sphere = tvtk.SphereSource(center=(2, center[1], center[2]),
radius=2,
phi_resolution=6,
theta_resolution=6)
sphere_mapper = tvtk.PolyDataMapper(input_connection=sphere.output_port)
sphere_actor = tvtk.Actor(mapper=sphere_mapper)
sphere_actor.property.set(representation="wireframe", color=(0, 0, 0))
streamer = tvtk.StreamLine(step_length=0.0001,
integration_direction="forward",
integrator=tvtk.RungeKutta4())
streamer.set_input_data(grid)
streamer.set_source_connection(sphere.output_port)
tube = tvtk.TubeFilter(input_connection=streamer.output_port,
radius=0.05,
number_of_sides=6,
vary_radius="vary_radius_by_scalar")
tube_mapper = tvtk.PolyDataMapper(input_connection=tube.output_port,
scalar_range=grid.point_data.scalars.range)
tube_actor = tvtk.Actor(mapper=tube_mapper)
tube_actor.property.backface_culling = True
outline_actor = make_outline(grid)
win = ivtk_scene([outline_actor, sphere_actor, tube_actor, arrows_actor])
win.scene.isometric_view()
event_loop()
# -*- coding: utf-8 -*- from tvtk.api import tvtk from scpy2.tvtk.tvtkhelp import ivtk_scene, event_loop cs = tvtk.ConeSource(height=3.0, radius=1.0, resolution=36) m = tvtk.PolyDataMapper(input_connection=cs.output_port) a = tvtk.Actor(mapper=m) win = ivtk_scene([a]) win.scene.isometric_view() event_loop()
from tvtk.api import tvtk r1 = 0.5 r2 = 0.9 cs1 = tvtk.CylinderSource(height=1, radius=r2, resolution=32) cs2 = tvtk.CylinderSource(height=1.1, radius=r1, resolution=32) triangle1 = tvtk.TriangleFilter(input_connection=cs1.output_port) triangle2 = tvtk.TriangleFilter(input_connection=cs2.output_port) bf = tvtk.BooleanOperationPolyDataFilter() bf.operation = "difference" bf.set_input_connection(0, triangle1.output_port) bf.set_input_connection(1, triangle2.output_port) m = tvtk.PolyDataMapper(input_connection=bf.output_port, scalar_visibility=False) a = tvtk.Actor(mapper=m) a.property.color = 0.5, 0.5, 0.5 from scpy2.tvtk.tvtkhelp import ivtk_scene, event_loop scene = ivtk_scene([a]) event_loop()
# 创建颜色映射表
import pylab as pl
lut = tvtk.LookupTable()
lut.table = pl.cm.cool(np.arange(0, 256)) * 255
# 显示StructuredGrid中的一个网格面
plane = tvtk.StructuredGridGeometryFilter(extent=(0, 100, 0, 100, 6, 6))
plane.set_input_data(grid)
plane_mapper = tvtk.PolyDataMapper(input_connection=plane.output_port, lookup_table=lut)
plane_mapper.scalar_range = grid.scalar_range
plane_actor = tvtk.Actor(mapper=plane_mapper)
lut2 = tvtk.LookupTable()
lut2.table = pl.cm.cool(np.arange(0, 256)) * 255
cut_plane = tvtk.Plane(origin=grid.center, normal=(-0.287, 0, 0.9579))
cut = tvtk.Cutter(cut_function=cut_plane)
cut.set_input_data(grid)
cut_mapper = tvtk.PolyDataMapper(lookup_table=lut2, input_connection=cut.output_port)
cut_actor = tvtk.Actor(mapper=cut_mapper)
outline_actor = make_outline(grid)
from scpy2.tvtk.tvtkhelp import ivtk_scene, event_loop
win = ivtk_scene([plane_actor, cut_actor, outline_actor])
win.scene.isometric_view()
event_loop()
# -*- coding: utf-8 -*-
from .example_cut_plane import read_data
from tvtk.api import tvtk
from scpy2.tvtk.tvtkhelp import ivtk_scene, event_loop, make_outline
plot3d = read_data()
grid = plot3d.output.get_block(0)
contours = tvtk.ContourFilter()
contours.set_input_data(grid)
contours.generate_values(8, grid.point_data.scalars.range)
mapper = tvtk.PolyDataMapper(scalar_range=grid.point_data.scalars.range,
input_connection=contours.output_port)
actor = tvtk.Actor(mapper=mapper)
actor.property.opacity = 0.3
outline_actor = make_outline(grid)
win = ivtk_scene([actor, outline_actor])
win.scene.isometric_view()
event_loop()
# -*- coding: utf-8 -*-
from example_cut_plane import read_data
from tvtk.api import tvtk
if __name__ == "__main__":
plot3d = read_data()
contours = tvtk.ContourFilter(input = plot3d.output)
contours.generate_values(8, plot3d.output.point_data.scalars.range) #{1}
mapper = tvtk.PolyDataMapper(input = contours.output,
scalar_range = plot3d.output.point_data.scalars.range) #{2}
actor = tvtk.Actor(mapper = mapper)
actor.property.opacity = 0.3 #{3}
# StructuredGridÍø¸ñµÄÍâ¿ò
outline = tvtk.StructuredGridOutlineFilter(input = plot3d.output)
outline_mapper = tvtk.PolyDataMapper(input = outline.output)
outline_actor = tvtk.Actor(mapper = outline_mapper)
outline_actor.property.color = 0.3, 0.3, 0.3
from scpy2.tvtk.tvtkhelp import ivtk_scene
win = ivtk_scene([actor, outline_actor])
win.scene.isometric_view()
from pyface.api import GUI
gui = GUI()
gui.start_event_loop()
input = plot3d.output,
source = sphere.output,
step_length = 0.0001,
integration_direction = "forward",
integrator = tvtk.RungeKutta4()) #{3}
tube = tvtk.TubeFilter( #{4}
input = streamer.output,
radius = 0.05,
number_of_sides = 6,
vary_radius = "vary_radius_by_scalar")
tube_mapper = tvtk.PolyDataMapper(
input = tube.output,
scalar_range = plot3d.output.point_data.scalars.range)
tube_actor = tvtk.Actor(mapper = tube_mapper)
tube_actor.property.backface_culling = True
###2###
# StructuredGrid网格的外框
outline = tvtk.StructuredGridOutlineFilter(input = plot3d.output)
outline_mapper = tvtk.PolyDataMapper(input = outline.output)
outline_actor = tvtk.Actor(mapper = outline_mapper)
outline_actor.property.color = 0.3, 0.3, 0.3
from scpy2.tvtk.tvtkhelp import ivtk_scene
win = ivtk_scene([outline_actor, sphere_actor, tube_actor, arrows_actor])
win.scene.isometric_view()
from pyface.api import GUI
gui = GUI()
gui.start_event_loop()
# 创建颜色映射表
import pylab as pl
lut = tvtk.LookupTable()
lut.table = pl.cm.cool(np.arange(0, 256)) * 255
# 显示StructuredGrid中的一个网格面
plane = tvtk.StructuredGridGeometryFilter(extent=(0, 100, 0, 100, 6, 6))
plane.set_input_data(grid)
plane_mapper = tvtk.PolyDataMapper(input_connection=plane.output_port, lookup_table=lut)
plane_mapper.scalar_range = grid.scalar_range
plane_actor = tvtk.Actor(mapper=plane_mapper)
lut2 = tvtk.LookupTable()
lut2.table = pl.cm.cool(np.arange(0, 256)) * 255
cut_plane = tvtk.Plane(origin=grid.center, normal=(-0.287, 0, 0.9579))
cut = tvtk.Cutter(cut_function=cut_plane)
cut.set_input_data(grid)
cut_mapper = tvtk.PolyDataMapper(lookup_table=lut2, input_connection=cut.output_port)
cut_actor = tvtk.Actor(mapper=cut_mapper)
outline_actor = make_outline(grid)
from scpy2.tvtk.tvtkhelp import ivtk_scene, event_loop
win = ivtk_scene([plane_actor, cut_actor, outline_actor])
win.scene.isometric_view()
event_loop()
from tvtk.api import tvtk r1 = 0.5 r2 = 0.9 cs1 = tvtk.CylinderSource(height=1, radius=r2, resolution=32) cs2 = tvtk.CylinderSource(height=1.1, radius=r1, resolution=32) triangle1 = tvtk.TriangleFilter(input_connection=cs1.output_port) triangle2 = tvtk.TriangleFilter(input_connection=cs2.output_port) bf = tvtk.BooleanOperationPolyDataFilter() bf.operation = "difference" bf.set_input_connection(0, triangle1.output_port) bf.set_input_connection(1, triangle2.output_port) m = tvtk.PolyDataMapper(input_connection=bf.output_port, scalar_visibility=False) a = tvtk.Actor(mapper=m) a.property.color = 0.5, 0.5, 0.5 from scpy2.tvtk.tvtkhelp import ivtk_scene, event_loop scene = ivtk_scene([a]) event_loop()