History_section

Usage

Name

Character Name

Description

Name of history section line set

Usage

Directory

Character Name

Description

Directory for history set output. If specified a directory will be created (if not existing) and the history results will be written to this directory.

Usage

Description

Character Name

Description

Description of history set (maximum 256 characters)

Usage

Section_type

Character Name

Description

The intersection of section line path with the formation data may be evaluated and output if required using the Formation_data_flag. Valid settings are:

• "Vertical" - Vertical well path with location defined by Plan_coordinates

• "Near_vertical" - Near vertical well path with location defined by Path_coordinates. If the path type is set as 'Near_vertical' then a formation data file can be output in terms of either path length or vertical depth.

• "General" - A general path defined by Path_coordinates

Usage

Output_frequency_increment

Integer Value

Description

The number of time steps between each output to the history file.

Notes

•If both incremental output frequency Output_frequency_increment and Output_frequency_time are specified they will both be used

•Output will always be performed at the end of a control step

Usage

Output_frequency_time

Real Value

Description

The time between each output to the history file

Notes

•If both incremental output frequency Output_frequency_increment and Output_frequency_time are specified they will both be used

•Output will always be performed at the end of a control step

Usage

Units		IDM=ival
Character Names
where	ival	Number of stratigraphy units

Description

List of stratigraphy unit names to be considered (default all units)

Usage

Group_numbers		IDM=ival
Integer Values
where	ival	Number of stratigraphy units

Description

List of element groups (by number) to be considered (default all groups)

Notes

•If the group data is defined with the same names as the stratigraphy layers Group_numbers are not required as they will be set automatically

Usage

Point_distribution_type

Integer Value

Description

Type of point distribution to be used for generation of the section output data. Valid values are:

• 0 - Automatic based on Point_distance or Number_points. Note that additional points will also be inserted adjacent to formation boundaries

• 1 - Automatic based on Point_distance or Number_points.

• 2 - Output at points defined by Path_coordinates only

• 3 - Output at points defined by Path_coordinates and add points adjacent to formation boundaries

Usage

Point_distance

Real Value

Description

The distance between points in the section line.

Usage

Number_points

Integer Value

Description

The Number_points is dependent on the type of section line ( Section_type); i.e.

•"Vertical" - Number of points for each group or stratigraphy unit (Minumum 2 of specified).

•"Near_vertical" - Total number of points for section line.

•"General" - Total number of points for section line.

Notes

•If the number of points are specified then it takes preference over Point_distance.

Usage

Plan_coordinates		IDM=ival
Real Values
where	ival	Number of reference coordinates

Description

Reference coordinates for the section line in plan view. Valid labels for 2D problems are:

• Coord_x - X Coordinate

Whereas valid labels for 3D problems are:

• Coord_x - X Coordinate

• Coord_y - Y Coordinate

Usage

Path_coordinates

IDM=ival

JDM=jval

Real Values

where

ival

jval

Number of dimensions

Number of points defining path

Description

Coordinates of points defining the path for the section line.

Notes

•The path coordinates may also be imported from a file defined via Path_filename

•The format for the path coordinates may be defined using Path_format.

Usage

Path_filename

Character Name

Description

File name containing path coordinates.

Notes

•The path coordinates may also be imported from a file defined via Path_filename. The format of the file is:

* Path_coordinates IDM = ival JDM = jval where

ival =NDIMN Number of dimensions

jval =NPTPTH Number of points defining path

The format for the path coordinates may be also be defined using:

* Path_format ival where ival is the value

Usage

Path_format

Integer Value

Description

Format of data defining path. Valid settings are:

• 0 - vertical path (Default if path coordinates not specified)

• 1 - X, Y, Z in 3D or X, Y in 2D (Default if path coordinates specified)

• 2 - X, Y, Depth (+ve) in 3D or X, Depth (+ve) in 2D

• 3 - X, Y, Depth (-ve) in 3D or X, Depth (-ve) in 2D

Notes

•X, Y, Depth format data require the stratigraphy for the problem to be defined.

Usage

Formation_data_flag

Integer Value

Description

The intersection of section line path with the formation data may be evaluated and output if required using the Formation_data_flag. Valid settings are:

• 0 - No output of formation data (standard results output only)

• 1 - Output formation data for section line based on vertical distance (vertical or Near vertical section line only)

• 2 - Output formation data for section line based on path length (vertical or Near vertical section line only)

• 3 - General well path - output formation intersection data

Usage

Output_flags		IDM=ival
Integer Values
where	ival	Number of output flags

Description

Output flags defining output required. The output flags comprise:

•location 1 - Standard history output in group format (0 - no output, 1 - output)

•location 2 - Output complete section line in ParaGeo format with in an individual file for each output time (0 - no output, 1 - output)

•location 3 - Output in las file format with an individual file for each output time (0 - no output, 1 - output)

•location 4 - Output a file containing interpolation data with an individual file for each output time. Valid settings are (0 - no output, 1 - output formation data only, 2 - output formation data and result data

Notes

•Generally the output flags are set by default and are only required if the default settings differ from the required settings

Usage

Output_formats		IDM=ival
Character Names
where	ival	Number of output flags

Description

Output flags defining output required. The output flags comprise:

• "hdh" - Standard history output in group format (0 - no output, 1 - output) (Default)

• "psect" - Output complete section line in ParaGeo format with in an individual file for each output time (0 - no output, 1 - output) (Default)

• "las" - Output in las file format with an individual file for each output time (0 - no output, 1 - output)

• "interp" - Output a file containing interpolation data with an individual file for each output time. Valid settings are (0 - no output, 1 - output formation data only, 2 - output formation data and result data

Usage

Translation_fixity_codes		IDM=ival
Integer Values
where	ival	Number of stratigraphy units

Description

List of fixity flags (0-translate with material, 1 - remain fixed in space) for each coordinate dimension:

•Fixity in X direction

•Fixity in Y direction

•Fixity in Z direction (3-D only)

Usage

Displacements		IDM=ival
Character Names
where	ival	Number of displacement components for output

Description

Labels defining the displacements components required in history file. Valid labels are:

• Disp_x - Displacement in X direction

• Disp_y - Displacement in Y direction

• Disp_z - Displacement in Z direction (3D only)

Usage

Velocities		IDM=ival
Character Names
where	ival	Number of displacement components for output

Description

Labels defining the mechanical field velocity components required in history file. Valid labels are:

• Veloc_x - Velocity in X direction

• Veloc_y - Velocity in Y direction

• Veloc_z - Velocity in Z direction (3D only)

Usage

Stresses		IDM=ival
Character Names
where	ival	Number of stress components for output

Description

Labels defining the stress components required in history file. Valid labels are:

• Strs_xx - Direct Stress in X direction

• Strs_yy - Direct Stress in Y direction

• Strs_zz - Direct Stress in Z direction

• Strs_xy - Shear Stress in XY direction

• Strs_yz - Shear Stress in YZ direction (3D only)

• Strs_zx - Shear Stress in ZX direction (3D only)

Usage

Strains		IDM=ival
Character Names
where	ival	Number of strain components for output

Description

Labels defining the strain components required in history file. Valid labels are:

• Strn_xx - Direct Strain in X direction

• Strn_yy - Direct Strain in Y direction

• Strn_zz - Direct Strain in Z direction

• Strn_xy - Shear Strain in XY direction

• Strn_yz - Shear Strain in YZ direction (3-D only)

• Strn_zx - Shear Strain in ZX direction (3-D only)

Usage

Stress_invariants		IDM=ival
Character Names
where	ival	Number of stress invariants for output

Description

Labels defining the stress invariants required in history file. Valid labels are:

• Press - Effective mean stress (p')

• Efstrs - Deviatoric effective stress (q)

• Strs_p1 - Principal stress 11 - (most tensile)

• Strs_p2 - Principal stress 22 - (intermediate)

• Strs_p3 - Principal stress 33 - (Most compressive)

Usage

Strain_invariants		IDM=ival
Character Names
where	ival	Number of strain invariants for output

Description

Labels defining the strain invariants required in history file. Valid labels are:

• Vol_stn - Volumetric strain

• Efstrn - Deviatoric effective strain

• Strn_p1 - Principal strain 11 - (most tensile)

• Strn_p2 - Principal strain 22 - (intermediate)

• Strn_p3 - Principal strain 33 - (Most compressive)

Usage

Element_data		IDM=ival
Character Names
where	ival	Number of element data for output

Description

Labels defining the element values required in history file. The element values are dependent on the field type and in some cases whether the variable is relevant for the chosen simulation options Valid labels are:

• Elt_volu - element volume (3-D) or area (2-D)

• Porosity - element porosity

• Elt_pore - element average pore pressure

• Elt_temp - element average temperature

• Mat_no - Material assignment number

• Group_no - Group assignment number

• Elt_mass - Element mass

• Crit_tim - Element critical time step

• Elt_dens - Element density

Usage

Nodal_pore_pressure		IDM=ival
Character Names
where	ival	Number of pore pressure variables for output

Description

Labels defining the nodal variables in the porous flow field required in history file. Valid labels are:

• Pore_nod - Pore pressure at nodes in porous flow field

Usage

Porous_flow_data		IDM=ival
Character Names
where	ival	Number of porous flow field variables for output

Description

Labels defining the porous flow field data required in history file. Valid labels are:

• Pf_veloc - Fluid flow rate (flow/total volume) components (X, Y in 2-D and X, Y, Z in 3-D)

• Pf_grad - Pore pressure gradient components (X, Y in 2-D and X, Y, Z in 3-D)

Usage

Nodal_temperature		IDM=ival
Character Names
where	ival	Number of temperature variables for output

Description

Labels defining the nodal variables in the thermal field required in history file. Valid labels are:

• Temp_nod - Temperature at nodes in thermal field

Usage

Thermal_data		IDM=ival
Character Names
where	ival	Number of thermal variables for output

Description

Labels defining the thermal field data required in history file. Valid labels are:

• Tm_veloc - Thermal flux components (X, Y in 2D and X, Y, Z in 3D)

• Tm_grad - Thermal gradient components (X, Y in 2D and X, Y, Z in 3D)

Usage

Elastic_state_variables		IDM=ival
Character Names
where	ival	Number of elastic state variables for output

Description

Labels defining the elastic state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Possible variables are:

• Young - Young's Modulus

• Poiss - Poisson's Ratio

• Young11 - Youngs Modulus E(11)

• Young22 - Youngs Modulus E(22)

• Young33 - Youngs Modulus E(33)

• Poiss12 - Poissons Ratio v(12)

• Poiss23 - Poissons Ratio v(23)

• Poiss31 - Poissons Ratio v(31)

• Shear12 - Shear Modulus G(12)

• Shear23 - Shear Modulus G(23)

• Shear31 - Shear Modulus G(31)

Usage

Poroelastic_state_variables		IDM=ival
Character Names
where	ival	Number of Poroelastic state variables for output

Description

Labels defining the poroelastic state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Possible variables are:

• E_kappa - Unloading Modulus

Usage

Plastic_state_variables		IDM=ival
Character Names
where	ival	Number of plastic state variables for output

Description

Labels defining the plastic state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Possible variables are:

• P_flag - Plasticity flag

• P_strn - Effective Plastic Strain

• P_strn_r - Effective Plastic Strain Rate

• P_strnv - Plastic Volume Strain

• P_strnxx - Plastic Strain XX

• P_strnyy - Plastic Strain YY

• P_strnzz - Plastic Strain ZZ

• P_strnxy - Plastic Strain XY

• P_strnyz - Plastic Strain YZ

• P_strnzx - Plastic Strain ZX

• P_epvcom - Max. compressive volume strain

• P_epvten - Max. tensile volume strain

• P_conver - Convergence Flag

• P_comc - Pre-Consolidation Pressure

• P_tenc - Tensile Intercept

• P_state - Plastic state

• P_stten - Plastic state - Tension

• P_stshr - Plastic State - Shear

• P_stcap - Plastic State - Cap

• P_strv_r - Plastic Volume strain rate

• P_beta - Friction Angle (Beta)

• P_psi - Dilation Angle (Psi)

• P_d - Intercept (D)

• P_yield - von Mises Yield Stress

• R_ft1 - Rot. Crack Tensile stress 1

• R_ft2 - Rot. Crack Tensile stress 2

• R_ft3 - Rot. Crack Tensile stress 3

• R_epstn1 - Rot. Crack Total strain in 1

• R_epstn2 - Rot. Crack Total strain in 2

• R_epstn3 - Rot. Crack Total strain in 3

• R_edamg1 - Rot. Crack Damaged moduli 1

• R_edamg2 - Rot. Crack Damaged moduli 2

• R_edamg3 - Rot. Crack Damaged moduli 3

• R_damfac - Rot. Crack Damage Factor

• R_psang1 - Rot. Crack Angle 11

• R_psang2 - Rot. Crack Angle 22

• R_psang3 - Rot. Crack Angle 33

• R_state1 - Rot. Crack Fracture state 1

• R_state2 - Rot. Crack Fracture state 2

• R_state3 - Rot. Crack Fracture state 3

• R_elam1 - Rot. Crack Elastic modulus 1

• R_elam2 - Rot. Crack Elastic modulus 2

• R_elam3 - Rot. Crack Elastic modulus 3

• R_strn1 - Rot. Crack Fracture strain 1

• R_strn2 - Rot. Crack Fracture strain 2

• R_strn3 - Rot. Crack Fracture strain 3

• R_peak1 - Rot. Crack Peak tensile stress 1

• R_peak2 - Rot. Crack Peak tensile stress 2

• R_peak3 - Rot. Crack Peak tensile stress 3

• R_strs1 - Rot. Crack Normal Stress 1

• R_strs2 - Rot. Crack Normal Stress 2

• R_strs3 - Rot. Crack Normal Stress 3

• R_esoft1 - Rot. Crack Softening modulus 1

Usage

Hardening_state_variables		IDM=ival
Character Names
where	ival	Number of hardening state variables for output

Description

Labels defining the hardening state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Possible variables are:

• H_lambda - Hardening modulus

• H_epvcom - Maximum compressive volume strain

• H_epvten - Maximum tensional volume strain

• H_pc0 - Initial pc (for hardening type 8)

• H_nv0 - Initial specific volume (for hardening type 8)

Usage

Viscoplastic_state_variables		IDM=ival
Character Names
where	ival	Number of viscoplastic state variables for output

Description

Labels defining the viscoplastic state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Currently available variables are:

• V_flag - Viscoplastic state

• V_strn - Viscoplastic Strain

• V_strn_r - Viscoplastic Strain Rate

• V_strnv - Viscoplastic Volume Strain

• V_strnxx - Viscoplastic Strain XX

• V_strnyy - Viscoplastic Strain YY

• V_strnzz - Viscoplastic Strain ZZ

• V_strnxy - Viscoplastic Strain XY

• V_strnyz - Viscoplastic Strain YZ

• V_strnzx - Viscoplastic Strain ZX

• V_strs - Viscoplastic Stress

• V_viscos - Viscoplastic Viscosity

Usage

Porous_flow_state_variables		IDM=ival
Character Names
where	ival	Number of porous flow state variables for output

Description

Labels defining the porous flow state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data and Fluid_properties for more information). They comprise:

• Flu_satu - Fluid saturation

• Biot_con - Biot constant

• Flu_visc - Fluid viscosity

• Flu_dens - Fluid density

• Perm_e - Isotropic permeability

• Perm_x - Permeability in x direction

• Perm_y - Permeability in y direction

• Perm_z - Permeability in z direction

• Perm_m - Permeability multiplier

• Storty - Storativity

• Knud_num - Knudsen number

• knud_rar - Knudsen rarefaction coefficient

• Knud_mul - Knudsen permeability multiplier

• Knd_numx - Knudsen number in X direction

• Knd_numy - Knudsen number in Y direction

• Knd_numz - Knudsen number in Z direction

• Knd_rarx - Knudsen rarefaction coefficient in X direction

• Knd_rary - Knudsen rarefaction coefficient in Y direction

• Knd_rarz - Knudsen rarefaction coefficient in Z direction

• Knd_mulx - Knudsen permeability multiplier in X direction

• Knd_muly - Knudsen permeability multiplier in Y direction

• Knd_mulz - Knudsen permeability multiplier in Z direction

Usage

Regularization_state_variables		IDM=ival
Character Names
where	ival	Number of regularization state variables for output

Description

Labels defining the regularization state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Currently available variables are:

• Reg_fact - Regularization factor

Usage

Diagenesis_state_variables		IDM=ival
Character Names
where	ival	Number of diagenesis state variables for output

Description

Labels defining the diagenesis state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Possible variables are:

• C_poros - Non-Mechanical Porosity Change

• C_poros1 - Non-Mechanical Porosity Change - Reaction 1

• C_poros2 - Non-Mechanical Porosity Change - Reaction 2

• C_poros3 - Non-Mechanical Porosity Change - Reaction 3

• C_poros4 - Non-Mechanical Porosity Change - Reaction 4

Usage

Thermal_state_variables		IDM=ival
Character Names
where	ival	Number of thermal state variables for output

Description

Labels defining the thermal state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Currently valid variables are:

• Condb - Bulk conductivity

• Condb_x - Bulk conductivity in X

• Condb_y - Bulk conductivity in Y

• Condb_z - Bulk conductivity in Z

• Sheatb - Bulk specific heat

• Condg - Grain conductivity

• Condg_x - Grain conductivity in X

• Condg_y - Grain conductivity in Y

• Condg_z - Grain conductivity in Z

• Sheatg - Grain specific heat

• Condf - Fluid conductivity

• Sheatf - Fluid specific heat

• Peclet - Peclet number

Usage

Decompaction_state_variables		IDM=ival
Character Names
where	ival	Number of Decompaction state variables for output

Description

Labels defining the decompaction state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Currently available variables are:

• D_depcur - Decomp. Current Depth

• D_depref - Decomp. Reference Depth (curr)

• D_depprv - Decomp. Depth at previous step

• D_strnv - Decomp. Vol.Strain Increment

• D_porchg - Decomp. Porosity change (presc)

• D_porprv - Decomp. Porosity (Depth) time t

• D_porstp - Decomp. Porosity change (step)

Usage

Fracture_state_variables		IDM=ival
Character Names
where	ival	Number of fracture state variables for output

Description

Labels defining the fracture state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information). Current available variables are:

• F_kn - Fracture Normal Stiffness

• F_dispn - Fracture Normal Displacement

• F_nstrs - Fracture Normal Stress

• F_kn0 - Fracture Initial Normal Stiffness

• F_apert0 - Fracture Initial Normal Displacement

• F_nstrs0 - Fracture Initial Normal Stress

• F_dispmx - Fracture Max. Normal Displacement

• F_nstfmx - Fracture Max. Normal Stiffness

• F_ks - Fracture Shear Stiffness

• F_disps1 - Fracture Shear Displacement 11

• F_disps2 - Fracture Shear Displacement 22

• F_sstrs1 - Fracture Shear Stress 11

• F_sstrs2 - Fracture Shear Stress 22

• F_sflag - Fracture Shear State

• F_syield - Fracture Shear Strength

• F_cohes - Fracture Shear Cohesion

• F_frict - Fracture Shear Friction Angle

• F_cohesi - Fracture Shear Initial Cohesion

• F_fricti - Fracture Shear Initial Friction Angle

• F_sstfmx - Fracture Maximum Shear Stiffness

• F_angle1 - Fracture 1 Angle

• F_state1 - Fracture 1 State (normal)

• F_ft1 - Fracture 1 Strength (normal)

• F_nstrs1 - Fracture 1 Stress (normal)

• F_nstrn1 - Fracture 1 Strain (normal)

• F_time1 - Fracture 1 Initiation time

• F_perm1 - Fracture 1 Permeability

• F_angle2 - Fracture 2 Angle

• F_state2 - Fracture 2 State (normal)

• F_ft2 - Fracture 2 Strength (normal)

• F_nstrs2 - Fracture 2 Stress (normal)

• F_nstrn2 - Fracture 2 Strain (normal)

• F_time2 - Fracture 2 Initiation time

• F_perm2 - Fracture 2 Permeability

• F_edamg1 - Fracture 1 Damaged elastic modulus

• F_edamg2 - Fracture 2 Damaged elastic modulus

• F_peak1 - Fracture 1 Peak tensile strength

• F_peak2 - Fracture 2 Peak tensile strength

• F_damfac - Fracture Damage Factor

• F_psang1 - Fracture 11 Rot-Crack Angle

Notes

•History output values of embedded fractures correspond to a single fracture in the system.

Usage

Reservoir_state_variables		IDM=ival
Character Names
where	ival	Number of reservoir variables

Description

Labels defining the Reservoir state variables required in history file. The valid data is dependent on the specific models being deployed (see Material_data for more information)

• Gas_dens - Gas Density

• Gas_sat - Gas Saturation

• Mix_dens - Mixture Density

• Mix_sat - Mixture Saturation

• Oil_dens - Oil Density

• Oil_sat - Oil Saturation

• Wat_dens - Water Density

• Wat_sat - Water Saturation

• Cp_geo - Pressure Compressibility (geomechanical)

• Cp_res - Pressure Compressibility (reservoir)

• Cp_mult - Pressure Compressibility Mult

• Cp_mtot - Pressure Compressibility Total

• Ct_geo - Thermal Compressibility (geomechanical)

• Ct_res - Thermal Compressibility (reservoir)

• Ct_mult - Thermal Compressibility Mult

• Ct_mtot - Thermal Compressibility Total

• Per_mult - Permeability Multiplier

• Pore_geo - Geomechanical Porosity

• Pore_res - Reservoir Porosity

• Res_dom - Domain

• Pres_res - Pore Pressure

• Temp_res - Temperature

• Res_actf - Active Cell Factor

• Res_mapf - Mapped Cell Flag

• Por_mult - Pore Volume multiplier

• Por_mtot - Pore Volume multiplier total

Usage

Hc_kinetics_state_variables		IDM=ival
Character Names
where	ival	Number of hydrocarbon kinetics state variables for output

Description

Labels defining the hydrocarbon kinetics state variables required in history file. The possible variables are:

• K_VR - Kinetic Vitrinite reflectance

• K_PI - Kinetic PI Production index

• K_HI - Kinetic HI Hydrocarbon index

• K_TR - Kinetic TR Transformation ratio

• K_CO - Kinetic CO Concentration of oil

• K_CG - Kinetic CG Concentration of gas

• K_CKO - Kinetic CKO Concentration of kerogen converted to oil

• K_CKG - Kinetic CKG Concentration of kerogen converted to gas

• K_CKI - Kinetic CKI Concentration of inert kerogen

• K_CGO - Kinetic CGO Concentration of oil converted to gas

• K_COE - Kinetic COE Concentration of oil expelled

• K_CGE - Kinetic CGE Concentration of gas expelled

• K_HC_DEN - Kinetic Hydrocarbon density

• K_CHCE_N - Kinetic Concentration of hydrocarbon expelled at time table

• K_CK0 - Kinetic CK0 Concentration of kerogen converted to oil at time 0

• K_KTR - Kinetic KTR Kerogen transformation ratio

• K_COTOT - Kinetic Total oil (CO + generated)

• K_PORSTY - Kinetic Kerogen porosity

• K_KERTYP - Kinetic Kerogen identifier number

• K_TOC - Kinetic TOC Total organic carbon by weight

Usage

las_version

Integer Value

Description

Valid file version numbers are:

• 2 - Version 2

• 3 - Version 3 (Default)

Usage

Las_company_name

Character Name

Description

Las export company name (maximum 32 characters)

Usage

Las_field_name

Character Name

Description

Las export field name (maximum 32 characters)

Usage

Las_location

Character Name

Description

Las export field location (maximum 32 characters)

Usage

Las_country

Character Name

Description

Las export country name (maximum 32 characters)

Usage

Las_provence

Character Name

Description

Las export provence name (maximum 32 characters)

Usage

Las_service_company

Character Name

Description

Las export service company name (maximum 32 characters)

Usage

Las_unique_well_id

Character Name

Description

Las export unique well ID (maximum 32 characters)

Usage

Las_latitude

Character Name

Description

Las export latitude (maximum 32 characters)

Usage

Las_longitude

Character Name

Description

Las export longitude (maximum 32 characters)

Usage

Las_geodetic_datum

Character Name

Description

Las export geodetic datum (maximum 32 characters)

Data Structure: History_section_line
Description	History data structure for a line path
Usage	History_section_line NUM=ival where ival is the data structure number

History_section_line