Beispiel #1
0
def _scan_ecl_keywords(pfile, maxkeys=100000, dataframe=False):

    ultramax = int(1000000 / 9)  # cf *swig_bnd_char_1m in cxtgeo.i
    if maxkeys > ultramax:
        raise ValueError(
            "maxkeys value is too large, must be < {}".format(ultramax))

    rectypes = _cxtgeo.new_intarray(maxkeys)
    reclens = _cxtgeo.new_longarray(maxkeys)
    recstarts = _cxtgeo.new_longarray(maxkeys)

    cfhandle = pfile.get_cfhandle()

    nkeys, keywords = _cxtgeo.grd3d_scan_eclbinary(cfhandle, rectypes, reclens,
                                                   recstarts, maxkeys)

    pfile.cfclose()

    keywords = keywords.replace(" ", "")
    keywords = keywords.split("|")

    # record types translation (cf: grd3d_scan_eclbinary.c in cxtgeo)
    rct = {
        "1": "INTE",
        "2": "REAL",
        "3": "DOUB",
        "4": "CHAR",
        "5": "LOGI",
        "6": "MESS",
        "-1": "????",
    }

    rc = []
    rl = []
    rs = []
    for i in range(nkeys):
        rc.append(rct[str(_cxtgeo.intarray_getitem(rectypes, i))])
        rl.append(_cxtgeo.longarray_getitem(reclens, i))
        rs.append(_cxtgeo.longarray_getitem(recstarts, i))

    _cxtgeo.delete_intarray(rectypes)
    _cxtgeo.delete_longarray(reclens)
    _cxtgeo.delete_longarray(recstarts)

    result = list(zip(keywords, rc, rl, rs))

    if dataframe:
        cols = ["KEYWORD", "TYPE", "NITEMS", "BYTESTART"]
        df = pd.DataFrame.from_records(result, columns=cols)
        return df

    return result
Beispiel #2
0
def _scan_roff_keywords(fhandle, maxkeys=100000, dataframe=False):

    # In case fhandle is not a file name but a swig pointer to a file handle,
    # the file must not be closed

    ultramax = int(1000000 / 9)  # cf *swig_bnd_char_1m in cxtgeo.i
    if maxkeys > ultramax:
        raise ValueError(
            "maxkeys value is too large, must be < {}".format(ultramax))

    rectypes = _cxtgeo.new_intarray(maxkeys)
    reclens = _cxtgeo.new_longarray(maxkeys)
    recstarts = _cxtgeo.new_longarray(maxkeys)

    nkeys, _tmp1, keywords = _cxtgeo.grd3d_scan_roffbinary(
        fhandle, rectypes, reclens, recstarts, maxkeys)

    keywords = keywords.replace(" ", "")
    keywords = keywords.split("|")

    # record types translation (cf: grd3d_scan_eclbinary.c in cxtgeo)
    rct = {
        "1": "int",
        "2": "float",
        "3": "double",
        "4": "char",
        "5": "bool",
        "6": "byte",
    }

    rc = []
    rl = []
    rs = []
    for i in range(nkeys):
        rc.append(rct[str(_cxtgeo.intarray_getitem(rectypes, i))])
        rl.append(_cxtgeo.longarray_getitem(reclens, i))
        rs.append(_cxtgeo.longarray_getitem(recstarts, i))

    _cxtgeo.delete_intarray(rectypes)
    _cxtgeo.delete_longarray(reclens)
    _cxtgeo.delete_longarray(recstarts)

    result = list(zip(keywords, rc, rl, rs))

    if dataframe:
        cols = ["KEYWORD", "TYPE", "NITEMS", "BYTESTARTDATA"]
        df = pd.DataFrame.from_records(result, columns=cols)
        return df

    return result
Beispiel #3
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def scan_dates(pfile, maxdates=1000, dataframe=False):
    """Quick scan dates in a simulation restart file.

    Cf. grid_properties.py description
    """

    seq = _cxtgeo.new_intarray(maxdates)
    day = _cxtgeo.new_intarray(maxdates)
    mon = _cxtgeo.new_intarray(maxdates)
    yer = _cxtgeo.new_intarray(maxdates)

    local_fhandle = False
    fhandle = pfile
    if isinstance(pfile, str):
        pfile = xtgeo._XTGeoCFile(pfile)
        fhandle = pfile.fhandle
        local_fhandle = True

    nstat = _cxtgeo.grd3d_ecl_tsteps(fhandle, seq, day, mon, yer, maxdates,
                                     XTGDEBUG)

    if local_fhandle:
        pfile.close(cond=local_fhandle)

    sq = []
    da = []
    for i in range(nstat):
        sq.append(_cxtgeo.intarray_getitem(seq, i))
        dday = _cxtgeo.intarray_getitem(day, i)
        dmon = _cxtgeo.intarray_getitem(mon, i)
        dyer = _cxtgeo.intarray_getitem(yer, i)
        date = "{0:4}{1:02}{2:02}".format(dyer, dmon, dday)
        da.append(int(date))

    for item in [seq, day, mon, yer]:
        _cxtgeo.delete_intarray(item)

    zdates = list(zip(sq, da))  # list for PY3

    if dataframe:
        cols = ["SEQNUM", "DATE"]
        df = pd.DataFrame.from_records(zdates, columns=cols)
        return df

    return zdates
Beispiel #4
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def _export_segy_xtgeo(self, sfile):
    """Export SEGY via XTGeo internal C routine."""

    values1d = self.values.reshape(-1)

    ilinesp = _cxtgeo.new_intarray(len(self._ilines))
    xlinesp = _cxtgeo.new_intarray(len(self._xlines))
    tracidp = _cxtgeo.new_intarray(self.ncol * self.nrow)

    ilns = self._ilines.astype(np.int32)
    xlns = self._xlines.astype(np.int32)
    trid = self._traceidcodes.flatten().astype(np.int32)

    _cxtgeo.swig_numpy_to_carr_i1d(ilns, ilinesp)
    _cxtgeo.swig_numpy_to_carr_i1d(xlns, xlinesp)
    _cxtgeo.swig_numpy_to_carr_i1d(trid, tracidp)

    status = _cxtgeo.cube_export_segy(
        sfile,
        self.ncol,
        self.nrow,
        self.nlay,
        values1d,
        self.xori,
        self.xinc,
        self.yori,
        self.yinc,
        self.zori,
        self.zinc,
        self.rotation,
        self.yflip,
        1,
        ilinesp,
        xlinesp,
        tracidp,
        0,
    )

    if status != 0:
        raise RuntimeError("Error when exporting to SEGY (xtgeo engine)")

    _cxtgeo.delete_intarray(ilinesp)
    _cxtgeo.delete_intarray(xlinesp)
Beispiel #5
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def delete_carray(self, carray):
    """Delete carray SWIG C pointer, return carray as None"""

    logger.debug("Enter delete carray values method for %d", id(self))
    if carray is None:
        return None

    if "int" in str(carray):
        _cxtgeo.delete_intarray(carray)
        carray = None
    elif "float" in str(carray):
        _cxtgeo.delete_floatarray(carray)
        carray = None
    elif "double" in str(carray):
        _cxtgeo.delete_doublearray(carray)
        carray = None
    else:
        raise RuntimeError("BUG?")

    return carray
Beispiel #6
0
def _make_ijk_from_grid_v1(self, grid, grid_id=""):
    """
    Getting IJK from a grid and make as well logs.

    This is the first version, using _cxtgeo.grd3d_well_ijk from C

    """
    logger.info("Using algorithm 1 in %s", __name__)

    wxarr = self.get_carray("X_UTME")
    wyarr = self.get_carray("Y_UTMN")
    wzarr = self.get_carray("Z_TVDSS")

    nlen = self.nrow
    wivec = _cxtgeo.new_intarray(nlen)
    wjvec = _cxtgeo.new_intarray(nlen)
    wkvec = _cxtgeo.new_intarray(nlen)

    onelayergrid = grid.copy()
    onelayergrid.reduce_to_one_layer()

    cstatus = _cxtgeo.grd3d_well_ijk(
        grid.ncol,
        grid.nrow,
        grid.nlay,
        grid._coordsv,
        grid._zcornsv,
        grid._actnumsv,
        onelayergrid._zcornsv,
        onelayergrid._actnumsv,
        self.nrow,
        wxarr,
        wyarr,
        wzarr,
        wivec,
        wjvec,
        wkvec,
        0,
    )

    if cstatus != 0:
        raise RuntimeError("Error from C routine, code is {}".format(cstatus))

    indarray = _cxtgeo.swig_carr_to_numpy_i1d(nlen, wivec).astype("float")
    jndarray = _cxtgeo.swig_carr_to_numpy_i1d(nlen, wjvec).astype("float")
    kndarray = _cxtgeo.swig_carr_to_numpy_i1d(nlen, wkvec).astype("float")

    indarray[indarray == 0] = np.nan
    jndarray[jndarray == 0] = np.nan
    kndarray[kndarray == 0] = np.nan

    icellname = "ICELL" + grid_id
    jcellname = "JCELL" + grid_id
    kcellname = "KCELL" + grid_id

    self._df[icellname] = indarray
    self._df[jcellname] = jndarray
    self._df[kcellname] = kndarray

    for cellname in [icellname, jcellname, kcellname]:
        self._wlogtype[cellname] = "DISC"

    self._wlogrecord[icellname] = {
        ncel: str(ncel)
        for ncel in range(1, grid.ncol + 1)
    }
    self._wlogrecord[jcellname] = {
        ncel: str(ncel)
        for ncel in range(1, grid.nrow + 1)
    }
    self._wlogrecord[kcellname] = {
        ncel: str(ncel)
        for ncel in range(1, grid.nlay + 1)
    }

    _cxtgeo.delete_intarray(wivec)
    _cxtgeo.delete_intarray(wjvec)
    _cxtgeo.delete_intarray(wkvec)
    _cxtgeo.delete_doublearray(wxarr)
    _cxtgeo.delete_doublearray(wyarr)
    _cxtgeo.delete_doublearray(wzarr)

    del onelayergrid
Beispiel #7
0
def _convert_to_xtgeo_grid(self, rox, roxgrid, corners):
    """Convert from RMS API to XTGeo API"""

    # pylint: disable=too-many-statements

    logger.info("Converting to XTGeo internals...")
    logger.info("Call the ROXAPI grid indexer")
    indexer = roxgrid.grid_indexer

    ncol, nrow, nlay = indexer.dimensions
    ntot = ncol * nrow * nlay

    # update other attributes
    self._ncol = ncol
    self._nrow = nrow
    self._nlay = nlay

    if corners is None:
        logger.info("Asked for dimensions_only: No geometry read!")
        return

    logger.info("Get active cells")
    mybuffer = np.ndarray(indexer.dimensions, dtype=np.int32)

    mybuffer.fill(0)

    logger.info("Get cell numbers")
    cellno = indexer.get_cell_numbers_in_range((0, 0, 0), indexer.dimensions)

    logger.info("Reorder...")
    ijk = indexer.get_indices(cellno)

    iind = ijk[:, 0]
    jind = ijk[:, 1]
    kind = ijk[:, 2]

    pvalues = np.ones(len(cellno))
    pvalues[cellno] = 1
    mybuffer[iind, jind, kind] = pvalues[cellno]

    actnum = mybuffer

    if rox.version_required("1.3"):
        logger.info("Handedness (new) %s", indexer.ijk_handedness)
    else:
        logger.info("Handedness (old) %s", indexer.handedness)

    corners = corners.ravel(order="K")
    actnum = actnum.ravel(order="K")

    logger.info("Convert to C pointers...")

    nnum = ncol * nrow * nlay * 24
    ccorners = _cxtgeo.new_doublearray(nnum)
    ntot = ncol * nrow * nlay
    cactnum = _cxtgeo.new_intarray(ntot)
    ncoord = (ncol + 1) * (nrow + 1) * 2 * 3
    nzcorn = ncol * nrow * (nlay + 1) * 4

    self._p_coord_v = _cxtgeo.new_doublearray(ncoord)
    self._p_zcorn_v = _cxtgeo.new_doublearray(nzcorn)
    self._p_actnum_v = _cxtgeo.new_intarray(ntot)

    _cxtgeo.swig_numpy_to_carr_1d(corners, ccorners)
    _cxtgeo.swig_numpy_to_carr_i1d(actnum, cactnum)

    # next task is to convert geometry to cxtgeo internal format
    logger.info("Run XTGeo C code...")
    _cxtgeo.grd3d_conv_roxapi_grid(
        ncol,
        nrow,
        nlay,
        ntot,
        cactnum,
        ccorners,
        self._p_coord_v,
        self._p_zcorn_v,
        self._p_actnum_v,
        XTGDEBUG,
    )
    logger.info("Run XTGeo C code... done")

    _cxtgeo.delete_doublearray(ccorners)
    _cxtgeo.delete_intarray(cactnum)
    logger.info("Converting to XTGeo internals... done")

    # subgrids
    if len(indexer.zonation) > 1:
        logger.debug("Zonation length (N subzones) is %s",
                     len(indexer.zonation))
        subz = OrderedDict()
        for inum, zrange in indexer.zonation.items():
            logger.debug("inum: %s, zrange: %s", inum, zrange)
            zname = roxgrid.zone_names[inum]
            logger.debug("zname is: %s", zname)
            zra = [nn + 1 for ira in zrange for nn in ira]  # nested lists
            subz[zname] = zra

        self.subgrids = subz