Failure to read some GeoTiff variant (GM 13 & 14)

GeoloGIS

Hello,

Global Mapper v13 or v14 is unable to open GeoTiff files with 2 bands (8 bit palette + 8 bit alpha) when interleaved by band instead of pixel. The error message is: Unable to load overlay / Sorry, can not handle image / TIFFOverlay.cpp - 126.

For testing purposes, 4 small GeoTiff files illustrating the issue (670KB zip archive)

FYI, this flavour of Geotiff proves useful to store paletted imagery with transparency layer while achieving optimal deflate compression. These files were generated by GDAL 1.9 and open flawlessly in other applications e.g. PhotoShop CS6.

Thanks in advance for the support

global_mapper

Sure enough there wasn't support for that configuration, but I was able to add it quite easily. I have placed a new build at http://www.globalmapper.com/global_mapper14.zip with the latest changes for you to try. Simply download that file and extract the contents into your existing v14.xx installation folder to give it a try. If you are using the 64-bit v14 version there is a new build at http://www.globalmapper.com/global_mapper14_64bit.zip .

Let me know if I can be of further assistance.

Thanks,

Mike
Global Mapper Guru
gmsupport@bluemarblegeo.com
http://www.globalmapper.com

GeoloGIS

global_mapper wrote: »

Sure enough there wasn't support for that configuration, but I was able to add it quite easily.

Problem is now solved.
Wow, that was fast! - Thanks a lot!

9 tarot

Epic timing GeoloGIS, I had the same problem and this works perfect for me:

global_mapper wrote: »

Sure enough there wasn't support for that configuration, but I was able to add it quite easily. I have placed a new build at http://www.globalmapper.com/global_mapper14.zip with the latest changes for you to try. Simply download that file and extract the contents into your existing v14.xx installation folder to give it a try. If you are using the 64-bit v14 version there is a new build at http://www.globalmapper.com/global_mapper14_64bit.zip .

Let me know if I can be of further assistance.

Thanks,

Mike
Global Mapper Guru
gmsupport@bluemarblegeo.com
http://www.globalmapper.com