Comparison
| AutoCAD Compatibility | IntelliCAD +SR | IntelliCAD | AutoCAD | AutoCAD LT |
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| Read-write DWG format |  |
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| All DWG-DXF formats since AutoCAD 2.5 | |
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| AutoCAD command line | |
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| 3D surface commands | |
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| AutoCAD menu (mnu) and script (scr) files | |
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| TrueType font support | |
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| Solid modelling | |
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| Photo-realistic rendering | |
orta | ||
| Raster image | |
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| Easy camera command | |
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| Explode solids into 3D surfaces | |
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| Save drawings in HTML format | |
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| Shaded view printout | |
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| AutoLISP and DCL support | |
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| Object ARX support | |
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| C++ language support | |
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| SDS Visual Basic | |
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| Delphi language support | |
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| DWG preview in Windows Explorer | |
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| Features of Usage | IntelliCAD +SR | IntelliCAD | AutoCAD | AutoCAD LT |
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| Working with multiple documents at the same time | |
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| Special editor for layers, blocks, linetypes etc. | |
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| Script (macro) recorder | |
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| Automatic previews of blocks | |
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| Visual, dynamic menu customizing | |
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| Unlimited undo / redo | |
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| Perspective hidden view and printout | |
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| Entity properties toolbar | |
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| Memory requirement (MB) / Disk usage (MB) | 32 / 38 | 32 / 75 | 32 / 150 | 32 / 110 |
Comparison of Rendering Applications
| ICAD+SR (GRX) | AutoCAD's | LightWork | QRender | |
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| Material creation options and realisticity | high | medium | low | low |
| Material library explorer | |
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| User defined material editing interface | |
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| Real-time material preview | |
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| Texture mapping | |
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| Bump mapping | |
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| Clip/opacity mapping | |
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| Volumetric objects (fog, fire etc.) | |
only fog | ||
| Selective surface smoothing | |
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| Reflection | |
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| Reffraction | |
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| Parametric materials | |
limited | ||
| Assigning material to a specific color | |
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| Assigning multiple materials | |
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| Distance based light attenuation | |
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| User-defined light positioning | |
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| Shadow quality | very high | high | low | n/a |
| Automatic floor | |
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| Multiple rendering outputs at the same time | |
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| Continue drawing while rendering | |
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| Selective, partial or magnified rendering | |
no magnification | ||
| Hidden-line rendering | |
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| Interface ergonomy and usability | high | low | low | low |
| Real-time motion (OpenGL) | |
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| User-defined mapping | |
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| Direct link with image editor | |
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Mouse clicks necessery to:
2- define a light 3- render |
9 | 20 | 13 | 20 |