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Introduction to Macro Writing

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Presentation on theme: "Introduction to Macro Writing"— Presentation transcript:

1 Introduction to Macro Writing
Kate Morrical AutoCAD LT Technical Marketing Manager

2 Customization Without Programming

3 Agenda What’s in: What’s out: Writing Macros Using DIESEL in Macros
Using Macros in CUI Elements Using Macros in Tool Palettes The Action Recorder What’s out: Linetypes Hatch Patterns Dynamic Blocks Scripts LISP/VBA/.NET/Everything Else

4 Text Conventions AutoCAD-generated command line text
USER-GENERATED TEXT OR NUMBERS Enter, left-click or other special characters

5 Writing Macros Start with “want” statement First example:
“I want to…” First example: “I want to draw a circle with a radius of 1 unit.” Command line entry: Command: CIRCLE (enter) Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: (left-click) Specify radius of circle or [Diameter]: 1 (enter)

6 Writing Macros, cont. Put the pieces together: circle;\1;
Not quite done yet, though.

7 Writing Macros, cont. What if a command were running when you started the macro? You’d need to cancel it… ^C^C ^C^Ccircle;\1; What if this was used in a non-English version of AutoCAD? You’d need to translate the command _circle ^C^C_circle;\1;

8 Detour: CUI Topics & Tool Palettes
Skipping to Page 16 of the handout Switch to LT to demo pp of handout

9 Demo

10 Back on Track: Writing Macros
Special Characters Semicolon (;) Blank Space ( ) Backslash (\) Underscore (_) Dash/Hyphen (-) Asterisk (*) Caret (^) Dollar Sign ($) Example: Create Multiple Circles *^C^C_circle;\1;

11 Demo

12 Rotate By Fixed Angle Rotate an object by 180 degrees every time
Command: ROTATE (enter) Current positive angle in UCS: ANGDIR=counterclockwise ANGBASE=0 Select objects: (left-click) 1 found Select objects: (enter) Specify base point: (left-click) Specify rotation angle or [Copy/Reference] <0>: 180(enter)

13 Rotate By Fixed Angle Clear any running commands
^C^C Start the rotate command _rotate; Let the user pick the object to rotate \ End the “select object” mode ; Let the user pick the base point Specify the rotation angle and end the command 180; Put it all together: ^C^C_rotate;\;180;

14 Demo

15 Copy and Rotate Copy an object and then rotate it
Clear any running commands ^C^C Start the copy command _copy; Let the user pick the object to copy \ End the “select object” mode ; Let the user pick the base point and the second point \\

16 Copy and Rotate, cont. Put it all together: Start the rotate command
Select the last object created L; End the “select object” mode ; Use the coordinates of the last point specified @; Let the user specify the rotation angle \ Put it all together:

17 Demo

18 Macros for Dialog-Based Commands
Need to use command-line version Type out the command, pay attention to every time you pick an option or press Enter. Hatches -hatch Blocks -insert Layers -layer

19 Create a Hatch Create a hatch with: A pattern of ANSI37 A scale of 4
And a rotation of 45 degrees Using the “select objects” method

20 Create a Hatch, cont. Command: -HATCH (enter) Current hatch pattern: ANSI31 Specify internal point or [Properties/Select objects/draW boundary/remove Boundaries/Advanced/DRaw order/Origin/ANnotative]: P (enter) Enter a pattern name or [?/Solid/User defined] <ANSI31>: ANSI37 (enter) Specify a scale for the pattern <1.0000>: 4 (enter) Specify an angle for the pattern <0>: 45 (enter)

21 Create a Hatch, cont. Current hatch pattern: ANSI37 Specify internal point or [Properties/Select objects/draW boundary/remove Boundaries/Advanced/DRaw order/Origin/ANnotative]: S(enter) Select objects:(left-click) 1 found Select objects: (enter) Specify internal point or [Properties/Select objects/draW boundary/remove Boundaries/Advanced/DRaw order/Origin/ANnotative]: (enter)

22 Create a Hatch, cont. Replace all (left-click) with backslash and all (enter) with semi-colons: ^C^C-hatch;p;ANSI37;4;45;s;\;;

23 Demo

24 Insert a Block Insert a specified block with: A scale of 12
And a rotation of 90 degrees

25 Insert a Block, cont. Command: -INSERT (enter) Enter block name or [?]: SAMPLE (enter) Units: Inches Conversion: Specify insertion point or [Basepoint/Scale/X/Y/Z/Rotate]: S (enter) Specify scale factor for XYZ axes <1>: 12 (enter) Specify insertion point or [Basepoint/Scale/X/Y/Z/Rotate]: R (enter) Specify rotation angle <0.0000>: 90 (enter) Specify insertion point or [Basepoint/Scale/X/Y/Z/Rotate]: (left-click)

26 Insert a Block, cont. Replace all (left-click) with backslash and all (enter) with semi-colons: ^C^C-insert;sample;s;12;r;90;\ Insert the same block exploded: ^C^C-insert;*sample;\12;90; Insert the block and explode it after placement: ^C^C-insert;sample;s;12;r;90;\explode;L; Insert the block, explode it after placement, then purge: ^C^C-insert;sample;s;12;r;90;\explode;L; -purge; B;sample;N;

27 Demo

28 Create a Layer Command: -LAYER (enter) Current layer: "0" Enter an option [?/Make/Set/New/Rename/ON/OFF/Color/Ltype/LWeight/MATeria l/Plot/Freeze/Thaw/LOck /Unlock/stAte/Description/rEconcile]: M (enter) Enter name for new layer (becomes the current layer) <0>: S-ANNO-TEXT (enter) /Unlock/stAte/Description/rEconcile]: C (enter) New color [Truecolor/COlorbook] : 1 (enter) Enter name list of layer(s) for color 1 (red) <S-ANNO- TEXT>: (enter)

29 Create a Layer, cont. Enter an option [?/Make/Set/New/Rename/ON/OFF/Color/Ltype/LWeight/MATeria l/Plot/Freeze/Thaw/LOck /Unlock/stAte/Description/rEconcile]: L (enter) Enter loaded linetype name or [?] <Continuous>: continuous (enter) Enter name list of layer(s) for linetype "continuous" <S-ANNO-TEXT>: (enter) /Unlock/stAte/Description/rEconcile]: (enter)

30 Create a Layer, cont. Replace all (enters) from previous slides with semi-colons: ^C^C-layer;M;S-ANNO-TEXT;C;1;;L;Continuous;;; What if your linetype isn’t loaded? Load it first! ^C^C-insert;*LT_beam_removed;0,0;1;;-layer ;M;S-BEAM-STEL-DEMO;C;1;;L;BEAM_REMOVED;;;

31 Demo

32 Plot a Drawing Command: -PLOT (enter) Detailed plot configuration? [Yes/No] <No>: N(enter) Enter a layout name or [?] <Layout1>: Layout1 (enter) Enter a page setup name <>: Setup1 (enter) Enter an output device name or [?] <HP Officejet 4300 series>: (enter) Write the plot to a file [Yes/No] <N>: (enter) Save changes to page setup [Yes/No]? <N>: (enter) Proceed with plot [Yes/No] <Y>: (enter)

33 Plot a Drawing, cont. Replace all (enters) from previous slide with semi-colons: ^C^C-plot;N;Layout1;Setup1;;;;;

34 Demo

35 Repeating Macros Can’t use Enter or Spacebar to repeat macros
Can use right-click shortcut menu Unless the macro was launched from the Ribbon (known issue)

36 Bringing Macros Through Upgrades
Only thing to watch out for is changes in command options or names For example Introduction of PEDITACCEPT meant you could skip a step in the PEDIT command—broke a few macros that way

37 DIESEL Direct Interpretively Evaluated String Expression Language
Always preceded with a dollar sign $M=$(diesel expression here) Operators go first $M=$(+,2,3) $M=$(/,12,4)

38 Using Variables in DIESEL
Start by using GETVAR to retrieve variable value: $(getvar,DIMSCALE) Then do some math with it: $M=$(*,$(getvar,DIMSCALE),0.25) Finally put it into a command: ^C^C^Rfillet;r;<need number here>; ^C^C^Rfillet;r;$M=$(*,$(getvar,DIMSCALE),0.25);

39 Demo

40 More DIESEL Macros Two more macros that use DIMSCALE:
Start with: $M=$(*,$(getvar,DIMSCALE),0.125) Set single-line text height based on DIMSCALE: ^C^C_dtext;<need number here>; ^C^C_dtext;\$M=$(*,$(getvar,DIMSCALE),0.125); Set multi-line text height based on DIMSCALE: ^C^C_mtext;\h;<need number here>;\ ^C^C_mtext;\h;$M=$(*,$(getvar,DIMSCALE),0.125);\

41 Demo

42 Conditional Expressions
DIESEL IF function similar to Excel IF function $M=$(if,expression,true,false) Expression: statement to evaluate True: command sequence if expression is true False: command sequence if expression is false Good for toggling values

43 Conditional Expressions, cont.
Build macro for toggling cursor size from 5% of screen to 100% of screen Verbalize IF function: “If the CURSORSIZE variable is already set to 100, change it to 5. If it’s not 100, change it to 100. Verbalize the expression: “Is the cursor size already 100%?” Write the expression: $(=,$(getvar,CURSORSIZE),100)

44 Conditional Exprsesions, cont.
Verbalize the TRUE condition: “If the expression is true, set the cursor size to 5%.” Write the TRUE condition: CURSORSIZE;5 Verbalize the FALSE condition: “If the expression is false, set the cursor size to 100%.” Write the FALSE condition: CURSORSIZE;100 Put it all together: $M=$(if,expression,true,false) $M=$(if,$(=,$(getvar,CURSORSIZE),100), CURSORSIZE;5,CURSORSIZE;100)

45 Demo

46 User Variables 10 built-in variables Five for integers
Can’t rename, can’t use more Five for integers USERI1 through USERI5 Five for real numbers (with decimal points) USERR1 through USERR5

47 User Variables, cont. Use a variable to automatically increment the value of a block attribute Start the Insert command and place the block: Block definition must already exist in the drawing or in one of the support paths! ^C^C-insert;label;\;; Retrieve current value of USERI1: $M=$(getvar,USERI1) Use USERI1 as attribute value: Block definition should contain only one attribute! USERI1;

48 User Variables, cont. Increase the value of USERI1 by 1:
$M=$(+,$(getvar,USERI1),1); Put it all together: *^C^C-insert;label;\;;$M=$(getvar,USERI1); USERI1;$M=$(+,$(getvar,USERI1),1); Asterisk repeats the command multiple times You do have to remember to reset the value of USERI1 every time you run the macro

49 The Action Recorder 2 3 4 5 1 Demo hatch macro from earlier in presentation 6 7

50 The Action Recorder Guidelines for Creating Action Macros
Don’t use dialog-based commands OR Use the command-line equivalent for dialog boxes Don’t accept the default entry for commands Place macros in read-only folders for sharing

51 Demo

52 Any Questions? How to reach me: More resources
LT Unlimited: More resources (forums & ATP classes) Please remember to take the class survey sometime today (they’re really important!) Thanks for coming, and enjoy the rest of AU!

53


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