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- 5. _K_n_o_w_n__P_r_o_b_l_e_m_s
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- This chapter lists the known problems in release of the
- ImageVision Tools.
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- 5.1 _i_m_g_t_c_l__w_i_l_l__a_b_o_r_t__o_n__s_o_m_e__s_c_r_i_p_t__e_r_r_o_r_s
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- The error checking in imgtcl is incomplete. It is fairly
- easy to construct a bogus script that will abort imgtcl. In
- particular, be careful about referencing undefined
- variables.
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- 5.2 _i_m_g_v_i_e_w__c_a_n__f_a_i_l__w_i_t_h__B_a_d_A_l_l_o_c__o_n__R_E
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- On Onyx/RealityEngine systems running Irix 6.2 it is
- possible for imgview to exit with a "BadAlloc" error from
- the X server. This sometimes occurs when the ImageVision
- Library attempts to allocate more pbuffers to accelerate
- processing if all of the processing operations are enabled.
- The workaround is to disable acceleration (from the 'Edit'
- menu on the Processing panel) if this occurs.
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- 5.3 _i_m_g_w_o_r_k_s__d_i_e_s__l_o_a_d_i_n_g__G_I_F__i_m_a_g_e
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- Attempts to load animated GIF images with imgworks can fail
- with a SIGSYS. The work around is to use imgview which uses
- the newer version of the GIF file reader.
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- 5.4 _i_m_g_w_o_r_k_s__d_o_e_s__n_o_t__s_u_p_p_o_r_t__n_e_w_e_r__I_F_L__f_o_r_m_a_t_s
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- Since imgworks is based upon IL 2.5, it cannot take
- advantage of the newer IFL file formats. An alternative is
- to use imgview.
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- 5.5 _i_m_g_v_i_e_w__X__e_r_r_o_r__w_h_e_n__l_o_w__o_n__c_o_l_o_r_m_a_p__e_n_t_r_i_e_s
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- When the server is short of colormap entries, the imgview
- application could receive an X error.
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- 5.6 _N_e_w__f_i_l_e__f_o_r_m_a_t_s__d_o__n_o_t__a_p_p_e_a_r__a_s__i_m_a_g_e_s__o_n__d_e_s_k_t_o_p
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- The desktop rules for images has not been updated to include
- the latest image formats. These new images will not appear
- correctly on the desktop.
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- 5.7 _P_u_r_p_l_e__b_l_o_c_k_s__d_o_t__i_m_a_g_e__i_n__I_m_a_g_e_I_n_f_o
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- When rendering RGB images using color index mode, zooming
- the image can cause dithering problems.
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