Re: [OSSIM] How to use ossimcore's interface

[Garrett P. <po...@cf...>]

Hello:

For a quick start I would look at the ossimSingleImageChain.  It has high level interfaces for creating a chain from an input image file.

This will kick start you in understanding the core library and the concept " Chain" processing.  Let us know if you have questions.   There are good header comments on the class.  Look in imaging/ossimSingleImagechain.h


Take care

Garrett


On Sep 3, 2011, at 9:38 PM, welkin zzp wrote:

> Hello,
> 
>     I want to be familiar with ossimcore's interface, so I wrote some 
> lines code as following to mosaic images,
> but there's a wrong, I don't know what the problem is ?
> 
> #include <ossim/init/ossimInit.h>
> #include <ossim/base/ossimException.h>
> #include <ossim/base/ossimFilename.h>
> #include <ossim/base/ossimRefPtr.h>
> #include <ossim/base/ossimKeywordlist.h>
> #include <ossim/base/ossimConnectableObject.h>
> 
> #include <ossim/imaging/ossimImageHandler.h>
> #include <ossim/imaging/ossimImageHandlerRegistry.h>
> #include <ossim/imaging/ossimFeatherMosaic.h>
> #include <ossim/imaging/ossimImageData.h>
> 
> #include <iostream>
> using namespace std;
> 
> int main(int argc, char *argv[])
> {
>     int result = 0;
> 
>     ossimInit::instance()->initialize(argc, argv);
> 
>     if (argc >= 4)
>     {
>         try
>         {
>             ossimConnectableObject::ConnectableObjectList conObjList;
>             ossimRefPtr<ossimImageHandler> ih;
>             ossimFilename file;
>             ossimKeywordlist key;
>             ossimRefPtr<ossimImageData> imgdata;
>             for (int i = 1; i< argc-1; i++ )
>             {
>                 file = argv[i];
>                 ossimRefPtr<ossimConnectableObject> ih = 
> ossimImageHandlerRegistry::instance()->open(file);
>                 conObjList.push_back(ih);
>             }
>             ossimRefPtr<ossimFeatherMosaic> im = new 
> ossimFeatherMosaic(conObjList);
>             imgdata = (im->getTile(im->getBoundingRect()));
>             imgdata->write(argv[argc-1]);
>         }
> 
>         catch (const ossimException& e)
>         {
>             ossimNotify(ossimNotifyLevel_WARN) << e.what() << std::endl;
>             result = 1;
>         }
>     }
>     return (result);
> }
> 
> Thanks.
> 
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