| 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 probe import Probe |
| 14 |
from point import StructuredPoints |
| 15 |
|
| 16 |
# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, StructuredPoints and |
| 17 |
# Probe were inherited to allow access to their public methods from the driver. |
| 18 |
class Velocity(DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, |
| 19 |
StructuredPoints, Probe): |
| 20 |
""" |
| 21 |
Class that show a vector field using arrows. |
| 22 |
""" |
| 23 |
|
| 24 |
# The SOUTH_WEST default viewport is used when there is only one viewport. |
| 25 |
# This saves the user from specifying the viewport when there is only one. |
| 26 |
# If no vector field is specified, the first encountered in the file will |
| 27 |
# be loaded automatically. If no lut is specified, the color scheme will |
| 28 |
# be used. |
| 29 |
def __init__(self, scene, data_collector, vector = None, scalar = None, |
| 30 |
arrow = Arrow.TWO_D, color_mode = ColorMode.VECTOR, |
| 31 |
viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, outline = True): |
| 32 |
|
| 33 |
""" |
| 34 |
@type scene: L{Scene <scene.Scene>} object |
| 35 |
@param scene: Scene in which objects are to be rendered on |
| 36 |
@type data_collector: L{DataCollector <datacollector.DataCollector>} |
| 37 |
object |
| 38 |
@param data_collector: Deal with source of data for visualisation |
| 39 |
@type vector: String |
| 40 |
@param vector: Vector field to load from the source file |
| 41 |
@type scalar: String |
| 42 |
@param scalar: Scalar field to load from the source file |
| 43 |
@type arrow: L{Arrow <constant.Arrow>} constant |
| 44 |
@param arrow: Type of arrow (two dimensional or three dimensional) |
| 45 |
@type color_mode: L{ColorMode <constant.ColorMode>} constant |
| 46 |
@param color_mode: Type of color mode |
| 47 |
@type viewport: L{Viewport <constant.Viewport>} constant |
| 48 |
@param viewport: Viewport in which objects are to be rendered on |
| 49 |
@type lut : L{Lut <constant.Lut>} constant |
| 50 |
@param lut: Lookup table color scheme |
| 51 |
@type outline: Boolean |
| 52 |
@param outline: Places an outline around the domain surface |
| 53 |
""" |
| 54 |
|
| 55 |
# NOTE: Actor3D is inherited and there are two instances declared here. |
| 56 |
# As a result, when methods from Actor3D is invoked from the driver, |
| 57 |
# only the methods associated with the latest instance (which in this |
| 58 |
# case is the Actor3D for the Velocity) can be executed. Actor3D |
| 59 |
# methods associated with Outline cannot be invoked from the driver. |
| 60 |
# They can only be called within here, which is why Outline must be |
| 61 |
# place before Velocity as there is unlikely to be any changes |
| 62 |
# made to the Outline's Actor3D. |
| 63 |
|
| 64 |
# ----- Outline ----- |
| 65 |
|
| 66 |
if(outline == True): |
| 67 |
outline = Outline(data_collector._getOutput()) |
| 68 |
DataSetMapper.__init__(self, outline._getOutput()) |
| 69 |
|
| 70 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 71 |
# Default outline color is black. |
| 72 |
Actor3D.setColor(self, Color.BLACK) |
| 73 |
|
| 74 |
# Default line width is 1. |
| 75 |
Actor3D._setLineWidth(self, 1) |
| 76 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
| 77 |
|
| 78 |
# ----- Velocity ----- |
| 79 |
|
| 80 |
# NOTE: Two 'ifs' were used instead of an if-elif because an active |
| 81 |
# scalar and an active vector attribute may be specified at the same |
| 82 |
# time. One may be for the color mode and the other for the |
| 83 |
# scaling mode. |
| 84 |
#if(vector != None): |
| 85 |
# data_collector._setActiveVector(vector) |
| 86 |
#if(scalar != None): |
| 87 |
# data_collector._setActiveScalar(scalar) |
| 88 |
|
| 89 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 90 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 91 |
# will take place. |
| 92 |
if(lut == Lut.COLOR): # Colored lookup table. |
| 93 |
lookup_table = LookupTable() |
| 94 |
lookup_table._setTableValue() |
| 95 |
elif(lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 96 |
lookup_table = LookupTable() |
| 97 |
lookup_table._setLookupTableToGreyScale() |
| 98 |
|
| 99 |
StructuredPoints.__init__(self, data_collector._getOutput()) |
| 100 |
Probe.__init__(self, data_collector._getOutput(), |
| 101 |
StructuredPoints._getStructuredPoints(self)) |
| 102 |
|
| 103 |
if(arrow == Arrow.TWO_D): # Use 2D arrows. |
| 104 |
Arrow2D.__init__(self) |
| 105 |
Glyph3D.__init__(self, Probe._getOutput(self), |
| 106 |
Arrow2D._getOutput(self)) |
| 107 |
elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
| 108 |
Arrow3D.__init__(self) |
| 109 |
Glyph3D.__init__(self, Probe._getOutput(self), |
| 110 |
Arrow3D._getOutput(self)) |
| 111 |
|
| 112 |
DataSetMapper.__init__(self, Glyph3D._getOutput(self), |
| 113 |
lookup_table._getLookupTable()) |
| 114 |
|
| 115 |
if(color_mode == ColorMode.VECTOR): # Color velocity by vector. |
| 116 |
Glyph3D._setColorModeByVector(self) |
| 117 |
Glyph3D._setRange(self, data_collector._getVectorRange()) |
| 118 |
DataSetMapper._setScalarRange(self, |
| 119 |
data_collector._getVectorRange()) |
| 120 |
elif(color_mode == ColorMode.SCALAR): # Color velocity by scalar. |
| 121 |
Glyph3D._setColorModeByScalar(self) |
| 122 |
Glyph3D._setRange(self, data_collector._getVectorRange()) |
| 123 |
DataSetMapper._setScalarRange(self, |
| 124 |
data_collector._getScalarRange()) |
| 125 |
|
| 126 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 127 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
| 128 |
|
| 129 |
|
| 130 |
############################################################################### |
| 131 |
|
| 132 |
|
| 133 |
from transform import Transform |
| 134 |
from plane import Plane |
| 135 |
from cutter import Cutter |
| 136 |
|
| 137 |
# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, Transform, Plane, |
| 138 |
# Cutter, StructuredPoints and Probe were inherited to allow access to |
| 139 |
# their public methods from the driver. |
| 140 |
class VelocityOnPlaneCut(DataSetMapper, Actor3D, Arrow2D, Arrow3D, |
| 141 |
Glyph3D, Transform, Plane, Cutter, StructuredPoints, Probe): |
| 142 |
""" |
| 143 |
Class that show a vector field using arrows on a plane. |
| 144 |
""" |
| 145 |
|
| 146 |
# The SOUTH_WEST default viewport is used when there is only one viewport. |
| 147 |
# This saves the user from specifying the viewport when there is only one. |
| 148 |
# If no vector field is specified, the first encountered in the file will |
| 149 |
# be loaded automatically. If no lut is specified, the color scheme will |
| 150 |
# be used. |
| 151 |
def __init__(self, scene, data_collector, vector = None, scalar = None, |
| 152 |
arrow = Arrow.TWO_D, color_mode = ColorMode.VECTOR, |
| 153 |
viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, outline = True): |
| 154 |
""" |
| 155 |
@type scene: L{Scene <scene.Scene>} object |
| 156 |
@param scene: Scene in which objects are to be rendered on |
| 157 |
@type data_collector: L{DataCollector <datacollector.DataCollector>} |
| 158 |
object |
| 159 |
@param data_collector: Deal with source of data for visualisation |
| 160 |
@type vector: String |
| 161 |
@param vector: Vector field to load from the source file |
| 162 |
@type scalar: String |
| 163 |
@param scalar: Scalar field to load from the source file |
| 164 |
@type arrow: L{Arrow <constant.Arrow>} constant |
| 165 |
@param arrow: Type of arrow (two dimensional or three dimensional) |
| 166 |
@type color_mode: L{ColorMode <constant.ColorMode>} constant |
| 167 |
@param color_mode: Type of color mode |
| 168 |
@type viewport: L{Viewport <constant.Viewport>} constant |
| 169 |
@param viewport: Viewport in which objects are to be rendered on |
| 170 |
@type lut : L{Lut <constant.Lut>} constant |
| 171 |
@param lut: Lookup table color scheme |
| 172 |
@type outline: Boolean |
| 173 |
@param outline: Places an outline around the domain surface |
| 174 |
""" |
| 175 |
|
| 176 |
# NOTE: Actor3D is inherited and there are two instances declared here. |
| 177 |
# As a result, when methods from Actor3D is invoked from the driver, |
| 178 |
# only the methods associated with the latest instance (which in this |
| 179 |
# case is the Actor3D for the Velocity) can be executed. Actor3D |
| 180 |
# methods associated with Outline cannot be invoked from the driver. |
| 181 |
# They can only be called within here, which is why Outline must be |
| 182 |
# place before Velocity as there is unlikely to be any changes |
| 183 |
# made to the Outline's Actor3D. |
| 184 |
|
| 185 |
# ----- Outline ----- |
| 186 |
|
| 187 |
if(outline == True): |
| 188 |
outline = Outline(data_collector._getOutput()) |
| 189 |
DataSetMapper.__init__(self, outline._getOutput()) |
| 190 |
|
| 191 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 192 |
# Default outline color is black. |
| 193 |
Actor3D.setColor(self, Color.BLACK) |
| 194 |
|
| 195 |
# Default line width is 1. |
| 196 |
Actor3D._setLineWidth(self, 1) |
| 197 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
| 198 |
|
| 199 |
# ----- Velocity on a cut plane ----- |
| 200 |
|
| 201 |
# NOTE: Two 'ifs' were used instead of an if-elif because an active |
| 202 |
# scalar and an active vector attribute may be specified at the same |
| 203 |
# time. One may be for the color mode and the other for the |
| 204 |
# scaling mode. |
| 205 |
#if(vector != None): |
| 206 |
# data_collector._setActiveVector(vector) |
| 207 |
#if(scalar != None): |
| 208 |
# data_collector._setActiveScalar(scalar) |
| 209 |
|
| 210 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 211 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 212 |
# will take place. |
| 213 |
if(lut == Lut.COLOR): # Colored lookup table. |
| 214 |
lookup_table = LookupTable() |
| 215 |
lookup_table._setTableValue() |
| 216 |
elif(lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 217 |
lookup_table = LookupTable() |
| 218 |
lookup_table._setLookupTableToGreyScale() |
| 219 |
|
| 220 |
Transform.__init__(self) |
| 221 |
Plane.__init__(self, Transform._getTransform(self)) |
| 222 |
|
| 223 |
StructuredPoints.__init__(self, data_collector._getOutput()) |
| 224 |
Probe.__init__(self, data_collector._getOutput(), |
| 225 |
StructuredPoints._getStructuredPoints(self)) |
| 226 |
|
| 227 |
Cutter.__init__(self, Probe._getOutput(self), |
| 228 |
Plane._getPlane(self)) |
| 229 |
|
| 230 |
if(arrow == Arrow.TWO_D): # Use 2D arrows. |
| 231 |
Arrow2D.__init__(self) |
| 232 |
Glyph3D.__init__(self, Cutter._getOutput(self), |
| 233 |
Arrow2D._getOutput(self)) |
| 234 |
elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
| 235 |
Arrow3D.__init__(self) |
| 236 |
Glyph3D.__init__(self, Cutter._getOutput(self), |
| 237 |
Arrow3D._getOutput(self)) |
| 238 |
|
| 239 |
DataSetMapper.__init__(self, Glyph3D._getOutput(self), |
| 240 |
lookup_table._getLookupTable()) |
| 241 |
|
| 242 |
if(color_mode == ColorMode.VECTOR): # Color velocity by vector. |
| 243 |
Glyph3D._setColorModeByVector(self) |
| 244 |
Glyph3D._setRange(self, data_collector._getVectorRange()) |
| 245 |
DataSetMapper._setScalarRange(self, |
| 246 |
data_collector._getVectorRange()) |
| 247 |
elif(color_mode == ColorMode.SCALAR): # Color velocity by scalar. |
| 248 |
Glyph3D._setColorModeByScalar(self) |
| 249 |
Glyph3D._setRange(self, data_collector._getVectorRange()) |
| 250 |
DataSetMapper._setScalarRange(self, |
| 251 |
data_collector._getScalarRange()) |
| 252 |
|
| 253 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 254 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
| 255 |
|
| 256 |
|
| 257 |
############################################################################### |
| 258 |
|
| 259 |
|
| 260 |
from clipper import Clipper |
| 261 |
|
| 262 |
# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, Transform, Plane, |
| 263 |
# Clipper, StructuredPoints and Probe were inherited to allow access to |
| 264 |
# their public methods from the driver. |
| 265 |
class VelocityOnPlaneClip(DataSetMapper, Actor3D, Arrow2D, Arrow3D, |
| 266 |
Glyph3D, Transform, Plane, Clipper, StructuredPoints, Probe): |
| 267 |
""" |
| 268 |
Class that show a vector field using arrows on a clipped plane. |
| 269 |
""" |
| 270 |
|
| 271 |
# The SOUTH_WEST default viewport is used when there is only one viewport. |
| 272 |
# This saves the user from specifying the viewport when there is only one. |
| 273 |
# If no vector field is specified, the first encountered in the file will |
| 274 |
# be loaded automatically. If no lut is specified, the color scheme will |
| 275 |
# be used. |
| 276 |
def __init__(self, scene, data_collector, vector = None, scalar = None, |
| 277 |
arrow = Arrow.TWO_D, color_mode = ColorMode.VECTOR, |
| 278 |
viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, outline = True): |
| 279 |
""" |
| 280 |
@type scene: L{Scene <scene.Scene>} object |
| 281 |
@param scene: Scene in which objects are to be rendered on |
| 282 |
@type data_collector: L{DataCollector <datacollector.DataCollector>} |
| 283 |
object |
| 284 |
@param data_collector: Deal with source of data for visualisation |
| 285 |
@type vector: String |
| 286 |
@param vector: Vector field to load from the source file |
| 287 |
@type scalar: String |
| 288 |
@param scalar: Scalar field to load from the source file |
| 289 |
@type arrow: L{Arrow <constant.Arrow>} constant |
| 290 |
@param arrow: Type of arrow (two dimensional or three dimensional) |
| 291 |
@type color_mode: L{ColorMode <constant.ColorMode>} constant |
| 292 |
@param color_mode: Type of color mode |
| 293 |
@type viewport: L{Viewport <constant.Viewport>} constant |
| 294 |
@param viewport: Viewport in which objects are to be rendered on |
| 295 |
@type lut : L{Lut <constant.Lut>} constant |
| 296 |
@param lut: Lookup table color scheme |
| 297 |
@type outline: Boolean |
| 298 |
@param outline: Places an outline around the domain surface |
| 299 |
""" |
| 300 |
|
| 301 |
# NOTE: Actor3D is inherited and there are two instances declared here. |
| 302 |
# As a result, when methods from Actor3D is invoked from the driver, |
| 303 |
# only the methods associated with the latest instance (which in this |
| 304 |
# case is the Actor3D for the Velocity) can be executed. Actor3D |
| 305 |
# methods associated with Outline cannot be invoked from the driver. |
| 306 |
# They can only be called within here, which is why Outline must be |
| 307 |
# place before Velocity as there is unlikely to be any changes |
| 308 |
# made to the Outline's Actor3D. |
| 309 |
|
| 310 |
# ----- Outline ----- |
| 311 |
|
| 312 |
if(outline == True): |
| 313 |
outline = Outline(data_collector._getOutput()) |
| 314 |
DataSetMapper.__init__(self, outline._getOutput()) |
| 315 |
|
| 316 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 317 |
# Default outline color is black. |
| 318 |
Actor3D.setColor(self, Color.BLACK) |
| 319 |
|
| 320 |
# Default line width is 1. |
| 321 |
Actor3D._setLineWidth(self, 1) |
| 322 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
| 323 |
|
| 324 |
# ----- Velocity on a clipped plane ----- |
| 325 |
|
| 326 |
# NOTE: Two 'ifs' were used instead of an if-elif because an active |
| 327 |
# scalar and an active vector attribute may be specified at the same |
| 328 |
# time. One may be for the color mode and the other for the |
| 329 |
# scaling mode. |
| 330 |
#if(vector != None): |
| 331 |
# data_collector._setActiveVector(vector) |
| 332 |
#if(scalar != None): |
| 333 |
# data_collector._setActiveScalar(scalar) |
| 334 |
|
| 335 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 336 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 337 |
# will take place. |
| 338 |
if(lut == Lut.COLOR): # Colored lookup table. |
| 339 |
lookup_table = LookupTable() |
| 340 |
lookup_table._setTableValue() |
| 341 |
elif(lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 342 |
lookup_table = LookupTable() |
| 343 |
lookup_table._setLookupTableToGreyScale() |
| 344 |
|
| 345 |
Transform.__init__(self) |
| 346 |
Plane.__init__(self, Transform._getTransform(self)) |
| 347 |
|
| 348 |
StructuredPoints.__init__(self, data_collector._getOutput()) |
| 349 |
Probe.__init__(self, data_collector._getOutput(), |
| 350 |
StructuredPoints._getStructuredPoints(self)) |
| 351 |
|
| 352 |
# NOTE: Glyph3D must come before Clipper. Otherwise, the output will |
| 353 |
# be incorrect. |
| 354 |
if(arrow == Arrow.TWO_D): # Use 2D arrows. |
| 355 |
Arrow2D.__init__(self) |
| 356 |
#Glyph3D.__init__(self, data_collector._getOutput(), |
| 357 |
Glyph3D.__init__(self, Probe._getOutput(self), |
| 358 |
Arrow2D._getOutput(self)) |
| 359 |
elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
| 360 |
Arrow3D.__init__(self) |
| 361 |
Glyph3D.__init__(self, Probe._getOutput(self), |
| 362 |
Arrow3D._getOutput(self)) |
| 363 |
|
| 364 |
# NOTE: Clipper must come after Glyph3D. Otherwise, the output will |
| 365 |
# be incorrect. |
| 366 |
Clipper.__init__(self, Glyph3D._getOutput(self), |
| 367 |
Plane._getPlane(self)) |
| 368 |
Clipper._setClipFunction(self) |
| 369 |
|
| 370 |
DataSetMapper.__init__(self, Clipper._getOutput(self), |
| 371 |
lookup_table._getLookupTable()) |
| 372 |
|
| 373 |
if(color_mode == ColorMode.VECTOR): # Color velocity by vector. |
| 374 |
Glyph3D._setColorModeByVector(self) |
| 375 |
Glyph3D._setRange(self, data_collector._getVectorRange()) |
| 376 |
DataSetMapper._setScalarRange(self, |
| 377 |
data_collector._getVectorRange()) |
| 378 |
elif(color_mode == ColorMode.SCALAR): # Color velocity by scalar. |
| 379 |
Glyph3D._setColorModeByScalar(self) |
| 380 |
Glyph3D._setRange(self, data_collector._getVectorRange()) |
| 381 |
DataSetMapper._setScalarRange(self, |
| 382 |
data_collector._getScalarRange()) |
| 383 |
|
| 384 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 385 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
Parent Directory
| 
Revision Log