#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
-# File : smesh.py
+# File : smeshDC.py
# Author : Francis KLOSS, OCC
# Module : SMESH
-## @package smesh
+## @package smeshDC
# Python API for SALOME %Mesh module
## @defgroup l1_auxiliary Auxiliary methods and structures
import SALOME
import SALOMEDS
+import os
## @addtogroup l1_auxiliary
## @{
mesh.geompyD.addToStudyInFather( mesh.geom, geom, name )
return
-## Return the first vertex of a geomertical edge by ignoring orienation
+## Return the first vertex of a geometrical edge by ignoring orientation
def FirstVertexOnCurve(edge):
- from geompy import SubShapeAll, ShapeType, KindOfShape, PointCoordinates
- vv = SubShapeAll( edge, ShapeType["VERTEX"])
+ vv = geompyDC.SubShapeAll( edge, geompyDC.ShapeType["VERTEX"])
if not vv:
raise TypeError, "Given object has no vertices"
if len( vv ) == 1: return vv[0]
- info = KindOfShape(edge)
+ info = geompyDC.KindOfShape(edge)
xyz = info[1:4] # coords of the first vertex
- xyz1 = PointCoordinates( vv[0] )
- xyz2 = PointCoordinates( vv[1] )
+ xyz1 = geompyDC.PointCoordinates( vv[0] )
+ xyz2 = geompyDC.PointCoordinates( vv[1] )
dist1, dist2 = 0,0
for i in range(3):
dist1 += abs( xyz[i] - xyz1[i] )
# end of l1_auxiliary
## @}
-# All methods of this class are accessible directly from the smesh.py package.
-class smeshDC(SMESH._objref_SMESH_Gen):
+
+# Warning: smeshInst is a singleton
+smeshInst = None
+engine = None
+doLcc = False
+
+class smeshDC(object, SMESH._objref_SMESH_Gen):
+
+ def __new__(cls):
+ global engine
+ global smeshInst
+ global doLcc
+ print "__new__", engine, smeshInst, doLcc
+
+ if smeshInst is None:
+ # smesh engine is either retrieved from engine, or created
+ smeshInst = engine
+ # Following test avoids a recursive loop
+ if doLcc:
+ if smeshInst is not None:
+ # smesh engine not created: existing engine found
+ doLcc = False
+ if doLcc:
+ doLcc = False
+ # FindOrLoadComponent called:
+ # 1. CORBA resolution of server
+ # 2. the __new__ method is called again
+ print "smeshInst = lcc.FindOrLoadComponent ", engine, smeshInst, doLcc
+ smeshInst = salome.lcc.FindOrLoadComponent( "FactoryServer", "SMESH" )
+ else:
+ # FindOrLoadComponent not called
+ if smeshInst is None:
+ # smeshDC instance is created from lcc.FindOrLoadComponent
+ print "smeshInst = super(smeshDC,cls).__new__(cls) ", engine, smeshInst, doLcc
+ smeshInst = super(smeshDC,cls).__new__(cls)
+ else:
+ # smesh engine not created: existing engine found
+ print "existing ", engine, smeshInst, doLcc
+ pass
+
+ return smeshInst
+
+ return smeshInst
+
+ def __init__(self):
+ print "__init__"
+ SMESH._objref_SMESH_Gen.__init__(self)
## Dump component to the Python script
# This method overrides IDL function to allow default values for the parameters.
## Sets the current study and Geometry component
# @ingroup l1_auxiliary
- def init_smesh(self,theStudy,geompyD):
+ def init_smesh(self,theStudy,geompyD = None):
+ print "init_smesh"
self.SetCurrentStudy(theStudy,geompyD)
## Creates an empty Mesh. This mesh can have an underlying geometry.
def SetCurrentStudy( self, theStudy, geompyD = None ):
#self.SetCurrentStudy(theStudy)
if not geompyD:
- import geompy
- geompyD = geompy.geom
+ import geompyDC
+ geompyD = geompyDC.geom
pass
self.geompyD=geompyD
self.SetGeomEngine(geompyD)
# Checks that Threshold is GEOM object
if isinstance(aThreshold, geompyDC.GEOM._objref_GEOM_Object):
aCriterion.ThresholdStr = GetName(aThreshold)
- aCriterion.ThresholdID = aThreshold.GetStudyEntry()
+ aCriterion.ThresholdID = aThreshold.GetStudyEntry()
if not aCriterion.ThresholdID:
- raise RuntimeError, "Threshold shape must be published"
+ name = aCriterion.ThresholdStr
+ if not name:
+ name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
+ aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
+ #raise RuntimeError, "Threshold shape must be published"
else:
print "Error: The Threshold should be a shape."
return None
omniORB.registerObjref(SMESH._objref_SMESH_Gen._NP_RepositoryId, smeshDC)
+def smeshInstance( study, instance=None):
+ global engine
+ global smeshInst
+ global doLcc
+ engine = instance
+ if engine is None:
+ doLcc = True
+ smeshInst = smeshDC()
+ assert isinstance(smeshInst,smeshDC), "Smesh engine class is %s but should be smeshDC.smeshDC. Import smeshmapi before creating the instance."%smeshInst.__class__
+ smeshInst.init_smesh(study)
+ return smeshInst
+
+
# Public class: Mesh
# ==================
geom = 0
mesh = 0
editor = 0
- functors = [None] * SMESH.FT_Undefined._v
## Constructor
#
if not self.geom:
self.geom = self.mesh.GetShapeToMesh()
- self.editor = self.mesh.GetMeshEditor()
+ self.editor = self.mesh.GetMeshEditor()
+ self.functors = [None] * SMESH.FT_Undefined._v
# set self to algoCreator's
for attrName in dir(self):
attr = getattr( self, attrName )
if isinstance( attr, algoCreator ):
+ print "algoCreator ", attrName
setattr( self, attrName, attr.copy( self ))
## Initializes the Mesh object from an instance of SMESH_Mesh interface
theObject = theObject.GetMesh()
if ( isinstance( theObject, list )):
theObject = self.GetIDSource(theObject, SMESH.ALL)
+ if ( isinstance( theScaleFact, float )):
+ theScaleFact = [theScaleFact]
+ if ( isinstance( theScaleFact, int )):
+ theScaleFact = [ float(theScaleFact)]
self.mesh.SetParameters(thePoint.parameters)
theObject = theObject.GetMesh()
if ( isinstance( theObject, list )):
theObject = self.GetIDSource(theObject,SMESH.ALL)
+ if ( isinstance( theScaleFact, float )):
+ theScaleFact = [theScaleFact]
+ if ( isinstance( theScaleFact, int )):
+ theScaleFact = [ float(theScaleFact)]
self.mesh.SetParameters(thePoint.parameters)
mesh = self.editor.ScaleMakeMesh(theObject, thePoint, theScaleFact,
raise ValueError, detail # wrong variable name
return result
+
+for pluginName in os.environ[ "SMESH_MeshersList" ].split( ":" ):
+ #
+ print "pluginName: ", pluginName
+ pluginName += "DC"
+ try:
+ exec( "from %s import *" % pluginName )
+ except Exception, e:
+ print "Exception while loading %s: %s" % ( pluginName, e )
+ continue
+ exec( "import %s" % pluginName )
+ plugin = eval( pluginName )
+ print " plugin:" , str(plugin)
+
+ # add methods creating algorithms to Mesh
+ for k in dir( plugin ):
+ if k[0] == '_': continue
+ algo = getattr( plugin, k )
+ print " algo:", str(algo)
+ if type( algo ).__name__ == 'classobj' and hasattr( algo, "meshMethod" ):
+ print " meshMethod:" , str(algo.meshMethod)
+ if not hasattr( Mesh, algo.meshMethod ):
+ setattr( Mesh, algo.meshMethod, algoCreator() )
+ pass
+ getattr( Mesh, algo.meshMethod ).add( algo )
+ pass
+ pass
+ pass
+del pluginName
