Master's Thesis - Computer Graphics and Visualization - TU Delft

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5.1.4 Export an end user application Chapter 3 has already introduced how to export an end user application and showed a picture. So this chapter will not repeat this part. 5.2 Test and Feedback A rapid prototyping approach is taken in the whole developing process. The first version of the prototype had been developed in about a month. In that version the sequence model and the network model are implemented. Then in the following several months, the prototype is continually improved by showing it to customers, analyzing customers’ feedbacks, and developing. Finally this prototype is given to 6 users to do testing. The features of these 6 people and the tasks are shown in Table 5-1. Table 5-1 Testing Test Job Familiar Familiar Type Tasks Working subjects with the with the platform Culgi Culgi Library? GPE? A PhD student in No No novice DPD Windows Mathematics Simulation XP B Post Doc in No No novice DPD Windows Computational chemist. Simulation XP C A student in No No novice DPD Windows Chemistry Simulation XP and and Hybrid Windows Simulation NT D Post Doc in Yes No novice Hybrid Linux Computational Simulation And chemistry. Windows XP E Post Doc in Yes Yes experienced Not specified Windows Computational chemist. user XP F The writer of the Yes Yes experienced Not specified Windows Culgi Library user XP The test was held for three hours after a short introduction about how to use the Culgi GPE. The test subjects worked on their own PC at the same time. After one hour, several of them had finished a DPD simulation program. And at the end of the testing, all the subjects who have assignment finished their programs. Meanwhile, all the subjects also gave their opinions and feedback. In the rest of this section, some important feedback which will affect the next step of work are given out. - 48 -
Feedbacks from the novices of Culgi 1) When the test subjects program in the sequence model for the first time, they don’t know which modules are necessary to their task and how the ordering of the modules should be. They want to get more help information on the general steps of the simulation program in the sequence model. This problem happened because as novices of Culgi, they had no idea about how to build a simulation program with Culgi. That’s why the concept model is designed. As described in chapter 2, each kind of simulation program of Culgi has its own general structure. To build a valid simulation program with the Culgi Library, these structures should be followed. The Concept Model is designed to show the pipeline. Another solution to this problem is to add some constraints on modules. For example, if Module A has to be before Module B, the module B should not be created if module A has not been created yet. But this solution is not applied because it is too complicated to enumerate all possibilities of on the constraints on modules. 2) The test subjects like the concept model because it provides templates to certain kinds of programs. In this prototype, the template of “DPD simulation” programs is provided. In future, other templates like “Mesodyn simulation” and “Hybrid simulation” should be provided. 3) About the names of the parameters of a module, the subjects have different opinions. For example, the properties to a molecule or a bead. This is because in the different research areas, there are various names to one property. This problem could be solved because with the Module Editor, users can modify an existing module and save it as a user’s new module. For different users in different fields, they can have their own modules. 4) The subjects also gave out some suggestions in default value of some parameters in the modules. For example, a property which describes the interaction between two molecules, named “A”, has the default value 25. But the users thought that this default value should change according to the type of the modules. For example, this value of between two kinds of molecules should be 80, so the default value in this case should be appeared as 80. This requirement cannot be solved in the Culgi GPE level, because the Culgi GPE is just an interface on the Culgi Library. All the default values to the properties are from the values of the Culgi Library. Feedbacks from the skilled users of Culgi 1) The subjects like that each module has just one line of source code, because they are familiar with commands in the Culgi Library. The advantage is that modules with one line of code can bring them the same flexibility as in the text editor. In addition, compared to the modules with several lines of code, modules with one line of code are something they were already familiar with. This problem can be easily solved by the Module Editor (See 4.2.3 ). Users can make new modules as they like with this tool. 2) They also like the concept model because it improves the programming efficiency if the template of the target program is given. More templates should be provided in the future. - 49 -
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A Graphical Programming Environment
Page 5 and 6:
Preface This project started in Sep
Page 7 and 8: Abstract Culgi stands for Chemistry
Page 9 and 10: Contents Abstract..................
Page 11 and 12: Chapter 1 Introduction Culgi stands
Page 13 and 14: elationship model (see Figure 1-3).
Page 15 and 16: Chapter 2 Requirement Analysis This
Page 17 and 18: loop in which users only need to sp
Page 19 and 20: Primary actor: -Simulation Program
Page 21 and 22: Req04 Select a module in the librar
Page 23 and 24: Chapter 3 Design Models In chapter
Page 25 and 26: also generates the same result as (
Page 27 and 28: 3.3 The Concept Editor 3.3.1 Descri
Page 29 and 30: (a) Step1 Build Box Step2 Create Vi
Page 31 and 32: 3.5.1 Multi view of modules In the
Page 33 and 34: 3.5.2 Various widgets to display a
Page 35 and 36: a correct order. These source codes
Page 37 and 38: Chapter 4 Implementation of the Cul
Page 39 and 40: library. Meanwhile, the interface p
Page 41 and 42: For example, in Figure 3-5(b), the
Page 43 and 44: The Module Editor is a tool for cre
Page 45 and 46: corresponding operations. Figure 4-
Page 47 and 48: The second problem is about how to
Page 49 and 50: sequence. From these approaches, we
Page 51 and 52: Chapter 5 Results and Test The prev
Page 53 and 54: (a) Before click. (b) After an item
Page 55 and 56: instance of the module setDPDEnviro
Page 57: (a) Make only “Oil” visible (b)
Page 61 and 62: Chapter 6 Conclusion The goal of th
Page 63 and 64: Chapter 7 Bibliography [1] Craig La
Page 65 and 66: Appendix A. Class Diagrams Figure A
Page 67 and 68: Figure A-4 Class Diagram of “Sequ
Page 69 and 70: Appendix B. Tables Table B-1 Functi
Page 71 and 72: Table B-3 Functionalities of Class
Page 73 and 74: Table B-5 Functionalities of class
Page 75 and 76: Table B-7 Properties of input param
Page 77 and 78: Appendix C. DPD Simulation # DPD Si
Page 79: $plot SetSize 400 400 $plot Load My
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Master's Thesis - Computer Graphics and Visualization - TU Delft

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