HDevelop User's Manual

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18 CHAPTER 2. GRAPHICAL USER INTERFACE Sometimes it is very helpful to record user interactions as a sequence of operators in the program. To do so, you select this option. From now on interactions are inserted as a program line in the program window. For example, select the graphic color red by choosing the appropriate menu inserts the program line into the program window. Ú×ØÓÐÓÖ´³Ö³µ ¯ ËÓÛ ÎÖÐ Í× If you activate a variable (by single-clicking on it) all lines in the program that contain the variable are marked on the left with a black frame. This works with iconic and control variables. You can activate one iconic and one control variable simultaneously. Each activated variable is marked by a black background for the name in the variable window. ¯ ËÓÛ ÄÓÛ ÄÚÐ ÖÖÓÖ× Low level errors of HALCON are normally invisible for the user because they are transferred into more comprehensive error messages or simply ignored. Activating this item generates a message box each time a low level error occurs. ¯ ÙØÓÑØ ÈÖÓÖÑ ËÚ If you activate this option, the program is automatically saved before each execution of the program, i.e., before a Run or Step operation. The file name the program is saved to is the file name of the current program. Therefore, if you create a new program you have to select Ð º ËÚ ×ººº manually first to give the program afilename. ¯ ËÝÒØÜ Using a combo box, you may specify the output mode inside the program window. Depending on the mode, each HALCON or HDevelop operator is shown in a specific syntax like ÀÐÓÒÚÐÓÔ (default syntax) or . ¯ Ø× With this checkbox, you can control how many digits of floating point numbers are displayed in the Variable window. The selected number is the total number of digits displayed. Therefore, if you have selected four digits, the result of the following assignment ××Ò ´ØÒ´½µ¸ ÈÁµ is displayed as 3.142. Note that the changes do not take effect until the values of the variables are actually updated by running the program, i.e., the the variables are not redisplayed automatically. Before continuing your HDevelop session, you have to close the option window by pressing the button Ç or by cancelling the action. If ÁÒ×ÖØ ÁÒØÖØÓÒ× is activated, the changes applied inside the dialog will result in automatic operator insertion after pressing ÇÃ. Ð º ÅÓÙÐ×ººº The menu item Ð º ÅÓÙÐ×ººº opens a window, in which the HALCON modules used by the current program are displayed (see figure 2.8). This window allows you to get an estimate of how many modules your application would need in a runtime license. Only calls to the HALCON library are taken into account for the computation of the modules, HDevelop / 2000-11-16
2.3. MAIN WINDOW 19 and not HDevelop control structures like ××Ò or Ð×, or HDevelop operators like Ú ÓÔÒ ÛÒÓÛ or Ú ×Ø ÓÐÓÖ. Therefore, when you export your program to C, C++, or Visual Basic, the actual number of modules required may be higher than the modules displayed in the Module window, depending on how many operators you add to the program, e.g., for visualization purposes. Figure 2.8: The modules window. Ð º ÉÙØ The menu item Ð º ÉÙØ terminates HDevelop without saving the current program. 2.3.2.2 The Menu Item Ø In this menu item you find all necessary functions to modify a HDevelop program in the program window (see chapter 2.4). You have the following items to choose from: Ø º ÍÒÓ You may undo your previous activities by clicking Ø º ÍÒÓ. For example, by clicking three times this item you cancel the last three user actions. Ø º ÙØ (keyboard shortcut ØÖÐ ) You may use the items Ø º ÙØ, Ø º ÓÔÝ, andØ º È×Ø for changing the program contents. First you have to select the part of the program (at least one program line) that has to be changed (use the left mouse button). Then you may delete this part by clicking the item Ø º ÙØ. The deleted program part is stored in an internal buffer. Thus, by using the item Ø º È×Ø (keyboard shortcut ØÖÐ Î) the buffer remains unchanged. Ø º ÓÔÝ (keyboard shortcut ØÖÐ ) By clicking ÓÔÝ you store the selected program lines directly in an internal buffer. HALCON 6.0
Page 1 and 2: HALCON Version 6.0 MVTec Software G
Page 3 and 4: About This Manual This manual is a
Page 5 and 6: Contents 1 Introducing HDevelop 1 1
Page 7 and 8: Contents iii comment . . . . . . .
Page 9 and 10: Chapter 1 Introducing HDevelop In f
Page 11 and 12: 1.2. EXAMPLE SESSION 3 Figure 1.1:
Page 13 and 14: 1.2. EXAMPLE SESSION 5 Figure 1.2:
Page 15 and 16: 1.3. ADDITIONAL SOURCES OF INFORMAT
Page 17 and 18: Chapter 2 Graphical User Interface
Page 19 and 20: 2.3. MAIN WINDOW 11 Figure 2.1: The
Page 21 and 22: 2.3. MAIN WINDOW 13 A security chec
Page 23 and 24: 2.3. MAIN WINDOW 15 a directory whe
Page 25: 2.3. MAIN WINDOW 17 Figure 2.7: The
Page 29 and 30: 2.3. MAIN WINDOW 21 Figure 2.10: Ma
Page 31 and 32: 2.3. MAIN WINDOW 23 2.3.2.4 The Men
Page 33 and 34: 2.3. MAIN WINDOW 25 Figure 2.13: On
Page 35 and 36: 2.3. MAIN WINDOW 27 in a graphics w
Page 37 and 38: 2.3. MAIN WINDOW 29 Figure 2.16: On
Page 39 and 40: 2.3. MAIN WINDOW 31 Figure 2.17: Co
Page 41 and 42: 2.3. MAIN WINDOW 33 Figure 2.18: Se
Page 43 and 44: 2.3. MAIN WINDOW 35 Figure 2.20: Se
Page 45 and 46: 2.3. MAIN WINDOW 37 Figure 2.23: Ex
Page 47 and 48: 2.3. MAIN WINDOW 39 output paramete
Page 49 and 50: 2.3. MAIN WINDOW 41 is registered i
Page 51 and 52: 2.3. MAIN WINDOW 43 ËÙ×ØÓÒ×
Page 53 and 54: 2.3. MAIN WINDOW 45 ÏÒÓÛ º ×
Page 55 and 56: 2.3. MAIN WINDOW 47 Figure 2.31: Th
Page 57 and 58: 2.5. OPERATOR WINDOW 49 The program
Page 59 and 60: 2.5. OPERATOR WINDOW 51 Please refe
Page 61 and 62: 2.6. VARIABLE WINDOW 53 operator ha
Page 63 and 64: 2.6. VARIABLE WINDOW 55 aspect rati
Page 65 and 66: 2.7. GRAPHICS WINDOW 57 Figure 2.38
Page 67 and 68: Chapter 3 Language The following ch
Page 69 and 70: 3.2. CONTROL TYPES AND CONSTANTS 61
Page 71 and 72: 3.4. OPERATIONS ON ICONIC OBJECTS 6
Page 73 and 74: 3.5. EXPRESSIONS FOR INPUT CONTROL
Page 75 and 76: 3.5. EXPRESSIONS FOR INPUT CONTROL
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3.5. EXPRESSIONS FOR INPUT CONTROL
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3.6. RESERVED WORDS 77 ÓÖ, ÜÓÖ
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3.8. LIMITATIONS 79 In the followin
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Chapter 4 Code Generation The idea
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4.1. CODE GENERATION FOR C++ 83 Ì
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4.1. CODE GENERATION FOR C++ 85 tha
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4.2. CODE GENERATION FOR VISUAL BAS
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4.3. CODE GENERATION FOR C 89 4.3 C
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4.4. GENERAL ASPECTS OF CODE GENERA
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Chapter 5 Program Examples This cha
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5.2. CAPILLARY VESSEL 95 ÚÐÓ×Û
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5.2. CAPILLARY VESSEL 97 Figure 5.3
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5.3. PARTICLES 99 each. Now it is e
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5.4. ANNUAL RINGS 101 ÚÐÖÛÒÓ
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5.5. BONDING 103 Figure 5.9: Exampl
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5.7. DEVICES 105 Figure 5.11: Calib
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5.7. DEVICES 107 Figure 5.13: Resis
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5.8. CELL WALLS 109 Figure 5.15: Mi
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5.10. EXCEPTION HANDLING 111 Figure
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5.11. ROAD SCENE 113 any case. All
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5.11. ROAD SCENE 115 tures. Hence a
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Chapter 6 Miscellaneous This chapte
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6.5. RESTRICTIONS 119 Figure 6.1: E
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2 APPENDIX A. CONTROL ÌÙÔÐ½
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4 APPENDIX A. CONTROL Attention For
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6 APPENDIX A. CONTROL Result retur
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8 APPENDIX A. CONTROL ÚÙÔØÛÒ
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10 APPENDIX A. CONTROL HDevelop / 2
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12 APPENDIX B. DEVELOP Attention If
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14 APPENDIX B. DEVELOP Ú ÓÔÒ Û
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16 APPENDIX B. DEVELOP Ú Ò×ÔØ
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18 APPENDIX B. DEVELOP Parallelizat
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20 APPENDIX B. DEVELOP º ÀØ (inp
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22 APPENDIX B. DEVELOP ’black’
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24 APPENDIX B. DEVELOP Parameter º
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26 APPENDIX B. DEVELOP Parameter º
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28 APPENDIX B. DEVELOP If ÊÓÛ½
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30 APPENDIX B. DEVELOP Ú ×Ø ÛÒ
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32 APPENDIX B. DEVELOP Possible Suc
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34 APPENDIX B. DEVELOP See Also Ú
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36 APPENDIX B. DEVELOP HDevelop / 2
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38 APPENDIX C. GLOSSARY Operator wi
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40 Index Ú ×Ø ÔÖØ, 27, 39 Ú
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42 Index Operator Data base, 37 Nam
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44 Index HDevelop / 2000-11-16
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