bool ossimSlopeUtil::initialize(const ossimKeywordlist& kwl)
{
clear();
// Base class first:
if (!ossimUtility::initialize(kwl))
return false;
ossimString value;
value = kwl.find(CENTER_KW);
if (!value.empty())
{
vector <ossimString> coordstr;
value.split(coordstr, ossimString(" ,"), false);
if (coordstr.size() == 2)
{
m_centerGpt.lat = coordstr[0].toDouble();
m_centerGpt.lon = coordstr[1].toDouble();
m_centerGpt.hgt = 0.0;
}
}
m_demFile = kwl.find(DEM_KW);
if (m_demFile.empty())
m_demFile = kwl.find(ossimKeywordNames::ELEVATION_CELL_KW);
kwl.getBoolKeywordValue(m_remapToByte, REMAP_KW);
m_lutFile = kwl.find(LUT_KW);
value = kwl.find(ROI_KW);
if (!value.empty())
m_aoiRadius = value.toDouble();
m_slopeFile = kwl.find(ossimKeywordNames::OUTPUT_FILE_KW);
if (value.empty())
{
ostringstream msg;
msg <<"No output slope file provided."<<ends;
ossimException e (msg.str());
throw e;
}
if (m_demFile.empty() && m_centerGpt.hasNans())
{
ostringstream msg;
msg <<"No center point provided and no DEM file provided. Cannot compute slope image."<<ends;
ossimException e (msg.str());
throw e;
}
return initializeChain();
}
bool ossimViewshedUtil::initialize(const ossimKeywordlist& kwl)
{
// Base class first:
if (!ossimUtility::initialize(kwl))
return false;
ossimString value;
m_demFile = kwl.find("dem_file");
if (m_demFile.empty())
m_demFile = kwl.find(ossimKeywordNames::ELEVATION_CELL_KW);
value = kwl.find("fov");
if (!value.empty())
{
vector <ossimString> coordstr;
value.split(coordstr, ossimString(" ,"), false);
if (coordstr.size() == 2)
{
m_startFov = coordstr[0].toDouble();
m_stopFov = coordstr[1].toDouble();
if (m_startFov < 0)
m_startFov += 360.0;
}
}
value = kwl.find("gsd");
if (value.empty())
value = kwl.find(ossimKeywordNames::METERS_PER_PIXEL_KW);
if (!value.empty())
m_gsd = value.toDouble();
value = kwl.find("height_of_eye");
if (!value.empty())
m_obsHgtAbvTer = value.toDouble();
m_horizonFile = kwl.find("horizon_file");
m_lutFile = kwl.find("lut_file");
value = kwl.find("observer");
if (!value.empty())
{
vector <ossimString> coordstr;
value.split(coordstr, ossimString(" ,"), false);
if (coordstr.size() == 2)
{
m_observerGpt.lat = coordstr[0].toDouble();
m_observerGpt.lon = coordstr[1].toDouble();
m_observerGpt.hgt = 0.0;
}
}
value = kwl.find("radius");
if (!value.empty())
m_visRadius = value.toDouble();
value = kwl.find("reticle");
if (!value.empty())
m_reticleSize = value.toInt32();
kwl.getBoolKeywordValue(m_threadBySector, "thread_by_sector");
kwl.getBoolKeywordValue(m_simulation, "simulation");
kwl.getBoolKeywordValue(m_outputSummary, "summary");
value = kwl.find("size");
if (!value.empty())
m_halfWindow = value.toInt32();
value = kwl.find(ossimKeywordNames::THREADS_KW);
if (!value.empty())
m_numThreads = value.toInt32();
value = kwl.find("values");
if (!value.empty())
{
vector <ossimString> coordstr;
value.split(coordstr, ossimString(" ,"), false);
if (coordstr.size() == 3)
{
m_visibleValue = coordstr[0].toUInt8();
m_hiddenValue = coordstr[1].toUInt8();
m_observerValue = coordstr[2].toUInt8();
}
}
m_filename = kwl.find(ossimKeywordNames::OUTPUT_FILE_KW);
if (value.empty())
{
ostringstream msg;
msg <<"No output file name provided."<<ends;
ossimException e (msg.str());
throw e;
}
// Verify minimum required args were specified:
if (m_demFile.empty() && (m_visRadius == 0) && (m_halfWindow == 0))
{
ostringstream msg;
msg << "ossimViewshedUtil::initialize ERR: Keywordlist is underspecified." << ends;
ossimException e (msg.str());
throw e;
}
return initializeChain();
}
