def RequestData(self, request, inInfo, outInfo):
from vtk.numpy_interface import dataset_adapter as dsa
import PVGeo._helpers as inputhelp
from PVGeo.filters import pointsToTube
# Get input/output of Proxy
pdi = self.GetInputData(inInfo, 0, 0)
pdo = self.GetOutputData(outInfo, 0)
# Grab input arrays to process from drop down menus
# - Grab all fields for input arrays:
fields = []
for i in range(3):
fields.append(inputhelp.get_selected_array_field(self, i))
# - Simply grab the names
names = []
for i in range(9):
names.append(inputhelp.get_selected_array_name(self, i))
# Pass array names and associations on to process
# Get the input arrays
wpdi = dsa.WrapDataObject(pdi)
arrs = []
for i in range(9):
arrs.append(inputhelp.get_array(wpdi, fields[i], names[i]))
# grab coordinates for each part of boring machine at time idx as row
executive = self.GetExecutive()
outInfo = executive.GetOutputInformation(0)
idx = int(outInfo.Get(executive.UPDATE_TIME_STEP()) / self.__dt)
pts = []
for i in range(3):
x = arrs[i * 3][idx]
y = arrs[i * 3 + 1][idx]
z = arrs[i * 3 + 2][idx]
pts.append((x, y, z))
# now exectute a points to tube filter
vtk_pts = vtk.vtkPoints()
for i in range(len(pts)):
vtk_pts.InsertNextPoint(pts[i][0], pts[i][1], pts[i][2])
poly = vtk.vtkPolyData()
poly.SetPoints(vtk_pts)
pointsToTube(poly,
radius=self.__diameter / 2,
numSides=20,
nrNbr=False,
pdo=pdo)
return 1
def RequestData():
import numpy as np
from vtk.numpy_interface import dataset_adapter as dsa
import PVGeo._helpers as inputhelp
from PVGeo.filters import pointsToTube
# Get input/output of Proxy
pdi = self.GetInput()
pdo = self.GetOutput()
# Grab input arrays to process from drop down menus
#- Grab all fields for input arrays:
fields = []
for i in range(4):
fields.append(inputhelp.get_selected_array_field(self, i))
#- Simply grab the names
names = []
for i in range(4):
names.append(inputhelp.get_selected_array_name(self, i))
# Pass array names and associations on to process
# Get the input arrays
wpdi = dsa.WrapDataObject(pdi)
arrs = []
for i in range(4):
arrs.append(inputhelp.get_array(wpdi, fields[i], names[i]))
# Get indices for TimeSteps
idcs = np.where(arrs[3] == 2)[0]
# grab coordinates for each part of boring machine at time idx as row
executive = self.GetExecutive()
outInfo = executive.GetOutputInformation(0)
idx = int(outInfo.Get(executive.UPDATE_TIME_STEP()) / dt)
index = idcs[idx]
x = arrs[0][index]
y = arrs[1][index]
z = arrs[2][index]
center = (x, y, z)
pts = []
# now compute unit vector.
def unitVec(s, g):
# Direction Vector: Vector points from receiver to source
vec = (s[0] - g[0], s[1] - g[1], s[2] - g[2])
# Total spatial distance:
dist = np.sqrt(vec[0]**2 + vec[1]**2 + vec[2]**2)
# Get unit vector for direction
return (vec[0] / dist, vec[1] / dist, vec[2] / dist)
if idx == (len(idcs) - 1):
# use vect between current and last different points
iii = 1
for i in range(1, idx):
if arrs[0][idcs[idx - i]] != x or arrs[1][idcs[
idx - i]] != y or arrs[2][idcs[idx - i]] != z:
iii = i
break
index = idcs[idx - iii]
vec = unitVec((arrs[0][index], arrs[1][index], arrs[2][index]), center)
else:
# get vector from current point to next different point.
iii = 1
for i in range(1, len(idcs) - idx):
if arrs[0][idcs[idx + i]] != x or arrs[1][idcs[
idx + i]] != y or arrs[2][idcs[idx + i]] != z:
iii = i
break
index = idcs[idx + iii]
vec = unitVec(center, (arrs[0][index], arrs[1][index], arrs[2][index]))
# Generate two more points Length/2 away in pos/neg unit vector direction
def genPts(vec, c, l):
"""Generates two points l dist away from c in direction vec"""
x1 = c[0] - (vec[0] * l)
y1 = c[1] - (vec[1] * l)
z1 = c[2] - (vec[2] * l)
x2 = c[0] + (vec[0] * l)
y2 = c[1] + (vec[1] * l)
z2 = c[2] + (vec[2] * l)
return ((x1, y1, z1), (x2, y2, z2))
# append the points and done. 3 points total
add = genPts(vec, center, Length / 2)
#- append neg first
pts.append(add[0])
#- append center
pts.append(center)
#- append pos last
pts.append(add[1])
# Generate tube:
vtk_pts = vtk.vtkPoints()
for i in range(len(pts)):
vtk_pts.InsertNextPoint(pts[i][0], pts[i][1], pts[i][2])
poly = vtk.vtkPolyData()
poly.SetPoints(vtk_pts)
pointsToTube(poly, radius=Diameter / 2, numSides=20, nrNbr=False, pdo=pdo)