CSIBRIDGE
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STATICS, DYNAMICS and EARTHQUAKE ENGINEERING
3D FINITE ELEMENT ANALYSIS and DESIGN SOFTWARE for BRIDGES and STRUCTURES Windows XP/ Vista /Wındows 7 (64 bit Multiprocessor/Multi-threading) Multi-Processor /Multi-Threading Analysis Solvers; Fast, fast, fast analysis times and unmatched solution capacity • Very large models • Nonsymetrical and Symetrical Structures • Piled Foundations, Cable Structures • Reinforced Concrete, Steel and Aluminum Frame Design, Shell R.Concrete Design • Modal Analysis, Response Spectrum, Time History, Linear and Nonlinear Analysis, Pushover Analysis, Base Isolators, Viscous Dampers, Power Spectral Density, Staged Construction, Explosion Analysis, Time dependent Creep and Schrinkage • MODEL-ALIVE™ Option in ; The Model-Alive feature provides continuous updating of the model during development and editing, automatically re-running the analysis for every revision so that model changes are easily evaluated.
USER MANUALS IN .PDF FORMAT:
INTRODUCTION: www.comp-engineering.com/downloads/manuals/SAP2000/English/IntroductiontoCSiBridge.pdf BRIDGE SEISMIC DESIGN www.comp-engineering.com/downloads/manuals/SAP2000/English/BridgeSeismicDesign.pdf BRIDGE SUPERSTRUCTURE DESIGN www.comp-engineering.com/downloads/manuals/SAP2000/English/BridgeSuperstructureDesign.pdf BRIDGE RATING www.comp-engineering.com/downloads/manuals/SAP2000/English/BridgeRating.pdf Lateral Loads Manual
www.comp-engineering.com/downloads/manuals/SAP2000/English/CSIBRIDGELateralLoadsManual.pdf
KEY FEATURES and TERMINOLOGY www.comp-engineering.com/downloads/manuals/SAP2000/English/CSIBRIDGEKeyFeaturesandTerminology.pdf
DEFINING the WORK FLOW www.comp-engineering.com/downloads/manuals/SAP2000/English/CSIBRIDGEDefiningtheWorkFlow.pdf
REFERENCE MANUAL www.comp-engineering.com/downloads/manuals/SAP2000/English/CSIBRIDGECSiRefer.pdf
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CSiBridge Version 15 Significant Features Computers and Structures, Inc. is proud to release the all-new CSiBridge. Now, the analysis, design, and rating of simple to complex bridges may be handled using a single program. Parametrically defined bridge models may be created using spine, shell or solid objects. CSiBridge incorporates a new ribbon-based interface that provides for an easy-to-use and intuitive workflow. All of the powerful features from SAP2000/Bridge have been incorporated into CSiBridge, and new features have been added: · Faster 3-D graphics · Steel-girder design · Steel-girder design optimization · Load rating for concrete bridges · New international vehicles · Hybrid steel girder · Point, line, and area loading on deck · Staggered diaphragms · Import of layout lines from LandXML · Detailed stress results for girder and slab in staged-construction CSiBridge allows for quick and easy design and retrofitting of steel and concrete bridges. Bridge models may be defined using ribbon tabs and buttons that use common bridge engineering terms, such as layout lines, superstructure and substructure components, bearings, abutments, bents, hinges, and post-tensioning. Lanes and vehicles can be defined quickly and include width effects. Simple and practical Gantt charts are available to simulate modeling of construction sequences and scheduling. Staged construction, creep and shrinkage analysis, cable tensioning to target forces, camber and shape finding, geometric nonlinearity (P-delta and large displacements), material nonlinearity, buckling, static and dynamic analysis are all available in CSiBridge. The AASHTO LRFD design is included for steel and concrete bridges with automated load combinations. Seismic design and capacity checks may be automated to include lateral pushover analysis.
CSI Bridge Levels CSIBridge Advanced The following items are only available in the Advanced Level: 1. Nonlinear static cases – except for single stage with T/C limited frames and P-delta 2. Nonlinear history cases 3. Direct Integration history cases 4. Wave loading cases 5. Staged constructions cases – except single stage, non time-dependent, not starting from a previous case CSIBridge Advanced w/Rating Same as CSIBridge Advanced also includes Bridge Rating feature. CSIBridge Plus Same features as SAP2000 Plus with Bridge Module CSIBridge Plus w/Rating Same as CSIBridge Plus also includes Bridge Rating feature. 3
CSiBRIDGE FEATURES Parametric Bridge Modeling
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Bridge template modeling for: Straight or curved bridges Steel Girder Bridges Concrete box girder bridges Cable stayed bridges Layout line definitions: Using bearings and stations Using landXML data files Deck section templates: Steel girder Concrete box girder Precast I and U girders T girders Super-elevations and skews Spans Abutments Bents Hinges Bearings Nonlinear bearings Cross sectional variations along length 4
Plus w/ Rating Advanced
Advanced w/ Rating
Lane definitions Post-tensioning: Quick and easy tendon layout Additional Drafting and Modeling
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Plus w/ Rating Advanced
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Plus w/ Rating Advanced
Advanced w/ Rating
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Plus w/ Rating Advanced
Advanced w/ Rating
3D line and area objects 3D solid objects Database of all standard hot rolled steel, aluminum, & cold formed sections Section designer for specialized sections Interactive database spreadsheet editing Analytical Modeling Features Meshing tools Automatic mesh generator Automatic edge constraint technology for mismatched meshes 2D and 3D frame element Tendon element Cable element Catenary cable behavior Shell element Coupled spring element Plane-stress, plane-strain and solid of revolution (Asolid) elements Linear link element with stiffness and damping Automated panel zone element Nonlinear link elements: gaps, hooks Nonlinear link elements: plasticity, dampers, isolators Frame tension/compression-only behavior Nonlinear frame hinge element Nonlinear layered shell element Loading Features Parametric loading capabilities tied to bridge geometry Moving loads on lanes independent of shells and solid elementst AASHTO and international vehicle load definitions General vehicle and train load definitions 5
Point, line, trapezoidal, and area loads Tributary area load distribution to frames Automatic code-based wind loading Pattern loading Open structure wind loading Automatic code-based seismic loading Applied displacement loading Gravity, pressure and thermal loading Strain loads, deformation loads, target force Prestress loads Analysis Features
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Fast advanced solver technology with SAPFireTM analysis engine Multiple 64-bit solvers for analysis optimization Generalized joint constraints including: diaphragms, plates, rods & beams Eigen analysis with auto-shifting for ill-conditioned problems Ritz analysis for fast predominant mode evaluation with missing mass Multiple response spectrum cases in single run Modal combination by the CQC, SRSS, GMC or double sum methods Direction combinations by the ABS, SRSS, or CQC3 methods Linear dynamic modal time history analysis Frequency domain analysis Power spectral density analysis Linear buckling analysis Nonlinear buckling analysis Nonlinear analysis Tension/Compression-only frame elements P-delta analysis - both small and large P-delta Static pushover analysis Wilson FNA (Fast Nonlinear Analysis) method Direct integration time history Line and surface multi-linear springs (P-y curves) 6
Plus w/ Rating Advanced
Advanced w/ Rating
Material nonlinearity - frame hinges and links Geometric nonlinearity - large displacement Creep and shrinkage Staged construction Gantt chart scheduler Target final geometry iterations Static & dynamic load combos - linear, envelope, absolute, SRSS, range Design Features
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Plus w/ Rating Advanced
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Plus w/ Rating Advanced
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Bridge superstructure design: Composite steel girder (AASHTO LRFD 2007 with 2008 interims) Precast I and U girder (AASHTO LRFD 2007) Concrete box girder (AASHTO LRFD 2007) Automated seismic design: Category A, B, C Category D Bridge Rating Capabilities Concrete box girder bridges (AASHTO LRFR 2005) Precast I and U girder bridges (AASHTO LRFR 2005) Output and Display Features Deformed and undeformed geometry in 3D Loading diagrams Moment, shear and axial force diagrams Stress contours for area and solid objects Resultant forces displayed along section cuts Detailed results with right button click Virtual work plots Time history displays of function vs. time 3D Influence surfaces Force vs. deformation plots Response spectrum curves from time history response Video of animations and time varying results displays Capture of graphics to .emf, .jpg, .bmp, .tif 7
Customized report generation
BRIDGE WIZARD A powerful tool that guides users along the model creation path.
• Step-by-step creation of complete bridge model • Detailed guidance for each step • Tree view of bridge model updated with each change • Automatically update model by changing parameters
BRIDGE OBJECT MODEL
A comprehensive assemblage of all components that make up the bridge model.
Switch between spine, shell, and solid models with single click • Parametric modeling of steel and concrete deck sections • Concrete and steel diaphragms • Restrainers and bearings • Linear/nonlinear foundation springs • Non-prismatic superstructure variation • Skewed abutments, bents, and hinges • Single-bearing & double-bearing bents • Prestress tendon layout • Superelevation • Curved beams and girders • Diaphragms and staggered cross-frames
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BRIDGE MODELING OPTIONS Sophisticated options for capturing accurate bridge behavior. • Abutments may be modeled as bents • Bearing properties and location may be user defined • Kinematic effects due to abutment and bearing geometries are included • Bridges may be analyzed as full 3D-shell or spine models
LAYOUT LINES Flexible and powerful control over bridge geometry.
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Quick definition of highway layout Bearings and stations notation Horizontal and vertical curves Spiral transitions
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SECTION DESIGNER Allows for quick creation of arbitrary section shapes.
• Arbitrary steel, concrete, or composite sections • Caltrans sections • Calculation of section properties • Automated fiber layout for fiber hinges • PMM interaction surfaces • Moment-curvature relationships
PARAMETRIC DECK SECTIONS Vary geometric parameters to easily modify deck and girder arrangements.
• Concrete box girders • Full parametric definition of cross sections • Concrete tee beam sections • Precast I and U girder sections • Steel girders with composite deck • Variable section definition parameters
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LANES and VEHICLES Rapidly specify lanes and the associated vehicles.
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Lanes based on layout lines or frames Width effects for lanes and vehicles Auto transfer of vehicle loads to bridge structure Extensive vehicle library including AASHTO and other codes Custom vehicles
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POST-TENSIONED BOX GIRDERS Refined options for laying out tendons and forces.
• Quick tendon layout • Tendons in frames, shells, and solids • External tendons • Secondary force calculation • Creep, shrinkage, relaxation, anchorage slip, elastic shortening losses • Explicit timedependent effects in tendons • Automatic location of tendons in girders
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FOUNDATION MODELING
Advanced modeling capabilities allow foundations to be included with the superstructure.
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Pile or spread footings P-Y multi-liner force deformation assignments Compression only soil springs Grade beams as line springs Soil springs properties may be linear on nonlinear
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LOADING Support for an exceptionally wide range of moving, static and dynamic load and analysis types.
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Moving loads with 3-D influence surfaces AASHTO, Chinese, or user-defined nonlinear temperature gradients Multi-step static and dynamic moving load Response spectrum and time-history Geometric and material nonlinearity Multi-support base excitation Parametric loading of superstructure Live load distribution by code or analysis True dynamic effects of moving live loads High frequency blast dynamics using Wilson FNA
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BRIDGE ANALYSIS OPTIONS Powerful techniques for state-of-the-art bridge analyses.
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Speed and power of the SAPFire engine Large Capacity Eigen and Ritz model analysis 3D Pushover Analysis Multi Support Excitation Dynamics Energy Dissipation Designs Buckling Analysis Staged Construction Linear and Nonlinear Dynamic Analysis Multi-step static and dynamic moving load analysis Response spectrum and time-history analysis High frequency blast dynamics using Wilson FNA
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STAGED CONSTRUCTION
Provides users with intuitive control over time effects.
Staged Construction feature adds capability to consider staged construction sequencing for any model. Time dependent effects such as creep and shrinkage can be included in staged construction analyses. Specifically included are: Staged construction sequencing allowing Adding or Removing members • Staged construction sequencing allowing Adding or Removing loads • Staged construction sequencing allowing Adding or Removing supports • Time dependent concrete age effects (FIP-CEB) • Time dependent creep and shrinkage (FIP-CEB) Time dependent prestressing steel relaxation (FIPCEB) • Explicitly model time-dependent effects using tendon elements • Construction scheduling using standard Gantt charts to generate staged-construction cases • Staged-construction groups may be defined as part of bridge object • Control by individual objects as well as by group • Frame end releases can be changed • Property modifiers for frames, tendons, and shells can be changed • Section properties for frames, tendons, and shells can be changed • Segmental, composite, and other bridge types • Creep, shrinkage, and strength change • Camber calculation and shape finding • Automatic cable tensioning
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CABLE STAYED BRIDGES Offers modeling tools for the rapid determination of cable shapes.
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Automatic cable shape finder P-Delta plus large displacement geometric nonlinearity Cable target force determination Full 3D gravity, wind and seismic analysis capabilities Multiple point excitation for time-history analysis Large deformation catenary cable analysis Automatic jacking and cable-tensioning control Shape-finding for camber calculation
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BRIDGE DESIGN Sophisticated design for a wide-range of steel and concrete bridge types. • Bridge Superstructure Design: - Composite Steel Girder (AASHTO LRFD 2007 and 2008 interims) - Precast I and U Girder (AASHTO LRFD 2007) - Concrete Box Girder (AASHTO LRFD 2007) - Principal stress checks • Automatic load combinations • Design checks include: - Stress checks - Shear checks - Flexure checks - Principal stress checks
RESULTS and OUTPUT Numerous choices for displaying and reviewing analysis results. • • • •
Animated displacement and stress plots Graphical results on screen Tabular output to Microsoft Excel Analysis and Design report in Microsoft Word format
INFLUENCE SURFACES Effective visualization options for interpreting bridge response.
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3D Influence surface plots for joints, frames shells and links Influence line or surface plots for joint displacement or reactions Plots as contours Plots along lane center or lane widths
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BRIDGE RATING
Advanced technology automatically determines complex bridge rating factors. • Concrete box girder bridges (AASHTO LRFR 2005) • Precast I and U girder bridges (AASHTO LRFR 2005)
Rating Factor:
BRIDGE ANIMATIONS Animate vehicles and other results to help understand bridge behavior. • Create real time movie files showing time-history and moving vehicle responses • Include multiple vehicles • Displays may include displacements and stresses Golden Gate Bridge Animation Moving Vehicles Moving Vehicles and Deflections
IMPORT – EXPORT IMPORT: Text file, Excel Spreadsheet, Access file, CIS/2 Step file, AutoCAD .dxf file, IFC .ifc file, IGES .igs file, NASTRAN .dat file, STAAD/GTSTRUDL .std/.gti file, StruCAD*3D file, LandXML file. EXPORT: Text file, Excel Spreadsheet, Access file, CIS/2 Step file, AutoCAD .dxf file, IFC .ifc file, IGES .igs file, PERFORM 3D text file, PERFORM 3D STRUCTURE.
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Significant enhancements included in CSiBridge v15.0.1: •
A new option has been added for the modeling of I-girders in composite steel-girder superstructure sections. In addition to the existing options to model the I-girders as frame objects or as area objects (for both web and flanges), the girders can now be modeled using area objects for the webs and frame objects for the flanges.
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A new bridge seismic design check has been added to the Chinese version that follows the Chinese code JTG/T B02-01-2008, "Guidelines for Seismic Design of Highway Bridges".
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Bridge design for prestressed concrete box girder superstructures using Chinese code “JTG-D62-2004” in the Chinese version has been updated as follows: (1) The effect of existing longitudinal rebar is now accounted for in flexural design. (2) A new design check has been added for tendon stress.
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The Chinese 2002 building design codes are available for concrete and steel frame design in the Chinese version.
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Concrete frame design has been enhanced to improve the smoothing of P-M-M interaction surfaces in those rare cases where they become non-convex due to kinks in the P-M curves.
CSiBridge V15.1.0 Enhancements •
Built-in European concrete and steel material properties.
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Display and output of frame stresses.
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Load optimization feature to determine the optimal loading scale factors to achieve goals and limits on displacement and force response throughout the structure.
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Canadian NBCC 2010 loading for wind, seismic, and response-spectrum.
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American ASCE-7 loading for wind, seismic, and response-spectrum.
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Italian NTC 2008 response-spectrum functions with geographic database.
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Specialized bridge groups may now be specified within each bridge object. Each bridge group applies to a particular type of component (slab, girder, bearing, etc.) and an individual bridge object. Depending on the bridge group type, groups may be defined for multiple items, multiple longitudinal ranges, and/or multiple transverse ranges.
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The specification of rebar for the bridge object superstructure has been enhanced. Distances are now measured along each individual girder. Longitudinal rebar is located relative to the center of the supports or the centers of the girder spans, and shear rebar is located relative to the ends of each girder span.
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A new design request type has been added for steel I-girder composite bridge superstructures to account for the constructability check according to the "AASHTO LRFD 2007" code, including the 2008 interim provisions. Composite and non-composite behavior can both be considered, with or without using stagedconstruction analysis.
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Bridge load rating has been added for steel I-girder composite bridge superstructures according to the AASHTO "Manual for Bridge Evaluation", First Edition, 2008. Separate rating requests are provided for the service and strength checks of both composite and non-composite superstructures. Live-load distribution factors can be automatically calculated using code formulae, specified by the user, or determined from a detailed 3-D live-load analysis.
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For flexural-strength superstructure design checks by the AASHTO LRFD 2007 code, the effect of userspecified reinforcement is now included for the prestressed box-girder and precast-girder composite sections. Previously only the effect of the concrete and tendons were included in these checks. The effect of reinforcement for the slab of steel-girder composite sections was already being considered.
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Design checking has been implemented for concrete superstructure sections according to the Canadian "CAN/CSA-S6-06" code. Superstructure types supported include prestressed concrete box girders and composite sections with precast I-girders and U-girders. Separate design checks are provided for stress, 20
flexural strength, and shear strength using MCFT (modified compression field theory). The effect of mild reinforcing is included as well as the prestress tendons. Live-load distribution factors can be automatically calculated using code formulae, specified by the user, or determined from detailed 3-D live-load analysis. •
Automated load combinations and design load types have been added as required for bridge design according to the Canadian code CSA-S6-06.
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Canadian steel frame building design code CSA S16-2009.
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Other minor enhancements.
CSiBridge V15.1.1 Enhancements •
User-defined stress points may now be specified for Section Designer frame sections.
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Plotting of bridge superstructure results now includes an option to show the hyperstatic (or secondary) forces and moments acting on the superstructure cross-section for load cases and combos representing prestressing load.
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The OAPI (Open Application Programming Interface) has been changed so that multiple instances of CSiBridge can now be started from an external program or script.
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New functionality has been added to the Open API (Open Application Programing Interface) for the design codes.
Processor: • Minimum: Intel Pentium 4 or AMD Athlon 64. • Recommended: Intel Core 2 Duo, AMD Athlon 64 X2, or better. • A CPU that has SSE2 support is required. • The SAPFire® Analytical Engine includes a multi-threaded solver that can take advantage of multi-core CPUs. Operating System: • Microsoft® Windows XP with Service Pack 2 or later, Microsoft® Windows Vista, or Microsoft® Windows 7, 32and 64-bit versions. • With a 64 bit operating system, the SAPFire® Analytical Engine can utilize more than 4 GB of RAM, making it possible to more efficiently solve larger problems. Memory: • Minimum: 2 GB for XP O/S, 4 GB for Vista/Windows 7 O/S. • Recommended: 4 GB for 32-bit O/S, 8 GB or more for 64-bit O/S. • The problem size that can be solved & the solution speed increases considerably with more RAM. • Vista/Windows 7 requires more RAM than XP for the operating system itself. Disk Space: • 6 GB to install the program. • Recommended: 500GB or larger Hard Disk Drive (7200 rpm SATA) • Additional space required for running and storing model files and analysis results, dependent upon the size of the models. Video Card: • Minimum: Supporting 1024 by 768 resolution and 16 bits colors for standard (GDI+) graphics mode. • Recommended: Discrete video card with NVIDIA GPU or equivalent and dedicated graphics RAM (512 Mb or larger) for DirectX graphics mode. The card must be DirectX 9.0c compatible (DirectX SDK Aug 2009 – Build 9.27.1734.0). • DirectX graphics mode fully utilizes the hardware acceleration provided by a GPU and dedicated graphics RAM. • For better graphics quality in terms of anti-aliasing and line thickness, the device raster drawing capabilities should support legacy depth bias.
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