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create/src/Base/UnitsSchemaMeterDecimal.cpp
2023-11-16 00:24:09 +01:00

92 lines
3.5 KiB
C++

/***************************************************************************
* Copyright (c) WandererFan <wandererfan@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
/* Metric units schema intended for design of large objects
* Lengths are always in metres.
* Areas are always in square metres
* Volumes are always in cubic metres
* Angles in decimal degrees (use degree symbol)
* Velocities in m/sec
*/
#include "PreCompiled.h"
#ifdef __GNUC__
#include <unistd.h>
#endif
#include <QString>
#include "UnitsSchemaMeterDecimal.h"
using namespace Base;
QString UnitsSchemaMeterDecimal::schemaTranslate(const Base::Quantity& quant,
double& factor,
QString& unitString)
{
Unit unit = quant.getUnit();
if (unit == Unit::Length) {
// all length units in metres
unitString = QString::fromLatin1("m");
factor = 1e3;
}
else if (unit == Unit::Area) {
// all area units in square meters
unitString = QString::fromLatin1("m^2");
factor = 1e6;
}
else if (unit == Unit::Volume) {
// all area units in cubic meters
unitString = QString::fromLatin1("m^3");
factor = 1e9;
}
else if (unit == Unit::Power) {
// watts
unitString = QString::fromLatin1("W");
factor = 1000000;
}
else if (unit == Unit::ElectricPotential) {
// volts
unitString = QString::fromLatin1("V");
factor = 1000000;
}
else if (unit == Unit::HeatFlux) {
// watts per square metre
unitString = QString::fromLatin1("W/m^2");
factor = 1.0;
}
else if (unit == Unit::Velocity) {
// metres per second
unitString = QString::fromLatin1("m/s");
factor = 1e3;
}
else {
// default action for all cases without special treatment:
unitString = quant.getUnit().getString();
factor = 1.0;
}
return toLocale(quant, factor, unitString);
}