/
StructuredGridPlot.py
599 lines (495 loc) · 23.8 KB
/
StructuredGridPlot.py
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'''
Created on Apr 23, 2014
@author: tpmaxwell
'''
import vtk, sys, os
from ColorMapManager import *
from Shapefile import shapeFileReader
from StructuredVariableReader import StructuredDataReader
from DV3DPlot import *
class StructuredGridPlot(DV3DPlot):
def __init__( self, **args ):
DV3DPlot.__init__( self, **args )
self.iOrientation = 0
self.variables = {}
self.metadata = {}
self.isValid = True
self.configDialog = None
self.stereoEnabled = 0
self.inputSpecs = {}
self.pipelineBuilt = False
self.baseMapActor = None
self.enableBasemap = True
self.map_opacity = [ 0.4, 0.4 ]
self.zincSkipIndex = 5
self.roi = None
self.shapefilePolylineActors = {}
self.basemapLineSpecs = {}
def processToggleClippingCommand( self, args, config_function ):
if args and args[0] == "InitConfig":
self.toggleClipping( args[1] )
def processVerticalScalingCommand( self, args, config_function ):
verticalScale = config_function.value
if args and args[0] == "StartConfig":
pass
elif args and args[0] == "Init":
self.setZScale( config_function.initial_value )
verticalScale.setValue( 'count', 1 )
elif args and args[0] == "EndConfig":
pass
elif args and args[0] == "InitConfig":
self.updateTextDisplay( config_function.label )
bbar = self.getInteractionButtons()
bbar.slidersVisible = [ ( islider < len(config_function.sliderLabels) ) for islider in range(4) ]
elif args and args[0] == "Open":
pass
elif args and args[0] == "Close":
pass
elif args and args[0] == "UpdateConfig":
count = verticalScale.incrementValue( 'count' )
if count % self.zincSkipIndex == 0:
value = args[2].GetValue()
vscale = verticalScale.getValues()
vscale[ args[1] ] = value
self.setZScale( vscale )
verticalScale.setValues( vscale )
def onKeyEvent(self, eventArgs ):
key = eventArgs[0]
md = self.getInputSpec().getMetadata()
if ( key == 'r' ):
self.resetCamera()
elif ( md and ( md.get('plotType','')=='xyz' ) and ( key == 't' ) ):
self.showInteractiveLens = not self.showInteractiveLens
self.render()
else:
return DV3DPlot.onKeyEvent( self, eventArgs )
return 1
def getRangeBounds( self, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.getRangeBounds()
def setZScale( self, zscale_data, **args ):
self.setInputZScale( zscale_data, **args )
def setRangeBounds( self, rbounds, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
ispec.rangeBounds[:] = rbounds[:]
def setMaxScalarValue(self, iDType ):
if iDType == vtk.VTK_UNSIGNED_CHAR: self._max_scalar_value = 255
elif iDType == vtk.VTK_UNSIGNED_SHORT: self._max_scalar_value = 256*256-1
elif iDType == vtk.VTK_SHORT: self._max_scalar_value = 256*128-1
else: self._max_scalar_value = self.getRangeBounds()[1]
def decimateImage( self, image, decx, decy ):
image.Update()
dims = image.GetDimensions()
image_size = dims[0] * dims[1]
result = image
if image_size > MAX_IMAGE_SIZE:
resample = vtk.vtkImageShrink3D()
resample.SetInput( image )
resample.SetShrinkFactors( decx, decy, 1 )
result = resample.GetOutput()
result.Update()
return result
def getScaleBounds(self):
return [ 0.5, 100.0 ]
def setInputZScale( self, zscale_data, input_index=0, **args ):
ispec = self.inputSpecs[ input_index ]
if ispec.input() <> None:
input = ispec.input()
ns = input.GetNumberOfScalarComponents()
spacing = input.GetSpacing()
ix, iy, iz = spacing
sz = zscale_data[0]
if iz <> sz:
# print " PVM >---------------> Change input zscale: %.4f -> %.4f" % ( iz, sz )
input.SetSpacing( ix, iy, sz )
input.Modified()
self.processScaleChange( spacing, ( ix, iy, sz ) )
return True
return False
def getDataRangeBounds(self, inputIndex=0 ):
ispec = self.getInputSpec( inputIndex )
return ispec.getDataRangeBounds() if ispec else None
def onSlicerLeftButtonPress( self, caller, event ):
self.currentButton = self.LEFT_BUTTON
return 0
def processScaleChange( self, old_spacing, new_spacing ):
pass
def onSlicerRightButtonPress( self, caller, event ):
self.currentButton = self.RIGHT_BUTTON
return 0
def getAxes(self):
pass
def input( self, iIndex = 0 ):
return self.variable_reader.output( iIndex )
def isBuilt(self):
return self.pipelineBuilt
def initializeInputs( self, **args ):
nOutputs = self.variable_reader.nOutputs()
for inputIndex in range( nOutputs ):
ispec = self.variable_reader.outputSpec( inputIndex )
# fd = ispec.input().GetPointData()
# nc = fd.GetNumberOfComponents ()
# nt = fd.GetNumberOfTuples ()
self.inputSpecs[inputIndex] = ispec
if self.roi == None:
self.roi = ispec.metadata.get( 'bounds', None )
self.intiTime( ispec, **args )
self.initMetadata()
def initMetadata(self):
spec = self.inputSpecs[0]
attributes = spec.metadata.get( 'attributes' , None )
if attributes:
self.metadata['var_name'] = attributes[ 'long_name']
self.metadata['var_units'] = attributes[ 'units']
def intiTime(self, ispec, **args):
t = cdtime.reltime( 0, self.variable_reader.referenceTimeUnits )
if t.cmp( cdtime.reltime( 0, ispec.referenceTimeUnits ) ) == 1:
self.variable_reader.referenceTimeUnits = ispec.referenceTimeUnits
tval = args.get( 'timeValue', None )
if tval: self.timeValue = cdtime.reltime( float( args[ 'timeValue' ] ), ispec.referenceTimeUnits )
def execute(self, **args ):
if not self.isBuilt():
self.initializeInputs()
self.buildPipeline()
self.buildBaseMap()
self.initializeConfiguration()
self.pipelineBuilt = True
self.updateModule( **args )
self.render()
def updateModule( self, input_index = 0, **args ):
ispec = self.inputSpecs[ input_index ]
mapper = self.volume.GetMapper()
mapper.SetInput( ispec.input() )
mapper.Modified()
def terminate( self ):
pass
def getScalarRange( self, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.scalarRange
def basemapLinesVisibilityOn(self):
for actor_list in self.shapefilePolylineActors.values():
for actor in actor_list:
if actor: actor.VisibilityOn()
def basemapLinesVisibilityOff(self):
for actor_list in self.shapefilePolylineActors.values():
for actor in actor_list:
if actor: actor.VisibilityOff()
def createBasemapPolyline( self, type, **args ):
ispec = self.getInputSpec(0)
md = ispec.getMetadata()
latLonGrid = md.get( 'latLonGrid', True )
if latLonGrid:
line_specs = self.basemapLineSpecs.get( type, None )
thickness = int( round( line_specs[0] ) ) if line_specs else 0
density = int( round( line_specs[1] ) ) if line_specs else 1
resTypes = [ "invisible", "low", "medium", "high" ]
if (thickness > 0) and ( density > 0 ):
rgb=self.getLayerColor( type )
textFilePath = os.path.join( os.path.dirname(__file__), "data", type, "index.txt" )
s=shapeFileReader()
s.setColors(rgb)
s.setWidth( thickness )
polys=s.getPolyLines( self.roi, textFilePath, resTypes[ density ] )
self.renderer.AddActor(polys)
origin = self.planeWidgetZ.GetOrigin()
pos = polys.GetPosition()
pos1 = [ pos[0], pos[1], origin[2] ]
polys.SetPosition( pos1 )
polys_list = self.shapefilePolylineActors.get( type, [ None, None, None, None, None ] )
polys_list[ density ] = polys
self.shapefilePolylineActors[ type ] = polys_list
def setBasemapLineSpecs( self, shapefile_type, value ):
self.basemapLineSpecs[shapefile_type] = value
npixels = int( round( value[0] ) )
density = int( round( value[1] ) )
polys_list = self.shapefilePolylineActors.get( shapefile_type, [ None, None, None, None, None ] )
try:
selected_polys = polys_list[ density ]
if not selected_polys:
if npixels:
self.createBasemapPolyline( shapefile_type )
else:
for polys in polys_list:
if polys:
polys.SetVisibility( npixels and ( id(polys) == id(selected_polys) ) )
selected_polys.GetProperty().SetLineWidth( npixels )
self.render()
except IndexError:
print>>sys.stderr, " setBasemapLineSpecs: Density too large: %d " % density
def setBasemapCoastlineLineSpecs( self, value, **args ):
self.setBasemapLineSpecs('coastline', value )
def setBasemapStatesLineSpecs( self, value, **args ):
self.setBasemapLineSpecs('states', value )
def setBasemapLakesLineSpecs( self, value, **args ):
self.setBasemapLineSpecs('lakes', value )
def setBasemapCountriesLineSpecs( self, value, **args ):
self.setBasemapLineSpecs('countries', value )
def getBasemapLineSpecs( self, shapefile_type ):
return self.basemapLineSpecs.get( shapefile_type, None )
def getBasemapCoastlineLineSpecs( self, **args ):
return self.getBasemapLineSpecs('coastline' )
def getBasemapStatesLineSpecs( self, **args ):
return self.getBasemapLineSpecs('states' )
def getBasemapLakesLineSpecs( self, **args ):
return self.getBasemapLineSpecs('lakes' )
def getBasemapCountriesLineSpecs( self, **args ):
return self.getBasemapLineSpecs('countries' )
def getInputSpec( self, input_index=0 ):
return self.inputSpecs.get( input_index, None )
def getDataValue( self, image_value, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.getDataValue( image_value )
def getTimeAxis(self):
ispec = self.getInputSpec()
timeAxis = ispec.getMetadata('time') if ispec else None
return timeAxis
def getDataValues( self, image_value_list, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.getDataValues( image_value_list )
def getImageValue( self, data_value, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.getImageValue( data_value )
def getImageValues( self, data_value_list, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.getImageValues( data_value_list )
def scaleToImage( self, data_value, input_index = 0 ):
ispec = self.inputSpecs[ input_index ]
return ispec.scaleToImage( data_value )
# def finalizeLeveling( self, cmap_index=0 ):
# ispec = self.inputSpecs[ cmap_index ]
# ispec.addMetadata( { 'colormap' : self.getColormapSpec(), 'orientation' : self.iOrientation } )
# return DV3DPlot.finalizeLeveling( self, cmap_index=0 )
def initializeConfiguration( self, cmap_index=0, **args ):
ispec = self.inputSpecs[ cmap_index ]
args['units'] = ispec.units
ButtonBarWidget.initializeConfigurations( **args )
ispec.addMetadata( { 'colormap' : self.getColormapSpec(), 'orientation' : self.iOrientation } )
# self.updateSliceOutput()
def getMapOpacity(self):
return self.map_opacity
def setMapOpacity(self, opacity_vals, **args ):
self.map_opacity = opacity_vals
self.updateMapOpacity()
def updateMapOpacity(self, cmap_index=0 ):
if self.baseMapActor:
self.baseMapActor.SetOpacity( self.map_opacity[0] )
self.render()
def showInteractiveLens(self):
pass
def updateLensDisplay(self, screenPos, coord):
pass
def buildBaseMap(self):
if self.baseMapActor <> None: self.renderer.RemoveActor( self.baseMapActor )
world_map = None
map_border_size = 20
self.y0 = -90.0
self.x0 = 0.0
dataPosition = None
if world_map == None:
self.map_file = defaultMapFile
self.map_cut = defaultMapCut
else:
self.map_file = world_map[0].name
self.map_cut = world_map[1]
self.world_cut = -1
if (self.roi <> None):
roi_size = [ self.roi[1] - self.roi[0], self.roi[3] - self.roi[2] ]
map_cut_size = [ roi_size[0] + 2*map_border_size, roi_size[1] + 2*map_border_size ]
if map_cut_size[0] > 360.0: map_cut_size[0] = 360.0
if map_cut_size[1] > 180.0: map_cut_size[1] = 180.0
else:
map_cut_size = [ 360, 180 ]
if self.world_cut == -1:
if (self.roi <> None):
if roi_size[0] > 180:
self.ComputeCornerPosition()
self.world_cut = self.NormalizeMapLon( self.x0 )
else:
dataPosition = [ ( self.roi[1] + self.roi[0] ) / 2.0, ( self.roi[3] + self.roi[2] ) / 2.0 ]
else:
dataPosition = [ 180, 0 ] # [ ( self.roi[1] + self.roi[0] ) / 2.0, ( self.roi[3] + self.roi[2] ) / 2.0 ]
else:
self.world_cut = self.map_cut
self.imageInfo = vtk.vtkImageChangeInformation()
image_reader = vtk.vtkJPEGReader()
image_reader.SetFileName( self.map_file )
image_reader.Update()
baseImage = image_reader.GetOutput()
new_dims, scale = None, None
if dataPosition == None:
baseImage = self.RollMap( baseImage )
new_dims = baseImage.GetDimensions()
scale = [ 360.0/new_dims[0], 180.0/new_dims[1], 1 ]
else:
baseImage, new_dims = self.getBoundedMap( baseImage, dataPosition, map_cut_size, map_border_size )
scale = [ map_cut_size[0]/new_dims[0], map_cut_size[1]/new_dims[1], 1 ]
self.baseMapActor = vtk.vtkImageActor()
self.baseMapActor.SetOrigin( 0.0, 0.0, 0.0 )
self.baseMapActor.SetScale( scale )
self.baseMapActor.SetOrientation( 0.0, 0.0, 0.0 )
self.baseMapActor.SetOpacity( self.map_opacity[0] )
mapCorner = [ self.x0, self.y0 ]
self.baseMapActor.SetPosition( mapCorner[0], mapCorner[1], 0.1 )
if vtk.VTK_MAJOR_VERSION <= 5: self.baseMapActor.SetInput(baseImage)
else: self.baseMapActor.SetInputData(baseImage)
self.mapCenter = [ self.x0 + map_cut_size[0]/2.0, self.y0 + map_cut_size[1]/2.0 ]
self.renderer.AddActor( self.baseMapActor )
def ComputeCornerPosition( self ):
if (self.roi[0] >= -180) and (self.roi[1] <= 180) and (self.roi[1] > self.roi[0]):
self.x0 = -180
return 180
if (self.roi[0] >= 0) and (self.roi[1] <= 360) and (self.roi[1] > self.roi[0]):
self.x0 = 0
return 0
self.x0 = int( round( self.roi[0] / 10.0 ) ) * 10
# print "Set Corner pos: %s, roi: %s " % ( str(self.x0), str(self.roi) )
def GetScaling( self, image_dims ):
return 360.0/image_dims[0], 180.0/image_dims[1], 1
def GetFilePath( self, cut ):
filename = "%s_%d.jpg" % ( self.world_image, cut )
return os.path.join( self.data_dir, filename )
def RollMap( self, baseImage ):
baseImage.Update()
if self.world_cut == self.map_cut: return baseImage
baseExtent = baseImage.GetExtent()
baseSpacing = baseImage.GetSpacing()
x0 = baseExtent[0]
x1 = baseExtent[1]
newCut = self.NormalizeMapLon( self.world_cut )
delCut = newCut - self.map_cut
# print " %%%%%% Roll Map %%%%%%: world_cut=%.1f, map_cut=%.1f, newCut=%.1f " % ( float(self.world_cut), float(self.map_cut), float(newCut) )
imageLen = x1 - x0 + 1
sliceSize = imageLen * ( delCut / 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent = list( baseExtent )
extent[0:2] = [ x0, x0 + sliceCoord - 1 ]
clip0 = vtk.vtkImageClip()
clip0.SetInput( baseImage )
clip0.SetOutputWholeExtent( extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] )
extent[0:2] = [ x0 + sliceCoord, x1 ]
clip1 = vtk.vtkImageClip()
clip1.SetInput( baseImage )
clip1.SetOutputWholeExtent( extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] )
append = vtk.vtkImageAppend()
append.SetAppendAxis( 0 )
append.AddInput( clip1.GetOutput() )
append.AddInput( clip0.GetOutput() )
imageInfo = vtk.vtkImageChangeInformation()
imageInfo.SetInputConnection( append.GetOutputPort() )
imageInfo.SetOutputOrigin( 0.0, 0.0, 0.0 )
imageInfo.SetOutputExtentStart( 0, 0, 0 )
imageInfo.SetOutputSpacing( baseSpacing[0], baseSpacing[1], baseSpacing[2] )
result = imageInfo.GetOutput()
result.Update()
return result
def NormalizeMapLon( self, lon ):
while ( lon < ( self.map_cut - 0.01 ) ): lon = lon + 360
return ( ( lon - self.map_cut ) % 360 ) + self.map_cut
def getBoundedMap( self, baseImage, dataLocation, map_cut_size, map_border_size ):
baseImage.Update()
baseExtent = baseImage.GetExtent()
baseSpacing = baseImage.GetSpacing()
x0 = baseExtent[0]
x1 = baseExtent[1]
y0 = baseExtent[2]
y1 = baseExtent[3]
imageLen = [ x1 - x0 + 1, y1 - y0 + 1 ]
selectionDim = [ map_cut_size[0]/2, map_cut_size[1]/2 ]
dataXLoc = dataLocation[0]
imageInfo = vtk.vtkImageChangeInformation()
dataYbounds = [ dataLocation[1]-selectionDim[1], dataLocation[1]+selectionDim[1] ]
vertExtent = [ y0, y1 ]
bounded_dims = None
if dataYbounds[0] > -90.0:
yOffset = dataYbounds[0] + 90.0
extOffset = int( round( ( yOffset / 180.0 ) * imageLen[1] ) )
vertExtent[0] = y0 + extOffset
self.y0 = dataYbounds[0]
if dataYbounds[1] < 90.0:
yOffset = 90.0 - dataYbounds[1]
extOffset = int( round( ( yOffset / 180.0 ) * imageLen[1] ) )
vertExtent[1] = y1 - extOffset
overlapsBorder = ( self.NormalizeMapLon(dataLocation[0]-selectionDim[0]) > self.NormalizeMapLon(dataLocation[0]+selectionDim[0]) )
if overlapsBorder:
cut0 = self.NormalizeMapLon( dataXLoc + selectionDim[0] )
sliceSize = imageLen[0] * ( ( cut0 - self.map_cut ) / 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent = list( baseExtent )
extent[0:2] = [ x0, x0 + sliceCoord - 1 ]
clip0 = vtk.vtkImageClip()
clip0.SetInput( baseImage )
clip0.SetOutputWholeExtent( extent[0], extent[1], vertExtent[0], vertExtent[1], extent[4], extent[5] )
size0 = extent[1] - extent[0] + 1
self.x0 = dataLocation[0] - selectionDim[0]
cut1 = self.NormalizeMapLon( self.x0 )
sliceSize = imageLen[0] * ( ( cut1 - self.map_cut )/ 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent[0:2] = [ x0 + sliceCoord, x1 ]
clip1 = vtk.vtkImageClip()
clip1.SetInput( baseImage )
clip1.SetOutputWholeExtent( extent[0], extent[1], vertExtent[0], vertExtent[1], extent[4], extent[5] )
size1 = extent[1] - extent[0] + 1
# print "Set Corner pos: %s, cuts: %s " % ( str(self.x0), str( (cut0, cut1) ) )
append = vtk.vtkImageAppend()
append.SetAppendAxis( 0 )
append.AddInput( clip1.GetOutput() )
append.AddInput( clip0.GetOutput() )
bounded_dims = ( size0 + size1, vertExtent[1] - vertExtent[0] + 1 )
imageInfo.SetInputConnection( append.GetOutputPort() )
else:
self.x0 = dataXLoc - selectionDim[0]
cut0 = self.NormalizeMapLon( self.x0 )
sliceSize = imageLen[0] * ( ( cut0 - self.map_cut ) / 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent = list( baseExtent )
extent[0] = x0 + sliceCoord - 1
cut1 = self.NormalizeMapLon( dataXLoc + selectionDim[0] )
sliceSize = imageLen[0] * ( ( cut1 - self.map_cut ) / 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent[1] = x0 + sliceCoord
clip = vtk.vtkImageClip()
clip.SetInput( baseImage )
clip.SetOutputWholeExtent( extent[0], extent[1], vertExtent[0], vertExtent[1], extent[4], extent[5] )
bounded_dims = ( extent[1] - extent[0] + 1, vertExtent[1] - vertExtent[0] + 1 )
# print "Set Corner pos: %s, dataXLoc: %s " % ( str(self.x0), str( (dataXLoc, selectionDim[0]) ) )
imageInfo.SetInputConnection( clip.GetOutputPort() )
imageInfo.SetOutputOrigin( 0.0, 0.0, 0.0 )
imageInfo.SetOutputExtentStart( 0, 0, 0 )
imageInfo.SetOutputSpacing( baseSpacing[0], baseSpacing[1], baseSpacing[2] )
result = imageInfo.GetOutput()
result.Update()
return result, bounded_dims
def init(self, **args ):
init_args = args[ 'init' ]
show = args.get( 'show', False )
n_cores = args.get( 'n_cores', 32 )
lut = self.getLUT()
self.variable_reader = StructuredDataReader( init_args )
self.variable_reader.execute( )
self.createRenderer()
self.initCamera()
interface = init_args[2]
self.execute( )
self.initializePlots()
# self.showConfigureButton()
self.start()
# if self.useGui: self.createConfigDialog( show, self.processConfigCmd, interface )
def initializePlots(self):
pass
def onResizeEvent(self):
self.updateTextDisplay( None, True )
def updateTextDisplay( self, text=None, render=False ):
if text <> None:
metadata = self.getMetadata()
var_name = metadata.get( 'var_name', '')
var_units = metadata.get( 'var_units', '')
self.labelBuff = "%s (%s)\n%s" % ( var_name, var_units, str(text) )
DV3DPlot.updateTextDisplay( self, None, render )
def toggleClipping(self, clipping_on ):
if clipping_on: self.clipOn()
else: self.clipOff()
def clipOn(self):
self.clipper.On()
self.executeClip()
def clipOff(self):
self.clipper.Off()