Package javax.measure.converter

Examples of javax.measure.converter.UnitConverter.convert()

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    public static double convert(GeometryDescriptor descriptor, double distance, String unit) {
        Unit<?> fromUnit = Unit.valueOf(unit);
        Unit<?> toUnit = getUnit(descriptor);
        UnitConverter c = fromUnit.getConverterTo(toUnit);
        return c.convert(distance);

    }

    // -----------------------------------------------------
    //  Spatial relation comparison methods
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                final UnitConverter converter = sourceUnit.getConverterTo(targetUnit);
                if (!converter.isLinear()) {
                    throw new ConversionException(Errors.format(
                              ErrorKeys.NON_LINEAR_UNIT_CONVERSION_$2, sourceUnit, targetUnit));
                }
                final double offset = converter.convert(0);
// JSR-275      final double scale  = converter.derivative(0);
                final double scale  = converter.convert(1) - offset;
                matrix.setElement(j,i, element*scale);
                matrix.setElement(j,sourceDim, matrix.getElement(j,sourceDim) + element*offset);
            }
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                    throw new ConversionException(Errors.format(
                              ErrorKeys.NON_LINEAR_UNIT_CONVERSION_$2, sourceUnit, targetUnit));
                }
                final double offset = converter.convert(0);
// JSR-275      final double scale  = converter.derivative(0);
                final double scale  = converter.convert(1) - offset;
                matrix.setElement(j,i, element*scale);
                matrix.setElement(j,sourceDim, matrix.getElement(j,sourceDim) + element*offset);
            }
        }
        return matrix;
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                            // TODO: use the localization provided in 'swapAxis'. We could also
                            //       do a more intelligent work by checking the unit scale type.
                            throw new ConversionException("Unit conversion is non-linear");
                        }
// JSR-275              final double scale = converter.derivative(0);
                        final double scale = converter.convert(1) - converter.convert(0);
                        if (Math.abs(scale) <= 1) {
                            // The candidate is a "smaller" unit than the current one
                            // (e.g. "m" instead of "km"). Keeps the "largest" unit.
                            continue;
                        }
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                            // TODO: use the localization provided in 'swapAxis'. We could also
                            //       do a more intelligent work by checking the unit scale type.
                            throw new ConversionException("Unit conversion is non-linear");
                        }
// JSR-275              final double scale = converter.derivative(0);
                        final double scale = converter.convert(1) - converter.convert(0);
                        if (Math.abs(scale) <= 1) {
                            // The candidate is a "smaller" unit than the current one
                            // (e.g. "m" instead of "km"). Keeps the "largest" unit.
                            continue;
                        }
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        ensureNonNull("unit",         unit);
        if (unit.isCompatible(NonSI.DEGREE_ANGLE)) {
            final UnitConverter fromDegrees = NonSI.DEGREE_ANGLE.getConverterTo(unit);
            final AxisDirection dir = direction.absolute();
            if (dir.equals(AxisDirection.NORTH)) {
                final double range = Math.abs(fromDegrees.convert(90));
                minimum = -range;
                maximum = +range;
                rangeMeaning = RangeMeaning.EXACT; // 90°N do not wraps to 90°S
                return;
            }
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                maximum = +range;
                rangeMeaning = RangeMeaning.EXACT; // 90°N do not wraps to 90°S
                return;
            }
            if (dir.equals(AxisDirection.EAST)) {
                final double range = Math.abs(fromDegrees.convert(180));
                minimum = -range;
                maximum = +range;
                rangeMeaning = RangeMeaning.WRAPAROUND; // 180°E wraps to 180°W
                return;
            }
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            this.converters = converters;
        }
        double sum = 0;
        for (int i=0; i<converters.length; i++) {
            final UnitConverter  c = converters[i];
            final double delta = c.convert(coord1[i]) - c.convert(coord2[i]);
            sum += delta*delta;
        }
        return new Measure(Math.sqrt(sum), unit);
    }

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            this.converters = converters;
        }
        double sum = 0;
        for (int i=0; i<converters.length; i++) {
            final UnitConverter  c = converters[i];
            final double delta = c.convert(coord1[i]) - c.convert(coord2[i]);
            sum += delta*delta;
        }
        return new Measure(Math.sqrt(sum), unit);
    }

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                               final Unit<Length> units,
                               final boolean hasHeight)
    {
        this.hasHeight = hasHeight;
        final UnitConverter converter = units.getConverterTo(SI.METER);
        a   = converter.convert(semiMajor);
        b   = converter.convert(semiMinor);
        a2  = a*a;
        b2  = b*b;
        e2  = (a2 - b2) / a2;
        ep2 = (a2 - b2) / b2;
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