# Copyright (c) 2015 Ultimaker B.V. # Cura is released under the terms of the AGPLv3 or higher. from UM.View.Renderer import Renderer from UM.Scene.SceneNode import SceneNode from UM.Application import Application from UM.Resources import Resources from UM.Mesh.MeshData import MeshData from UM.Mesh.MeshBuilder import MeshBuilder from UM.Math.Vector import Vector from UM.Math.Color import Color from UM.Math.AxisAlignedBox import AxisAlignedBox from UM.Math.Polygon import Polygon from UM.View.RenderBatch import RenderBatch from UM.View.GL.OpenGL import OpenGL import numpy class BuildVolume(SceneNode): VolumeOutlineColor = Color(12, 169, 227, 255) def __init__(self, parent = None): super().__init__(parent) self._width = 0 self._height = 0 self._depth = 0 self._shader = None self._grid_mesh = None self._grid_shader = None self._disallowed_areas = [] self._disallowed_area_mesh = None self.setCalculateBoundingBox(False) self._active_profile = None self._active_instance = None Application.getInstance().getMachineManager().activeMachineInstanceChanged.connect(self._onActiveInstanceChanged) self._onActiveInstanceChanged() Application.getInstance().getMachineManager().activeProfileChanged.connect(self._onActiveProfileChanged) self._onActiveProfileChanged() def setWidth(self, width): if width: self._width = width def setHeight(self, height): if height: self._height = height def setDepth(self, depth): if depth: self._depth = depth def getDisallowedAreas(self): return self._disallowed_areas def setDisallowedAreas(self, areas): self._disallowed_areas = areas def render(self, renderer): if not self.getMeshData(): return True if not self._shader: self._shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "default.shader")) self._grid_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "grid.shader")) renderer.queueNode(self, mode = RenderBatch.RenderMode.Lines) renderer.queueNode(self, mesh = self._grid_mesh, shader = self._grid_shader, backface_cull = True) if self._disallowed_area_mesh: renderer.queueNode(self, mesh = self._disallowed_area_mesh, shader = self._shader, transparent = True, backface_cull = True, sort = -9) return True def rebuild(self): if self._width == 0 or self._height == 0 or self._depth == 0: return min_w = -self._width / 2 max_w = self._width / 2 min_h = 0.0 max_h = self._height min_d = -self._depth / 2 max_d = self._depth / 2 mb = MeshBuilder() mb.addLine(Vector(min_w, min_h, min_d), Vector(max_w, min_h, min_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, max_h, min_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, max_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor) mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, max_h, min_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, min_h, max_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, min_h, max_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, max_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(max_w, min_h, max_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, min_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, min_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(min_w, max_h, min_d), Vector(min_w, max_h, max_d), color = self.VolumeOutlineColor) mb.addLine(Vector(max_w, max_h, min_d), Vector(max_w, max_h, max_d), color = self.VolumeOutlineColor) self.setMeshData(mb.getData()) mb = MeshBuilder() mb.addQuad( Vector(min_w, min_h - 0.2, min_d), Vector(max_w, min_h - 0.2, min_d), Vector(max_w, min_h - 0.2, max_d), Vector(min_w, min_h - 0.2, max_d) ) self._grid_mesh = mb.getData() for n in range(0, 6): v = self._grid_mesh.getVertex(n) self._grid_mesh.setVertexUVCoordinates(n, v[0], v[2]) disallowed_area_height = 0.1 disallowed_area_size = 0 if self._disallowed_areas: mb = MeshBuilder() color = Color(0.0, 0.0, 0.0, 0.15) for polygon in self._disallowed_areas: points = polygon.getPoints() first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d)) previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d)) for point in points: new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height, self._clamp(point[1], min_d, max_d)) mb.addFace(first, previous_point, new_point, color = color) previous_point = new_point # Find the largest disallowed area to exclude it from the maximum scale bounds. # This is a very nasty hack. This pretty much only works for UM machines. This disallowed area_size needs # A -lot- of rework at some point in the future: TODO if numpy.min(points[:, 1]) >= 0: # This filters out all areas that have points to the left of the centre. This is done to filter the skirt area. size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1])) else: size = 0 disallowed_area_size = max(size, disallowed_area_size) self._disallowed_area_mesh = mb.getData() else: self._disallowed_area_mesh = None self._aabb = AxisAlignedBox(minimum = Vector(min_w, min_h - 1.0, min_d), maximum = Vector(max_w, max_h, max_d)) skirt_size = 0.0 profile = Application.getInstance().getMachineManager().getWorkingProfile() if profile: skirt_size = self._getSkirtSize(profile) # As this works better for UM machines, we only add the dissallowed_area_size for the z direction. # This is probably wrong in all other cases. TODO! # The +1 and -1 is added as there is always a bit of extra room required to work properly. scale_to_max_bounds = AxisAlignedBox( minimum = Vector(min_w + skirt_size + 1, min_h, min_d + disallowed_area_size - skirt_size + 1), maximum = Vector(max_w - skirt_size - 1, max_h, max_d - disallowed_area_size + skirt_size - 1) ) Application.getInstance().getController().getScene()._maximum_bounds = scale_to_max_bounds def _onActiveInstanceChanged(self): self._active_instance = Application.getInstance().getMachineManager().getActiveMachineInstance() if self._active_instance: self._width = self._active_instance.getMachineSettingValue("machine_width") if Application.getInstance().getMachineManager().getWorkingProfile().getSettingValue("print_sequence") == "one_at_a_time": self._height = Application.getInstance().getMachineManager().getWorkingProfile().getSettingValue("gantry_height") else: self._height = self._active_instance.getMachineSettingValue("machine_height") self._depth = self._active_instance.getMachineSettingValue("machine_depth") self._updateDisallowedAreas() self.rebuild() def _onActiveProfileChanged(self): if self._active_profile: self._active_profile.settingValueChanged.disconnect(self._onSettingValueChanged) self._active_profile = Application.getInstance().getMachineManager().getWorkingProfile() if self._active_profile: self._active_profile.settingValueChanged.connect(self._onSettingValueChanged) self._updateDisallowedAreas() self.rebuild() def _onSettingValueChanged(self, setting_key): if setting_key == "print_sequence": if Application.getInstance().getMachineManager().getWorkingProfile().getSettingValue("print_sequence") == "one_at_a_time": self._height = Application.getInstance().getMachineManager().getWorkingProfile().getSettingValue("gantry_height") else: self._height = self._active_instance.getMachineSettingValue("machine_depth") self.rebuild() if setting_key in self._skirt_settings: self._updateDisallowedAreas() self.rebuild() def _updateDisallowedAreas(self): if not self._active_instance or not self._active_profile: return disallowed_areas = self._active_instance.getMachineSettingValue("machine_disallowed_areas") areas = [] skirt_size = 0.0 if self._active_profile: skirt_size = self._getSkirtSize(self._active_profile) if disallowed_areas: # Extend every area already in the disallowed_areas with the skirt size. for area in disallowed_areas: poly = Polygon(numpy.array(area, numpy.float32)) poly = poly.getMinkowskiHull(Polygon(numpy.array([ [-skirt_size, 0], [-skirt_size * 0.707, skirt_size * 0.707], [0, skirt_size], [skirt_size * 0.707, skirt_size * 0.707], [skirt_size, 0], [skirt_size * 0.707, -skirt_size * 0.707], [0, -skirt_size], [-skirt_size * 0.707, -skirt_size * 0.707] ], numpy.float32))) areas.append(poly) # Add the skirt areas arround the borders of the build plate. if skirt_size > 0: half_machine_width = self._active_instance.getMachineSettingValue("machine_width") / 2 half_machine_depth = self._active_instance.getMachineSettingValue("machine_depth") / 2 areas.append(Polygon(numpy.array([ [-half_machine_width, -half_machine_depth], [-half_machine_width, half_machine_depth], [-half_machine_width + skirt_size, half_machine_depth - skirt_size], [-half_machine_width + skirt_size, -half_machine_depth + skirt_size] ], numpy.float32))) areas.append(Polygon(numpy.array([ [half_machine_width, half_machine_depth], [half_machine_width, -half_machine_depth], [half_machine_width - skirt_size, -half_machine_depth + skirt_size], [half_machine_width - skirt_size, half_machine_depth - skirt_size] ], numpy.float32))) areas.append(Polygon(numpy.array([ [-half_machine_width, half_machine_depth], [half_machine_width, half_machine_depth], [half_machine_width - skirt_size, half_machine_depth - skirt_size], [-half_machine_width + skirt_size, half_machine_depth - skirt_size] ], numpy.float32))) areas.append(Polygon(numpy.array([ [half_machine_width, -half_machine_depth], [-half_machine_width, -half_machine_depth], [-half_machine_width + skirt_size, -half_machine_depth + skirt_size], [half_machine_width - skirt_size, -half_machine_depth + skirt_size] ], numpy.float32))) self._disallowed_areas = areas def _getSkirtSize(self, profile): skirt_size = 0.0 adhesion_type = profile.getSettingValue("adhesion_type") if adhesion_type == "skirt": skirt_distance = profile.getSettingValue("skirt_gap") skirt_line_count = profile.getSettingValue("skirt_line_count") skirt_size = skirt_distance + (skirt_line_count * profile.getSettingValue("skirt_line_width")) elif adhesion_type == "brim": skirt_size = profile.getSettingValue("brim_line_count") * profile.getSettingValue("skirt_line_width") elif adhesion_type == "raft": skirt_size = profile.getSettingValue("raft_margin") if profile.getSettingValue("draft_shield_enabled"): skirt_size += profile.getSettingValue("draft_shield_dist") if profile.getSettingValue("xy_offset"): skirt_size += profile.getSettingValue("xy_offset") return skirt_size def _clamp(self, value, min_value, max_value): return max(min(value, max_value), min_value) _skirt_settings = ["adhesion_type", "skirt_gap", "skirt_line_count", "skirt_line_width", "brim_width", "brim_line_count", "raft_margin", "draft_shield_enabled", "draft_shield_dist", "xy_offset"]