G'day,
Thanks to all who responded, in particular Lyle Burgess who spent some time pondering over the problem, and being on the right track. The response from Martin Higham (a fellow Victorian) proved to be the answer to my problem: You should be able to sort it out pretty easily. Some background: 1. As you rightly assume, you need MapImagery to register and display .alg images. 2. Since MapImagery is free, there is no reason why you shouldn't use it in any MapInfo installation you want to. 3. So long as MapImagery has been installed, it does not need to be on the menu bar in order to open a registered .alg file. You only need the MapImagery menu commands to register the .alg file to begin with. 4. When you register any ER Mapper image (.ers, .alg, .ecw) with MapImagery, it adds some "smarts" by pretending the pixel size is different to the actual pixel size. This supersampling is set in the MapImagery options to values between 1 and 64. Then MapInfo thinks the pixel size is somewhat smaller than it really is, and MapImagery does the interpolation on the fly to produce a smoothed appearance. 5. So, if you just take the tab file for the .alg image and change the file name referenced, you'll get incorrect registration (smaller pixel size, but no interpolation). The solution: Using the MapImagery menu, choose Open ECW Image. Then choose "Open Local .ecw file" and "View Directly via ECW for MapInfo". This will create a tab file that has no supersampling. It will still need "ECW for MapInfo" to have been installed on the PC you want to display the image on. This is an installation option for MI Pro 6.5 Best Regards, Martin Higham Avantra Geosystems ph (61 3) 8504 0428 0425-730-428 fx (61 3) 9596 7997 www.avantra.com.au Thanks to Ryan, Tim and Brendan for their soltions as well. Cheers Dale Appleton Lorne ********************************************************************** This message and any files transmitted with it are intended only for the addressee. This message may contain confidential or privileged information. If you are not the addressee of this message you must not read, copy, distribute this information or take an action in reliance on it. If you have received this message in error you are requested to immediately contact the sender or Parks Victoria at [EMAIL PROTECTED] and delete the original and any copies of this message and any files transmitted with it. The views expressed in this message are those of the individual sender, except where the sender has the authority and specifically states them to be the views of Parks Victoria. Parks Victoria accepts no liability for any damage caused in the transmission, receipt or opening of this message and any files transmitted with it. ********************************************************************** --------------------------------------------------------------------- List hosting provided by Directions Magazine | www.directionsmag.com | To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Message number: 4547
