| 1 |
""" |
| 2 |
@author: John NGUI |
| 3 |
""" |
| 4 |
|
| 5 |
import vtk |
| 6 |
from mapper import DataSetMapper |
| 7 |
from lookuptable import LookupTable |
| 8 |
from actor import Actor3D |
| 9 |
from constant import Viewport, Color, Arrow, ColorMode, Lut |
| 10 |
from arrow import Arrow2D, Arrow3D |
| 11 |
from glyph import Glyph3D |
| 12 |
from outline import Outline |
| 13 |
from point import MaskPoints |
| 14 |
from average import CellDataToPointData |
| 15 |
|
| 16 |
# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D and |
| 17 |
# MaskPoints were inherited to allow access to their public |
| 18 |
# methods from the driver. |
| 19 |
class Velocity(DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, MaskPoints): |
| 20 |
""" |
| 21 |
Class that shows a vector field using arrows. The arrows can either be |
| 22 |
colored or grey-scaled, depending on the lookup table used. If the arrows |
| 23 |
are colored, there are two possible coloring modes, either using vector data |
| 24 |
or scalar data. Similarly, there are two possible types of |
| 25 |
arrows, either using two-dimensional or three-dimensional. |
| 26 |
""" |
| 27 |
|
| 28 |
# The SOUTH_WEST default viewport is used when there is only one viewport. |
| 29 |
# This saves the user from specifying the viewport when there is only one. |
| 30 |
# If no lut is specified, the color scheme will be used. |
| 31 |
def __init__(self, scene, data_collector, arrow = Arrow.TWO_D, |
| 32 |
color_mode = ColorMode.VECTOR, viewport = Viewport.SOUTH_WEST, |
| 33 |
lut = Lut.COLOR, cell_to_point = False, outline = True): |
| 34 |
""" |
| 35 |
Initialise the Velocity. |
| 36 |
|
| 37 |
@attention: The source can either be point or cell data. If the |
| 38 |
source is cell data, a conversion to point data may or may not be |
| 39 |
required, in order for the object to be rendered correctly. |
| 40 |
If a conversion is needed, the 'cell_to_point' flag must be set to |
| 41 |
'True', otherwise 'False' (which is the default). |
| 42 |
|
| 43 |
@type scene: L{Scene <scene.Scene>} object |
| 44 |
@param scene: Scene in which objects are to be rendered on |
| 45 |
@type data_collector: L{DataCollector <datacollector.DataCollector>} |
| 46 |
object |
| 47 |
@param data_collector: Deal with source of data for visualisation |
| 48 |
@type arrow: L{Arrow <constant.Arrow>} constant |
| 49 |
@param arrow: Type of arrow (two dimensional or three dimensional) |
| 50 |
@type color_mode: L{ColorMode <constant.ColorMode>} constant |
| 51 |
@param color_mode: Type of color mode |
| 52 |
@type viewport: L{Viewport <constant.Viewport>} constant |
| 53 |
@param viewport: Viewport in which objects are to be rendered on |
| 54 |
@type lut : L{Lut <constant.Lut>} constant |
| 55 |
@param lut: Lookup table color scheme |
| 56 |
@type cell_to_point: Boolean |
| 57 |
@param cell_to_point: Converts cell data to point data (by averaging) |
| 58 |
@type outline: Boolean |
| 59 |
@param outline: Places an outline around the domain surface |
| 60 |
""" |
| 61 |
|
| 62 |
self.__data_collector = data_collector |
| 63 |
self.__arrow = arrow |
| 64 |
self.__color_mode = color_mode |
| 65 |
self.__viewport = viewport |
| 66 |
self.__lut = lut |
| 67 |
self.__cell_to_point = cell_to_point |
| 68 |
self.__outline = outline |
| 69 |
|
| 70 |
self.__modified = True # Keeps track whether Velocity has been modified. |
| 71 |
MaskPoints.__init__(self) |
| 72 |
Glyph3D.__init__(self) |
| 73 |
DataSetMapper.__init__(self) |
| 74 |
Actor3D.__init__(self) |
| 75 |
scene._addVisualizationModules(self) |
| 76 |
|
| 77 |
# ----- Outline ----- |
| 78 |
|
| 79 |
# NOTE: Changes cannot be made to the Outline's properties from the |
| 80 |
# driver. |
| 81 |
if(self.__outline == True): |
| 82 |
outline = Outline(self.__data_collector._getDataCollectorOutput()) |
| 83 |
mapper = DataSetMapper() |
| 84 |
mapper._setupDataSetMapper(outline._getOutlineOutput()) |
| 85 |
|
| 86 |
actor3D = Actor3D() |
| 87 |
actor3D._setupActor3D(mapper._getDataSetMapper()) |
| 88 |
# Default outline color is black. |
| 89 |
actor3D.setColor(Color.BLACK) |
| 90 |
|
| 91 |
# Default line width is 1. |
| 92 |
actor3D._setLineWidth(1) |
| 93 |
scene._addActor3D(self.__viewport, actor3D._getActor3D()) |
| 94 |
|
| 95 |
# ----- Velocity ----- |
| 96 |
|
| 97 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 98 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 99 |
# will take place. |
| 100 |
if(self.__lut == Lut.COLOR): # Colored lookup table. |
| 101 |
lookup_table = LookupTable() |
| 102 |
lookup_table._setTableValue() |
| 103 |
elif(self.__lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 104 |
lookup_table = LookupTable() |
| 105 |
lookup_table._setLookupTableToGreyScale() |
| 106 |
|
| 107 |
if(self.__cell_to_point == True): # Converts cell data to point data. |
| 108 |
c2p = CellDataToPointData( |
| 109 |
self.__data_collector._getDataCollectorOutput()) |
| 110 |
self._setupMaskPoints(c2p._getCellToPointOutput()) |
| 111 |
elif(self.__cell_to_point == False): # No conversion happens. |
| 112 |
self._setupMaskPoints(data_collector._getDataCollectorOutput()) |
| 113 |
|
| 114 |
if(self.__arrow == Arrow.TWO_D): # Use 2D arrows. |
| 115 |
Arrow2D.__init__(self) |
| 116 |
self._setupGlyph3D(self._getMaskPointsOutput(), |
| 117 |
self._getArrow2DOutput()) |
| 118 |
elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
| 119 |
Arrow3D.__init__(self) |
| 120 |
self._setupGlyph3D(self._getMaskPointsOutput(), |
| 121 |
self._getArrow3DOutput()) |
| 122 |
|
| 123 |
self._setupDataSetMapper(self._getGlyph3DOutput(), |
| 124 |
lookup_table._getLookupTable()) |
| 125 |
|
| 126 |
self._setupActor3D(self._getDataSetMapper()) |
| 127 |
scene._addActor3D(self.__viewport, self._getActor3D()) |
| 128 |
|
| 129 |
def _isModified(self): |
| 130 |
""" |
| 131 |
Return whether the Velocity or DataCollector has been modified. |
| 132 |
|
| 133 |
@rtype: Boolean |
| 134 |
@return: True or False |
| 135 |
""" |
| 136 |
|
| 137 |
return self.__modified or self.__data_collector._isModified() |
| 138 |
|
| 139 |
def _render(self, scene): |
| 140 |
""" |
| 141 |
Render the velocity. |
| 142 |
|
| 143 |
@type scene: L{Scene <scene.Scene>} object |
| 144 |
@param scene: Scene in which objects are to be rendered on |
| 145 |
""" |
| 146 |
|
| 147 |
if (self._isModified() == True): |
| 148 |
if(self.__data_collector._isScalarSet() == True): |
| 149 |
self.__data_collector._setActiveScalar() |
| 150 |
if(self.__data_collector._isVectorSet() == True): |
| 151 |
self.__data_collector._setActiveVector() |
| 152 |
|
| 153 |
# Color velocity by vector. |
| 154 |
if(self.__color_mode == ColorMode.VECTOR): |
| 155 |
self._setColorModeByVector() |
| 156 |
|
| 157 |
# self._isScalarRangeSet checks whether the scalar range has |
| 158 |
# been specified by the user. If it has, then the scalar range |
| 159 |
# read from the source will be ignored. |
| 160 |
if(not(self._isScalarRangeSet())): |
| 161 |
self._setRange(self.__data_collector._getVectorRange()) |
| 162 |
self._setScalarRange(\ |
| 163 |
self.__data_collector._getVectorRange()) |
| 164 |
else: |
| 165 |
self._setRange(self._getDataSetMapperRange()) |
| 166 |
|
| 167 |
# Color velocity by scalar. |
| 168 |
elif(self.__color_mode == ColorMode.SCALAR): |
| 169 |
self._setColorModeByScalar() |
| 170 |
|
| 171 |
# self._isScalarRangeSet checks whether the scalar range has |
| 172 |
# been specified by the user. If it has, then the scalar range |
| 173 |
# read from the source will be ignored. |
| 174 |
if(not(self._isScalarRangeSet())): |
| 175 |
self._setRange(self.__data_collector._getScalarRange()) |
| 176 |
self._setScalarRange(\ |
| 177 |
self.__data_collector._getScalarRange()) |
| 178 |
else: |
| 179 |
self._setRange(self._getDataSetMapperRange()) |
| 180 |
|
| 181 |
self.__modified = False |
| 182 |
|
| 183 |
|
| 184 |
############################################################################### |
| 185 |
|
| 186 |
|
| 187 |
from transform import Transform |
| 188 |
from plane import Plane |
| 189 |
from cutter import Cutter |
| 190 |
|
| 191 |
# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, Transform, Plane, |
| 192 |
# Cutter and MaskPoints were inherited to allow access to |
| 193 |
# their public methods from the driver. |
| 194 |
class VelocityOnPlaneCut(DataSetMapper, Actor3D, Arrow2D, Arrow3D, |
| 195 |
Glyph3D, Transform, Plane, Cutter, MaskPoints): |
| 196 |
""" |
| 197 |
This class works in a similar way to L{MapOnPlaneCut <map.MapOnPlaneCut>}, |
| 198 |
except that it shows a vector field using arrows cut using a plane. |
| 199 |
""" |
| 200 |
|
| 201 |
# The SOUTH_WEST default viewport is used when there is only one viewport. |
| 202 |
# This saves the user from specifying the viewport when there is only one. |
| 203 |
# If no lut is specified, the color scheme willbe used. |
| 204 |
def __init__(self, scene, data_collector, arrow = Arrow.TWO_D, |
| 205 |
color_mode = ColorMode.VECTOR, viewport = Viewport.SOUTH_WEST, |
| 206 |
lut = Lut.COLOR, cell_to_point = False, outline = True): |
| 207 |
""" |
| 208 |
Initialise the VelocityOnPlaneCut. |
| 209 |
|
| 210 |
@attention: The source can either be point or cell data. If the |
| 211 |
source is cell data, a conversion to point data may or may not be |
| 212 |
required, in order for the object to be rendered correctly. |
| 213 |
If a conversion is needed, the 'cell_to_point' flag must be set to |
| 214 |
'True', otherwise 'False' (which is the default). |
| 215 |
|
| 216 |
@type scene: L{Scene <scene.Scene>} object |
| 217 |
@param scene: Scene in which objects are to be rendered on |
| 218 |
@type data_collector: L{DataCollector <datacollector.DataCollector>} |
| 219 |
object |
| 220 |
@param data_collector: Deal with source of data for visualisation |
| 221 |
@type arrow: L{Arrow <constant.Arrow>} constant |
| 222 |
@param arrow: Type of arrow (two dimensional or three dimensional) |
| 223 |
@type color_mode: L{ColorMode <constant.ColorMode>} constant |
| 224 |
@param color_mode: Type of color mode |
| 225 |
@type viewport: L{Viewport <constant.Viewport>} constant |
| 226 |
@param viewport: Viewport in which objects are to be rendered on |
| 227 |
@type lut : L{Lut <constant.Lut>} constant |
| 228 |
@param lut: Lookup table color scheme |
| 229 |
@type cell_to_point: Boolean |
| 230 |
@param cell_to_point: Converts cell data to point data (by averaging) |
| 231 |
@type outline: Boolean |
| 232 |
@param outline: Places an outline around the domain surface |
| 233 |
""" |
| 234 |
|
| 235 |
self.__data_collector = data_collector |
| 236 |
self.__arrow = arrow |
| 237 |
self.__color_mode = color_mode |
| 238 |
self.__viewport = viewport |
| 239 |
self.__lut = lut |
| 240 |
self.__cell_to_point = cell_to_point |
| 241 |
self.__outline = outline |
| 242 |
|
| 243 |
# Keeps track whether VelocityOnPlaneCut has been modified. |
| 244 |
self.__modified = True |
| 245 |
Transform.__init__(self) |
| 246 |
Plane.__init__(self) |
| 247 |
Cutter.__init__(self) |
| 248 |
MaskPoints.__init__(self) |
| 249 |
Glyph3D.__init__(self) |
| 250 |
DataSetMapper.__init__(self) |
| 251 |
Actor3D.__init__(self) |
| 252 |
scene._addVisualizationModules(self) |
| 253 |
|
| 254 |
# ----- Outline ----- |
| 255 |
|
| 256 |
# NOTE: Changes cannot be made to the Outline's properties from the |
| 257 |
# driver. |
| 258 |
if(self.__outline == True): |
| 259 |
outline = Outline(self.__data_collector._getDataCollectorOutput()) |
| 260 |
mapper = DataSetMapper() |
| 261 |
mapper._setupDataSetMapper(outline._getOutlineOutput()) |
| 262 |
|
| 263 |
actor3D = Actor3D() |
| 264 |
actor3D._setupActor3D(mapper._getDataSetMapper()) |
| 265 |
# Default outline color is black. |
| 266 |
actor3D.setColor(Color.BLACK) |
| 267 |
|
| 268 |
# Default line width is 1. |
| 269 |
actor3D._setLineWidth(1) |
| 270 |
scene._addActor3D(self.__viewport, actor3D._getActor3D()) |
| 271 |
|
| 272 |
# ----- Velocity on a cut plane ----- |
| 273 |
|
| 274 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 275 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 276 |
# will take place. |
| 277 |
if(lut == Lut.COLOR): # Colored lookup table. |
| 278 |
lookup_table = LookupTable() |
| 279 |
lookup_table._setTableValue() |
| 280 |
elif(lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 281 |
lookup_table = LookupTable() |
| 282 |
lookup_table._setLookupTableToGreyScale() |
| 283 |
|
| 284 |
self._setupPlane(self._getTransform()) |
| 285 |
|
| 286 |
if(self.__cell_to_point == True): # Converts cell data to point data. |
| 287 |
c2p = CellDataToPointData( |
| 288 |
self.__data_collector._getDataCollectorOutput()) |
| 289 |
self._setupCutter(c2p._getCellToPointOutput(), self._getPlane()) |
| 290 |
elif(self.__cell_to_point == False): # No conversion happens. |
| 291 |
self._setupCutter(self.__data_collector._getDataCollectorOutput(), |
| 292 |
self._getPlane()) |
| 293 |
|
| 294 |
self._setupMaskPoints(self._getCutterOutput()) |
| 295 |
|
| 296 |
if(self.__arrow == Arrow.TWO_D): # Use 2D arrows. |
| 297 |
Arrow2D.__init__(self) |
| 298 |
self._setupGlyph3D(self._getMaskPointsOutput(), |
| 299 |
self._getActor2DOutput()) |
| 300 |
elif(self.__arrow == Arrow.THREE_D): # Use 3D arrows. |
| 301 |
Arrow3D.__init__(self) |
| 302 |
self._setupGlyph3D(self._getMaskPointsOutput(), |
| 303 |
self._getArrow3DOutput()) |
| 304 |
|
| 305 |
self._setupDataSetMapper(self._getGlyph3DOutput(), |
| 306 |
lookup_table._getLookupTable()) |
| 307 |
|
| 308 |
self._setupActor3D(self._getDataSetMapper()) |
| 309 |
scene._addActor3D(self.__viewport, self._getActor3D()) |
| 310 |
|
| 311 |
def _isModified(self): |
| 312 |
""" |
| 313 |
Return whether the VelocityOnPlaneCut or DataCollector has been |
| 314 |
modified. |
| 315 |
|
| 316 |
@rtype: Boolean |
| 317 |
@return: True or False |
| 318 |
""" |
| 319 |
|
| 320 |
return self.__modified or self.__data_collector._isModified() |
| 321 |
|
| 322 |
def _render(self, scene): |
| 323 |
""" |
| 324 |
Render the velocity cut using a plane. |
| 325 |
|
| 326 |
@type scene: L{Scene <scene.Scene>} object |
| 327 |
@param scene: Scene in which objects are to be rendered on |
| 328 |
""" |
| 329 |
|
| 330 |
if (self._isModified() == True): |
| 331 |
if(self.__data_collector._isVectorSet() == True): |
| 332 |
self.__data_collector._setActiveVector() |
| 333 |
# Color velocity by vector. |
| 334 |
if(self.__color_mode == ColorMode.VECTOR): |
| 335 |
self._setColorModeByVector() |
| 336 |
|
| 337 |
# self._isScalarRangeSet checks whether the scalar range has |
| 338 |
# been specified by the user. If it has, then the scalar range |
| 339 |
# read from the source will be ignored. |
| 340 |
if(not(self._isScalarRangeSet())): |
| 341 |
self._setRange(self.__data_collector._getVectorRange()) |
| 342 |
self._setScalarRange(\ |
| 343 |
self.__data_collector._getVectorRange()) |
| 344 |
else: |
| 345 |
self._setRange(self._getDataSetMapperRange()) |
| 346 |
|
| 347 |
# Color velocity by scalar. |
| 348 |
elif(self.__color_mode == ColorMode.SCALAR): |
| 349 |
self._setColorModeByScalar() |
| 350 |
|
| 351 |
# self._isScalarRangeSet checks whether the scalar range has |
| 352 |
# been specified by the user. If it has, then the scalar range |
| 353 |
# read from the source will be ignored. |
| 354 |
if(not(self._isScalarRangeSet())): |
| 355 |
self._setRange(self.__data_collector._getScalarRange()) |
| 356 |
self._setScalarRange(\ |
| 357 |
self.__data_collector._getScalarRange()) |
| 358 |
else: |
| 359 |
self._setRange(self._getDataSetMapperRange()) |
| 360 |
|
| 361 |
self.__modified = False |
| 362 |
|
| 363 |
|
| 364 |
############################################################################### |
| 365 |
|
| 366 |
|
| 367 |
from clipper import Clipper |
| 368 |
|
| 369 |
# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, Transform, Plane, |
| 370 |
# Clipper and MaskPoints were inherited to allow access to |
| 371 |
# their public methods from the driver. |
| 372 |
class VelocityOnPlaneClip(DataSetMapper, Actor3D, Arrow2D, Arrow3D, |
| 373 |
Glyph3D, Transform, Plane, Clipper, MaskPoints): |
| 374 |
""" |
| 375 |
This class works in a similar way to L{MapOnPlaneClip <map.MapOnPlaneClip>} |
| 376 |
, except that it shows a vector field using arrows clipped using a plane. |
| 377 |
""" |
| 378 |
|
| 379 |
# The SOUTH_WEST default viewport is used when there is only one viewport. |
| 380 |
# This saves the user from specifying the viewport when there is only one. |
| 381 |
# If no lut is specified, the color scheme will be used. |
| 382 |
def __init__(self, scene, data_collector, arrow = Arrow.TWO_D, |
| 383 |
color_mode = ColorMode.VECTOR, viewport = Viewport.SOUTH_WEST, |
| 384 |
lut = Lut.COLOR, cell_to_point = False, outline = True): |
| 385 |
""" |
| 386 |
Initialise the VelocityOnPlaneClip. |
| 387 |
|
| 388 |
@attention: The source can either be point or cell data. If the |
| 389 |
source is cell data, a conversion to point data may or may not be |
| 390 |
required, in order for the object to be rendered correctly. |
| 391 |
If a conversion is needed, the 'cell_to_point' flag must be set to |
| 392 |
'True', otherwise 'False' (which is the default). |
| 393 |
|
| 394 |
@type scene: L{Scene <scene.Scene>} object |
| 395 |
@param scene: Scene in which objects are to be rendered on |
| 396 |
@type data_collector: L{DataCollector <datacollector.DataCollector>} |
| 397 |
object |
| 398 |
@param data_collector: Deal with source of data for visualisation |
| 399 |
@type arrow: L{Arrow <constant.Arrow>} constant |
| 400 |
@param arrow: Type of arrow (two dimensional or three dimensional) |
| 401 |
@type color_mode: L{ColorMode <constant.ColorMode>} constant |
| 402 |
@param color_mode: Type of color mode |
| 403 |
@type viewport: L{Viewport <constant.Viewport>} constant |
| 404 |
@param viewport: Viewport in which objects are to be rendered on |
| 405 |
@type lut : L{Lut <constant.Lut>} constant |
| 406 |
@param lut: Lookup table color scheme |
| 407 |
@type cell_to_point: Boolean |
| 408 |
@param cell_to_point: Converts cell data to point data (by averaging) |
| 409 |
@type outline: Boolean |
| 410 |
@param outline: Places an outline around the domain surface |
| 411 |
""" |
| 412 |
|
| 413 |
self.__data_collector = data_collector |
| 414 |
self.__arrow = arrow |
| 415 |
self.__color_mode = color_mode |
| 416 |
self.__viewport = viewport |
| 417 |
self.__lut = lut |
| 418 |
self.__cell_to_point = cell_to_point |
| 419 |
self.__outline = outline |
| 420 |
|
| 421 |
# Keeps track whether VelocityOnPlaneCut has been modified. |
| 422 |
self.__modified = True |
| 423 |
Transform.__init__(self) |
| 424 |
Plane.__init__(self) |
| 425 |
Clipper.__init__(self) |
| 426 |
MaskPoints.__init__(self) |
| 427 |
Glyph3D.__init__(self) |
| 428 |
DataSetMapper.__init__(self) |
| 429 |
Actor3D.__init__(self) |
| 430 |
scene._addVisualizationModules(self) |
| 431 |
|
| 432 |
# ----- Outline ----- |
| 433 |
|
| 434 |
# NOTE: Changes cannot be made to the Outline's properties from the |
| 435 |
# driver. |
| 436 |
if(self.__outline == True): |
| 437 |
outline = Outline(self.__data_collector._getDataCollectorOutput()) |
| 438 |
mapper = DataSetMapper() |
| 439 |
mapper._setupDataSetMapper(outline._getOutlineOutput()) |
| 440 |
|
| 441 |
actor3D = Actor3D() |
| 442 |
actor3D._setupActor3D(mapper._getDataSetMapper()) |
| 443 |
# Default outline color is black. |
| 444 |
actor3D.setColor(Color.BLACK) |
| 445 |
|
| 446 |
# Default line width is 1. |
| 447 |
actor3D._setLineWidth(1) |
| 448 |
scene._addActor3D(self.__viewport, actor3D._getActor3D()) |
| 449 |
|
| 450 |
# ----- Velocity on a clipped plane ----- |
| 451 |
|
| 452 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 453 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 454 |
# will take place. |
| 455 |
if(self.__lut == Lut.COLOR): # Colored lookup table. |
| 456 |
lookup_table = LookupTable() |
| 457 |
lookup_table._setTableValue() |
| 458 |
elif(self.__lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 459 |
lookup_table = LookupTable() |
| 460 |
lookup_table._setLookupTableToGreyScale() |
| 461 |
|
| 462 |
self._setupPlane(self._getTransform()) |
| 463 |
|
| 464 |
if(self.__cell_to_point == True): # Converts cell data to point data. |
| 465 |
c2p = CellDataToPointData( |
| 466 |
self.__data_collector._getDataCollectorOutput()) |
| 467 |
self._setupMaskPoints(c2p._getCellToPointOutput()) |
| 468 |
elif(self.__cell_to_point == False): # No conversion happens. |
| 469 |
self._setupMaskPoints( |
| 470 |
self.__data_collector._getDataCollectorOutput()) |
| 471 |
|
| 472 |
# NOTE: Glyph3D must come before Clipper. Otherwise clipping may not |
| 473 |
# work correctly. |
| 474 |
if(self.__arrow == Arrow.TWO_D): # Use 2D arrows. |
| 475 |
Arrow2D.__init__(self) |
| 476 |
self._setupGlyph3D(self._getMaskPointsOutput(), |
| 477 |
self._getArrow2DOutput()) |
| 478 |
elif(self.__arrow == Arrow.THREE_D): # Use 3D arrows. |
| 479 |
Arrow3D.__init__(self) |
| 480 |
self._setupGlyph3D(self._getMaskPointsOutput(), |
| 481 |
self._getArrow3DOutput()) |
| 482 |
|
| 483 |
self._setupClipper(self._getGlyph3DOutput(), self._getPlane()) |
| 484 |
self._setClipFunction() |
| 485 |
|
| 486 |
# NOTE: Clipper must come after Glyph. Otherwise clipping |
| 487 |
# may not work correctly. |
| 488 |
self._setupDataSetMapper(self._getClipperOutput(), |
| 489 |
lookup_table._getLookupTable()) |
| 490 |
|
| 491 |
self._setupActor3D(self._getDataSetMapper()) |
| 492 |
scene._addActor3D(self.__viewport, self._getActor3D()) |
| 493 |
|
| 494 |
def _isModified(self): |
| 495 |
""" |
| 496 |
Return whether the VelocityOnPlaneClip or DataCollector has been |
| 497 |
modified. |
| 498 |
|
| 499 |
@rtype: Boolean |
| 500 |
@return: True or False |
| 501 |
""" |
| 502 |
|
| 503 |
return self.__modified or self.__data_collector._isModified() |
| 504 |
|
| 505 |
def _render(self, scene): |
| 506 |
""" |
| 507 |
Render the velocity clip using a plane.. |
| 508 |
|
| 509 |
@type scene: L{Scene <scene.Scene>} object |
| 510 |
@param scene: Scene in which objects are to be rendered on |
| 511 |
""" |
| 512 |
|
| 513 |
if (self._isModified() == True): |
| 514 |
if(self.__data_collector._isVectorSet() == True): |
| 515 |
self.__data_collector._setActiveVector() |
| 516 |
# Color velocity by vector. |
| 517 |
if(self.__color_mode == ColorMode.VECTOR): |
| 518 |
self._setColorModeByVector() |
| 519 |
|
| 520 |
# self._isScalarRangeSet checks whether the scalar range has |
| 521 |
# been specified by the user. If it has, then the scalar range |
| 522 |
# read from the source will be ignored. |
| 523 |
if(not(self._isScalarRangeSet())): |
| 524 |
self._setRange(self.__data_collector._getVectorRange()) |
| 525 |
self._setScalarRange(\ |
| 526 |
self.__data_collector._getVectorRange()) |
| 527 |
else: |
| 528 |
self._setRange(self._getDataSetMapperRange()) |
| 529 |
|
| 530 |
# Color velocity by scalar. |
| 531 |
elif(self.__color_mode == ColorMode.SCALAR): |
| 532 |
self._setColorModeByScalar() |
| 533 |
|
| 534 |
# self._isScalarRangeSet checks whether the scalar range has |
| 535 |
# been specified by the user. If it has, then the scalar range |
| 536 |
# read from the source will be ignored. |
| 537 |
if(not(self._isScalarRangeSet())): |
| 538 |
self._setRange(self.__data_collector._getScalarRange()) |
| 539 |
self._setScalarRange(\ |
| 540 |
self.__data_collector._getScalarRange()) |
| 541 |
else: |
| 542 |
self._setRange(self._getDataSetMapperRange()) |
| 543 |
|
| 544 |
self.__modified = False |
| 545 |
|
| 546 |
|
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