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C++ ossimRefPtr::setOutputBandList方法代码示例

本文整理汇总了C++中ossimRefPtr::setOutputBandList方法的典型用法代码示例。如果您正苦于以下问题:C++ ossimRefPtr::setOutputBandList方法的具体用法?C++ ossimRefPtr::setOutputBandList怎么用?C++ ossimRefPtr::setOutputBandList使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ossimRefPtr的用法示例。


在下文中一共展示了ossimRefPtr::setOutputBandList方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createHistogram

// Create histogram for entry:
void ossimImageUtil::createHistogram(ossimRefPtr<ossimImageHandler>& ih,
                                     ossim_uint32 entry,
                                     bool useEntryIndex)
{
   static const char M[] = "ossimImageUtil::createHistogram #2";
   if(traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG) << M << " entered...\n";
   }
   
   if ( ih.valid() )
   {
      if (useEntryIndex)
      {
         // Set entry before deriving file name.
         ih->setCurrentEntry(entry);
         ossimNotify(ossimNotifyLevel_NOTICE) << "entry number: "<< entry << std::endl;
      }

      ossimFilename outputFile =
         ih->getFilenameWithThisExtension(ossimString(".his"), useEntryIndex);

      // Only build if needed:
      if ( (outputFile.exists() == false) || rebuildHistogram() )
      {
         ossimNotify(ossimNotifyLevel_NOTICE)
            << "Computing histogram for file: " << ih->getFilename() << std::endl;

         // Check handler to see if it's filtering bands.
         std::vector<ossim_uint32> originalBandList(0);
         if ( ih->isBandSelector() )
         { 
            // Capture for finalize method.
            ih->getOutputBandList( originalBandList );
            
            // Set output list to input.
            ih->setOutputToInputBandList();
         }

         ossimRefPtr<ossimImageHistogramSource> histoSource = new ossimImageHistogramSource;
         ossimRefPtr<ossimHistogramWriter> writer = new ossimHistogramWriter;
         
         histoSource->setMaxNumberOfRLevels(1); // Currently hard coded...
         
#if 0 /* TODO tmp drb */
         if( !ossim::isnan(histoMin) )
         {
            histoSource->setMinValueOverride(histoMin);
         }
         
         if( !ossim::isnan(histoMax) )
         {
            histoSource->setMaxValueOverride(histoMax);
         }
         
         if(histoBins > 0)
         {
            histoSource->setNumberOfBinsOverride(histoBins);
         }
#endif
         
         if(traceDebug())
         {
            ossimNotify(ossimNotifyLevel_DEBUG)
               << "Histogram mode: " << getHistogramMode() << "\n";
         }
         
         // Connect histogram source to image handler.
         histoSource->setComputationMode( getHistogramMode() );
         histoSource->connectMyInputTo(0, ih.get() );
         histoSource->enableSource();
         
         // Connect writer to histogram source.
         writer->connectMyInputTo(0, histoSource.get());
         writer->setFilename(outputFile);
         theStdOutProgress.setFlushStreamFlag(true);
         writer->addListener(&theStdOutProgress);
         
         // Compute...
         writer->execute();
         
         writer=0;

         // Reset the band list.
         if ( ih->isBandSelector() && originalBandList.size() )
         {
            ih->setOutputBandList( originalBandList );
         }

      } // Matches: if ( (outputFile.exists() == false) || rebuildHistogram() )
      
   } // Matches: if ( ih.valid() )

   if(traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG) << M << " exited...\n";
   }

} // End: ossimImageUtil::createHistogram #2
开发者ID:Dukeke,项目名称:ossim,代码行数:100,代码来源:ossimImageUtil.cpp


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