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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "otbVectorImage.h"
#include "otbWrapperApplicationRegistry.h"
#include "otbWrapperTypes.h"
#include <string>
typedef otb::VectorImage<unsigned char> VectorImageType;
typedef VectorImageType::PixelType PixelType;
/* This function is creating and filling a vector image */
VectorImageType::Pointer create_vector_image(int pxl_s, int nb_comp, unsigned char value)
{
VectorImageType::SizeType size;
size.Fill(pxl_s);
VectorImageType::IndexType index;
index.Fill(0);
VectorImageType::RegionType region;
region.SetSize(size);
region.SetIndex(index);
VectorImageType::Pointer image = VectorImageType::New();
image->SetLargestPossibleRegion(region);
image->SetBufferedRegion(region);
image->SetRequestedRegion(region);
image->SetNumberOfComponentsPerPixel(nb_comp);
image->Allocate();
PixelType val(nb_comp);
val.Fill(value);
image->FillBuffer(val);
return image;
}
#define dyn_cast(im_base, vect_im) \
{ \
vect_im = dynamic_cast<otb::VectorImage<float>*>(im_base); \
if (!vect_im) \
{ \
std::cout << "Not the right conversion, cannot retrieve the output" << std::endl; \
return EXIT_FAILURE; \
} \
}
int main(int, char* argv[])
{
std::cout << "Begin bandMathX Test" << std::endl;
int return_val = 0;
auto img1 = create_vector_image(5, 2, 1);
auto img2 = create_vector_image(5, 1, 2);
VectorImageType::IndexType index;
index.Fill(3); // Center of the images
std::cout << "Create application" << std::endl;
otb::Wrapper::ApplicationRegistry::SetApplicationPath(argv[1]);
auto app = otb::Wrapper::ApplicationRegistry::CreateApplication("BandMathX");
app->AddImageToParameterInputImageList("il", img1);
app->UpdateParameters();
app->AddImageToParameterInputImageList("il", img2);
app->UpdateParameters();
std::cout << "Inputs are set" << std::endl;
// Case one: only expression
app->SetParameterString("exp", "im1b1+im2b1");
app->UpdateParameters();
app->SetParameterOutputImagePixelType("out", otb::Wrapper::ImagePixelType::ImagePixelType_uint8);
std::cout << "Case one: parameter exp is set" << std::endl;
app->Execute();
auto output = app->GetParameterImageBase("out");
output->Update();
float im_val = 0;
// We need to be careful as we are taking the direct output of the underlying
// filter in the application
otb::VectorImage<float>* output_int = nullptr;
dyn_cast(output, output_int) im_val = output_int->GetPixel(index).GetElement(0);
if (im_val != 3)
{
std::cout << "Wrong value in test, was expecting 3, got " << im_val << std::endl;
return_val++;
}
else
{
std::cout << "Case one passed" << std::endl;
}
// Case two: expression and context
app->SetParameterString("exp", "im1b1+val-im2b1");
app->UpdateParameters();
std::cout << "Case two: use context to define a constant" << std::endl;
auto desc = app->GetParameterDescription("exp");
if (desc.find("Following variables not allowed : val") == std::string::npos)
{
std::cout << "Cannot find usual value in the parameter description." << std::endl;
std::cout << "The test was looking for \"Following variables not allowed : val\""
<< " in the parameter description and got \"" << desc << "\" instead." << std::endl;
return_val++;
}
app->SetParameterString("incontext", argv[2]);
// val is set in the context to 1
app->UpdateParameters();
desc = app->GetParameterDescription("exp");
if (desc.find("Valid expression") == std::string::npos)
{
std::cout << "Cannot find usual value in the parameter description." << std::endl;
std::cout << "The test was looking for \"Valid expression\""
<< " in the parameter description and got \"" << desc << "\" instead." << std::endl;
return_val++;
}
app->Execute();
output = app->GetParameterImageBase("out");
output->Update();
// We need to be careful as we are taking the direct output of the underlying
// filter in the application
dyn_cast(output, output_int) im_val = output_int->GetPixel(index).GetElement(0);
if (im_val != 0)
{
std::cout << "Wrong value in test, was expecting 0, got " << im_val << std::endl;
return_val++;
}
else
{
std::cout << "Case two passed" << std::endl;
}
// Case three: no expression and context
app->SetParameterString("exp", "");
app->UpdateParameters();
std::cout << "Case three: no parameter exp" << std::endl;
auto exp = app->GetParameterString("exp");
if (exp.find("im1b1 + 2*val + im2b1") == std::string::npos)
{
std::cout << "The expression value is not set correctly." << std::endl;
std::cout << "The test was looking for \"im1b1 + 2*val + im2b1\""
<< " in the parameter value and got \"" << exp << "\" instead." << std::endl;
return_val++;
}
app->Execute();
output = app->GetParameterImageBase("out");
output->Update();
// We need to be careful as we are taking the direct output of the underlying
// filter in the application
dyn_cast(output, output_int) im_val = output_int->GetPixel(index).GetElement(0);
if (im_val != 5)
{
std::cout << "Wrong value in test, was expecting 5, got " << im_val << std::endl;
return_val++;
}
else
{
std::cout << "Case three passed" << std::endl;
}
return return_val;
}
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