570 lines
27 KiB
C++
570 lines
27 KiB
C++
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/*=============================================================================
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Copyright (C) 2012 Allied Vision Technologies. All Rights Reserved.
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Redistribution of this file, in original or modified form, without
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prior written consent of Allied Vision Technologies is prohibited.
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-------------------------------------------------------------------------------
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File: LookUpTable.cpp
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Description: The LookUpTable example will demonstrate how to use
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the look up table feature of the camera using VimbaCPP.
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-------------------------------------------------------------------------------
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF TITLE,
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NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=============================================================================*/
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#include <string>
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#include <fstream>
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#include <sstream>
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#include <iterator>
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#include <vector>
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#include <algorithm>
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#include "LookUpTable.h"
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#include "Csv.h"
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#include "Exception.h"
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#include "VimbaFeatures.h"
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#include "VimbaCPP/Include/VimbaCPP.h"
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namespace AVT {
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namespace VmbAPI {
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namespace Examples {
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namespace
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{ // toolset to handle network byte order, for production, use htons ntohs for int16
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static const union
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{
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VmbUint8_t bytes[4];
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VmbUint32_t v;
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} host_byte_order = {{0,1,2,3}};
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enum
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{
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byte_oder_little_endian = 0x03020100ul,
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byte_oder_big_endian = 0x01000302ul,
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};
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inline UcharVector ConvertToNetworkInt16( const UcharVector &d)
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{
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if (host_byte_order.v == byte_oder_little_endian)
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{
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UcharVector tmp( d );
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for( size_t i = 0 ;i < tmp.size(); i +=2)
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{
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VmbUint16_t *p = reinterpret_cast<VmbUint16_t*>( &tmp[i] );
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*p = ((*p>>8) & 0xff) | ((*p<<8) & 0xff00);
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}
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return tmp;
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}
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return d;
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}
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inline UcharVector ConvertFromNetworkInt16( const UcharVector &d)
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{
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return ConvertToNetworkInt16( d );
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}
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}
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bool LookUpTableCollection::HasLookUpTable(CameraPtr pCamera )
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{
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return VimbaFeature::HasFeature( pCamera, "LUTSelector");
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}
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LookUpTableCollection::LookUpTableCollection( CameraPtr pCamera )
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: m_pCamera( pCamera )
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{
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//Check parameters
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if( NULL == m_pCamera )
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{
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throw Exception( __FUNCTION__,"LookUpTableCollection failed camera pointer NULL.", VmbErrorBadParameter );
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}
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VmbInt64_t nCount = GetCount( );
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if( 0 == nCount )
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{
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throw Exception( __FUNCTION__,"LookUpTableCollection no entries.", VmbErrorNotFound );
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}
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// for each lookup table create a control
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for( int i = 0; i < nCount; i++ )
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{
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m_tables.push_back( LookUpTableControl( m_pCamera, i ));
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}
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}
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//Get look up table count
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VmbInt64_t LookUpTableCollection::GetCount( )
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{
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// number of LUTs is the number of enum values fo the "LUTSelector" Feature
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VimbaFeatureEnum LutSelector( m_pCamera, "LUTSelector" );
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return LutSelector.ValueCount();
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}
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//Get look up table control
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LookUpTableControl LookUpTableCollection::GetControl( VmbInt64_t nIndex )
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{
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VimbaFeatureEnum LutSelector( m_pCamera, "LUTSelector" ); //< get enum feature for supported LUTs
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StringVector Values = LutSelector.GetValues(); //< get list of supported LUTs
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if( static_cast<size_t>(nIndex) >= Values.size() ) //< test index for out of range
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{
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throw Exception( __FUNCTION__,"selected index out of range",VmbErrorBadParameter );
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}
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std::string SelectedValue = Values[ static_cast<size_t>( nIndex ) ];
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if( !LutSelector.IsAvailable( SelectedValue ) )
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{
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throw Exception(__FUNCTION__,"selected LUT is not available", VmbErrorBadParameter );
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}
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LutSelector.SetStringValue( SelectedValue ); //< activate the LUT at nIndex
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return m_tables[ static_cast<size_t>( nIndex ) ]; //< get stored LUT control
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}
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//Get look up table active index
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VmbInt64_t LookUpTableCollection::GetActiveIndex( )
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{
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VimbaFeatureEnum LutSelector( m_pCamera, "LUTSelector" ); //< get enum feture for supported luts
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const StringVector SupportedLuts = LutSelector.GetValues(); //< get list of supported LUTs
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std::string CurrentLut = LutSelector.GetStringValue( ); //< get the currently selected LUT
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StringVector::const_iterator find_pos = std::find( SupportedLuts.begin(), SupportedLuts.end(), CurrentLut );//< find current vallue in list
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if( SupportedLuts.end() == find_pos )
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{
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throw Exception( __FUNCTION__,"could not find current selected lut index",VmbErrorNotFound );
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}
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return std::distance( SupportedLuts.begin(), find_pos );
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}
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LookUpTableControl::LookUpTableControl( CameraPtr pCamera, VmbInt64_t nIndex )
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: m_pCamera( pCamera )
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, m_nIndex( nIndex )
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{
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//Check parameters
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if( NULL == m_pCamera )
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{
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throw Exception( __FUNCTION__,"LookUpTableControl failed.", VmbErrorBadParameter );
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}
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}
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//Enable look up table
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void LookUpTableControl::Enable( VmbBool_t bEnable )
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{
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VimbaFeatureBool LutEnable( m_pCamera, "LUTEnable" ); //< create bool feature for lut enable
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LutEnable( bEnable ); //< set state to feature
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}
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//Is look up table enabled
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VmbBool_t LookUpTableControl::IsEnabled( ) const
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{
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VimbaFeatureBool LutEnable( m_pCamera,"LUTEnable" ); //< create bool feature for Lut enable
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return LutEnable(); //< return current value
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}
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//Get look up table index
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VmbInt64_t LookUpTableControl::GetIndex( ) const
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{
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VimbaFeatureInt LutIndex( m_pCamera, "LUTIndex" ); //< get feature for LUT index
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return LutIndex(); // return current index
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}
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//Get value count
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VmbInt64_t LookUpTableControl::GetValueCount( ) const
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{
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VimbaFeatureInt LutSize ( m_pCamera,"LUTSize"); //< get feature for LUT size in bytes
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VimbaFeatureInt LutBitDepthOut ( m_pCamera, "LUTBitDepthOut"); //< get feature for output bits per lut values
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VmbInt64_t nLUTBytePerValue = LutBitDepthOut() > 8 ? 2 : 1; //< calculate bytes used its either 2 bytes if larger than 8bits or 1 byte
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return LutSize() / nLUTBytePerValue; //< lut are elements without padding consecutive in memory
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}
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//Get look up table value
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VmbInt64_t LookUpTableControl::GetValue( ) const
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{
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VimbaFeatureInt LutValue( m_pCamera, "LUTValue" ); //< get feature for lUT element value this depends on LUTIndex
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return LutValue(); //< return current value
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}
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//Set look up table value
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void LookUpTableControl::SetValue( VmbInt64_t nValue )
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{
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VimbaFeatureInt LutValue( m_pCamera,"LUTValue" ); //< get feature for LUT element value this depends on LUTIndex
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LutValue( nValue ); //< set new value
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}
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//Get bit depth in
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VmbInt64_t LookUpTableControl::GetBitDepthIn( ) const
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{
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VimbaFeatureInt LutBitDepthIn( m_pCamera, "LUTBitDepthIn" ); //< get feature for input bit depth of LUT
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return LutBitDepthIn(); //< return bit depth
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}
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//Get bit depth out
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VmbInt64_t LookUpTableControl::GetBitDepthOut( ) const
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{
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VimbaFeatureInt LutBitDepthOut( m_pCamera,"LUTBitDepthOut" ); //< get feature for output bit depth of LUT
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return LutBitDepthOut(); // return bit dept
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}
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//Download look up table
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void LookUpTableControl::Download()
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{
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// if any kind of LUT is implemented we should find the LUTSelector feature
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if( VmbBoolTrue != VimbaFeature::HasFeature( m_pCamera,"LUTSelector" ) )
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{
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throw Exception( __FUNCTION__,"no LUT feature implemented",VmbErrorNotFound );
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}
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// try reading LUT with FileAccess
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if( VmbBoolTrue == VimbaFeature::HasFeature( m_pCamera, "FileSelector" ) )
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{
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VimbaFeatureEnum LutSelector ( m_pCamera, "LUTSelector"); //< selector feature for lookup table
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VimbaFeatureEnum FileSelector( m_pCamera, "FileSelector"); //< file selector
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VimbaFeatureEnum FileOpenMode( m_pCamera, "FileOpenMode"); //< selector for file open mode
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FileSelector.SetStringValue ( std::string("LUT") + LutSelector.GetStringValue()); //< get the lookup table name and set it to file selector
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if( VmbBoolTrue != FileOpenMode.IsAvailable( "Read" ) ) //< test if LUT feature is readable, Firewire does not support LUT read
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{
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throw Exception( __FUNCTION__,"camera does not support LUT download to host computer", VmbErrorNotSupported );
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}
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FileOpenMode.SetStringValue( "Read" ); //< set the open mode to read
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VimbaFeatureInt LutSize( m_pCamera,"LUTSizeBytes" ); //< integer feature for bytes of lookup table
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m_data.resize( static_cast<size_t>( LutSize() ) ); //< get the bytes
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VimbaFeatureEnum FileOperationSelector ( m_pCamera, "FileOperationSelector"); //< file operation selector to selector the file command
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VimbaFeatureCommand FileOperationExecute ( m_pCamera, "FileOperationExecute"); //< file operation command executer
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VimbaFeatureRaw FileAccessBuffer ( m_pCamera, "FileAccessBuffer"); //< raw data feature to access file buffer
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VimbaFeatureInt FileAccessOffset ( m_pCamera, "FileAccessOffset"); //< integer feature to get the data offset into the buffer
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VimbaFeatureInt FileAccessLength ( m_pCamera, "FileAccessLength"); //< integer feature for length of file access
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VimbaFeatureEnum FileOperationStatus ( m_pCamera, "FileOperationStatus"); //< enumeration value for state of file operation
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VimbaFeatureInt FileOperationResult ( m_pCamera, "FileOperationResult"); //< integer for file operation result
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VimbaFeatureEnum FileStatus ( m_pCamera, "FileStatus"); //< file state feature
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VimbaFeatureInt FileSize ( m_pCamera, "FileSize"); //< file size feature
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FileOperationSelector.SetStringValue( "Open" ); //< set open command for file access
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FileOperationExecute.Run(); //< execute command
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//File size
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VmbInt64_t nFileSize = FileSize( ); //< get lut file size
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FileOperationSelector.SetStringValue( "Read" ); //< set file operation to read
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VmbInt64_t nFileAccessOffset = 0; //< set start offset
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VmbInt64_t nFileAccessLength = min( LutSize(), FileAccessLength.Max() ); //< determine if we can read the lut in one go, or are limited by max access length
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UcharVector data( static_cast<size_t>( nFileAccessLength ) ); //< prepare the temporary data buffer
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do
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{
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FileAccessLength( nFileAccessLength ); //< set the amount of data we want to read
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FileOperationExecute.Run(); //< commit the read request
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if( FileOperationStatus.GetStringValue( ) != "Success" ) //< test if read failed
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{
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throw Exception( __FUNCTION__,"reading LUT failed", VmbErrorOther );
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}
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FileAccessBuffer.GetBuffer( data ); //< if read succeeded we can read the raw buffer
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data = ConvertFromNetworkInt16( data );
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copy( data.begin(), data.end(), m_data.begin() + ( size_t )nFileAccessOffset ); //< copy it from temp storage to internal data buffer
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nFileAccessOffset = FileAccessOffset( ); //< get the new file offset
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nFileAccessLength = min( nFileSize - nFileAccessOffset, FileAccessLength.Max() ); //< get the next file length
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}
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while( nFileSize != nFileAccessOffset );
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//Select close as file operation
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FileOperationSelector.SetStringValue( "Close" ); //< set file operation to close
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FileOperationExecute.Run(); //< commit the close operation
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if( FileOperationStatus.GetStringValue() != "Success" ) //< test if close succeeded
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{
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throw Exception( __FUNCTION__,"lut file operation failed", VmbErrorOther );
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}
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}
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// try reading LUT address for GigE (indicator for direct memory access)
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else if( VmbBoolTrue == VimbaFeature::HasFeature( m_pCamera, "LUTAddress" ) )
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{
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VimbaFeatureInt LutSize( m_pCamera,"LUTSizeBytes" ); //< get feature for lut byte size
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m_data.resize( static_cast<size_t>( LutSize() ) ); //< prepare storage for LUT data
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VimbaFeatureInt LutAddress (m_pCamera, "LUTAddress"); //< try to get the LUT address feature
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VmbInt64_t nLUTAddress = LutAddress(); //< store address
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VmbUint32_t nCompletedReads = 0;
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VmbErrorType err = m_pCamera->ReadMemory( nLUTAddress, m_data, nCompletedReads );
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if( VmbErrorSuccess != err )
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{
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throw Exception( __FUNCTION__,": could not read memory from camera",err );
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}
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m_data = ConvertFromNetworkInt16( m_data );
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}
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// if non of the buffer read features are available try to read it value by value
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else
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{
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VimbaFeatureInt LUTIndex( m_pCamera, "LUTIndex" ); //< get the LUTIndex feature to control the index of the current value
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VimbaFeatureInt LUTValue( m_pCamera, "LUTValue" ); //< get the LUTValue feature to access the current value
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VimbaFeatureInt LutSize ( m_pCamera, "LUTSizeBytes" ); //< get the LUTSizeBytes feature to get LUT size info
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m_data.resize( static_cast<size_t>( LutSize() ) ); //< resize storage for LUT data
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VmbInt64_t nLUTBitDepthOut = GetBitDepthOut( ); //< get bits per LUT value needed
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//Evaluate number of LUT entries
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VmbInt64_t nLUTBytePerValue = ( nLUTBitDepthOut > 8 ) ? 2 : 1; //< determine what size the LUT values occupy
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VmbInt64_t nLUTEntries = LutSize() / nLUTBytePerValue; //< entries are stored consecutive without padding
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//Get LUT values by iteration over indexes
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int iter = 0;
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for( VmbInt64_t i = 0; i < nLUTEntries ; i++ )
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{
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LUTIndex( i ); //< set index
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VmbInt64_t nValue = LUTValue( ); //< get current value
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switch( nLUTBytePerValue )
|
||
|
|
{
|
||
|
|
case 1:
|
||
|
|
m_data[iter++] = static_cast<VmbUint8_t>( nValue );
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
{
|
||
|
|
VmbUint16_t * p = (VmbUint16_t*)( &m_data[iter] );
|
||
|
|
*p = static_cast<VmbUint16_t>( nValue );
|
||
|
|
iter +=2;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Upload look up table
|
||
|
|
void LookUpTableControl::Upload()
|
||
|
|
{
|
||
|
|
//Look up table raw data empty
|
||
|
|
if( m_data.empty() )
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,": lut data vector is empty", VmbErrorOther );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( VmbBoolTrue == VimbaFeature::HasFeature( m_pCamera, "FileSelector" ) )
|
||
|
|
{
|
||
|
|
|
||
|
|
//Evaluate size of LUT
|
||
|
|
VimbaFeatureInt LUTSize ( m_pCamera, "LUTSizeBytes");
|
||
|
|
//file access control
|
||
|
|
VimbaFeatureEnum FileOperationSelector ( m_pCamera, "FileOperationSelector");
|
||
|
|
VimbaFeatureCommand FileOperationExecute ( m_pCamera, "FileOperationExecute" );
|
||
|
|
VimbaFeatureEnum FileOpenMode ( m_pCamera, "FileOpenMode" );
|
||
|
|
VimbaFeatureRaw FileAccessBuffer ( m_pCamera, "FileAccessBuffer" );
|
||
|
|
VimbaFeatureInt FileAccessOffset ( m_pCamera, "FileAccessOffset" );
|
||
|
|
VimbaFeatureInt FileAccessLength ( m_pCamera, "FileAccessLength" );
|
||
|
|
VimbaFeatureEnum FileOperationStatus ( m_pCamera, "FileOperationStatus" );
|
||
|
|
|
||
|
|
VimbaFeatureInt FileOperationResult ( m_pCamera, "FileOperationResult" );
|
||
|
|
VimbaFeatureEnum FileStatus ( m_pCamera, "FileStatus" );
|
||
|
|
VimbaFeatureInt FileSize ( m_pCamera, "FileSize" );
|
||
|
|
VimbaFeatureEnum FileSelector ( m_pCamera, "FileSelector" );
|
||
|
|
VimbaFeatureEnum LUTSelector ( m_pCamera, "LUTSelector" );
|
||
|
|
|
||
|
|
FileSelector.SetStringValue( std::string( "LUT" )+LUTSelector.GetStringValue() );
|
||
|
|
if( FileOpenMode.IsAvailable( "Write" ) )
|
||
|
|
{
|
||
|
|
FileOpenMode.SetStringValue( "Write" );
|
||
|
|
FileOperationSelector.SetStringValue( "Open" );
|
||
|
|
FileOperationExecute.Run();
|
||
|
|
VmbInt64_t nFileSize = FileSize( );
|
||
|
|
if( m_data.size() != nFileSize )
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"LUT to upload does not seam to have the correct size for this camera",VmbErrorBadParameter );
|
||
|
|
}
|
||
|
|
//File access length
|
||
|
|
VmbInt64_t nMaxFileAccessLength = FileAccessLength.Max( );
|
||
|
|
FileOperationSelector.SetStringValue( "Write" );
|
||
|
|
|
||
|
|
VmbInt64_t nFileAccessOffset = 0;
|
||
|
|
VmbInt64_t nFileAccessLength = min( nFileSize, nMaxFileAccessLength );
|
||
|
|
UcharVector data( (size_t)nFileAccessLength );
|
||
|
|
do
|
||
|
|
{
|
||
|
|
//Set FileAccessLength
|
||
|
|
FileAccessLength( nFileAccessLength );
|
||
|
|
//Fill buffer
|
||
|
|
copy( &m_data[(size_t)nFileAccessOffset ], &m_data[(size_t)( nFileAccessLength+nFileAccessOffset-1 ) ], data.begin() );
|
||
|
|
data = ConvertToNetworkInt16( data );
|
||
|
|
FileAccessBuffer( data );
|
||
|
|
//Execute file operation
|
||
|
|
FileOperationExecute.Run( );
|
||
|
|
//Get file operation status
|
||
|
|
if( FileOperationStatus.GetStringValue() != "Success" )
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"writing data failed",VmbErrorOther );
|
||
|
|
}
|
||
|
|
nFileAccessOffset =FileAccessOffset();
|
||
|
|
|
||
|
|
nFileAccessLength = min( nFileSize - nFileAccessOffset, nMaxFileAccessLength );
|
||
|
|
}
|
||
|
|
while( nFileSize != nFileAccessOffset );
|
||
|
|
FileOperationSelector.SetStringValue( "Close" );
|
||
|
|
FileOperationExecute.Run();
|
||
|
|
//Get file operation status
|
||
|
|
if( FileOperationStatus.GetStringValue() != "Success" )
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"could not close file", VmbErrorOther );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if( VmbBoolTrue == VimbaFeature::HasFeature( m_pCamera,"LUTIndex" ) )
|
||
|
|
{
|
||
|
|
//Get LUT address for GigE (indicator for direct memory access)
|
||
|
|
VimbaFeatureInt LUTAddress( m_pCamera, "LUTAddress" ); //< get feature for lut address
|
||
|
|
VmbUint32_t nCompletedWrites = 0;
|
||
|
|
UcharVector network_data( ConvertToNetworkInt16( m_data ) ); //< expect our camera to be big endian device, so if we are intel little endian we have to swap
|
||
|
|
m_pCamera->WriteMemory( LUTAddress() , network_data, nCompletedWrites ); //< write data direct to camera
|
||
|
|
}
|
||
|
|
//Camera doesn't support direct memory access for LUT
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//Used LUT index and value as indicator for GigE
|
||
|
|
VimbaFeatureInt LUTIndex( m_pCamera, "LUTIndex" ); //< get lUT index feature to set current index
|
||
|
|
VimbaFeatureInt LUTValue( m_pCamera, "LUTValue" ); //< get LUT value feature to set current value
|
||
|
|
VimbaFeatureInt LUTSize ( m_pCamera, "LUTSizeBytes"); //< get feature for size of LUT in bytes
|
||
|
|
if( m_data.size() != LUTSize() ) //< compare data size to LUT size
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"data size is not equal lut size, they are incompatible",VmbErrorBadParameter );
|
||
|
|
}
|
||
|
|
//Evaluate number of LUT entries
|
||
|
|
VmbInt64_t nLUTBytePerValue = ( GetBitDepthOut() > 8 ) ? 2 : 1; //< determine if LUT values take one or two bytes
|
||
|
|
VmbInt64_t nLUTEntries = LUTSize() / nLUTBytePerValue; //< calculate lement count, LUT values are unpadded and consecutive in memory
|
||
|
|
//Set LUT values by iteration over indexes
|
||
|
|
int iter( 0 );
|
||
|
|
VmbInt64_t nValue( 0 );
|
||
|
|
for( VmbInt64_t i = 0; i < nLUTEntries ; i++ )
|
||
|
|
{
|
||
|
|
LUTIndex( i ); //< set current index
|
||
|
|
switch( nLUTBytePerValue )
|
||
|
|
{
|
||
|
|
case 1:
|
||
|
|
nValue = m_data[iter++]; //< copy 8bit value
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 2:
|
||
|
|
{
|
||
|
|
VmbUint16_t* p = (VmbUint16_t*)(&m_data[iter]); //< interpret data as host byte order uint 16
|
||
|
|
nValue = *p;
|
||
|
|
iter +=2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
LUTValue( nValue ); //< write data to camera
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Load look up table from Csv
|
||
|
|
void LookUpTableControl::LoadFromCsv( const std::string &FileName, int nIndex )
|
||
|
|
{
|
||
|
|
|
||
|
|
//Evaluate size of LUT
|
||
|
|
VmbInt64_t nLUTBitDepthOut = GetBitDepthOut( ); //< get output bit depth of LUT
|
||
|
|
VmbInt64_t nLUTBytePerValue = nLUTBitDepthOut > 8 ? 2 : 1; //< determine if LUT values take one or two byte
|
||
|
|
// Load LUT from CSV
|
||
|
|
CsvLoad load( FileName ); //< import the LUT from CSV file
|
||
|
|
std::vector<std::string> row;
|
||
|
|
while( load.Row( row ) ) //< load rows until none left
|
||
|
|
{
|
||
|
|
if( row.size() <= ( size_t )nIndex ) //< test if index in range
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"index for the csv file is out of bounds",VmbErrorBadParameter );
|
||
|
|
}
|
||
|
|
|
||
|
|
int nData; //< coonvert string to int
|
||
|
|
std::stringstream ss( row[nIndex] );
|
||
|
|
ss >> nData;
|
||
|
|
|
||
|
|
char data[2]; //< pack data for storage
|
||
|
|
if( 2 == nLUTBytePerValue )
|
||
|
|
{
|
||
|
|
VmbUint16_t *p = ( VmbUint16_t* )( data );
|
||
|
|
*p = static_cast<VmbUint16_t>( nData );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
data[0] = static_cast<VmbUint8_t>( nData&0xFF );
|
||
|
|
}
|
||
|
|
|
||
|
|
copy( data, data + nLUTBytePerValue, std::back_inserter( m_data ) ); //< append data to internal storage
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Save look up table to CSV
|
||
|
|
void LookUpTableControl::SaveToCsv( const std::string &FileName )
|
||
|
|
{
|
||
|
|
|
||
|
|
//Raw data empty
|
||
|
|
if( m_data.empty() )
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"no data to write to csv file", VmbErrorOther );
|
||
|
|
}
|
||
|
|
|
||
|
|
//Evaluate size of LUT
|
||
|
|
VimbaFeatureInt LUTSize( m_pCamera, "LUTSizeBytes" ); //< get feature for LUT size in bytes
|
||
|
|
|
||
|
|
VmbInt64_t nLUTBitDepthOut = GetBitDepthOut( ); //< get output bit depth of LUT
|
||
|
|
VmbInt64_t nLUTBytePerValue = nLUTBitDepthOut > 8 ? 2 : 1; //< determine if LUT values take one or two bytes
|
||
|
|
VmbInt64_t nLUTEntries = LUTSize()/nLUTBytePerValue; //< calculate LUT element count, LUT values are unpadded and consecutive
|
||
|
|
if( m_data.size() != LUTSize() ) //< if lut size and data size miss match they are not compatible
|
||
|
|
{
|
||
|
|
throw Exception( __FUNCTION__,"data does not equal the current cameras LUT",VmbErrorBadParameter );
|
||
|
|
}
|
||
|
|
// Save LUT data to CSV
|
||
|
|
|
||
|
|
CsvSave save( FileName ); //< create CSV file
|
||
|
|
{
|
||
|
|
for( int i = 0; i < nLUTEntries; i++ ) //< for each LUT value
|
||
|
|
{
|
||
|
|
int data ; //< unpack data to int
|
||
|
|
if( 2 == nLUTBytePerValue )
|
||
|
|
{
|
||
|
|
data = *( ( VmbUint16_t* )( &m_data[i*2] ) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
data = m_data[i];
|
||
|
|
}
|
||
|
|
stringstream ss; //< stream int to string
|
||
|
|
ss << data;
|
||
|
|
save.Row( ss.str() ); //< write a csv row
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Load look up table from flash
|
||
|
|
void LookUpTableControl::LoadFromFlash()
|
||
|
|
{
|
||
|
|
VimbaFeatureCommand LUTLoad = CreateOneOf<VimbaFeatureCommand>( m_pCamera, "LUTLoad", "LUTLoadAll" ); // there are two possible names for this feature
|
||
|
|
LUTLoad.Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
//Save look up table to flash
|
||
|
|
void LookUpTableControl::SaveToFlash()
|
||
|
|
{
|
||
|
|
VimbaFeatureCommand LUTSave = CreateOneOf<VimbaFeatureCommand>( m_pCamera, "LUTSave", "LUTSaveAll" ); //< there are two possible names for this feature
|
||
|
|
LUTSave.Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
}}} // namespace AVT::VmbAPI::Examples
|
||
|
|
|