def constructWorldBox(data_box):
box = VisusBoundingBox()
scale_factor = 10.0 / (data_box[3] - data_box[0])
tmp = 10.0 / (data_box[4] - data_box[1])
if tmp < scale_factor:
scale_factor = tmp
tmp = 10.0 / (data_box[5] - data_box[2])
if tmp < scale_factor:
scale_factor = tmp
for i in xrange(3):
box[i] = -(data_box[i + 3] - data_box[i]) * scale_factor / 2.0
box[i + 3] = +(data_box[i + 3] - data_box[i]) * scale_factor / 2.0
return box
def createData():
global gBBox, gDataSet, adata
import numpy
from math import sqrt, pow
from pyvisus.numpyconversion import VisusIncoreEncoder
idim = 50
jdim = 50
kdim = 50
data = []
for i in xrange(idim * jdim * kdim):
data.append(0)
for i in xrange(idim):
for j in xrange(jdim):
for k in xrange(kdim):
data[k + j * kdim + i * jdim * kdim] = sqrt(
pow(i - 25.0, 2) + pow(j - 25.0, 2) + pow(k - 25.0, 2))
adata = numpy.array(data)
encoder = VisusIncoreEncoder(idim, jdim, kdim, 1)
encoder.domain([0, 0, 0], [1.0 * idim, 1.0 * jdim, 0.1 * kdim])
encoder.field(adata)
gDataSet = str(encoder)
# Make the data source
print "Opening dataset(%s)" % gDataSet
data = VisusDataSourceFactory.make(gDataSet)
if not data.isValid():
raise RuntimeError("Loaded data is not valid")
gSamples = data.samples()
left = VectorDouble(3)
right = VectorDouble(3)
data.domainBoundingBox(left, right)
gBBox = VisusBoundingBox()
gBBox.set(left, right)
return
def createData(filename=None):
global gBBox, gDataSet, adata
if filename is None:
import numpy
from math import sqrt, pow
from pyvisus.numpyconversion import VisusIncoreEncoder
data = []
for i in xrange(50 * 50 * 50):
data.append(0)
for i in xrange(50):
for j in xrange(50):
for k in xrange(50):
data[k + j * 50 + i * 50 * 50] = sqrt(
pow(i - 25.0, 2) + pow(j - 25.0, 2) + pow(k - 25.0, 2))
adata = numpy.array(data)
encoder = VisusIncoreEncoder(50, 50, 50)
encoder.field(adata)
gDataSet = str(encoder)
else:
gDataSet = "Idx:%s" % filename
# Make the data source
print "Opening dataset(%s)" % gDataSet
data = VisusDataSourceFactory.make(gDataSet)
if not data.isValid():
raise RuntimeError("Loaded data is not valid")
gSamples = data.samples()
left = VectorDouble(3)
right = VectorDouble(3)
data.domainBoundingBox(left, right)
gBBox = VisusBoundingBox()
gBBox.set(left, right)
return
glutDisplayFunc(display)
glutReshapeFunc(reshape)
glutMouseFunc(mouse)
glutKeyboardFunc(keyboard)
glutMotionFunc(motion)
glutIdleFunc(idle)
data = createData(func1, 0)
gSamples = data.samples()
left = VectorDouble(3)
right = VectorDouble(3)
data.domainBoundingBox(left, right)
gBBox = VisusBoundingBox()
gBBox.set(left, right)
createData(func2, 1)
box = constructWorldBox(gBBox)
# Create the default scene graph
#gRoot = VisusSceneNode.construct()
gRoot = VisusGroup.construct()
if not gRoot.setValue(gBBox):
print "Error occurred setting bbox"
gRoot.mapToWorldBox(box)
gRoot.drawBoundingBox(True)
gFocus = gRoot
