Cura/gui/util/engineResultView.py

   1 __copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
   2
   3 import wx
   4 import numpy
   5 import math
   6 import threading
   7
   8 import OpenGL
   9 OpenGL.ERROR_CHECKING = False
  10 from OpenGL.GLU import *
  11 from OpenGL.GL import *
  12
  13 from Cura.util import profile
  14 from Cura.gui.util import openglHelpers
  15 from Cura.gui.util import openglGui
  16
  17 class engineResultView(object):
  18         def __init__(self, parent):
  19                 self._parent = parent
  20                 self._result = None
  21                 self._enabled = False
  22                 self._gcodeLoadProgress = 0
  23                 self._resultLock = threading.Lock()
  24                 self._layerVBOs = []
  25                 self._layer20VBOs = []
  26
  27                 self.layerSelect = openglGui.glSlider(self._parent, 10000, 0, 1, (-1,-2), lambda : self._parent.QueueRefresh())
  28
  29         def setResult(self, result):
  30                 if self._result == result:
  31                         return
  32                 if result is None:
  33                         self.setEnabled(False)
  34
  35                 self._resultLock.acquire()
  36                 self._result = result
  37
  38                 #Clean the saved VBO's
  39                 for layer in self._layerVBOs:
  40                         for typeName in layer.keys():
  41                                 self._parent.glReleaseList.append(layer[typeName])
  42                 for layer in self._layer20VBOs:
  43                         for typeName in layer.keys():
  44                                 self._parent.glReleaseList.append(layer[typeName])
  45                 self._layerVBOs = []
  46                 self._layer20VBOs = []
  47                 self._resultLock.release()
  48
  49         def setEnabled(self, enabled):
  50                 self._enabled = enabled
  51                 self.layerSelect.setHidden(not enabled)
  52
  53         def _gcodeLoadCallback(self, result, progress):
  54                 if result != self._result:
  55                         #Abort loading from this thread.
  56                         return True
  57                 self._gcodeLoadProgress = progress
  58                 self._parent._queueRefresh()
  59                 return False
  60
  61         def OnDraw(self):
  62                 if not self._enabled:
  63                         return
  64
  65                 self._resultLock.acquire()
  66                 result = self._result
  67                 if result is not None:
  68                         gcodeLayers = result.getGCodeLayers(self._gcodeLoadCallback)
  69                         if result._polygons is not None and len(result._polygons) > 0:
  70                                 self.layerSelect.setRange(1, len(result._polygons))
  71                         elif gcodeLayers is not None and len(gcodeLayers) > 0:
  72                                 self.layerSelect.setRange(1, len(gcodeLayers))
  73                 else:
  74                         gcodeLayers = None
  75
  76                 glPushMatrix()
  77                 glEnable(GL_BLEND)
  78                 if profile.getMachineSetting('machine_center_is_zero') != 'True':
  79                         glTranslate(-profile.getMachineSettingFloat('machine_width') / 2, -profile.getMachineSettingFloat('machine_depth') / 2, 0)
  80                 glLineWidth(2)
  81
  82                 layerNr = self.layerSelect.getValue()
  83                 if layerNr == self.layerSelect.getMaxValue() and result is not None and len(result._polygons) > 0:
  84                         layerNr = max(layerNr, len(result._polygons))
  85                 if result is not None and len(result._polygons) > layerNr-1 and 'inset0' in result._polygons[layerNr-1] and len(result._polygons[layerNr-1]['inset0']) > 0 and len(result._polygons[layerNr-1]['inset0'][0]) > 0:
  86                         viewZ = result._polygons[layerNr-1]['inset0'][0][0][2]
  87                 else:
  88                         viewZ = (layerNr - 1) * profile.getProfileSettingFloat('layer_height') + profile.getProfileSettingFloat('bottom_thickness')
  89                 self._parent._viewTarget[2] = viewZ
  90                 msize = max(profile.getMachineSettingFloat('machine_width'), profile.getMachineSettingFloat('machine_depth'))
  91                 lineTypeList = [
  92                         ('inset0',     'WALL-OUTER', [1,0,0,1]),
  93                         ('insetx',     'WALL-INNER', [0,1,0,1]),
  94                         ('openoutline', None,        [1,0,0,1]),
  95                         ('skin',       'FILL',       [1,1,0,1]),
  96                         ('infill',      None,        [1,1,0,1]),
  97                         ('support',    'SUPPORT',    [0,1,1,1]),
  98                         ('skirt',      'SKIRT',      [0,1,1,1]),
  99                         ('outline',     None,        [0,0,0,1])
 100                 ]
 101                 n = layerNr - 1
 102                 generatedVBO = False
 103                 if result is not None:
 104                         while n >= 0:
 105                                 if layerNr - n > 30 and n % 20 == 0 and len(result._polygons) > 0:
 106                                         idx = n / 20
 107                                         while len(self._layer20VBOs) < idx + 1:
 108                                                 self._layer20VBOs.append({})
 109                                         if result._polygons is not None and n + 20 < len(result._polygons):
 110                                                 layerVBOs = self._layer20VBOs[idx]
 111                                                 for typeName, typeNameGCode, color in lineTypeList:
 112                                                         allow = typeName in result._polygons[n + 19]
 113                                                         if typeName == 'skirt':
 114                                                                 for i in xrange(0, 20):
 115                                                                         if typeName in result._polygons[n + i]:
 116                                                                                 allow = True
 117                                                         if allow:
 118                                                                 if typeName not in layerVBOs:
 119                                                                         if generatedVBO:
 120                                                                                 continue
 121                                                                         polygons = []
 122                                                                         for i in xrange(0, 20):
 123                                                                                 if typeName in result._polygons[n + i]:
 124                                                                                         polygons += result._polygons[n + i][typeName]
 125                                                                         layerVBOs[typeName] = self._polygonsToVBO_lines(polygons)
 126                                                                         generatedVBO = True
 127                                                                 glColor4f(color[0]*0.5,color[1]*0.5,color[2]*0.5,color[3])
 128                                                                 layerVBOs[typeName].render()
 129                                         n -= 20
 130                                 else:
 131                                         c = 1.0 - ((layerNr - n) - 1) * 0.05
 132                                         c = max(0.5, c)
 133                                         while len(self._layerVBOs) < n + 1:
 134                                                 self._layerVBOs.append({})
 135                                         layerVBOs = self._layerVBOs[n]
 136                                         if gcodeLayers is not None and ((layerNr - 10 < n < (len(gcodeLayers) - 1)) or len(result._polygons) < 1):
 137                                                 for typeNamePolygons, typeName, color in lineTypeList:
 138                                                         if typeName is None:
 139                                                                 continue
 140                                                         if 'GCODE-' + typeName not in layerVBOs:
 141                                                                 layerVBOs['GCODE-' + typeName] = self._gcodeToVBO_quads(gcodeLayers[n+1:n+2], typeName)
 142                                                         glColor4f(color[0]*c,color[1]*c,color[2]*c,color[3])
 143                                                         layerVBOs['GCODE-' + typeName].render()
 144
 145                                                 if n == layerNr - 1:
 146                                                         if 'GCODE-MOVE' not in layerVBOs:
 147                                                                 layerVBOs['GCODE-MOVE'] = self._gcodeToVBO_lines(gcodeLayers[n+1:n+2])
 148                                                         glColor4f(0,0,c,1)
 149                                                         layerVBOs['GCODE-MOVE'].render()
 150                                         elif n < len(result._polygons):
 151                                                 polygons = result._polygons[n]
 152                                                 for typeName, typeNameGCode, color in lineTypeList:
 153                                                         if typeName in polygons:
 154                                                                 if typeName not in layerVBOs:
 155                                                                         layerVBOs[typeName] = self._polygonsToVBO_lines(polygons[typeName])
 156                                                                 glColor4f(color[0]*c,color[1]*c,color[2]*c,color[3])
 157                                                                 layerVBOs[typeName].render()
 158                                         n -= 1
 159                 glPopMatrix()
 160                 if generatedVBO:
 161                         self._parent._queueRefresh()
 162
 163                 if gcodeLayers is not None and self._gcodeLoadProgress != 0.0 and self._gcodeLoadProgress != 1.0:
 164                         glPushMatrix()
 165                         glLoadIdentity()
 166                         glTranslate(0,-0.8,-2)
 167                         glColor4ub(60,60,60,255)
 168                         openglHelpers.glDrawStringCenter(_("Loading toolpath for visualization (%d%%)") % (self._gcodeLoadProgress * 100))
 169                         glPopMatrix()
 170                 self._resultLock.release()
 171
 172         def _polygonsToVBO_lines(self, polygons):
 173                 verts = numpy.zeros((0, 3), numpy.float32)
 174                 indices = numpy.zeros((0), numpy.uint32)
 175                 for poly in polygons:
 176                         if len(poly) > 2:
 177                                 i = numpy.arange(len(verts), len(verts) + len(poly) + 1, 1, numpy.uint32)
 178                                 i[-1] = len(verts)
 179                                 i = numpy.dstack((i[0:-1],i[1:])).flatten()
 180                         else:
 181                                 i = numpy.arange(len(verts), len(verts) + len(poly), 1, numpy.uint32)
 182                         indices = numpy.concatenate((indices, i), 0)
 183                         verts = numpy.concatenate((verts, poly), 0)
 184                 return openglHelpers.GLVBO(GL_LINES, verts, indicesArray=indices)
 185
 186         def _polygonsToVBO_quads(self, polygons):
 187                 verts = numpy.zeros((0, 3), numpy.float32)
 188                 indices = numpy.zeros((0), numpy.uint32)
 189                 for poly in polygons:
 190                         i = numpy.arange(len(verts), len(verts) + len(poly) + 1, 1, numpy.uint32)
 191                         i2 = numpy.arange(len(verts) + len(poly), len(verts) + len(poly) + len(poly) + 1, 1, numpy.uint32)
 192                         i[-1] = len(verts)
 193                         i2[-1] = len(verts) + len(poly)
 194                         i = numpy.dstack((i[0:-1],i2[0:-1],i2[1:],i[1:])).flatten()
 195                         indices = numpy.concatenate((indices, i), 0)
 196                         verts = numpy.concatenate((verts, poly), 0)
 197                         verts = numpy.concatenate((verts, poly * numpy.array([1,0,1],numpy.float32) + numpy.array([0,-100,0],numpy.float32)), 0)
 198                 return openglHelpers.GLVBO(GL_QUADS, verts, indicesArray=indices)
 199
 200         def _gcodeToVBO_lines(self, gcodeLayers, extrudeType):
 201                 if ':' in extrudeType:
 202                         extruder = int(extrudeType[extrudeType.find(':')+1:])
 203                         extrudeType = extrudeType[0:extrudeType.find(':')]
 204                 else:
 205                         extruder = None
 206                 verts = numpy.zeros((0, 3), numpy.float32)
 207                 indices = numpy.zeros((0), numpy.uint32)
 208                 for layer in gcodeLayers:
 209                         for path in layer:
 210                                 if path['type'] == 'extrude' and path['pathType'] == extrudeType and (extruder is None or path['extruder'] == extruder):
 211                                         i = numpy.arange(len(verts), len(verts) + len(path['points']), 1, numpy.uint32)
 212                                         i = numpy.dstack((i[0:-1],i[1:])).flatten()
 213                                         indices = numpy.concatenate((indices, i), 0)
 214                                         verts = numpy.concatenate((verts, path['points']))
 215                 return openglHelpers.GLVBO(GL_LINES, verts, indicesArray=indices)
 216
 217         def _gcodeToVBO_quads(self, gcodeLayers, extrudeType):
 218                 useFilamentArea = profile.getMachineSetting('gcode_flavor') == 'UltiGCode'
 219                 filamentRadius = profile.getProfileSettingFloat('filament_diameter') / 2
 220                 filamentArea = math.pi * filamentRadius * filamentRadius
 221
 222                 if ':' in extrudeType:
 223                         extruder = int(extrudeType[extrudeType.find(':')+1:])
 224                         extrudeType = extrudeType[0:extrudeType.find(':')]
 225                 else:
 226                         extruder = None
 227
 228                 verts = numpy.zeros((0, 3), numpy.float32)
 229                 indices = numpy.zeros((0), numpy.uint32)
 230                 for layer in gcodeLayers:
 231                         for path in layer:
 232                                 if path['type'] == 'extrude' and path['pathType'] == extrudeType and (extruder is None or path['extruder'] == extruder):
 233                                         a = path['points']
 234                                         if extrudeType == 'FILL':
 235                                                 a[:,2] += 0.01
 236
 237                                         #Construct the normals of each line 90deg rotated on the X/Y plane
 238                                         normals = a[1:] - a[:-1]
 239                                         lengths = numpy.sqrt(normals[:,0]**2 + normals[:,1]**2)
 240                                         normals[:,0], normals[:,1] = -normals[:,1] / lengths, normals[:,0] / lengths
 241                                         normals[:,2] /= lengths
 242
 243                                         ePerDist = path['extrusion'][1:] / lengths
 244                                         if useFilamentArea:
 245                                                 lineWidth = ePerDist / path['layerThickness'] / 2.0
 246                                         else:
 247                                                 lineWidth = ePerDist * (filamentArea / path['layerThickness'] / 2)
 248
 249                                         normals[:,0] *= lineWidth
 250                                         normals[:,1] *= lineWidth
 251
 252                                         b = numpy.zeros((len(a)-1, 0), numpy.float32)
 253                                         b = numpy.concatenate((b, a[1:] + normals), 1)
 254                                         b = numpy.concatenate((b, a[1:] - normals), 1)
 255                                         b = numpy.concatenate((b, a[:-1] - normals), 1)
 256                                         b = numpy.concatenate((b, a[:-1] + normals), 1)
 257                                         b = b.reshape((len(b) * 4, 3))
 258
 259                                         i = numpy.arange(len(verts), len(verts) + len(b), 1, numpy.uint32)
 260
 261                                         verts = numpy.concatenate((verts, b))
 262                                         indices = numpy.concatenate((indices, i))
 263                 return openglHelpers.GLVBO(GL_QUADS, verts, indicesArray=indices)
 264
 265         def _gcodeToVBO_lines(self, gcodeLayers):
 266                 verts = numpy.zeros((0,3), numpy.float32)
 267                 indices = numpy.zeros((0), numpy.uint32)
 268                 for layer in gcodeLayers:
 269                         for path in layer:
 270                                 if path['type'] == 'move':
 271                                         a = path['points'] + numpy.array([0,0,0.02], numpy.float32)
 272                                         i = numpy.arange(len(verts), len(verts) + len(a), 1, numpy.uint32)
 273                                         i = numpy.dstack((i[0:-1],i[1:])).flatten()
 274                                         verts = numpy.concatenate((verts, a))
 275                                         indices = numpy.concatenate((indices, i))
 276                                 if path['type'] == 'retract':
 277                                         a = path['points'] + numpy.array([0,0,0.02], numpy.float32)
 278                                         a = numpy.concatenate((a[:-1], a[1:] + numpy.array([0,0,1], numpy.float32)), 1)
 279                                         a = a.reshape((len(a) * 2, 3))
 280                                         i = numpy.arange(len(verts), len(verts) + len(a), 1, numpy.uint32)
 281                                         verts = numpy.concatenate((verts, a))
 282                                         indices = numpy.concatenate((indices, i))
 283                 return openglHelpers.GLVBO(GL_LINES, verts, indicesArray=indices)
 284
 285         def OnKeyChar(self, keyCode):
 286                 if not self._enabled:
 287                         return
 288                 #TODO: This is strange behaviour. Overloaded functionality of keyboard buttons!
 289                 if wx.GetKeyState(wx.WXK_SHIFT) or wx.GetKeyState(wx.WXK_CONTROL):
 290                         if keyCode == wx.WXK_UP:
 291                                 self.layerSelect.setValue(self.layerSelect.getValue() + 1)
 292                                 self._parent.QueueRefresh()
 293                                 return True
 294                         elif keyCode == wx.WXK_DOWN:
 295                                 self.layerSelect.setValue(self.layerSelect.getValue() - 1)
 296                                 self._parent.QueueRefresh()
 297                                 return True
 298                         elif keyCode == wx.WXK_PAGEUP:
 299                                 self.layerSelect.setValue(self.layerSelect.getValue() + 10)
 300                                 self._parent.QueueRefresh()
 301                                 return True
 302                         elif keyCode == wx.WXK_PAGEDOWN:
 303                                 self.layerSelect.setValue(self.layerSelect.getValue() - 10)
 304                                 self._parent.QueueRefresh()
 305                                 return True
 306                 return False