label = QtWidgets.QLabel("%s
" % self.toolName)
self.layout.addWidget(title_label)
# ## Form Layout
form_layout = QtWidgets.QFormLayout()
self.layout.addLayout(form_layout)
self.units_label = QtWidgets.QLabel('%s:' % _("Units"))
self.units_label.setToolTip(_("Those are the units in which the distance is measured."))
self.units_value = QtWidgets.QLabel("%s" % str({'mm': _("METRIC (mm)"), 'in': _("INCH (in)")}[self.units]))
self.units_value.setDisabled(True)
self.start_label = QtWidgets.QLabel("%s:" % _('Start Coords'))
self.start_label.setToolTip(_("This is measuring Start point coordinates."))
self.stop_label = QtWidgets.QLabel("%s:" % _('Stop Coords'))
self.stop_label.setToolTip(_("This is the measuring Stop point coordinates."))
self.distance_x_label = QtWidgets.QLabel('%s:' % _("Dx"))
self.distance_x_label.setToolTip(_("This is the distance measured over the X axis."))
self.distance_y_label = QtWidgets.QLabel('%s:' % _("Dy"))
self.distance_y_label.setToolTip(_("This is the distance measured over the Y axis."))
self.angle_label = QtWidgets.QLabel('%s:' % _("Angle"))
self.angle_label.setToolTip(_("This is orientation angle of the measuring line."))
self.total_distance_label = QtWidgets.QLabel("%s:" % _('DISTANCE'))
self.total_distance_label.setToolTip(_("This is the point to point Euclidian distance."))
self.start_entry = FCEntry()
self.start_entry.setReadOnly(True)
self.start_entry.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.start_entry.setToolTip(_("This is measuring Start point coordinates."))
self.stop_entry = FCEntry()
self.stop_entry.setReadOnly(True)
self.stop_entry.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.stop_entry.setToolTip(_("This is the measuring Stop point coordinates."))
self.distance_x_entry = FCEntry()
self.distance_x_entry.setReadOnly(True)
self.distance_x_entry.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.distance_x_entry.setToolTip(_("This is the distance measured over the X axis."))
self.distance_y_entry = FCEntry()
self.distance_y_entry.setReadOnly(True)
self.distance_y_entry.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.distance_y_entry.setToolTip(_("This is the distance measured over the Y axis."))
self.angle_entry = FCEntry()
self.angle_entry.setReadOnly(True)
self.angle_entry.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.angle_entry.setToolTip(_("This is orientation angle of the measuring line."))
self.total_distance_entry = FCEntry()
self.total_distance_entry.setReadOnly(True)
self.total_distance_entry.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.total_distance_entry.setToolTip(_("This is the point to point Euclidian distance."))
self.measure_btn = QtWidgets.QPushButton(_("Measure"))
# self.measure_btn.setFixedWidth(70)
self.layout.addWidget(self.measure_btn)
form_layout.addRow(self.units_label, self.units_value)
form_layout.addRow(self.start_label, self.start_entry)
form_layout.addRow(self.stop_label, self.stop_entry)
form_layout.addRow(self.distance_x_label, self.distance_x_entry)
form_layout.addRow(self.distance_y_label, self.distance_y_entry)
form_layout.addRow(self.angle_label, self.angle_entry)
form_layout.addRow(self.total_distance_label, self.total_distance_entry)
# initial view of the layout
self.start_entry.set_value('(0, 0)')
self.stop_entry.set_value('(0, 0)')
self.distance_x_entry.set_value('0.0')
self.distance_y_entry.set_value('0.0')
self.angle_entry.set_value('0.0')
self.total_distance_entry.set_value('0.0')
self.layout.addStretch()
# store here the first click and second click of the measurement process
self.points = []
self.rel_point1 = None
self.rel_point2 = None
self.active = False
self.clicked_meas = None
self.meas_line = None
self.original_call_source = 'app'
# store here the event connection ID's
self.mm = None
self.mr = None
self.decimals = 4
# VisPy visuals
if self.app.is_legacy is False:
self.sel_shapes = ShapeCollection(parent=self.app.plotcanvas.view.scene, layers=1)
else:
from flatcamGUI.PlotCanvasLegacy import ShapeCollectionLegacy
self.sel_shapes = ShapeCollectionLegacy(obj=self, app=self.app, name='measurement')
self.measure_btn.clicked.connect(self.activate_measure_tool)
def run(self, toggle=False):
self.app.report_usage("ToolDistance()")
self.points[:] = []
self.rel_point1 = None
self.rel_point2 = None
if self.app.tool_tab_locked is True:
return
self.app.ui.notebook.setTabText(2, _("Distance Tool"))
# if the splitter is hidden, display it
if self.app.ui.splitter.sizes()[0] == 0:
self.app.ui.splitter.setSizes([1, 1])
if toggle:
pass
if self.active is False:
self.activate_measure_tool()
else:
self.deactivate_measure_tool()
def install(self, icon=None, separator=None, **kwargs):
FlatCAMTool.install(self, icon, separator, shortcut='CTRL+M', **kwargs)
def set_tool_ui(self):
# Remove anything else in the GUI
self.app.ui.tool_scroll_area.takeWidget()
# Put ourself in the GUI
self.app.ui.tool_scroll_area.setWidget(self)
# Switch notebook to tool page
self.app.ui.notebook.setCurrentWidget(self.app.ui.tool_tab)
self.units = self.app.ui.general_defaults_form.general_app_group.units_radio.get_value().lower()
self.app.command_active = "Distance"
# initial view of the layout
self.start_entry.set_value('(0, 0)')
self.stop_entry.set_value('(0, 0)')
self.distance_x_entry.set_value('0.0')
self.distance_y_entry.set_value('0.0')
self.angle_entry.set_value('0.0')
self.total_distance_entry.set_value('0.0')
log.debug("Distance Tool --> tool initialized")
def activate_measure_tool(self):
# ENABLE the Measuring TOOL
self.active = True
self.clicked_meas = 0
self.original_call_source = copy(self.app.call_source)
self.app.inform.emit(_("MEASURING: Click on the Start point ..."))
self.units = self.app.ui.general_defaults_form.general_app_group.units_radio.get_value().lower()
# we can connect the app mouse events to the measurement tool
# NEVER DISCONNECT THOSE before connecting some other handlers; it breaks something in VisPy
self.mm = self.canvas.graph_event_connect('mouse_move', self.on_mouse_move_meas)
self.mr = self.canvas.graph_event_connect('mouse_release', self.on_mouse_click_release)
# we disconnect the mouse/key handlers from wherever the measurement tool was called
if self.app.call_source == 'app':
if self.app.is_legacy is False:
self.canvas.graph_event_disconnect('mouse_move', self.app.on_mouse_move_over_plot)
self.canvas.graph_event_disconnect('mouse_press', self.app.on_mouse_click_over_plot)
self.canvas.graph_event_disconnect('mouse_release', self.app.on_mouse_click_release_over_plot)
else:
self.canvas.graph_event_disconnect(self.app.mm)
self.canvas.graph_event_disconnect(self.app.mp)
self.canvas.graph_event_disconnect(self.app.mr)
elif self.app.call_source == 'geo_editor':
if self.app.is_legacy is False:
self.canvas.graph_event_disconnect('mouse_move', self.app.geo_editor.on_canvas_move)
self.canvas.graph_event_disconnect('mouse_press', self.app.geo_editor.on_canvas_click)
self.canvas.graph_event_disconnect('mouse_release', self.app.geo_editor.on_geo_click_release)
else:
self.canvas.graph_event_disconnect(self.app.geo_editor.mm)
self.canvas.graph_event_disconnect(self.app.geo_editor.mp)
self.canvas.graph_event_disconnect(self.app.geo_editor.mr)
elif self.app.call_source == 'exc_editor':
if self.app.is_legacy is False:
self.canvas.graph_event_disconnect('mouse_move', self.app.exc_editor.on_canvas_move)
self.canvas.graph_event_disconnect('mouse_press', self.app.exc_editor.on_canvas_click)
self.canvas.graph_event_disconnect('mouse_release', self.app.exc_editor.on_exc_click_release)
else:
self.canvas.graph_event_disconnect(self.app.exc_editor.mm)
self.canvas.graph_event_disconnect(self.app.exc_editor.mp)
self.canvas.graph_event_disconnect(self.app.exc_editor.mr)
elif self.app.call_source == 'grb_editor':
if self.app.is_legacy is False:
self.canvas.graph_event_disconnect('mouse_move', self.app.grb_editor.on_canvas_move)
self.canvas.graph_event_disconnect('mouse_press', self.app.grb_editor.on_canvas_click)
self.canvas.graph_event_disconnect('mouse_release', self.app.grb_editor.on_grb_click_release)
else:
self.canvas.graph_event_disconnect(self.app.grb_editor.mm)
self.canvas.graph_event_disconnect(self.app.grb_editor.mp)
self.canvas.graph_event_disconnect(self.app.grb_editor.mr)
self.app.call_source = 'measurement'
self.set_tool_ui()
def deactivate_measure_tool(self):
# DISABLE the Measuring TOOL
self.active = False
self.points = []
self.app.call_source = copy(self.original_call_source)
if self.original_call_source == 'app':
self.app.mm = self.canvas.graph_event_connect('mouse_move', self.app.on_mouse_move_over_plot)
self.app.mp = self.canvas.graph_event_connect('mouse_press', self.app.on_mouse_click_over_plot)
self.app.mr = self.canvas.graph_event_connect('mouse_release', self.app.on_mouse_click_release_over_plot)
elif self.original_call_source == 'geo_editor':
self.app.geo_editor.mm = self.canvas.graph_event_connect('mouse_move', self.app.geo_editor.on_canvas_move)
self.app.geo_editor.mp = self.canvas.graph_event_connect('mouse_press', self.app.geo_editor.on_canvas_click)
self.app.geo_editor.mr = self.canvas.graph_event_connect('mouse_release',
self.app.geo_editor.on_geo_click_release)
elif self.original_call_source == 'exc_editor':
self.app.exc_editor.mm = self.canvas.graph_event_connect('mouse_move', self.app.exc_editor.on_canvas_move)
self.app.exc_editor.mp = self.canvas.graph_event_connect('mouse_press', self.app.exc_editor.on_canvas_click)
self.app.exc_editor.mr = self.canvas.graph_event_connect('mouse_release',
self.app.exc_editor.on_exc_click_release)
elif self.original_call_source == 'grb_editor':
self.app.grb_editor.mm = self.canvas.graph_event_connect('mouse_move', self.app.grb_editor.on_canvas_move)
self.app.grb_editor.mp = self.canvas.graph_event_connect('mouse_press', self.app.grb_editor.on_canvas_click)
self.app.grb_editor.mr = self.canvas.graph_event_connect('mouse_release',
self.app.grb_editor.on_grb_click_release)
# disconnect the mouse/key events from functions of measurement tool
if self.app.is_legacy is False:
self.canvas.graph_event_disconnect('mouse_move', self.on_mouse_move_meas)
self.canvas.graph_event_disconnect('mouse_release', self.on_mouse_click_release)
else:
self.canvas.graph_event_disconnect(self.mm)
self.canvas.graph_event_disconnect(self.mr)
# self.app.ui.notebook.setTabText(2, _("Tools"))
# self.app.ui.notebook.setCurrentWidget(self.app.ui.project_tab)
self.app.command_active = None
# delete the measuring line
self.delete_shape()
log.debug("Distance Tool --> exit tool")
def on_mouse_click_release(self, event):
# mouse click releases will be accepted only if the left button is clicked
# this is necessary because right mouse click or middle mouse click
# are used for panning on the canvas
log.debug("Distance Tool --> mouse click release")
if event.button == 1:
if self.app.is_legacy is False:
event_pos = event.pos
else:
event_pos = (event.xdata, event.ydata)
pos_canvas = self.canvas.translate_coords(event_pos)
# if GRID is active we need to get the snapped positions
if self.app.grid_status() == True:
pos = self.app.geo_editor.snap(pos_canvas[0], pos_canvas[1])
else:
pos = pos_canvas[0], pos_canvas[1]
self.points.append(pos)
# Reset here the relative coordinates so there is a new reference on the click position
if self.rel_point1 is None:
self.app.ui.rel_position_label.setText("Dx: %.*f Dy: "
"%.*f " %
(self.decimals, 0.0, self.decimals, 0.0))
self.rel_point1 = pos
else:
self.rel_point2 = copy(self.rel_point1)
self.rel_point1 = pos
if len(self.points) == 1:
self.start_entry.set_value("(%.*f, %.*f)" % (self.decimals, pos[0], self.decimals, pos[1]))
self.app.inform.emit(_("MEASURING: Click on the Destination point ..."))
elif len(self.points) == 2:
dx = self.points[1][0] - self.points[0][0]
dy = self.points[1][1] - self.points[0][1]
d = sqrt(dx ** 2 + dy ** 2)
self.stop_entry.set_value("(%.*f, %.*f)" % (self.decimals, pos[0], self.decimals, pos[1]))
self.app.inform.emit(_("MEASURING: Result D(x) = {d_x} | D(y) = {d_y} | Distance = {d_z}").format(
d_x='%*f' % (self.decimals, abs(dx)),
d_y='%*f' % (self.decimals, abs(dy)),
d_z='%*f' % (self.decimals, abs(d)))
)
self.distance_x_entry.set_value('%.*f' % (self.decimals, abs(dx)))
self.distance_y_entry.set_value('%.*f' % (self.decimals, abs(dy)))
try:
angle = math.degrees(math.atan(dy / dx))
self.angle_entry.set_value('%.*f' % (self.decimals, angle))
except Exception as e:
pass
self.total_distance_entry.set_value('%.*f' % (self.decimals, abs(d)))
self.app.ui.rel_position_label.setText(
"Dx: {} Dy: {} ".format(
'%.*f' % (self.decimals, pos[0]), '%.*f' % (self.decimals, pos[1])
)
)
self.deactivate_measure_tool()
def on_mouse_move_meas(self, event):
try: # May fail in case mouse not within axes
if self.app.is_legacy is False:
event_pos = event.pos
else:
event_pos = (event.xdata, event.ydata)
try:
x = float(event_pos[0])
y = float(event_pos[1])
except TypeError:
return
pos_canvas = self.app.plotcanvas.translate_coords((x, y))
if self.app.grid_status() == True:
pos = self.app.geo_editor.snap(pos_canvas[0], pos_canvas[1])
# Update cursor
self.app.app_cursor.set_data(np.asarray([(pos[0], pos[1])]),
symbol='++', edge_color=self.app.cursor_color_3D,
size=self.app.defaults["global_cursor_size"])
else:
pos = (pos_canvas[0], pos_canvas[1])
self.app.ui.position_label.setText(
" X: {} Y: {}".format(
'%.*f' % (self.decimals, pos[0]), '%.*f' % (self.decimals, pos[1])
)
)
if self.rel_point1 is not None:
dx = pos[0] - float(self.rel_point1[0])
dy = pos[1] - float(self.rel_point1[1])
else:
dx = pos[0]
dy = pos[1]
self.app.ui.rel_position_label.setText(
"Dx: {} Dy: {} ".format(
'%.*f' % (self.decimals, dx), '%.*f' % (self.decimals, dy)
)
)
# update utility geometry
if len(self.points) == 1:
self.utility_geometry(pos=pos)
# and display the temporary angle
try:
angle = math.degrees(math.atan(dy / dx))
self.angle_entry.set_value('%.*f' % (self.decimals, angle))
except Exception as e:
pass
except Exception as e:
log.debug("Distance.on_mouse_move_meas() --> %s" % str(e))
self.app.ui.position_label.setText("")
self.app.ui.rel_position_label.setText("")
def utility_geometry(self, pos):
# first delete old shape
self.delete_shape()
# second draw the new shape of the utility geometry
meas_line = LineString([pos, self.points[0]])
settings = QtCore.QSettings("Open Source", "FlatCAM")
if settings.contains("theme"):
theme = settings.value('theme', type=str)
else:
theme = 'white'
if theme == 'white':
color = '#000000FF'
else:
color = '#FFFFFFFF'
self.sel_shapes.add(meas_line, color=color, update=True, layer=0, tolerance=None)
if self.app.is_legacy is True:
self.sel_shapes.redraw()
def delete_shape(self):
self.sel_shapes.clear()
self.sel_shapes.redraw()
def set_meas_units(self, units):
self.meas.units_label.setText("[" + self.app.options["units"].lower() + "]")
# end of file