• Interface
• Modeling
• General
• NURBS Modeling
• Subdivision Surface Modeling
• Solid Modeling
• Metaballs
• Particles
• Materials
• Rendering
• Light sources
• Animation
• Simulations
• Skeletons
• Real time visualization
• Import/Export
• SDK

Interface

• Intelligent user interface which adapts to user's workflow.
• Fully configurable. All windows, buttons, menus, hotkeys, etc. can be defined by the user.
• Multi-layered structure which adapts to the skills of the user.
• Full drag&drop support for quick and easy operations.
• Familiar tabbed user interface included.
• Integrated working environment. No need to jump between modules or working modes.
• Fully utilized pull-down menus and context-sensitive popup menus for easy navigation.
• Compass menus for super fast access to program tools by 'muscle learning'.
• 100 % modeless design - no blocking dialogs or windows.
• Multi-threading architecture for maximal interactivity. Time-consuming tasks are performed by asynchronous threads.
• Includes a consistent and general 'power tool' set which does not limit the user.
• All tools and features are compatible - views can be navigated while a tool is being used, animation paths can be edited while playing the animation etc.
• Info window provides continuously updated guidelines for the current operation.
• A context sensitive help system links all program tools and other user interface elements into the reference manual.
• Tip of the day database.

Modeling

General

• Object handles for easy and accurate mouse transformations in object space.
• Powerful and general transformation tools for manipulations in arbitrary orientations: move, rotate, scale, shear, mirror.
• Freeform deformation tools: circular bending, bending by projection to or distance from an axis or point, several bending shape envelopes available such as parabola, noise, hemisphere, bell, etc.
• A magnet tool allows intuitive surface manipulation.
• Object space management tools: normalize transformation components, reset object space etc.
• Tool for surface displacement defined by bitmap image.
• Freeform deformation lattices using an arbitrary curve/surface or a special-purpose 3D lattice object.
• Collision deformation integrated with modify tools: move a mesh against a sphere to make a bump on it.
• Advanced instancing - instances can be point edited.
• Procedural creation of object copies or instances with symmetric displacement/rotation.
• Point group object.
• Tube tool for procedural creation of circular tube.
• Lathe tool creates efficient analytic shapes.
• A powerful building construction toolkit automates laborious modeling steps of buildings. The constructed model is fully parametric - any feature such as wall position, roof angle etc. can be changed afterwards. The whole building reconstructs automatically.
• Advanced modeling system for plants, trees and other fractal shapes. Constructed models are parametric and thus efficient to render.
• Parametric modeling toolkit for creating scalable objects such as kitchen cabinets, windows and doors.
• Handle/object selection painting tools
• Soft selections
• Full featured macro system: macros can be recorded from GUI actions and they can be connected to hotkeys, buttons, menus or other GUI elements.
• Powerful snap tools including box/lasso/nearest point selector.
• Snapping to user defined averages of existing points.
• Snap to curve.
• Coordinate locking in object/world/view space.
• All snap/lock modifiers can be combined.
• Support for unlimited number of predefined and user defined grids supporting color cycling option and automatic drawing-density clipping.
• Context sensitive numeric input for accurate modeling.
• Interactive position, length, angle, area and volume measuring objects can be added to the scene. Measures update in real time and display the desired dimension / parameter of the scene. Measuring objects can be made visible also in photorealsitic rendering.
• Expression and formula evaluation built into the numeric input system.
• The measuring system supports meters, centimeters, millimeters, inches, and feet.
• Cartesian and polar coordinates.
• Perspective/parallel projections.
• Perspective editing using arbitrary mouse coordinate input planes or object handles.
• Mouse coordinate input by user defined input planes, to snapped 3D points, or to underlying surfaces.
• Versatile tools for input plane management: input plane objects for storing predefined orientations, match to view orientation, match to object orientation, match to surface tangent, match three points, etc.
• Extensive set of visual orientation guiding options: auto-clipped ground plane, scale dependent/independent coordinate system, grid origin, focal point of view.
• Real-time view backdrop images for modeling aid.
• User-definable clipping range (near and far distance)
• Easy and comprehensive view navigation: view specific 'native' spaces which can be easily redefined as suitable, predefined front-back-left-right-top-bottom views, auto focus, clip range focus, several zoom in/out tools, two-directional matching to object geometry (e.g. camera/spotlight view), interactive pan/zoom/rotate/bank by mouse, control buttons or numerically, camera tracking, multiple cameras.
• Flight simulator style navigation controls.
• Single-, tri-, quad- or arbitrary n-viewport combinations supported.
• The best available hierarchical scene data construction and management system supporting drag&drop.
• Support for JavaScript.
• Undo/Redo with unlimited depth.
• Unlimited number of objects, points, light sources, materials per object, windows etc.

NURBS modeling

• Freely adjustable degree for NURBS curves and surfaces: polygonal, cubic, or higher order.
• NURBS curve creation by control points, knot points or by freehand drawing.
• Comprehensive point and curve selection tools: add/subtract/intersection/xor selection modifiers, lasso/box/single point selector.
• Full featured curve/surface manipulation tools: add/delete point/curve, concatenate, degree elevation/reduction, point weight control, add sharp point/curve, break on point/curve, swap direction, open/close.
• User definable parametrization of curves/surfaces: uniform, chord length, Bezier, centripetal, custom.
• Trim curve tools: interactive drawing on surface, point editing of trim curves, creation by 3D curve projection, Booleans of trim curves.
• Automatic fillet tool with rounding.
• Surface welding tool.
• Curve extrusion with option to bevel or round edges.
• Orthogonal and coplanar sweep.
• Bi-rail sweeping.
• Rotation about straight/curved axis with an optional radius modifier curve.
• Cross-section defined surfaces.
• Font tool for extracting Truetype font curves.
• All surface building tools support construction history for easy editing.
• Collection of predefined geometry available ( cube, cylinder, cone, sphere, etc.).
• Conversion to/from subdivision surfaces or triangles.
• Advanced bitmap vectorization to NURBS curves.

Subdivision surface modeling

• Unlimited amount of points/face.
• Edge/point creases for sharp edges/points.
• Rational SDS surfaces included, featuring freely adjustable point weights.
• Edge rounding attribute for exact rounding radius.
• Option to render as control polygon, using triangle tessellation or as NURBS surfaces.
• Powerful editing via point/edge/face handles. All frequently needed actions available via handles and key modifiers.
• Comprehensive editing tool set: subdivide faces to triangles/rectangles, spit edges/faces, extrude selected faces/edges/points separately or as a connected region, bevel edges/points/faces, add/delete faces/edges/points, melt faces/points/edges together, subdivide locally/globally, tunnel faces, disconnect face from other geometry, connect two SDS objects, face/edge/point hide/show, auto-merge triangles to rectangles, etc.
• Unlimited number of data channels (such as UV coordinates)/vertex.
• Plenty of predefined SDS shapes included.
• Conversion from/to NURBS patches (for IGES exporting purposes, for example).
• SDS tool set can be used for polygonal modeling.

Solid modeling

• Analytic non-faceted primitives included, offering efficient models and fast high quality rendering.
• Procedural Boolean operations with easily editable construction history.
• Boolean operations can be easily animated (drilling, cutting, etc.).
• Boundary surface defined solids.
• All objects (including NURBS, SDS and metaball) can be used in Boolean operations.
• Paint option for Booleans defines surface attributes for cut area.

Metaballs

• Spherical and elliptic metaballs supported.
• Selectable density field degree from constant field to smoothly increasing cubic field.
• Inverted (negative) metaballs.
• Material defined density fields.
• Thanks to procedural rendering option, it is possible to model complex metaball systems (millions of metaballs) and render them efficiently with a perfect quality.
• Particles can be used as metaballs.
• Conversion tool to SDS form allows rough model construction using metaballs and detail editing later in SDS form.

Particles

• 1D, 2D and 3D particles included.
• Full control over particle geometry such as radius, diameter, length, etc.
• Rendering using scanline or post processing (=raster) effects such as lens flare.
• Particle geometry is separated from rendering appearance. The user can map materials and/or effects to particles to achieve infinitely many variations.
• Unlimited amount of properties/particle geometry item.
• Construction using point/curve pen, 2D/3D airbrush, surface painting or distribution on target surfaces.

Materials

• Material system is based on the powerful Visual Shading Language, which provides the end user with power equal to programming languages, while also remaining extremely easy to use. Simply drag&drop new VSL elements to a material and select from a channel list what property to modify.
• A library of predefined VSL materials included.
• Layered interface: existing materials can be combined and edited easily. Advanced users can produce unique effects using VSL.
• Real-time material previewing system with customizable test scenes and network rendering support.
• Material library management tools.
• Material assignment to geometry objects using easy and quick drag&drop or using the mapping tools which provide full control.
• Several pre-built material mapping methods: parallel, cylinder, cube, pyramid, spherical, disk, camera, uv and mesh mapping along parent surface. Mesh mapping geometry can be edited freely in parent space.
• Intelligent roll mapping for automatic and easy tiled texturing of multiple planar surfaces. A real power feature for architectural modeling.
• Easy automatic and advanced user-defined material fades/gradients.
• All material mapping objects are geometric primitives, which can be edited exactly the same way as regular objects. There is no additional tool set for this purpose, making the program easier to learn.
• The user can totally control and customize mapping coordinates using VSL.
• Brilliancy mapping, transparency mapping, clip mapping, alpha mapping, glow mapping, etc. included - the list is infinitely long because of the open VSL architecture.
• Rendering time displacement mapping modifies surfaces during the actual ray tracing. Millions of fine details can be added to objects using it.
• The 64-bit rendering channel technology of Realsoft 3D suits perfectly HDRI mapping and other similar state-of-art rendering techniques.
• Unlimited number of 'material properties' available via the revolutionary dynamic channel system.
• Unlimited amount of different procedural texture and bump maps can be created easily using VSL.
• Volumetric materials.
• Full control of volumetric lighting effects using VSL.
• Advanced alpha channel effects.
• Fading effects.
• Full control over material blending, layering, averaging, faded material gradients, etc.
• Built-in texture/material antialiasing feature works also with procedural textures.
• Full featured texture/bump mapping tools: tiling, flipping, gradients with a desired order of interpolation, support for animated image sequences and avi files, etc.
• Environment mapped reflections.
• UV editor for exact placing of UV mapped textures.
• Hundreds of photographed high-quality, seamlessly tiling textures included.
• The end user can define a compact and efficient top-level interface for VSL materials.
• Large collection of powerful VSL objects included: constant property, linear transformation, Perlin noise, cell noise, image texture map, image bump map, random, level (block), conditional, NURBS transformation, specular illumination, copy, wave, mathematical operations, variables, etc.
• Real-time 3D painting system.
• Color picker tool.
• Conversion of procedural materials to an UV map.
• Projection tool which paints a textured surface to a UV map of another underlying surface.
• Material properties can be assigned directly to geometry points using numeric controls of the property window or with the vertex painting tool.

Rendering

• 64-bit ray tracing technology which produces superior image quality.
• Combined ray tracing, scanline rendering and raster rendering for post processing effects.
• Physically correct motion blur works with camera motion, shadows, reflections, post effects etc.
• Field rendering, with a full control over odd/even field order and automatic interlacing.
• Depth of field.
• Powerful glow control system.
• Lens flare, photographic glow, blur, edge detection and other post processing effects.
• Support for unlimited number of image buffers and image rescaling in post processing.
• User-defined post processing by VSL.
• Ray trace buffering for quick experimenting with post effects.
• Scanline rendering of particles and NURBS curves for hairs, fur, dust, etc.
• Outline and cartoon style rendering; option to blend with shaded rendering with full control using VSL.
• Rendering tools for advanced caustics effects. Multi-wavelenght ray tracing is possible, and pheneomena such as light spectrum from a prism can be simulated.
• Customizable Global Illumination system for indirect illumination effects.
• Illumination baking: direct and indirect illumination can be evaluated into texture maps.
• Multiple (animated or constant) backdrop objects for foreground, background and unlimited amount of 'in-between' layers.
• Backdrop objects take Z-buffer, reflectivity, transparency, alpha, etc. information into account.
• Tools for true 3D composition, including extensive alpha channel, Z-buffer and G-buffer support.
• Matte objects, matte shadows, matte reflections, etc.
• Advanced camera system including flashlight, film sensitivity, safe region, tracking, overscan, vertical film option etc. controls.
• Support for multi-processor hardware.
• Distributed cross-platform network rendering based on the standard TCP/IP protocol.
• Distributed rendering via the Internet.
• Distributed rendering can be used in all rendering, including single images and material previews.
• Rendering management tools for automatic rendering of multiple projects.
• Adaptive and intelligent anti-aliasing system with an option to use stochastic or geometric sampling.
• Volumetric lighting, volumetric shadows, gas, fog, plasma effects.
• A special atmosphere object available for definition of infinite volumes.
• Double/multi refractions.
• High-quality blurred reflections/refractions.
• Quick low color dithering for screen previews as well as floating point accurate dithering for high-quality output.
• The rendering process can be customized totally using VSL - unique effects and rendering styles can be defined.
• Dynamic channel system: unlimited number of data channels can be attached to scene objects and materials and processed for custom effects in the rendering engine.
• All channels can be saved to any of the available file formats or their combinations for later use in post processing, compositing, etc.

Light sources

• Point lights with adjustable size.
• Spot lights with adjustable edge fading and an option to show a visible beam.
• Distant lights.
• Ambient lights.
• Negative lights.
• Any surface can be used as a multi-colored area light.
• Full control over shadow casting per light source.
• Smooth shadows by stochastic adaptive sampling.
• Shadow mapping for quick smooth shadows.
• Support for indirect illumination.
• Several falloff types available: constant, per distance, per distance squared, local, user defined.
• Unlimited amount of light properties available by the dynamic channel system: infrared lighting, xray, etc. custom effects can be created.
• Light properties can be defined using VSL, for example a texture mapped slide projector or an arbitrary volumetric ambient light distribution.

Animation

• Easy to use key frame animation interface.
• All properties of all objects can be animated.
• Animated properties can have different amount of keys - this is also true for sub components such as translate x and y.
• Quaternion interpolation system which produces intuitive rotation interpolation.
• Euler angle interpolation as an option.
• Animated properties can be controlled using smooth cubic NURBS curves, linear curves or by using non-interpolated values.
• Easy pivot point control.
• Full featured path animation tools: constant speed paths, several automated banking options (such as airplane style banking) included, deformation paths, etc.
• Acceleration/deceleration along a path can be defined using key framing.
• Surfaces can be used as paths - useful, for example, in banking control.
• Morphing by key framing deformations and by using key objects.
• Easy to use tools for rotations around an arbitrary axis.
• Behavioral animation: objects can be controlled using plugged in scripting languages.
• Key frames and other animation effects can be defined hierarchically.
• Choreography system which allows weighted blending of multiple animation effects per object.
• Animations can be created by 'teaching' choreography components to objects and combining the components using the choreography editor.
• Choreographs can be exchanged between objects.
• Time line editor for accurate timing and synchronization control of the defined animation effects.
• Event-driven animations.
• Any object attribute can be used as an input for any of the defined animation effects.
• Support for all standard video systems (PAL, NTSC, etc.), time scales (real-time, seconds, frames) and frame indexing conventions.

Simulations

• Collision detection based on the true shape of the objects.
• Gravity between objects and in a constant field.
• Electro-magnetism.
• Fluid dynamics system for air and fluid flow effects.
• Fan object for wind, turbulence, etc.
• Procedural object creation for simulation purposes.
• Particle emitters.
• Explosions by collision impact or at a predefined time.
• Simulations can be controlled using the following properties: mass, electric charge, surface friction, rebound energy, elasticity, rigidity, inertia, center of gravity, velocity, spin, impact properties, fluid density, fluid velocity, fluid pressure, fluid friction, flow symmetry, explosion properties, simulation component state (off/cause/cause+affected), collision accuracy.
• Simulations can be converted to key frame animations.

Skeleton control

• Robust hierarchical skeletons.
• Three angle constraints/joint which can be defined by bending the skeleton, by editing angle handles or numerically.
• Efficient skeleton editing using the included comprehensive set of skeleton handles.
• Joint anchors.
• Angle locks.
• Angle friction and joint motion friction.
• Editing by inverse and forward kinematics.
• Each joint can be animated by inverse kinematics or using angle interpolation
• Three alternative angle interpolation options: Euler angles for mechanical constructions, Quaternions for smooth interpolation routes and a new HPT system which eliminates unwanted torsion and skin tension.
• Support for native poses.
• Skin deformation by a built-in fidelity attribute or by a user-defined choreography.
• Muscle deformations can be defined easily by key framing the deformation using a bone angle as the input.
• Foot step paths for walking motions.
• The same object can be mapped to several skeletons using weighted multi mapping.
• Several objects can be mapped to the same skeleton.
• Automatic weighted multi-mapping using user-defined mapping volume radius around bones.
• Point accurate skeleton mapping and weight control for fine tuning.
• Skeleton mapping weight can be modified also using the vertex painting tool.

Real time visualization

• Each viewport can use either shaded drawing or wireframe drawing.
• Adjustable point density for curves, curve density in surfaces and tessellation density for shading.
• Detailed control for object handle drawing.
• Support for near/far clipping planes helps in editing complex models.
• Object/face/point hiding.
• Real-time shading via OpenGL.
• Hidden line wireframes and wire/shaded composite drawing.
• Real-time reflections using environment maps.
• Direct UV textures for super fast 3D painting and manipulation in OpenGL.
• Also multiple procedural / blended materials per object can be previewed in OpenGL using desired accuracy.
• Advanced use of transparency in OpenGL shading for control polygon and object handle visualization.
• Other OpenGL features: anti-aliasing, fog, adjustable line width, display lists, flat shading.
• Real-time drawing is handled using multi-threading - the user interface responds always immediately.

Import/Export

• Image formats: jpg, OpenEXR, tif, bmp, targa, gif, cineon, ppm, iff, Realsoft 3D format with selectable data type (byte-word-integer-double precision float/channel) and unlimited amount of channels/file.
• Animation files: avi, mpg and flc.
• Object geometry formats: .obj, dxf v.12, 3ds, fbx, postscript, Real 3D v.3.
• Third party plugins: IGES import/export, VRML export, Adobe illustrator import.
• Tool for saving 2D projections into supported vector formats (ps, dxf).

SDK

• 100 % open interface provides full control over all program features.
• 100 % platform independent code.
• Plug-ins integrate seamlessly to the existing Realsoft 3D interface.
• 100% object oriented programming system.
• Modular and dynamic structure.
• Full localization support. Windows adapt automatically to the length of the strings and other user interface components. Even the end user can localize the program.
• Plugins can be developed using the free SDK and the demo version with the standard C/C++ tools.