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Commit 190e9909 authored by LEFEBVREJP email's avatar LEFEBVREJP email
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Adding hectorpascal conversion utility. Updating tstUtil after earth radius... 

Adding hectorpascal conversion utility. Updating tstUtil after earth radius update. Updating gfsfile to convert pressure levels to altitude m-agl.
parent 52d0a190
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radixio/gfsfile.cc
View file @ 190e9909
......@@ -230,8 +230,8 @@ GFSFile::GFSFile(std::string file)
<< " " << mLabel.hour;
mEndTime = ss.str();
}
// radix_tagged_line("Profile time: " << mProfiles[mProfiles.size()-1]
// << mLabel.toString());
// radix_tagged_line("Profile time: " << mProfiles[mProfiles.size()-1]
// << mLabel.toString());
}
rstream->close();
delete rstream;
......@@ -708,6 +708,7 @@ std::vector<std::vector<float>> GFSFile::query(float lat
bool sfcwnd = false;
float offset = 0.0f;
float plevel = 0.0f;
float surfaceAltitude = 0.f;
std::vector<std::vector<float>> results(mHeader.nz);
for(int ll = 0; ll < mHeader.nz; ++ll)
......@@ -747,7 +748,6 @@ std::vector<std::vector<float>> GFSFile::query(float lat
}
// by default assume level = pressure unless PRES variable appears
// (i.e. terrain data (type=3) will have local pressure variable
int level = static_cast<int>(plevel);
// match variables defined in file's index record with those variables
// that have been defined in this subroutine and create a variable number
......@@ -782,6 +782,13 @@ std::vector<std::vector<float>> GFSFile::query(float lat
}
// initialize space for results vector
results[ll] = std::vector<float>(columns.size(), 0.0f);
// if "HGTS" has been requested add level as the default HGTS
auto hIt = std::find(columns.begin(), columns.end(), "HGTS");
if(hIt != columns.end())
{
results[ll][hIt-columns.begin()] = hpaToAltitude(plevel) - surfaceAltitude;
}
// check for time
auto timeIt = std::find(columns.begin(), columns.end(), "TIME");
if(timeIt != columns.end())
......@@ -793,25 +800,29 @@ std::vector<std::vector<float>> GFSFile::query(float lat
auto presIt = std::find(columns.begin(), columns.end(), "PRSS");
if(presIt != columns.end())
{
results[ll][presIt-columns.begin()] = (float)level;
results[ll][presIt-columns.begin()] = plevel;
}
for(int kk = 0; kk < nvar; ++kk)
{
if(mVarbId[ll][kk].compare("PRES") == 0) plevel = vdata[kk][ll];
if(mVarbId[ll][kk].compare("THET") == 0)
std::string varb = mVarbId[ll][kk];
if(varb.compare("PRES") == 0) plevel = vdata[kk][ll];
if(varb.compare("THET") == 0)
{
tpot = vdata[kk][ll];
// potential temperature defined; replace with ambient
vdata[kk][ll] = (tpot*std::pow(plevel/1000.0f,0.286f))-273.16f;
}
if(mVarbId[ll][kk].compare("TEMP") == 0) temp = vdata[kk][ll]+273.16f;
if(varb.compare("TEMP") == 0) temp = vdata[kk][ll]+273.16f;
std::string varb = mVarbId[ll][kk];
//map certain varb
//map certain surface temperature(T02M) or surface relative humidity(RH2M)
if(varb.compare("T02M") == 0) varb = "TEMP";
if(varb.compare("RH2M") == 0) varb = "RELH";
if(varb.compare("PRSS") == 0)
{
surfaceAltitude = hpaToAltitude(vdata[kk][ll]) - 2.f;
}
auto it = std::find(columns.begin(), columns.end(), varb);
if(it != columns.end())
{
......
radixmath/tests/tstUtil.cc
View file @ 190e9909
......@@ -4,6 +4,15 @@
#include "radixmath/util.hh"
using namespace radix;
TEST(radix, hpaToAltitude)
{
Real altitude = hpaToAltitude(835);
EXPECT_FLOAT_EQ(1601.6289, altitude);
altitude = hpaToAltitude(67.7);
EXPECT_FLOAT_EQ(17830.553, altitude);
}
TEST(radix, cspanf)
{
Real lon = -190;
......@@ -62,7 +71,7 @@ TEST(radix, greatCircleDistance){
, lat1
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4430.4688, distance);
EXPECT_FLOAT_EQ(4430.6079, distance);
// north
distance = greatCircleDistance(lat2
......@@ -70,7 +79,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4427.5361, distance);
EXPECT_FLOAT_EQ(4427.6748, distance);
// west
double west = greatCircleDistance(lat1
......@@ -78,7 +87,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon1
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(5559.7461, west);
EXPECT_FLOAT_EQ(5559.9209, west);
// east (should equal west)
distance = greatCircleDistance(lat1
......@@ -102,7 +111,7 @@ TEST(radix, greatCircleDistance){
, lat1
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4430.4688, distance);
EXPECT_FLOAT_EQ(4430.6079, distance);
// north
distance = greatCircleDistance(lat2
......@@ -110,7 +119,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4427.5361, distance);
EXPECT_FLOAT_EQ(4427.6748, distance);
// west
double west = greatCircleDistance(lat1
......@@ -118,7 +127,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon1
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(5559.7461, west);
EXPECT_FLOAT_EQ(5559.9209, west);
// east (should equal west)
distance = greatCircleDistance(lat1
......@@ -142,7 +151,7 @@ TEST(radix, greatCircleDistance){
, lat1
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4430.4688, distance);
EXPECT_FLOAT_EQ(4430.6079, distance);
// north
distance = greatCircleDistance(lat2
......@@ -150,7 +159,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4427.5361, distance);
EXPECT_FLOAT_EQ(4427.6748, distance);
// west
double west = greatCircleDistance(lat1
......@@ -158,7 +167,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon1
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(5559.7461, west);
EXPECT_FLOAT_EQ(5559.9209, west);
// east (should equal west)
distance = greatCircleDistance(lat1
......@@ -182,7 +191,7 @@ TEST(radix, greatCircleDistance){
, lat1
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4430.4688, distance);
EXPECT_FLOAT_EQ(4430.6079, distance);
// north
distance = greatCircleDistance(lat2
......@@ -190,7 +199,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon2
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(4427.5361, distance);
EXPECT_FLOAT_EQ(4427.6748, distance);
// west
double west = greatCircleDistance(lat1
......@@ -198,7 +207,7 @@ TEST(radix, greatCircleDistance){
, lat2
, lon1
, EARTH_RADIUS_MEAN);
EXPECT_FLOAT_EQ(5559.7461, west);
EXPECT_FLOAT_EQ(5559.9209, west);
// east (should equal west)
distance = greatCircleDistance(lat1
......@@ -224,5 +233,5 @@ TEST(radix, greatCircleVolume)
, lon2
, EARTH_RADIUS_MEAN
, EARTH_RADIUS_MEAN+1);
EXPECT_FLOAT_EQ(24624134, volume);
EXPECT_FLOAT_EQ(24625680, volume);
}
radixmath/util.cc
View file @ 190e9909
......@@ -167,4 +167,9 @@ Real cspanf(Real value, Real begin, Real end)
}
}
Real hpaToAltitude(Real hpa)
{
return 0.3048 * (1 - std::pow(hpa/1013.25, 0.190284)) * 145366.45;
}
} // namespace radix
radixmath/util.hh
View file @ 190e9909
......@@ -16,6 +16,12 @@
namespace radix
{
/**
* @brief hpaToAltitude converts hectorpascals or millibars to altitude (meters)
* @param hpa hectorpascals in millibars
* @return altitude in meters
*/
Real hpaToAltitude(Real hpa);
/**
* @brief cspanf returns a value in the interval (begin,end]
* This function is used to reduce periodic variables to a standard range.
......
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