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- 3. _D_a_t_a_b_a_s_e__L_o_a_d_e_r_s
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- IRIS Performer provides an extensive set of dynamic shared
- objects for loading databases of different object formats.
- IRIS Performer applications can do run-time look-ups for
- finding DSOs for a file of a particular format based on the
- suffix of the file name. The DSOs for these loaders are
- provided as part of the IRIS Performer execution
- environment.
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- Loaders are provided for several Silicon Graphics data
- formats (_b_i_n, _g_f_o, _i_m, _i_v, _p_h_d, _p_t_u, and _s_g_o) as well as
- many popular formats including Autodesk's _d_x_f and _3_d_s,
- Coryphaeus' _d_w_b, Medit's _m_e_d_i_t, Software Systems _f_l_t, and
- Wavefront's _o_b_j.
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- 3.1 _l_i_b_p_f_d_b__D_a_t_a_b_a_s_e__L_o_a_d_e_r_s
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- _l_i_b_p_f_d_b is a collection of independent libraries (one for
- each supported file format) that read or write a particular
- scene description file format. These loaders are
- implemented using the IRIX Dynamic Shared Object facility
- and are demand loaded as needed. The file loader DSO
- provided with the IRIS Performer execution environment
- include:
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- +o 3ds: AutoDesk _3_D_S_t_u_d_i_o binary data
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- +o bin: Minor SGI format used by _p_o_w_e_r_f_l_i_p
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- +o bpoly: Side Effects Software _P_R_I_S_M_S binary
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- +o byu: Brigham Young University CAD/FEA data
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- +o dwb: Coryphaeus Software _D_e_s_i_g_n_e_r'_s _W_o_r_k_b_e_n_c_h
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- +o dxf: AutoDesk _A_u_t_o_C_A_D ASCII format
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- +o flt11: MultiGen public domain Flight v11 format
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- +o flt14: MultiGen _O_p_e_n_F_l_i_g_h_t v14 format
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- +o gds: McDonnell-Douglas GDS _t_h_i_n_g_s data
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- +o gfo: Minor SGI format (radiosity output)
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- +o im: Minor SGI format (IRIS Performer example)
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- +o irtp: AAI/Graphicon _I_n_t_e_r_a_c_t_i_v_e _R_e_a_l-_T_i_m_e _P_H_I_G_S
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- +o iv: SGI OpenInventor / VRML 1.0
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- +o lsa: Lightscape radiosity solutions (ASCII)
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- +o lsb: Lightscape radiosity solutions (binary)
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- +o m: University of Washington mesh data
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- +o medit: Medit Productions _m_e_d_i_t modeling tool
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- +o nff: Eric Haines' ray tracing test data format
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- +o obj: Wavefront Technologies data format
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- +o post: Minor SGI format (example gridded terrain loader)
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- +o phd: Minor SGI format (polyhedra)
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- +o poly: Side Effects Software _P_R_I_S_M_S ASCII data
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- +o pts: University of Washington point data
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- +o ptu: Minor SGI format (IRIS Performer example)
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- +o s1k: US ARMY SIMNET databases (Texas Instruments)
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- +o sgf: US NAVY standard graphics format
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- +o sgo: Minor SGI format
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- +o spf: US NAVY simple polygon format
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- +o sponge: Sierpinski sponge 3D fractal generator
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- +o star: Yale University compact star chart data
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- +o stla: 3D Structures Stereolithography (ASCII)
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- +o stlb: 3D Structures Stereolithography (binary)
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- +o sv: Format of John Kichury's _i_3_d_m modeler
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- +o tri: University of Minnesota Geometry Center data
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- +o unc: University of North Carolina data
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- Source code for many of these loaders is available in the
- full IRIS Performer product.
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