Cura/cura/BuildVolume.py
2015-11-05 13:47:35 +01:00

274 lines
12 KiB
Python

# 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
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._material = None
self._grid_mesh = None
self._grid_material = 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._material:
self._material = renderer.createMaterial(
Resources.getPath(Resources.Shaders, "basic.vert"),
Resources.getPath(Resources.Shaders, "vertexcolor.frag")
)
self._grid_material = renderer.createMaterial(
Resources.getPath(Resources.Shaders, "basic.vert"),
Resources.getPath(Resources.Shaders, "grid.frag")
)
self._grid_material.setUniformValue("u_gridColor0", Color(245, 245, 245, 255))
self._grid_material.setUniformValue("u_gridColor1", Color(205, 202, 201, 255))
renderer.queueNode(self, material = self._material, mode = Renderer.RenderLines)
renderer.queueNode(self, mesh = self._grid_mesh, material = self._grid_material, force_single_sided = True)
if self._disallowed_area_mesh:
renderer.queueNode(self, mesh = self._disallowed_area_mesh, material = self._material, transparent = True)
return True
def rebuild(self):
if self._width == 0 or self._height == 0 or self._depth == 0:
return
minW = -self._width / 2
maxW = self._width / 2
minH = 0.0
maxH = self._height
minD = -self._depth / 2
maxD = self._depth / 2
mb = MeshBuilder()
mb.addLine(Vector(minW, minH, minD), Vector(maxW, minH, minD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, minH, minD), Vector(minW, maxH, minD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, maxH, minD), Vector(maxW, maxH, minD), color = self.VolumeOutlineColor)
mb.addLine(Vector(maxW, minH, minD), Vector(maxW, maxH, minD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, minH, maxD), Vector(maxW, minH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, minH, maxD), Vector(minW, maxH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, maxH, maxD), Vector(maxW, maxH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(maxW, minH, maxD), Vector(maxW, maxH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, minH, minD), Vector(minW, minH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(maxW, minH, minD), Vector(maxW, minH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(minW, maxH, minD), Vector(minW, maxH, maxD), color = self.VolumeOutlineColor)
mb.addLine(Vector(maxW, maxH, minD), Vector(maxW, maxH, maxD), color = self.VolumeOutlineColor)
self.setMeshData(mb.getData())
mb = MeshBuilder()
mb.addQuad(
Vector(minW, minH, minD),
Vector(maxW, minH, minD),
Vector(maxW, minH, maxD),
Vector(minW, minH, maxD)
)
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 = 0.2
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], minW, maxW), disallowed_area_height, self._clamp(points[0][1], minD, maxD))
previous_point = Vector(self._clamp(points[0][0], minW, maxW), disallowed_area_height, self._clamp(points[0][1], minD, maxD))
for point in points:
new_point = Vector(self._clamp(point[0], minW, maxW), disallowed_area_height, self._clamp(point[1], minD, maxD))
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
size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1]))
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(minW, minH - 1.0, minD), maximum = Vector(maxW, maxH, maxD))
skirt_size = 0.0
profile = Application.getInstance().getMachineManager().getActiveProfile()
if profile:
skirt_size = self._getSkirtSize(profile)
scale_to_max_bounds = AxisAlignedBox(
minimum = Vector(minW + skirt_size, minH, minD + skirt_size + disallowed_area_size),
maximum = Vector(maxW - skirt_size, maxH, maxD - skirt_size - disallowed_area_size)
)
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")
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().getActiveProfile()
if self._active_profile:
self._active_profile.settingValueChanged.connect(self._onSettingValueChanged)
self._updateDisallowedAreas()
self.rebuild()
def _onSettingValueChanged(self, setting):
if setting 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:
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)
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":
brim_line_count = profile.getSettingValue("brim_line_count")
skirt_size = 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")
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_line_count", "raft_margin", "draft_shield_enabled", "draft_shield_dist"]