72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Autodesk.Revit.DB;
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namespace KDCS.Utils
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{
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public class Unit
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{
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#region Methods
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/// <summary>
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/// Convert the value get from RevitAPI to the value indicated by DisplayUnitType
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/// </summary>
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/// <param name="to">DisplayUnitType indicates unit of target value</param>
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/// <param name="value">value get from RevitAPI</param>
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/// <returns>Target value</returns>
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public static double CovertFromAPI(DisplayUnitType to, double value)
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{
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return value *= ImperialDutRatio(to);
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}
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/// <summary>
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/// Convert a value indicated by DisplayUnitType to the value used by RevitAPI
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/// </summary>
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/// <param name="value">Value to be converted</param>
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/// <param name="from">DisplayUnitType indicates the unit of the value to be converted</param>
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/// <returns>Target value</returns>
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public static double CovertToAPI(double value, DisplayUnitType from)
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{
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return value /= ImperialDutRatio(from);
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}
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/// <summary>
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/// Get ratio between value in RevitAPI and value to display indicated by DisplayUnitType
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/// </summary>
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/// <param name="dut">DisplayUnitType indicates display unit type</param>
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/// <returns>Ratio </returns>
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private static double ImperialDutRatio(DisplayUnitType dut)
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{
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switch (dut)
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{
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case DisplayUnitType.DUT_DECIMAL_FEET: return 1;
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case DisplayUnitType.DUT_FEET_FRACTIONAL_INCHES: return 1;
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case DisplayUnitType.DUT_DECIMAL_INCHES: return 12;
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case DisplayUnitType.DUT_FRACTIONAL_INCHES: return 12;
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case DisplayUnitType.DUT_METERS: return 0.3048;
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case DisplayUnitType.DUT_CENTIMETERS: return 30.48;
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case DisplayUnitType.DUT_MILLIMETERS: return 304.8;
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case DisplayUnitType.DUT_METERS_CENTIMETERS: return 0.3048;
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default: return 1;
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}
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}
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/// 피트 -> MM 변환
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public static double FeetToMM(double value)
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{
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if (value == 0) return 0;
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return value *= 304.8;
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}
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/// MM -> 피트 변환
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public static double MMToFeet(double value)
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{
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if (value == 0) return 0;
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return value /= 304.8;
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}
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#endregion
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}
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}
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