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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// .NAME Test of vtkNetCDFCAMReader
// .SECTION Description
// Tests the vtkNetCDFCAMReader.
#include "vtkNetCDFCFWriter.h"
#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkDataSetSurfaceFilter.h"
#include "vtkGeometryFilter.h"
#include "vtkImageData.h"
#include "vtkLookupTable.h"
#include "vtkNetCDFCFReader.h"
#include "vtkNew.h"
#include "vtkPointDataToCellData.h"
#include "vtkPolyDataMapper.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkTesting.h"
#include "vtkUniformGrid.h"
#include "vtkXMLImageDataReader.h"
int TestNetCDFCFWriter(int argc, char* argv[])
{
vtkNew<vtkTesting> testHelper;
testHelper->AddArguments(argc, argv);
if (!testHelper->IsFlagSpecified("-D"))
{
std::cerr << "Error: -D /path/to/data was not specified.";
return EXIT_FAILURE;
}
if (!testHelper->IsFlagSpecified("-T"))
{
std::cerr << "Error: -T /path/to/temp_directory was not specified.";
return EXIT_FAILURE;
}
std::string dataRoot = testHelper->GetDataRoot();
std::string tempDirectory = testHelper->GetTempDirectory();
vtkNew<vtkXMLImageDataReader> reader;
reader->SetFileName((dataRoot + "/Data/okanagan.vti").c_str());
vtkNew<vtkNetCDFCFWriter> writer;
writer->SetFileName((tempDirectory + "/okanagan.nc").c_str());
writer->SetInputConnection(reader->GetOutputPort());
writer->AddGridMappingAttribute("grid_mapping_name", "lambert_conformal_conic");
writer->AddGridMappingAttribute("standard_parallel", 49);
writer->AddGridMappingAttribute("longitude_of_central_meridian", -95);
writer->AddGridMappingAttribute("latitude_of_projection_origin", 49);
writer->AddGridMappingAttribute("crs_wkt",
"PROJCS[\"NAD_1983_Canada_Atlas_Lambert\",GEOGCS[\"GCS_North_American_1983\",DATUM[\"D_North_"
"American_1983\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],"
"UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER["
"\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-95.0]"
",PARAMETER[\"Standard_Parallel_1\",49.0],PARAMETER[\"Standard_Parallel_2\",77.0],PARAMETER["
"\"Latitude_Of_Origin\",49.0],UNIT[\"Meter\",1.0]]");
writer->SetFillValue(-9999);
writer->SetAttributeType(vtkDataObject::POINT);
writer->FillBlankedAttributesOn();
writer->Write();
vtkNew<vtkNetCDFCFReader> netcdfReader;
netcdfReader->SetFileName((tempDirectory + "/okanagan.nc").c_str());
netcdfReader->SphericalCoordinatesOff();
netcdfReader->SetDimensions("(z, y, x)");
netcdfReader->Update();
vtkImageData* data = vtkImageData::SafeDownCast(netcdfReader->GetOutput());
vtkNew<vtkUniformGrid> newData;
newData->ShallowCopy(data);
vtkNew<vtkDataSetSurfaceFilter> geometryFilter;
// BUG 10/26/21: vtkGeometryFilter produces all values equal with 113
// vtkNew<vtkGeometryFilter> geometryFilter;
geometryFilter->SetInputData(newData);
vtkNew<vtkLookupTable> lut;
lut->SetHueRange(0.6, 0);
lut->SetSaturationRange(1.0, 0);
lut->SetValueRange(0.5, 1);
lut->SetTableRange(-200, 125);
// Create a mapper and LUT.
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetLookupTable(lut);
mapper->SetInputConnection(geometryFilter->GetOutputPort());
mapper->ScalarVisibilityOn();
mapper->SetColorModeToMapScalars();
mapper->SetScalarRange(34, 125);
mapper->SetScalarModeToUsePointFieldData();
mapper->SelectColorArray("National_units");
// Create the actor.
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
// Basic visualisation.
vtkNew<vtkRenderWindow> renWin;
vtkNew<vtkRenderer> ren;
renWin->AddRenderer(ren);
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
ren->ResetCamera(reader->GetOutput()->GetBounds());
vtkCamera* camera = ren->GetActiveCamera();
camera->Azimuth(180);
camera->Zoom(1.6);
ren->AddActor(actor);
ren->SetBackground(0, 0, 0);
renWin->SetSize(300, 300);
// interact with data
renWin->Render();
int retVal = vtkRegressionTestImage(renWin);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
return !retVal;
}
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