Ejemplo n.º 1
0
def main(argv=[__name__]):
    if len(argv) != 3:
        oechem.OEThrow.Usage("%s <input> <output>" % argv[0])

    # input - preserve rotor-offset-compression
    ifs = oechem.oemolistream()
    ihand = ifs.GetBinaryIOHandler()
    ihand.Clear()
    oechem.OEInitHandler(ihand, oechem.OEBRotCompressOpts(),
                         oechem.OEBRotCompressOpts())

    ifname = argv[1]
    if not ifs.open(ifname):
        oechem.OEThrow.Fatal("Unable to open %s for reading" % argv[1])

    # output
    ofname = argv[2]
    oformt = oechem.OEGetFileType(oechem.OEGetFileExtension(ofname))
    if oformt != oechem.OEFormat_OEB:
        oechem.OEThrow.Fatal("Output file format much be OEB")

    ofs = oechem.oemolostream()
    if not ofs.open(ofname):
        oechem.OEThrow.Fatal("Unable to open %s for writing" % ofname)

    iss = oechem.oeisstream(COLOR_FORCE_FIELD)
    cff = oeshape.OEColorForceField()
    if not cff.Init(iss):
        oechem.OEThrow.Fatal("Unable to initialize OEColorForceField")

    dots = oechem.OEDots(10000, 200, "molecules")
    for mol in ifs.GetOEMols():
        oefastrocs.OEPrepareFastROCSMol(mol, cff)

        oechem.OEWriteMolecule(ofs, mol)

        dots.Update()

    dots.Total()
    ofs.close()

    print("Indexing %s" % ofname)
    if not oechem.OECreateMolDatabaseIdx(ofname):
        oechem.OEThrow.Fatal("Failed to index %s" % argv[2])

    return 0
def GetShapeDatabaseArgs(itf):
    shapeOnly = itf.GetBool("-shapeOnly")
    if shapeOnly and itf.GetParameter("-chemff").GetHasValue():
        oechem.OEThrow.Fatal(
            "Unable to specify -shapeOnly and -chemff at the same time!")

    chemff = itf.GetString("-chemff")
    if not chemff.endswith(".cff"):
        return (GetDatabaseType(shapeOnly), OECOLOR_FORCEFIELDS[chemff])

    # given a .cff file, use that to construct a OEColorForceField
    assert not shapeOnly
    cff = oeshape.OEColorForceField()
    if not cff.Init(chemff):
        oechem.OEThrow.Fatal("Unable to read color force field from '%s'" %
                             chemff)

    return (cff, )
Ejemplo n.º 3
0
def main(argv=[__name__]):
    if len(argv) != 3:
        oechem.OEThrow.Usage("%s <reffile> <overlayfile>" % argv[0])

    reffs = oechem.oemolistream(argv[1])
    fitfs = oechem.oemolistream(argv[2])

    refmol = oechem.OEGraphMol()
    oechem.OEReadMolecule(reffs, refmol)

    # Modify ImplicitMillsDean color force field by
    # adding user defined color interactions
    cff = oeshape.OEColorForceField()
    cff.Init(oeshape.OEColorFFType_ImplicitMillsDean)
    cff.ClearInteractions()
    donorType = cff.GetType("donor")
    accepType = cff.GetType("acceptor")
    cff.AddInteraction(donorType, donorType, "gaussian", -1.0, 1.0)
    cff.AddInteraction(accepType, accepType, "gaussian", -1.0, 1.0)

    # Prepare reference molecule for calculation
    # With default options this will add required color atoms
    # Set the modified color force field for addignment
    prep = oeshape.OEOverlapPrep()
    prep.SetColorForceField(cff)
    prep.Prep(refmol)

    # Get appropriate function to calculate exact color
    # Set appropriate options to use the user defined color
    options = oeshape.OEColorOptions()
    options.SetColorForceField(cff)
    colorFunc = oeshape.OEExactColorFunc(options)
    colorFunc.SetupRef(refmol)

    res = oeshape.OEOverlapResults()
    for fitmol in fitfs.GetOEGraphMols():
        prep.Prep(fitmol)
        colorFunc.Overlap(fitmol, res)
        print("Fit Title: %s  Color Tanimoto: %.2f" %
              (fitmol.GetTitle(), res.GetColorTanimoto()))
Ejemplo n.º 4
0
from openeye import oegrapheme
from openeye import oeshape

###############################################################
# USED TO GENERATE CODE SNIPPETS FOR THE GRAPHEME DOCUMENTATION
###############################################################

if len(sys.argv) != 2:
    oechem.OEThrow.Usage("%s <mol file>" % sys.argv[0])

ifs = oechem.oemolistream(sys.argv[1])
refmol = oechem.OEGraphMol()
oechem.OEReadMolecule(ifs, refmol)

# @ <SNIPPET-RENDER-SHAPE-QUERY>
opts = oegrapheme.OEShapeQueryDisplayOptions()
opts.SetTitleLocation(oedepict.OETitleLocation_Hidden)
arcpen = oedepict.OEPen(oechem.OEWhite, oechem.OELightGrey, oedepict.OEFill_On,
                        2.0)
opts.SetSurfaceArcFxn(oegrapheme.OEDefaultArcFxn(arcpen))

cff = oeshape.OEColorForceField()
cff.Init(oeshape.OEColorFFType_ImplicitMillsDean)
disp = oegrapheme.OEShapeQueryDisplay(refmol, cff, opts)

image = oedepict.OEImage(420.0, 280.0)
oegrapheme.OERenderShapeQuery(image, disp)
# @ </SNIPPET-RENDER-SHAPE-QUERY>
oedepict.OEWriteImage("RenderShapeQuery.png", image)
oedepict.OEWriteImage("RenderShapeQuery.pdf", image)