SuyongJin-ARCH653-Project-1

ARCH 653 Building Information Modeling in Architecture_Project2_Final

Final Project - Accessing BIM Data for Creative Design and Applications

-Parametric BIM through API: develop your BIM API application using the techniques we have studied in the course.

1. Concept

Energy Saving Lighting by lighting fixture controlled by window parameter through API

2. Projects Ideas

Nowadays, energy saving lighting is one of the important factors to be considered when we design the building. Not only it is an instrument that makes environment bright functionally, but it also improves the energy efficiency. In this project, I would like to make a lighting fixture controlled by window parameter such as width and height of window. Also, I will apply aesthetic factors by changing lighting fixture color. These intensity and color of light will be changeable by area of the window and window application. It will decorate the house more colorfully and provide cost saving efficiency, which will provide this house more attraction with nice roofs.

3. Initial Model

I plan a lighting which attached wall and will generate different intensity and color according to the size of window and by selecting color at the window application.


Figure 1 Exterior Model	Figure 2 Interior Model

4. C# Programming Code

Based on RoomTableChair_V1 as a template file, this programming codes use a type parameter of lighting which will be the one of the portion for lighting initial intensity and color filter. First, the form1 is used because I would like to input the width, height and color of the window. Because I control the type parameter, all of windows’ size in this room will be changed by the same. To apply the variable both form and command files, I assign the static variables in region 0. The detailed codes are like below.

Figure 3 #region 0. & #region 1.

In the region 0, I used some variables by public static double because it should have a reaction with command file and form1 file. Each of variables has a value such as ‘4’, because if they assigned with ‘null’ or ‘0’, it does not work well. By processing inputting exact value when the form 1 shows, the result value will be change correctly.

Figure 4 #region 2.

In the region 2, I used id to get the window and light family instance. I assigned each of them as a type parameter. I do not need to assign all of window family instance separately. By changing one of window’s size values, all of window’s size which is the same family will be changed.

Figure 5 #region 3.

In the region 3, I get type parameters of the objects from family instance. Also, window parameters are divided by ‘windowHeightTypeParam’ and ‘windowWidthTypeParam’ to control each of them. To get the light parameter, I used the ‘BuiltInParameter’ because light factors are grouped which make me control each of them separately.

Figure 6 List of BuiltInParameter

http://thebuildingcoder.typepad.com/blog/2009/04/deeper-parameter-exploration.html

Figure 7 #region 4. & #region 5.

In the region 4, I get values of the parameters. Height and Width parameters are converted to double variables such as ‘windowHeight’ and ‘windowWidth’ to get specific values. Also, I converted imperial unit to metric unit because I used metric unit in the Revit and C# program get the value by imperial unit.

In the region 5, message box show the user some information about initial height and width of windows and initial intensity of light.

Figure 8 #region 6. & #region 7.

In the region 6, the values of height and width of wind will be input. Each of them will be converted to the imperial units.

In the region 7, I assigned ‘double lightIntensity’ to get the value of light intensity. Because if size of window (ftHeight * ftWidth) becomes larger, the daylight will be larger, I used inverse proportion and multiplied the proper values like 100000.

Figure 9 #region 8.

In the region 8, I set parameters of objects by using new values that the user input. Also, message box provide changed value of light intensity.

Figure 10 Window Application

Form1 shows that user choose the height and width of windows and color of light. If user clicks the OK button, the values will transfer to the command file. I used ‘if else’ for the selecting the color.

Figure 11 Button1_Click Codes

5. Process of the operating


Step1. Initial Height of window	Step2. Initial Width of window

Step3. Initial Intensity of Light	Step4. Input the values

Step5. Current Height of Window	Step6. Current Width of Window

Step7. Current Intensity of Light	Step8. Changed Window Size

Step9. Changed Intensity of Light	Step10. Initial Window Size

6. Results of Images

- Variation of the intensity of light according to the size of light

Figure 12 400X400_58000

Figure 13 400X800_29000

Figure 14 400x1200_19000

These images show how the intensity of light affects according to the size of windows. As the size of windows gets larger, the intensity of light gets smaller which can call ‘energy saving lighting’.

- Variation of the color of light according to selecting in Form1.

Figure 15 400_1200_19000_high_blue

Figure 16 400_1200_19000_high_cyan

Figure 17 400_1200_19000_high_green

Figure 18 400_1200_19000_high_magenta

These images show the variation of the lighting’s color. By changing the color of lighting, people who live in this house can enjoy nice atmosphere.

Arch 653 Project 1

Charles Francis Annesley Voysey’s Homestead as a BIM_based Parametric Model

Figure 1. CFA Voysey (Source: http://www.artsandcraftsdesign.com/Voysey/VoyseyTheHomesteadDetails.html)

Figure 2. CFA Voysey

Charles Francis Annesley Voysey’s Homestead is consisted of second floor with various gable roofs. Even though floor plans are simple, creating gable roofs were a little bit complex. At first, by using floor plans from a phaidon book, I adjusted scale. After that, I imported dwg files from auto cad at every floor and a site plan. After creating walls, floors, and ceiling, I created gable roofs by using roof by footprint, roof by extrusion, join and join roof.

The picture in Figure 1 shows the outcomes of Charles Francis Annesley Voysey’s Homestead. Generally, it has “L” formation and a tilted roof. As a BIM-based parametric model that we have studied at class such as baluster, I tried to make a parametric window. There are many windows that have different dimension horizontally, which will be very helpful for me to understand BIM-based parametric model as well as to learn basic knowledge about the Revit program.

In the window parametric family, I calculated the number of mullion by using an array with variable, count_WidMullion. I assigned width and depth by using some variables such as Frame_HT, Frame_WT, Mullion_width, and so on. Also, I made some paterials such as Frame_M, Glass_M and Mullion_M which enables them to change after loading into the project. I made some formulas such as “W1=Width-Frame_WT” and “H1=Heignt/2-Frame_HT”.

The parametric design diagram and formulas can be seen from Figure 3.