Imatest Documentation

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Imatest Documentation Troubleshooting What to do when Imatest doesn't work Version Be sure you have the current version. It may contain fixes for bugs from earlier versions. The version number appears in the bar at the top of the Imatest main window. If it's not the same as the latest version in the Change Log, you should download, install, and run the latest version. Installation To run Imatest in Windows Vista, you'll need version 2.3.3 or later. Update installations do not normally require an uninstall of the previous version, but if you encounter difficulties you may want to uninstall and reinstall Imatest. The Uninstaller is accessable from the Start menu (Start, All programs, Imatest, Uninstall) or from the Add or Remove Programs function of the Control Panel. It gives you the option of keeping or removing the Matlab runtime library archive, Imatest-lib.exe. (Keep is the default; you have to check the box to remove it.) Keeping it speeds up reinstallation. Remove it only if you don't plan to reinstall Imatest or if you have good reason to suspect it may be corrupted (a rare occurrence). Click here for full installation instructions. Problems during installation Installation or registration can fail if You don't have administrator priveleges on your computer. Your computer is behind a strong corporate firewall. This message sometimes appears in systems that have strong firewalls. It can usually be corrected by making sure the Matlab runtime library, Imatest-lib.exe, available from the Download page, is in the same folder as the Imatest installation file. You may need to temporarily disable your firewall and manually download the library file. If you have receive an indication of a "DNS error" (very rare), try clicking Start , Run... Enter ipconfig /flushdns in the Open... box, then click OK . Problems following installation The most common installation problem is a failure of the Matlab runtime library, Imatest-lib.exe, to download or install properly. This results in an error message of the form, "The procedure entry point ... could not be located in the dynamic link library ... .dll." If you get such a message, check to see if file Imatest-lib.exe has been downloaded correctly. Also, check the status of your firewall. Strong firewalls have caused this problem. If it was downloaded automatically (during installation) there should be a copy in the Imatest installation folder (C:\Program files\Imatest in English language installations). If you downloaded it manually (usually required in systems with firewalls), there should be a copy in the same folder as the Imatest installer program, Imatest-x.x.exe. Windows XP Explorer reports its size as 8,513 kB, but the tooltip that appears when you move the cursor over the file name reports its size as 8.31 MB (go figure). If the download failed, a smaller size may be reported. 114 of 451
Imatest Documentation If you fail to find Imatest-lib.exe or if you suspect that it was downloaded incorrectly, download it by right-clicking here or on any of the links in this section, then reinstall Imatest. Imatest-lib.exe is a self extracting zip file that places the Matlab runtime library in subfolder bin\win32 and toolbox\matlab of the Imatest installation folder. If problems persist, check to see that these folders are populated, then send e-mail to Imatest support with the text of the error message, if any, that appears in the DOS window. Missing DLL files In rare instances, four DLL files, jpeg_depth.dll, dataread.dll, imjpg8.dll, and rjpg8c.dll, may be missing from subfolder toolbox\matlab\iofun\private\ of the Imatest installation folder. Because they are not included in Imatest-lib.exe they are installed using a different procedure, which fails in fewer than 1% of installations. If you get a message that indicates they may be missing, you should check for them in the subfolder and install them manually if they are absent. In Imatest 3.1 or later, the four files are installed to the Imatest installation folder as well as the subfolder. They can be copied to the subfolder ( \toolbox\matlab\iofun\private\; C:\Program Files\Imatest\toolbox\matlab\iofun\private\ in English language installations) if they are missing. For earlier versions you can download jpegdlls.zip and copy the contents to the subfolder. Runtime errors If Imatest does not run as expected, the DOS window that normally stays minimized may contain helpful information. You can open it by clicking on the Imatest DOS Window icon in the taskbar. Here are some potential problems. An Imatest run may fail if the image file path name contains non-Latin characters. We have seen such a failure with Chinese characters. The error message was The error message caught was : Invalid file identifier. Imatest.ini, the file that contains settings stored when modules are run, may have gotten corrupted. Imatest.ini (and also rescharts.ini, multicharts.ini, etc.) contain saved settings that speed up Imatest runs. It is created when Imatest is first run. Settings include regions of interest (ROIs), plot selections, plot scales, and calculation techniques. Sometimes a setting gets corrupted and causes Imatest to crash. Ini files are text files structured so that section titles are enclosed within brackets ( [ ... ] ) and lines have the form name = value, e.g., nwid_save = 2601. [section] name1 = value1 name2 = value2 ... [next_section] There are several things you can do if you suspect that an ini file has been corrupted. In the Imatest Main window (or in the Rescharts or Multicharts windows), click Settings, Reset defaults (all). This deletes imatest.ini, then recreates it with a few default values. The sections are repopulated when modules are run. Click Settings, View settings (ini file). This opens imatest.ini in a simple editor (Notepad) that you can edit (if you have any idea what to change), then save by pressing control-S. You can also copy the contents and paste it into an email to Imatest support, as described below. Click Settings, Edit/reset module(s) to open the INI file Editor/Debugger, shown below. 115 of 451
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Imatest Documentation © 2009 Imate
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Imatest Documentation Using SFRplus
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