From 4d5a5ddc5763460c7a1000c007be04512eb93b9e Mon Sep 17 00:00:00 2001
From: Julien Michel <julien.michel@orfeo-toolbox.org>
Date: Tue, 24 Mar 2009 09:43:56 +0100
Subject: [PATCH] TEST: Generating quicklook by hands because
ImageLayerGenerator computes the subsampling rate according to screen
resolution
---
Testing/Code/Visualization/CMakeLists.txt | 1 +
.../otbImageLayerRenderingModelSingleLayer.cxx | 13 ++++++++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/Testing/Code/Visualization/CMakeLists.txt b/Testing/Code/Visualization/CMakeLists.txt
index 7d341484f2..49ace5940e 100644
--- a/Testing/Code/Visualization/CMakeLists.txt
+++ b/Testing/Code/Visualization/CMakeLists.txt
@@ -181,6 +181,7 @@ ${INPUTDATA}/couleurs.tif
${TEMP}/vrTvImageLayerRenderingModelSingleLayerQuicklookOutput.png
${TEMP}/vrTvImageLayerRenderingModelSingleLayerExtractOutput.png
${TEMP}/vrTvImageLayerRenderingModelSingleLayerScaledExtractOutput.png
+10
)
#------------ otb::ImageLayerGenerator ------------
diff --git a/Testing/Code/Visualization/otbImageLayerRenderingModelSingleLayer.cxx b/Testing/Code/Visualization/otbImageLayerRenderingModelSingleLayer.cxx
index a5b3fa91c6..0c580c796a 100644
--- a/Testing/Code/Visualization/otbImageLayerRenderingModelSingleLayer.cxx
+++ b/Testing/Code/Visualization/otbImageLayerRenderingModelSingleLayer.cxx
@@ -41,6 +41,7 @@ int otbImageLayerRenderingModelSingleLayer( int argc, char * argv[] )
typedef otb::ImageLayerGenerator<LayerType> LayerGeneratorType;
typedef otb::ImageLayerRenderingModel<OutputImageType> ModelType;
typedef otb::ImageFileWriter<OutputImageType> WriterType;
+ typedef LayerGeneratorType::ResampleFilterType ResampleFilterType;
// Instantiation
ModelType::Pointer model = ModelType::New();
@@ -48,9 +49,19 @@ int otbImageLayerRenderingModelSingleLayer( int argc, char * argv[] )
// Reading input image
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(infname);
-
+
+ // Resampling (generator resampling depends on screen resolution, so
+ // we are generating quicklook outside of the generator)
+ ResampleFilterType::Pointer resampler = ResampleFilterType::New();
+ resampler->SetInput(reader->GetOutput());
+ resampler->SetShrinkFactor(atoi(argv[5]));
+ resampler->Update();
+
// Generate the layer
LayerGeneratorType::Pointer generator = LayerGeneratorType::New();
+ generator->GenerateQuicklookOff();
+ generator->SetSubsamplingRate(atoi(argv[5]));
+ generator->SetQuicklook(resampler->GetOutput());
generator->SetImage(reader->GetOutput());
generator->GenerateLayer();
--
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