C++ FactoryResource::applyToDynamicObject方法代码示例

//.........这里部分代码省略.........
            unsuitableSignatures.push_back((*it)->getName());
            continue;
        }

        resampledData.push_back(resampledValues);
        resampledSignatures.push_back(*it);
    }

    if (resampledSignatures.empty())
    {
        std::string errMsg = "None of the signatures in the library cover the spectral range of the data.";
        if (mpProgress != NULL)
        {
            mpProgress->updateProgress(errMsg, 0, ERRORS);
            return false;
        }
    }
    if (unsuitableSignatures.empty() == false)
    {
        std::string warningMsg = "The following library signatures do not cover the spectral range of the data:\n";
        for (std::vector<std::string>::iterator it = unsuitableSignatures.begin();
                it != unsuitableSignatures.end(); ++it)
        {
            warningMsg += *it + "\n";
        }
        warningMsg += "These signatures will not be searched for in the data.";
        Service<DesktopServices>()->showMessageBox("SpectralLibraryManager", warningMsg);

        StepResource pStep("Spectral LibraryManager", "spectral", "64B6C87A-A6C3-4378-9B6E-221D89D8707B");
        pStep->finalize(Message::Unresolved, warningMsg);
    }

    std::string libName = "Resampled Spectral Library";

    // Try to get the resampled lib element in case session was restored. If NULL, create a new raster element with
    // num rows = num valid signatures, num cols = 1, num bands = pRaster num bands
    RasterElement* pLib = dynamic_cast<RasterElement*>(Service<ModelServices>()->getElement(libName,
                          TypeConverter::toString<RasterElement>(), pRaster));
    if (pLib != NULL)
    {
        // check that pLib has same number of sigs as SpectralLibraryManager
        RasterDataDescriptor* pLibDesc = dynamic_cast<RasterDataDescriptor*>(pLib->getDataDescriptor());
        VERIFY(pLibDesc != NULL);
        if (pLibDesc->getRowCount() != mSignatures.size())
        {
            mpProgress->updateProgress("An error occurred during session restore and some signatures were not restored."
                                       " Check the spectral library before using.", 0, ERRORS);
            Service<ModelServices>()->destroyElement(pLib);
            pLib = NULL;
        }
    }
    bool isNewElement(false);
    if (pLib == NULL)
    {
        pLib = RasterUtilities::createRasterElement(libName,
                static_cast<unsigned int>(resampledData.size()), 1, pDesc->getBandCount(), FLT8BYTES, BIP,
                true, const_cast<RasterElement*>(pRaster));
        isNewElement = true;
    }
    if (pLib == NULL)
    {
        mpProgress->updateProgress("Error occurred while trying to create the resampled spectral library", 0, ERRORS);
        return false;
    }

    RasterDataDescriptor* pLibDesc = dynamic_cast<RasterDataDescriptor*>(pLib->getDataDescriptor());
    VERIFY(pLibDesc != NULL);

    // copy resampled data into new element
    if (isNewElement)
    {
        FactoryResource<DataRequest> pRequest;
        pRequest->setWritable(true);
        pRequest->setRows(pLibDesc->getActiveRow(0), pLibDesc->getActiveRow(pLibDesc->getRowCount()-1), 1);
        DataAccessor acc = pLib->getDataAccessor(pRequest.release());
        for (std::vector<std::vector<double> >::iterator sit = resampledData.begin(); sit != resampledData.end(); ++sit)
        {
            VERIFY(acc->isValid());
            void* pData = acc->getColumn();
            memcpy(acc->getColumn(), &(sit->begin()[0]), pLibDesc->getBandCount() * sizeof(double));
            acc->nextRow();
        }

        // set wavelength info in resampled library
        pWavelengths->applyToDynamicObject(pLib->getMetadata());
        FactoryResource<Units> libUnits;
        libUnits->setUnitType(mLibraryUnitType);
        libUnits->setUnitName(StringUtilities::toDisplayString<UnitType>(mLibraryUnitType));
        pLibDesc->setUnits(libUnits.get());
    }

    pLib->attach(SIGNAL_NAME(Subject, Deleted), Slot(this, &SpectralLibraryManager::resampledElementDeleted));
    mLibraries[pRaster] = pLib;
    mResampledSignatures[pLib] = resampledSignatures;

    const_cast<RasterElement*>(pRaster)->attach(SIGNAL_NAME(Subject, Deleted),
            Slot(this, &SpectralLibraryManager::elementDeleted));

    return true;
}