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dampoints.cpp
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dampoints.cpp
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#include "dampoints.h"
//model at percentage (proportion 0-1.0) of existing brat capacity
DamPoints::DamPoints(const char *demPath, const char *bratPath, const char *facPath, const char *outDirPath, double modCap)
{
m_statPath = "";
setDemPath(demPath);
setFacPath(facPath);
setOutDir(outDirPath);
setBratCapacity(modCap);
qDebug()<<"init points";
init(bratPath);
}
DamPoints::DamPoints(const char *demPath, const char *bratPath, const char *facPath, const char *statPath, const char *outDirPath, double modCap)
{
m_statPath = statPath;
m_nDamPlace = 1;
setDemPath(demPath);
setFacPath(facPath);
setOutDir(outDirPath);
setBratCapacity(modCap);
qDebug()<<"init points";
init(bratPath);
}
DamPoints::DamPoints(const char *demPath, const char *bratPath, const char *facPath, const char *statPath, const char *outDirPath, double modCap, int nDamPlaceType)
{
m_statPath = statPath;
m_nDamPlace = nDamPlaceType;
setDemPath(demPath);
setFacPath(facPath);
setOutDir(outDirPath);
setBratCapacity(modCap);
qDebug()<<"init points";
init(bratPath);
}
//model locations of existing dams (exPath), type determines if dams are moved to flow accumulation (1) or not moved (2)
DamPoints::DamPoints(const char *demPath, const char *bratPath, const char *facPath, const char *statPath, const char *outDirPath, double modCap, const char *exPath, int type)
{
qDebug()<<"running from points";
m_statPath = statPath;
setDemPath(demPath);
setFacPath(facPath);
setOutDir(outDirPath);
setBratCapacity(modCap);
init(bratPath, exPath, type);
}
void DamPoints::init(const char *bratPath)
{
qDebug()<<bratPath;
qDebug()<<m_outDir;
m_layerName = "ModeledDamPoints";
loadDriver();
//path and name of BRAT shapefile
QFileInfo fi(QString::fromUtf8(bratPath));
setBratPath(fi.absolutePath());
setBratName(fi.baseName());
OGRDataSource *pInDs, *pOutDs;
OGRLayer *pBratIn, *pDamsOut;
//load BRAT shapefile and create output shapefile for dams
qDebug()<<"creating in dir"<<m_qsBratDir;
pInDs = m_pDriverShp->CreateDataSource(m_qsBratDir.toStdString().c_str(), NULL);
qDebug()<<"creating out dir"<<m_outDir;
pOutDs = m_pDriverShp->CreateDataSource(m_outDir, NULL);
pBratIn = pInDs->GetLayerByName(m_qsBratName.toStdString().c_str());
pDamsOut = pOutDs->CreateLayer(m_layerName, pBratIn->GetSpatialRef(), wkbPoint, NULL);
if (pBratIn->GetFeatureCount()==0)
{
m_success = false;
return;
}
//create fields for modeled dam points
createFields(pDamsOut);
//create modeled dam points based on BRAT estimates
if (m_nDamPlace == 1)
{
createDamPoints_BRAT(pBratIn, pDamsOut);
}
else if (m_nDamPlace == 2)
{
sortByCapacity(pBratIn);
createDamPoints_BRATcomplex(pBratIn, pDamsOut);
}
else if (m_nDamPlace == 3)
{
sortByCapacity(pBratIn);
createDamPoints_BRATcomplex100(pBratIn, pDamsOut);
}
OGRDataSource::DestroyDataSource(pInDs);
OGRDataSource::DestroyDataSource(pOutDs);
}
void DamPoints::init(const char *bratPath, const char *exPath, int type)
{
qDebug()<<"initializing";
m_layerName = "ModeledDamPoints";
loadDriver();
//path and name of BRAT linework
QFileInfo fi(QString::fromUtf8(bratPath));
setBratPath(fi.absolutePath());
setBratName(fi.baseName());
//path and name for existing dam loations
QFileInfo fi2(QString::fromUtf8(exPath));
QString exFilePath = fi2.absolutePath();
QString exName = fi2.baseName();
qDebug()<<exFilePath;
qDebug()<<exName;
OGRDataSource *pInDs, *pOutDs, *pExDS;
OGRLayer *pBratIn, *pDamsOut, *pDamsIn;
//input shapefiles (located in BRAT directory)
pInDs = OGRSFDriverRegistrar::Open(m_qsBratDir.toStdString().c_str(), 1);
//input shapefiles (located in input dams directory)
pExDS = m_pDriverShp->CreateDataSource(exFilePath.toStdString().c_str(), NULL);
//output shapefiles (directory specified as input
pOutDs = m_pDriverShp->CreateDataSource(m_outDir, NULL);
//get existing BRAT and dams layers
pBratIn = pInDs->GetLayerByName(m_qsBratName.toStdString().c_str());
pDamsIn = pExDS->GetLayerByName(exName.toStdString().c_str());
//create output shapefile of modeled dams
pDamsOut = pOutDs->CreateLayer(m_layerName, pBratIn->GetSpatialRef(), wkbPoint, NULL);
createFields(pDamsOut);
if (type == 1)
{
//use existing dam locations (copy created)
qDebug()<<"creating dam points";
createDamPoints_Copy(pBratIn, pDamsOut, pDamsIn);
}
else if (type == 2)
{
//use existing dam points, maintain locations (do not move to flow accumulation)
createDamPoints_CopyLoc(pBratIn, pDamsOut, pDamsIn);
}
else if (type == 3)
{
//use existing dam points with heights
createDamPoints_Heights(pBratIn, pDamsOut, pDamsIn);
}
else if (type == 4)
{
//use existing dam points with heights, maintain locations (do not move to flow accumulation)
createDamPoints_HeightsLoc(pBratIn, pDamsOut, pDamsIn);
}
OGRDataSource::DestroyDataSource(pInDs);
OGRDataSource::DestroyDataSource(pOutDs);
}
//writes csv of modeled area, currently not used, from previous workflow
void DamPoints::compareArea(const char *damsIn, const char *csvOut)
{
QFileInfo fi2(QString::fromUtf8(damsIn));
QString exFilePath = fi2.absolutePath();
QString exName = fi2.baseName();
OGRDataSource *pModDS, *pCompDS;
OGRLayer *pModLyr, *pCompLyr;
pModDS = m_pDriverShp->CreateDataSource(m_outDir, NULL);
pCompDS = m_pDriverShp->CreateDataSource(exFilePath.toStdString().c_str(), NULL);
pModLyr = pModDS->GetLayerByName(m_layerName);
pCompLyr = pCompDS->GetLayerByName(exName.toStdString().c_str());
QFile file(QString::fromUtf8(csvOut));
file.open(QIODevice::WriteOnly | QIODevice::Text);
QTextStream outStream(&file);
outStream << "fid,area,lo,mid,hi,dist,slope\n";
//outStream << "fid,type,area,lo,hi\n";
int nFeats = pCompLyr->GetFeatureCount();
OGRFeature *pModFeat, *pCompFeat;
double area, lo, mid, hi, dist, slope;
for (int i=0; i<nFeats; i++)
{
pCompFeat = pCompLyr->GetFeature(i);
pModFeat = pModLyr->GetFeature(i);
OGRPoint *point1, *point2;
OGRGeometry *pGeom = pCompFeat->GetGeometryRef();
point1 = (OGRPoint*) pGeom;
pGeom = pModFeat->GetGeometryRef();
point2 = (OGRPoint*) pGeom;
dist = Geometry::distance_point(point1->getX(), point1->getY(), point2->getX(), point2->getY());
area = pCompFeat->GetFieldAsDouble("Shape_Area");
slope = pCompFeat->GetFieldAsDouble("iGeo_Slope");
lo = pModFeat->GetFieldAsDouble("area_lo");
mid = pModFeat->GetFieldAsDouble("area_mid");
hi = pModFeat->GetFieldAsDouble("area_hi");
outStream <<i<<","<<area<<","<<lo<<","<<mid<<","<<hi<<","<<dist<<","<<slope<<"\n";
//outStream <<i<<","<<"Observed"<<","<<area<<"\n";
//outStream <<i<<","<<"Modeled"<<","<<mid<<","<<lo<<","<<hi<<"\n";
}
file.close();
OGRFeature::DestroyFeature(pModFeat);
OGRFeature::DestroyFeature(pCompFeat);
OGRDataSource::DestroyDataSource(pModDS);
OGRDataSource::DestroyDataSource(pCompDS);
}
void DamPoints::createDamPoints_BRAT(OGRLayer *pBratLyr, OGRLayer *pDamsLyr)
{
qDebug()<<"starting dam points from BRAT";
const char *slopeField = "iGeo_Slope";
const char *densField = "oCC_EX";
double sampleDist = 50.0;
int nDams = 0, nPrimary = 0, nSecondary = 0;
long lastFID = -9999;
//BRAT line segment
OGRFeature *pBratFeat;
//feature for modeled dams layer
qDebug()<<"loading ogr feature";
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
qDebug()<<"done";
Raster raster_dem;
qDebug()<<"counting features";
int nFeatures = pBratLyr->GetFeatureCount();
qDebug()<<"features"<<nFeatures;
//loop through all features in BRAT layer
for (int i=0; i<nFeatures; i++)
{
//qDebug()<<"BRAT reach "<<i<<" of "<<nFeatures;
int nDamCount = 0, nErrCount = 0;
double length, damDens, slope, spacing, elev, azimuthStart, endx, endy, end_elev;
OGRPoint point1, point2;
//get BRAT feature
pBratFeat = pBratLyr->GetFeature(i);;
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
//geometry of BRAT feature
OGRLineString *pBratLine = (OGRLineString*) pGeom;
int nPoints = pBratLine->getNumPoints();
//start and end points of BRAT segment, used to calculate azimuth
point1.setX(pBratLine->getX(0));
point1.setY(pBratLine->getY(0));
point2.setX(pBratLine->getX(nPoints-1));
point2.setY(pBratLine->getY(nPoints-1));
//length of BRAT segment
length = pBratLine->get_Length();
//BRAT existing capacity (dams/km)
damDens = pBratFeat->GetFieldAsDouble(densField);
//slope of BRAT segment
slope = pBratFeat->GetFieldAsDouble(slopeField);
//calculate number of dams from dam density, segment, length, and percent of capacity (m_modCap)
nDamCount = ceil(length * (damDens/1000.0) * m_modCap);
//qDebug()<<nDams<<damDens/1000.0<<nDamCount<<m_modCap<<length;
if (nDamCount > 0)
{
//distance between dams
spacing = length / (nDamCount*1.0);
}
else
{
spacing = 0.0;
}
//calculate azimuth (from start to end) of BRAT segment
azimuthStart = Geometry::calcAzimuth(point2.getX(), point2.getY(), point1.getX(), point1.getY());
//end_elev = raster_dem.sampleAlongLine_LowVal(m_demPath, pBratLine->getX(0), pBratLine->getY(0), azimuthStart, sampleDist, endx, endy);
//find elevation on stream network closes to dam point (on line perpendicular to BRAT segment)
end_elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pBratLine->getX(0), pBratLine->getY(0), azimuthStart, sampleDist, endx, endy);
nDams += nDamCount;
//create a point for each dam to be modeled on BRAT segment
for (int j=0; j<nDamCount; j++)
{
//location of modeled dam
OGRPoint damPoint;
//location on BRAT segment
double pointDist = length - (spacing * (j * 1.0));
//random sample of 1000 heights from dam height distribtuion
double rnum = ((double) rand() / (RAND_MAX));
double dht;
Statistics normDist(Random::randomSeries(1000, RDT_norm, 0.92, 0.17), RDT_norm);
dht = Random::random_normal(0.92, 0.17);
if (rnum <= 0.15)
{
normDist.setSample(Random::randomSeries(1000, RDT_norm, 1.14, 0.19));
dht = Random::random_normal(1.14, 0.19);
nPrimary++;
}
else
{
nSecondary++;
}
//set point location on BRAT segment
pBratLine->Value(pointDist, &damPoint);
//location of dam point
double x = damPoint.getX();
double y = damPoint.getY();
//move dam point to lowest cross sectional elevation
//elev = raster_dem.sampleAlongLine_LowVal(m_demPath, damPoint.getX(), damPoint.getY(), azimuthStart, sampleDist, x, y);
//move dam point to stream network raster
elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, damPoint.getX(), damPoint.getY(), azimuthStart, sampleDist, x, y);
//set location of point
damPoint.setX(x);
damPoint.setY(y);
//set field values and dam heights
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(damPoint.getX(), damPoint.getY(), endx, endy), x, y);
double loHt, midHt, hiHt, maxHt;
loHt = normDist.getQuantile(0.025), midHt = normDist.getQuantile(0.5), hiHt = normDist.getQuantile(0.975), maxHt = VectorOps::max(normDist.getData());
setDamHeights(pDamFeat, loHt*loHt, midHt*midHt, hiHt*hiHt, maxHt*maxHt);
pDamFeat->SetGeometry(&damPoint);
//qDebug()<<"Field Values "<<i<<elev<<slope<<Geometry::calcAzimuth(damPoint.getX(), damPoint.getY(), endx, endy)<<x<<y;
//make sure point is located inside model domain (if the elevation value is NoData, outside domain)
if (elev > 0.0)
{
if (pDamsLyr->CreateFeature(pDamFeat) != OGRERR_NONE)
{
nErrCount++;
qDebug()<<"error writing dam point "<<nErrCount;
}
}
}
}
qDebug()<<nDams<<"modeled";
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
}
void DamPoints::createDamPoints_BRATcomplex(OGRLayer *pBratLyr, OGRLayer *pDamsLyr)
{
qDebug()<<"starting dam points from BRAT. . . complex";
const char *slopeField = "iGeo_Slope";
const char *densField = "oCC_EX";
double sampleDist = 50.0;
long lastFID = -9999;
double maxCap = VectorOps::sum(m_qvMaxDams);
double modCap = maxCap * m_modCap;
int nTotalDams = 0, nPrimary = 0, nSecondary = 0;
//BRAT line segment
OGRFeature *pBratFeat;
//feature for modeled dams layer
qDebug()<<"loading ogr feature";
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
qDebug()<<"done";
Raster raster_dem;
qDebug()<<"counting features";
int nFeatures = pBratLyr->GetFeatureCount();
qDebug()<<"features"<<nFeatures;
//loop through all features in BRAT layer
int i=0;
bool stop = false;
while (i<nFeatures && !stop)
{
//qDebug()<<"BRAT reach "<<i<<" of "<<nFeatures;
int nDamCount = 0, nErrCount = 0;
double length, slope, spacing, elev, azimuthStart, endx, endy, end_elev;
OGRPoint point1, point2;
//get BRAT feature
pBratFeat = pBratLyr->GetFeature(m_qvBratFID[i]);
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
//geometry of BRAT feature
OGRLineString *pBratLine = (OGRLineString*) pGeom;
int nPoints = pBratLine->getNumPoints();
//start and end points of BRAT segment, used to calculate azimuth
point1.setX(pBratLine->getX(0));
point1.setY(pBratLine->getY(0));
point2.setX(pBratLine->getX(nPoints-1));
point2.setY(pBratLine->getY(nPoints-1));
//length of BRAT segment
length = pBratLine->get_Length();
//slope of BRAT segment
slope = pBratFeat->GetFieldAsDouble(slopeField);
//number of dams for a BRAT segment randomly selected from complex size distribution
nDamCount = ceil(Random::random_lognormal(1.5516125, 0.7239713));
//qDebug()<<nDams<<damDens/1000.0<<nDamCount<<m_modCap<<length;
if (nDamCount > 0)
{
if (nDamCount > m_qvMaxDams[i])
{
nDamCount = m_qvMaxDams[i];
}
if ((nTotalDams + nDamCount) > modCap)
{
nDamCount = ceil(modCap - nTotalDams);
}
//distance between dams
spacing = length / (nDamCount*1.0);
}
else
{
spacing = 0.0;
}
nTotalDams += nDamCount;
//calculate azimuth (from start to end) of BRAT segment
azimuthStart = Geometry::calcAzimuth(point2.getX(), point2.getY(), point1.getX(), point1.getY());
//find elevation on stream network closest to dam point (on line perpendicular to BRAT segment)
end_elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pBratLine->getX(0), pBratLine->getY(0), azimuthStart, sampleDist, endx, endy);
//create a point for each dam to be modeled on BRAT segment
for (int j=0; j<nDamCount; j++)
{
//location of modeled dam
OGRPoint damPoint;
//location on BRAT segment
double pointDist = length - (spacing * (j * 1.0));
//Determine if dam is primary or secondary and get dam heights from distribution
double rnum = ((double) rand() / (RAND_MAX));
double dht;
//Heigth distribution for secondary dams
Statistics normDist(Random::randomSeries(1000, RDT_norm, 0.92, 0.17), RDT_norm);
dht = Random::random_normal(0.92, 0.17);
//Primary dam
if (rnum <= 0.15)
{
//Height distribution for primary dams
normDist.setSample(Random::randomSeries(1000, RDT_norm, 1.14, 0.19));
dht = Random::random_normal(1.14, 0.19);
nPrimary++;
}
else
{
nSecondary++;
}
//set point location on BRAT segment
pBratLine->Value(pointDist, &damPoint);
//location of dam point
double x = damPoint.getX();
double y = damPoint.getY();
//move dam point to lowest cross sectional elevation
//elev = raster_dem.sampleAlongLine_LowVal(m_demPath, damPoint.getX(), damPoint.getY(), azimuthStart, sampleDist, x, y);
//move dam point to stream network raster
elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, damPoint.getX(), damPoint.getY(), azimuthStart, sampleDist, x, y);
//set location of point
damPoint.setX(x);
damPoint.setY(y);
//set field values and dam heights
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(damPoint.getX(), damPoint.getY(), endx, endy), x, y);
double loHt, midHt, hiHt, maxHt;
loHt = normDist.getQuantile(0.025), midHt = normDist.getQuantile(0.5), hiHt = normDist.getQuantile(0.975), maxHt = VectorOps::max(normDist.getData());
setDamHeights(pDamFeat, loHt*loHt, midHt*midHt, hiHt*hiHt, maxHt*maxHt);
pDamFeat->SetGeometry(&damPoint);
//qDebug()<<"Field Values "<<i<<elev<<slope<<Geometry::calcAzimuth(damPoint.getX(), damPoint.getY(), endx, endy)<<x<<y;
//make sure point is located inside model domain (if the elevation value is NoData, outside domain)
if (elev > 0.0 && end_elev > 0.0)
{
if (pDamsLyr->CreateFeature(pDamFeat) != OGRERR_NONE)
{
nErrCount++;
qDebug()<<"error writing dam point "<<nErrCount;
}
}
}
if (nTotalDams >= modCap)
{
stop = true;
}
i++;
}
qDebug()<<"Dams Modeled"<<nTotalDams<<"Max Capacity for Scenario"<<modCap<<"Maximum Capacity"<<maxCap<<"Percent Capacity"<<m_modCap;
qDebug()<<"primary"<<nPrimary<<"secondary"<<nSecondary;
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
}
void DamPoints::createDamPoints_BRATcomplex100(OGRLayer *pBratLyr, OGRLayer *pDamsLyr)
{
qDebug()<<"starting dam points from BRAT. . . complex 100% update";
OGRFieldDefn field("totdams", OFTInteger);
//delete dam and complex count fields if they already exist
if (pBratLyr->FindFieldIndex("totdams", 1)>=0)
{
pBratLyr->DeleteField(pBratLyr->FindFieldIndex("totdams", 1));
}
if (pBratLyr->FindFieldIndex("totcomp", 1)>=0)
{
pBratLyr->DeleteField(pBratLyr->FindFieldIndex("totcomp", 1));
}
//create dam and complex count fields
pBratLyr->CreateField(&field);
field.SetName("totcomp");
field.SetType(OFTInteger);
pBratLyr->CreateField(&field);
const char *slopeField = "iGeo_Slope";
double sampleDist = 50.0;
double maxCap = VectorOps::sum(m_qvMaxDams);
double modCap = maxCap * m_modCap;
int nTotalDams = 0, nPrimary = 0, nSecondary = 0;
//BRAT line segment
OGRFeature *pBratFeat;
//feature for modeled dams layer
qDebug()<<"loading ogr feature";
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
qDebug()<<"done";
Raster raster_dem;
qDebug()<<"counting features";
int nFeatures = pBratLyr->GetFeatureCount();
qDebug()<<"features"<<nFeatures;
while (nTotalDams < ceil(modCap))
{
//loop through all features in BRAT layer
int i=0;
bool stop = false;
while (i<nFeatures && !stop)
{
int nDamCount = 0;
pBratFeat = pBratLyr->GetFeature(m_qvBratFID[i]);
int exDams = pBratFeat->GetFieldAsInteger("totdams");
int exComp = pBratFeat->GetFieldAsInteger("totcomp");
//number of dams for a BRAT segment randomly selected from complex size distribution
nDamCount = ceil(Random::random_lognormal(1.5516125, 0.7239713));
if (nDamCount > 0)
{
if (nDamCount > ceil(m_qvMaxDams[i]))
{
//set equal to max reach capacity if complex size is larger than reach capacity
nDamCount = ceil(m_qvMaxDams[i]);
}
if ((nTotalDams + nDamCount) > modCap)
{
//if maximum capacity for the area is reached reduce capacity at the final reach
nDamCount = ceil(modCap - nTotalDams);
}
pBratFeat->SetField("totdams", exDams + nDamCount);
if(m_qvMaxDams[i] >= 1.0)
{
pBratFeat->SetField("totcomp", exComp + 1);
}
pBratLyr->SetFeature(pBratFeat);
}
nTotalDams += nDamCount;
i++;
if (nTotalDams >= ceil(modCap))
{
stop = true;
}
}
qDebug()<<"finished iteration of complex placement";
}
//loop through all features in BRAT layer
int i=0;
const char *damType;
while (i<nFeatures)
{
//qDebug()<<"BRAT reach "<<i<<" of "<<nFeatures;
int nErrCount = 0;
int nDamCount, nCompCount;
double length, slope, spacing, elev, azimuthStart, endx, endy, end_elev;
OGRPoint point1, point2;
//get BRAT feature
pBratFeat = pBratLyr->GetFeature(m_qvBratFID[i]);
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
//geometry of BRAT feature
OGRLineString *pBratLine = (OGRLineString*) pGeom;
int nPoints = pBratLine->getNumPoints();
//start and end points of BRAT segment, used to calculate azimuth
point1.setX(pBratLine->getX(0));
point1.setY(pBratLine->getY(0));
point2.setX(pBratLine->getX(nPoints-1));
point2.setY(pBratLine->getY(nPoints-1));
//length of BRAT segment
length = pBratLine->get_Length();
//slope of BRAT segment
slope = pBratFeat->GetFieldAsDouble(slopeField);
//number of dams for a BRAT segment randomly selected from complex size distribution
nDamCount = pBratFeat->GetFieldAsInteger("totdams");
nCompCount = pBratFeat->GetFieldAsInteger("totcomp");
//qDebug()<<nDams<<damDens/1000.0<<nDamCount<<m_modCap<<length;
if (nDamCount > 0)
{
spacing = length / (nDamCount*1.0);
}
else
{
spacing = 0.0;
}
//calculate azimuth (from start to end) of BRAT segment
azimuthStart = Geometry::calcAzimuth(point2.getX(), point2.getY(), point1.getX(), point1.getY());
//find elevation on stream network closest to dam point (on line perpendicular to BRAT segment)
end_elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pBratLine->getX(0), pBratLine->getY(0), azimuthStart, sampleDist, endx, endy);
//create a point for each dam to be modeled on BRAT segment
int damReamin = nDamCount;
int compRemain = nCompCount;
for (int j=0; j<nDamCount; j++)
{
//location of modeled dam
OGRPoint damPoint;
//location on BRAT segment
double pointDist = length - (spacing * (j * 1.0));
//Determine if dam is primary or secondary and get dam heights from distribution
double rnum = ((double) rand() / (RAND_MAX));
double dht;
//Heigth distribution for secondary dams
Statistics normDist(Random::randomSeries(30, RDT_norm, -0.21, 0.39), RDT_norm);
dht = Random::random_normal(0.92, 0.17);
//Different dam type determination methods for different sized dam complexes
// if (nDamCount > 2)
// {
if ((rnum <= (compRemain*1.0)/(damReamin*1.0)) || nDamCount == 1)
{
//Height distribution for primary dams
normDist.setSample(Random::randomSeries(30, RDT_norm, 0.22, 0.36));
dht = Random::random_normal(0.22, 0.36);
nPrimary++;
damType = "primary";
compRemain--;
}
else
{
nSecondary++;
damType = "secondary";
}
// }
//For small complexes
// else
// {
// if (rnum <= 0.15)
// {
// normDist.setSample(Random::randomSeries(1000, RDT_norm, 1.14, 0.19));
// dht = Random::random_normal(1.14, 0.19);
// nPrimary++;
// damType = "primary";
// }
// else
// {
// nSecondary++;
// damType = "secondary";
// }
// }
//set point location on BRAT segment
pBratLine->Value(pointDist, &damPoint);
//location of dam point
double x = damPoint.getX();
double y = damPoint.getY();
//move dam point to lowest cross sectional elevation
//elev = raster_dem.sampleAlongLine_LowVal(m_demPath, damPoint.getX(), damPoint.getY(), azimuthStart, sampleDist, x, y);
//move dam point to stream network raster
elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, damPoint.getX(), damPoint.getY(), azimuthStart, sampleDist, x, y);
//set location of point
damPoint.setX(x);
damPoint.setY(y);
//set field values and dam heights
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(damPoint.getX(), damPoint.getY(), endx, endy), x, y);
double loHt, midHt, hiHt, maxHt;
loHt = normDist.getQuantile(0.025), midHt = normDist.getQuantile(0.5), hiHt = normDist.getQuantile(0.975), maxHt = VectorOps::max(normDist.getData());
setDamHeights(pDamFeat, exp(loHt), exp(midHt), exp(hiHt), exp(maxHt));
qDebug()<<exp(loHt)<<exp(midHt)<<exp(hiHt)<<damType;
pDamFeat->SetField("damType", damType);
pDamFeat->SetGeometry(&damPoint);
//qDebug()<<"Field Values "<<i<<elev<<slope<<Geometry::calcAzimuth(damPoint.getX(), damPoint.getY(), endx, endy)<<x<<y;
//make sure point is located inside model domain (if the elevation value is NoData, outside domain)
if (elev > 0.0 && end_elev > 0.0)
{
if (pDamsLyr->CreateFeature(pDamFeat) != OGRERR_NONE)
{
nErrCount++;
qDebug()<<"error writing dam point "<<nErrCount;
}
}
damReamin--;
}
i++;
}
qDebug()<<"Dams Modeled"<<nTotalDams<<"Max Capacity for Scenario"<<modCap<<"Maximum Capacity"<<maxCap<<"Percent Capacity"<<m_modCap;
qDebug()<<"primary"<<nPrimary<<"secondary"<<nSecondary;
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
}
//Create dam points to model from known dam locations. Modeled dam points moved to flow accumulation raster
void DamPoints::createDamPoints_Copy(OGRLayer *pBratLyr, OGRLayer *pDamsLyr, OGRLayer *pExLyr)
{
qDebug()<<"starting dam points from points";
const char *slopeField = "iGeo_Slope";
double sampleDist = 100.0;
OGRFeature *pBratFeat, *pOldFeat;
qDebug()<<"features declared";
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
qDebug()<<"feature created";
Raster raster_dem;
int nPrimary = 0, nSecondary = 0;
qDebug()<<"getting features";
int nFeatures = pExLyr->GetFeatureCount();
qDebug()<<"starting loop";
for (int i=0; i<nFeatures; i++)
{
qDebug()<<"creating dam"<<i+1<<"of"<<nFeatures;
pOldFeat = pExLyr->GetFeature(i);
int nBratFID = pOldFeat->GetFieldAsInteger("ID");
pBratFeat = pBratLyr->GetFeature(nBratFID);
double slope = pBratFeat->GetFieldAsDouble(slopeField);
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
OGRLineString *pBratLine = (OGRLineString*) pGeom;
pGeom = pOldFeat->GetGeometryRef();
OGRPoint *pOldDam = (OGRPoint*) pGeom;
double az = Geometry::calcAzimuth(pBratLine->getX(pBratLine->getNumPoints()-1), pBratLine->getY(pBratLine->getNumPoints()-1), pBratLine->getX(0), pBratLine->getY(0));
double rnum = ((double) rand() / (RAND_MAX));
double dht;
//Heigth distribution for secondary dams
Statistics normDist(Random::randomSeries(1000, RDT_norm, 0.92, 0.17), RDT_norm);
dht = Random::random_normal(0.92, 0.17);
//Primary dam
if (rnum <= 0.15)
{
//Height distribution for primary dams
normDist.setSample(Random::randomSeries(1000, RDT_norm, 1.14, 0.19));
dht = Random::random_normal(1.14, 0.19);
nPrimary++;
}
else
{
nSecondary++;
}
double x = pOldDam->getX();
double y = pOldDam->getY();
//double elev = raster_dem.sampleAlongLine_LowVal(m_demPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
double elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
pOldDam->setX(x);
pOldDam->setY(y);
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(pOldDam->getX(), pOldDam->getY(), pBratLine->getX(0), pBratLine->getY(0)), x, y);
double loHt, midHt, hiHt, maxHt;
loHt = normDist.getQuantile(0.025), midHt = normDist.getQuantile(0.5), hiHt = normDist.getQuantile(0.975), maxHt = VectorOps::max(normDist.getData());
//setDamHeights(pDamFeat, dht*dht, dht*dht, dht*dht, dht*dht);
setDamHeights(pDamFeat, loHt*loHt, midHt*midHt, hiHt*hiHt, maxHt*maxHt);
//setDamHeights(pDamFeat, normDist.getQuantile(0.025), normDist.getQuantile(0.5), normDist.getQuantile(0.975), VectorOps::max(normDist.getData()));
//qDebug()<<loHt*loHt<<midHt*midHt<<hiHt*hiHt;
//qDebug()<<"brat id"<<nBratFID;
pDamFeat->SetGeometry(pOldDam);
if (elev > 0.0)
{
pDamsLyr->CreateFeature(pDamFeat);
}
else
{
qDebug()<<"elevation error creating point "<<elev;
}
}
qDebug()<<"primary"<<nPrimary<<"secondary"<<nSecondary;
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
OGRFeature::DestroyFeature(pOldFeat);
}
//Create dam points to model at same location as input dam points. If dam extents created wtih polygons output will have errors
void DamPoints::createDamPoints_CopyLoc(OGRLayer *pBratLyr, OGRLayer *pDamsLyr, OGRLayer *pExLyr)
{
qDebug()<<"starting dam points from points copy location";
const char *slopeField = "iGeo_Slope";
//double sampleDist = 50.0;
OGRFeature *pBratFeat, *pOldFeat;
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
Raster raster_dem;
int nPrimary = 0, nSecondary = 0;
int nFeatures = pExLyr->GetFeatureCount();
for (int i=0; i<nFeatures; i++)
{
qDebug()<<"creating dam"<<i+1<<"of"<<nFeatures;
pOldFeat = pExLyr->GetFeature(i);
int nBratFID = pOldFeat->GetFieldAsInteger("ID");
pBratFeat = pBratLyr->GetFeature(nBratFID);
double slope = pBratFeat->GetFieldAsDouble(slopeField);
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
OGRLineString *pBratLine = (OGRLineString*) pGeom;
pGeom = pOldFeat->GetGeometryRef();
OGRPoint *pOldDam = (OGRPoint*) pGeom;
//double az = Geometry::calcAzimuth(pBratLine->getX(pBratLine->getNumPoints()-1), pBratLine->getY(pBratLine->getNumPoints()-1), pBratLine->getX(0), pBratLine->getY(0));
double rnum = ((double) rand() / (RAND_MAX));
double dht;
Statistics normDist(Random::randomSeries(1000, RDT_norm, 0.93, 0.17), RDT_norm);
dht = Random::random_normal(0.92, 0.17);
if (rnum <= 0.15)
{
normDist.setSample(Random::randomSeries(1000, RDT_norm, 1.16, 0.20));
dht = Random::random_normal(1.16, 0.2);
nPrimary++;
//qDebug()<<"primary"<<rnum;
}
else
{
nSecondary++;
//qDebug()<<"secondary"<<rnum;
}
//double x = pOldDam->getX();
//double y = pOldDam->getY();
//double elev = raster_dem.sampleAlongLine_LowVal(m_demPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
//double elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
//pOldDam->setX(x);
//pOldDam->setY(y);
double elev = raster_dem.valueAtPoint(m_demPath, pOldDam->getX(), pOldDam->getY());
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(pOldDam->getX(), pOldDam->getY(), pBratLine->getX(0), pBratLine->getY(0)), pOldDam->getX(), pOldDam->getY());
double loHt, midHt, hiHt, maxHt;
loHt = normDist.getQuantile(0.025), midHt = normDist.getQuantile(0.5), hiHt = normDist.getQuantile(0.975), maxHt = VectorOps::max(normDist.getData());
//setDamHeights(pDamFeat, dht*dht, dht*dht, dht*dht, dht*dht);
setDamHeights(pDamFeat, loHt*loHt, midHt*midHt, hiHt*hiHt, maxHt*maxHt);
//setDamHeights(pDamFeat, normDist.getQuantile(0.025), normDist.getQuantile(0.5), normDist.getQuantile(0.975), VectorOps::max(normDist.getData()));
//qDebug()<<loHt*loHt<<midHt*midHt<<hiHt*hiHt;
//qDebug()<<"brat id"<<nBratFID;
pDamFeat->SetGeometry(pOldDam);
if (elev > 0.0)
{
pDamsLyr->CreateFeature(pDamFeat);
}
}
qDebug()<<"primary"<<nPrimary<<"secondary"<<nSecondary;
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
OGRFeature::DestroyFeature(pOldFeat);
}
//Create dam points to model from dams with measured heights. Modeled dam points moved to flow accumulation raster
void DamPoints::createDamPoints_Heights(OGRLayer *pBratLyr, OGRLayer *pDamsLyr, OGRLayer *pExLyr)
{
qDebug()<<"starting dam points height";
const char *slopeField = "iGeo_Slope";
double sampleDist = 50.0;
OGRFeature *pBratFeat, *pOldFeat;
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
Raster raster_dem;
int nFeatures = pExLyr->GetFeatureCount();
for (int i=0; i<nFeatures; i++)
{
pOldFeat = pExLyr->GetFeature(i);
int nBratFID = pOldFeat->GetFieldAsInteger("ID");
double damHeight = pOldFeat->GetFieldAsDouble("DamHt_m"); //Field name for Temple Fork data is "Dam_Height", for all others "DamHt_m", for volume comparison "d_ht_m"
pBratFeat = pBratLyr->GetFeature(nBratFID);
double slope = pBratFeat->GetFieldAsDouble(slopeField);
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
OGRLineString *pBratLine = (OGRLineString*) pGeom;
pGeom = pOldFeat->GetGeometryRef();
OGRPoint *pOldDam = (OGRPoint*) pGeom;
double az = Geometry::calcAzimuth(pBratLine->getX(pBratLine->getNumPoints()-1), pBratLine->getY(pBratLine->getNumPoints()-1), pBratLine->getX(0), pBratLine->getY(0));
double x = pOldDam->getX();
double y = pOldDam->getY();
//double elev = raster_dem.sampleAlongLine_LowVal(m_demPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
double elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
pOldDam->setX(x);
pOldDam->setY(y);
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(pOldDam->getX(), pOldDam->getY(), pBratLine->getX(0), pBratLine->getY(0)), x, y);
setDamHeights(pDamFeat, damHeight, damHeight, damHeight, damHeight);
pDamFeat->SetGeometry(pOldDam);
if (elev > 0.0)
{
pDamsLyr->CreateFeature(pDamFeat);
}
}
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
OGRFeature::DestroyFeature(pOldFeat);
}
//Create dam points to model with measure heights at same location as input dam points. If dam extents created wtih polygons output will have errors
void DamPoints::createDamPoints_HeightsLoc(OGRLayer *pBratLyr, OGRLayer *pDamsLyr, OGRLayer *pExLyr)
{
qDebug()<<"Dam points with heights, preserve original location";
const char *slopeField = "iGeo_Slope";
//double sampleDist = 50.0;
OGRFeature *pBratFeat, *pOldFeat;
OGRFeature *pDamFeat = OGRFeature::CreateFeature(pDamsLyr->GetLayerDefn());
Raster raster_dem;
int nFeatures = pExLyr->GetFeatureCount();
for (int i=0; i<nFeatures; i++)
{
pOldFeat = pExLyr->GetFeature(i);
int nBratFID = pOldFeat->GetFieldAsInteger("ID");
double damHeight = pOldFeat->GetFieldAsDouble("DamHt_m");
pBratFeat = pBratLyr->GetFeature(nBratFID);
double slope = pBratFeat->GetFieldAsDouble(slopeField);
OGRGeometry *pGeom = pBratFeat->GetGeometryRef();
OGRLineString *pBratLine = (OGRLineString*) pGeom;
pGeom = pOldFeat->GetGeometryRef();
OGRPoint *pOldDam = (OGRPoint*) pGeom;
//double az = Geometry::calcAzimuth(pBratLine->getX(pBratLine->getNumPoints()-1), pBratLine->getY(pBratLine->getNumPoints()-1), pBratLine->getX(0), pBratLine->getY(0));
//double x = pOldDam->getX();
//double y = pOldDam->getY();
//double elev = raster_dem.sampleAlongLine_LowVal(m_demPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
//double elev = raster_dem.sampleAlongLine_RasterVal(m_demPath, m_facPath, pOldDam->getX(), pOldDam->getY(), az, sampleDist, x, y);
//pOldDam->setX(x);
//pOldDam->setY(y);
double elev = raster_dem.valueAtPoint(m_demPath, pOldDam->getX(), pOldDam->getY());
setFieldValues(pDamFeat, i, elev, slope, Geometry::calcAzimuth(pOldDam->getX(), pOldDam->getY(), pBratLine->getX(0), pBratLine->getY(0)), pOldDam->getX(), pOldDam->getY());
setDamHeights(pDamFeat, damHeight, damHeight, damHeight, damHeight);
//qDebug()<<i<< elev<< slope<< Geometry::calcAzimuth(pOldDam->getX(), pOldDam->getY(), pBratLine->getX(0), pBratLine->getY(0))<< pOldDam->getX()<< pOldDam->getY();
pDamFeat->SetGeometry(pOldDam);
if (elev > 0.0)
{
pDamsLyr->CreateFeature(pDamFeat);
}
}
OGRFeature::DestroyFeature(pDamFeat);
OGRFeature::DestroyFeature(pBratFeat);
OGRFeature::DestroyFeature(pOldFeat);
}
void DamPoints::createFields(OGRLayer *pLayer)
{
OGRFieldDefn field("brat_ID", OFTInteger);
pLayer->CreateField(&field);
field.SetName("endx");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("endy");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("az_us");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("g_elev");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("slope");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("ht_max");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("damType");
field.SetType(OFTString);
pLayer->CreateField(&field);
field.SetName("ht_lo");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("ht_mid");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("ht_hi");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("ht_lo_mod");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("ht_mid_mod");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("ht_hi_mod");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("area_lo");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("area_mid");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("area_hi");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("vol_lo");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("vol_mid");
field.SetType(OFTReal);
pLayer->CreateField(&field);
field.SetName("vol_hi");
field.SetType(OFTReal);