Re: [gdal-dev] gdal_merge gdal-dev Digest, Vol 118, Issue 59

2014-03-27 Thread ridgewang
Hi, I need to merge two images and want get a smooth blending effect in the overlap region of the two images. I have not get a successful result by trying gdal_merge.py. Using the gdalwarp,I just got a result that one image replaces the other within the overlay region and a sharpen seamline

Re: [gdal-dev] gdal-dev Digest, Vol 118, Issue 58

2014-03-26 Thread ridgewang
Hi, I have 2 suggestions: 1. supply an option that can build the gdal using the static c++ runtime library, so we can use it not depends on the msvcr80.dll and msvcp80.dll. 2. provide a gdal_merge.exe utility program with the same function as gdal_merge.py. here are the reasons I raise it:

Re: [gdal-dev] gdal_merge.py can not work

2014-03-10 Thread ridgewang
dge, > > How did you install GDAL? > This usually happens when python cannot find the gdal libraries. Setting > PYTHONPATH env variable may help. > > > On Mon, Mar 10, 2014 at 10:17 AM, ridgewang wrote: > Hi, > I want to use gdal_merge.py to merge two image files. But i

[gdal-dev] gdal_merge.py can not work

2014-03-09 Thread ridgewang
Hi, I want to use gdal_merge.py to merge two image files. But it reports cannot load _gdal library and %1 is not a valid win32 module. Here the %1 means the _gdal, maybe. In python CUI, I run 'import osgeo.gdal' or 'import gdal' command, it reports the same error information. I u

Re: [gdal-dev] Fwd: Can not open bigtiff file using gdal1.10 API saved by photoshop cs6

2014-03-04 Thread ridgewang
thanks. I download the r26999 branch and it works good now. And I am puzzled what does the stripsize means. the tiff file i create by gdal is tiled with blocksize 256x256, and the blocksize will be changed to imagewidthx1 if do some image editing and saved by photoshop. Does the stripsize means bl

Re: [gdal-dev] Fwd: Can not open bigtiff file using gdal1.10 API saved by photoshop cs6

2014-02-28 Thread ridgewang
isual studio 2005 32bit. and using the internal libtiff version >> of gdal. >> >> >> On Fri, Feb 28, 2014 at 9:26 PM, Even Rouault >> >> wrote: >>> Selon ridgewang : >>>> Ps, sometimes it creates bigtiff file without any error reports by gda

Re: [gdal-dev] Can not open bigtiff file using gdal1.10 API saved by photoshop cs6

2014-02-27 Thread ridgewang
Ps, sometimes it creates bigtiff file without any error reports by gdal 1.10 api, but can not open the tiff file by gdal api and reports zero stripsize. anyway, the photoshop cs6 can open the tiff file correctly. for tips that the file is created and save in a usb mobile harddisk. I wonder why the

[gdal-dev] Can not open bigtiff file using gdal1.10 API saved by photoshop cs6

2014-02-25 Thread ridgewang
Hi, I have created a bigtiff file with over 3GB filesize using gdal 1.10 API , then I do some simple edition and save the result tiff image using photoshop cs6. Now I cannot open the result tiff file saved by ps cs 6 using gdal api, it reports that interger overflow and cannot process zero str