(NIL ((.02653913 45.5 NIL) (OPENCURVE ((266.656 . 138.4687) (272.656 . 138.4687) (279.656 . 138.4687) (285.656 . 138.4687) (290.656 . 138.4687) (297.6561 . 138.4687) (306.1561 . 137.9687 ) (312.1561 . 138.9687)) (ROUND 2 7) NIL NIL)) ((.02609649 100.2378 NIL) (OPENCURVE ((182.485 . 78.97084) (205.6415 . 128.6019) (211.7143 . 153.3992) (207.6658 . 177.1844) (202.6051 . 179.2087) (202.6051 . 140.2415) (202.485 . 80.97084) (202.9258 . 83.53884) (203.1112 . 103.8046) (211.2083 . 125.5655) (232.9692 . 125.5655) (226.3903 . 107.3471) (203.3576 . 99.26328) (203.2843 . 99.33652) (216.775 . 93.17716) (226.1166 . 81.97962) (232.7262 . 79.57611) (240.0245 . 79.47523)) (ROUND 2 7) NIL ((LINE 150 6.235261) NIL))) ((.03004386 32.43637 NIL) (OPENCURVE ((240.5135 . 79.87654) (255.8359 . 90.99278) (257.3804 . 111.4116) ( 248.2712 . 109.3873) (247.2591 . 92.6871) (258.2394 . 80.77787) (269.656 . 78.97523)) (ROUND 2 7) NIL NIL)) ((.03004386 98.68322 NIL) (OPENCURVE ((267.7956 . 79.02326) (278.9291 . 81.55361) (285.9039 . 86.78664) (289.2087 . 99.7055) (289.0504 . 133.1725) (288.0383 . 159.488) ( 288.5444 . 177.7065) (288.5444 . 177.7065) (289.0504 . 146.8363) (288.656 . 117.4687) ( 289.0504 . 97.2417) (292.5135 . 87.08708) (297.3205 . 81.0783) (301.5267 . 79.87654)) (ROUND 2 7) NIL NIL)) ((.03004386 43.77735 NIL) (OPENCURVE ((301.8271 . 80.17699) (312.204 . 84.16274) (319.553 . 103.9116) (334.977 . 107.9479) (339.3819 . 99.40506) (339.0815 . 99.10462) ( 334.4709 . 107.4419) (319.2525 . 103.6112) (316.2525 . 88.21128) (323.8435 . 79.60813) ( 334.977 . 79.10206) (345.6045 . 79.60813)) (ROUND 2 7) NIL NIL)) ((.0478415 100.8834 NIL) ( OPENCURVE ((346.1105 . 79.60813) (357.244 . 91.75376) (368.8835 . 130.721) (372.9321 . 154.0001) (368.3775 . 179.3035) (362.8107 . 177.7853) (363.8229 . 150.9637) (364.329 . 127.1785) (364.7558 . 81.59387) (364.9192 . 87.68794) (372.426 . 121.1057) (394.2139 . 118.6469) (398.1903 . 88.10624) (400.2875 . 78.6689) (412.715 . 78.42012)) (ROUND 2 7) NIL ( NIL (LINE 30 7.898634)))) ((.05 104.0 NIL) (OPENCURVE ((171.485 . 171.9708) (155.485 . 187.9709) (131.485 . 187.9709) (115.485 . 163.9708) (123.485 . 139.9708) (155.485 . 131.9708) (171.485 . 115.9708) (171.485 . 99.97084) (155.485 . 83.97084) (123.485 . 83.97084) (114.985 . 85.47084)) (ROUND 2 7) NIL (NIL NIL))) ((.750522 256.0 NIL) (ELLIPSE (262.9902 . 126.3665) (262.3233 . 233.0324) (500.3731 . 124.3575) -.4814659 (ROUND 2 7) NIL)) ((.2711257 70.49269 NIL) (TEXT (605.1125 . 92.18274) ("a drawing program for Interlisp-D") 5.422514 (LEFT BASELINE) (TIMESROMAN 10 (BOLD REGULAR REGULAR)) ((605.1125 75.91519 1225.488 81.33771)) NIL))) (0 0 2004.724 249.4357) 4.619179 8.0 Richard R. Burton Intelligent Systems Laboratory Xerox PARC Revision date: February 26, 1985 (C) copyright Xerox Corporation 1984, 1985. All rights reserved. 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The figures can be included (via copy-select) in Tedit documents to allow a mixture of text and graphics in the same document. This documentation was produced using Sketch. A sketch consists of "sketch elements". Sketch elements include text, lines, curves, boxes, circles and ellipses. Each element has one or more positions (called control points) that determine its location, and a set of properties such as brush. A sketch is viewed in one or more sketch windows that provide a region and scale. Within a window, the sketch can be edited by adding or deleting elements, or by changing the locations of control points or the values of properties. 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The most common method is by selecting Sketch from the background command menu. This will prompt for a region and open an empty sketch window there. A sketch that is in a Tedit document can be edited by pressing the left button in it and selecting the Edit Sketch item from the menu that appears. This will open a sketch window the same size as the sketch in the document. Also, the function SKETCHW.CREATE (described below) can be called. When you are finished with a sketch window, it can be closed. If you have made changes to the sketch without saving them on a file, it will ask you to confirm the closing. If the sketch window was created from a sketch in a Tedit document, you will be given a menu choice of whether or not the changes made to this window should be returned to the document. 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(NIL ((.05 13.0 NIL) (TEXT (129.0 . 128.0) ("Positions" "type in") 1.0 (RIGHT BASELINE) ( HELVETICA 12) ((63.0 131.0 66.0 13.0) (80.0 118.0 49.0 13.0)) NIL)) ((.1 32.0 NIL) (WIRE ( (177.0 . 108.0) (177.0 . 128.0) (145.0 . 128.0)) 1)) ((.1 44.0 NIL) (BOX (165.0 32.0 56.0 88.0) 2)) ((.1 12.0 NIL) (BOX (173.0 80.0 8.0 24.0) 2)) ((.1 12.0 NIL) (BOX (189.0 80.0 8.0 24.0) 2)) ((.1 40.0 NIL) (CLOSEDWIRE ((193.0 . 108.0) (193.0 . 148.0)) 1)) ((.1 12.0 NIL ) (BOX (205.0 80.0 8.0 24.0) 2)) ((.1 28.0 NIL) (WIRE ((209.0 . 108.0) (209.0 . 128.0) ( 237.0 . 128.0)) 1)) ((.05 13.0 NIL) (TEXT (245.0 . 124.0) ("Extends text" "selection") 1.0 ( LEFT BASELINE) (HELVETICA 12) ((245.0 127.0 90.0 13.0) (245.0 114.0 66.0 13.0)) NIL)) ((.05 13.0 NIL) (TEXT (189.0 . 8.0) ("Mouse button functions in a sketch window") 1.0 (CENTER BASELINE) (HELVETICA 14 (MEDIUM REGULAR REGULAR)) ((23.0 5.0 333.0 15.0)) NIL)) ((.05 13.0 NIL ) (TEXT (193.0 . 156.0) ("Draws lines") 1.0 (CENTER BASELINE) (HELVETICA 12) ((151.0 153.0 85.0 13.0)) NIL))) (0 0 391.0652 174.4573) 1.170854 8.0 The left button is used to position typed in characters. If this position is not within existing text, a caret shape ( 1`) will appear and when characters are typed, a new piece of text will be centered around that position. (Note: The alignment of the text relative to this position can be changed. See the sections below on the change command and the defaults command.) (NIL ((.05 12.0 NIL) (TEXT (128.0 . 64.0) ("Put the cursor" "where the new text" "should be.") 1.0 (CENTER BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) ((93.0 71.0 70.0 9.0) (81.0 62.0 95.0 9.0) (103.0 53.0 51.0 9.0)) NIL)) ((.1 17.88854 NIL) (CIRCLE (128.0 . 24.0) ( 136.0 . 32.0) (ROUND 2 7) NIL)) ((.05 12.0 NIL) (TEXT (128.0 . 24.0) ("1") 1.0 (CENTER CENTER) (HELVETICA 18 (MEDIUM REGULAR REGULAR)) ((123.0 14.0 10.0 19.0)) NIL)) ((.1 56.0 NIL) (OPENCURVE ((168.0 . 24.0) (224.0 . 24.0)) (ROUND 2 7) NIL (NIL (LINE 30.0 8.0)))) ((.05 12.0 NIL) (TEXT (264.0 . 72.0) ("Type the text." "In this case, %"a box%".") 1.0 (CENTER BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) ((230.0 74.0 68.0 9.0) (211.0 65.0 107.0 9.0)) NIL)) ((.05 12.0 NIL) (TEXT (264.0 . 24.0) ("2") 1.0 (CENTER CENTER) (HELVETICA 18 ( MEDIUM REGULAR REGULAR)) ((259.0 14.0 10.0 19.0)) NIL)) ((.1 17.88854 NIL) (CIRCLE (264.0 . 24.0) (272.0 . 32.0) (ROUND 2 7) NIL)) ((.05 12.0 NIL) (TEXT (192.0 . 160.0) ( "Steps to insert new text") 1.0 (CENTER BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((106.0 157.0 173.0 13.0)) NIL)) ((.1 4 NIL) (SKIMAGEOBJ {(BMOBJ.GETFN2)!  p.#1!8!! !! 1!t.#} (248.0 104.0 42.0 34.0) 1.0 (0 . 0))) ((.1 4 NIL) (SKIMAGEOBJ {(BMOBJ.GETFN2)$8l``} (112.0 80.0 21.0 36.0) 1.0 (0 . 0))) ((.1 56.0 NIL) (BOX (208.0 48.0 112 88) 1)) ((.1 56.0 NIL) (BOX (72.0 48.0 112 88) 1))) (0 0 331.0 181.0) 1.0 8.0 If the position of the cursor is in existing text when the left button is released, a vertical bar (00000000000000) will appear between the existing characters. The right button can then be used to extend the selection within the text and any text so selected will be deleted when the next character is typed. (NIL ((.1 17.88854 NIL) (CIRCLE (352.0 . 20.0) (360.0 . 28.0) (ROUND 2 7) NIL)) ((.05 12.0 NIL) (TEXT (352.0 . 20.0) ("3") 1.0 (CENTER CENTER) (HELVETICA 18 (MEDIUM REGULAR REGULAR)) ( (347.0 10.0 10.0 19.0)) NIL)) ((.1 52.0 NIL) (BOX (300.0 36.0 104 96) 1)) ((.05 12.0 NIL) ( TEXT (352.0 . 60.0) ("Type the new characters." "In this case, %"B%".") 1.0 (CENTER BASELINE) ( HELVETICA 8 (MEDIUM REGULAR REGULAR)) ((289.0 62.0 126.0 9.0) (309.0 53.0 86.0 9.0)) NIL)) ( (.1 4 NIL) (SKIMAGEOBJ {(BMOBJ.GETFN2)(x!< D z!} (328.0 92.0 52.0 31.0) 1.0 (0 . 0))) ((.05 12.0 NIL) (TEXT (220.0 . 60.0) ("Put the cursor" "after the characters" "to be deleted" "and press the right button") 1.0 (CENTER BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) (( 185.0 71.0 70.0 9.0) (172.0 62.0 97.0 9.0) (188.0 53.0 65.0 9.0) (157.0 44.0 127.0 9.0) ) NIL)) ((.1 56.0 NIL) (BOX (164.0 36.0 112.0 96.0) 1)) ((.1 17.88854 NIL) (CIRCLE (220.0 . 20.0) (228.0 . 28.0) (ROUND 2 7) NIL)) ((.05 12.0 NIL) (TEXT (220.0 . 20.0) ("2") 1.0 ( CENTER CENTER) (HELVETICA 18 (MEDIUM REGULAR REGULAR)) ((215.0 10.0 10.0 19.0)) NIL)) ((.05 12.0 NIL) (TEXT (84.0 . 60.0) ("Put the cursor" "in front of the characters" "to be deleted" "and press the left button") 1.0 (CENTER BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) ((49.0 71.0 70.0 9.0) (23.0 62.0 123.0 9.0) (52.0 53.0 65.0 9.0) (24.0 44.0 120.0 9.0)) NIL)) ((.1 56.0 NIL) (BOX (28.0 36.0 112.0 96.0) 1)) ((.1 17.88854 NIL) (CIRCLE (84.0 . 20.0) ( 92.0 . 28.0) (ROUND 2 7) NIL)) ((.05 12.0 NIL) (TEXT (84.0 . 20.0) ("1") 1.0 (CENTER CENTER) (HELVETICA 18 (MEDIUM REGULAR REGULAR)) ((79.0 10.0 10.0 19.0)) NIL)) ((.1 56.0 NIL) ( OPENCURVE ((124.0 . 20.0) (180.0 . 20.0)) (ROUND 2 7) NIL (NIL (LINE 30.0 8.0)))) ((.1 48.0 NIL) (OPENCURVE ((268.0 . 20.0) (316.0 . 20.0)) (ROUND 2 7) NIL (NIL (LINE 30.0 8.0)))) (( .1 4 NIL) (SKIMAGEOBJ {(BMOBJ.GETFN2)& x H< 0D 0 Hz ``00} (68.0 92.0 72.0 28.0) 1.0 (0 . 0))) ((.1 4 NIL) ( SKIMAGEOBJ {(BMOBJ.GETFN2)&x H<0D0Hz ``00} (196.0 92.0 47.0 28.0) 1.0 (0 . 0))) ((.05 12.0 NIL) (TEXT ( 220.0 . 148.0) ("Steps to edit existing text") 1.0 (CENTER BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((128.0 145.0 185.0 13.0)) NIL))) (0 0 443.0 165.0) 1.0 4.0 The middle button is used to construct straight lines. Pressing the middle button will cause the cursor to change to p1a AAa 1p and an      to track the cursor (though only on grid points - described in section below on "grid"). Releasing the button marks the beginning of the line. Pressing the middle button again will stretch a line from the beginning point to the cursor. This line will move until the middle button is released again. More lines can be added by pressing the middle button. Each line starts where the previous one ended. To start a new series of lines, press either the left or the right mouse button. (The series of lines will be reset when you select on of the menu command discussed below.) The drawing of any line segment can be stopped by moving the mouse outside the window. This does not start a new series of lines; moving back into the window and pressing the middle button will pick up where the last line ended. Sketch Editing Menu The Sketch menu (shown in the second figure) provides commands to add elements other than text and lines and commands to modify existing elements. In most cases, it will be visible at the right of the sketch window. The menu can be closed by right buttoning in it and selecting close from the presented menu. After you close it, or if it wasn't visible in the first place, it can be retrieved by depressing the middle mouse button in the title bar. If more than one command is going to be executed, it is convenient to keep the menu visible. This is achieved by selecting Fix Menu from the Sketch menu (see Fix Menu below). Select commands with the left or middle mouse button. The standard Interlisp-D window command menu can be retrieved by pressing the right button while the cursor in the title bar of the window. The Redisplay command is sometimes useful for cleaning up the display in the sketch window which may get "dirtied" when elements are deleted or moved. The Shape command is used to change the size and shape of the sketch window. The size of the sketch window determines the size a sketch occupies when it is inserted into a text document. Commands to add elements to the sketch The following commands add different elements to the sketch. After selecting one of these commands you will be prompted to specify where in the sketch window you want the new element to be. $ 00%0HR0ȉR0U0Ԏ%00  to add a "text box", a box within which text flows. Prompts for a region which becomes the box. Whenever the caret is inside of a text box, the characters typed become part of the text within the box. The text in a box is broken into lines that fit within the width of the box. The justification properties of the text specify the position of the text within the box. If a word in the text is wider than the box width, it spills over. If there are more lines than fit in the height of the box, they spill over also. The characters outside the box cannot be selected for editing. The dimensions of the box are changed by using the Move or Move Point command on either corner point of the box.    to sketch boxes. Prompts for a region which becomes the box.  8psp8`  to connect a series of points with a closed (first and last points are connected) collection of straight lines. The points that the lines go through (its control points) are placed by moving the cursor to the desired position and depressing any mouse button. The lines are drawn through the knots, when a mouse button is clicked when the cursor is outside the window. To cancel this command, click the button with the cursor outside the window before entering any knots.   0`a3  to connect a series of points with an open (first and last points are not connected) collection of straight lines. See  8psp8` procedure.  0>sa`<060`fp0g`pp00pp>  to sketch an ellipse. The figure below shows the relationships between the three control points of an ellipse. First, indicate the center of the ellipse by depressing the left mouse button in the window. Second, indicate the semi-major axis by depressing the left mouse button in the window. This second point will be an axis point on the ellipse. Finally, indicate the semi-minor axis by depressing the left mouse button in the window. The second radius will be determined by the distance the third point is from the center point. This command can be canceled by clicking outside the window. (NIL ((.05 12.0 NIL) (TEXT (17.0 . 154.0) ("The distance (d) from the" "third point to the center is" "the minor radius of the ellipse.") 1.0 (LEFT BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) ((17.0 161.0 127.0 9.0) (17.0 152.0 129.0 9.0) (17.0 143.0 152.0 9.0)) NIL)) ((.1 4.0 NIL) (BOX (240.0 156.0 8.0 8.0) 2)) ((.0329309 98.79272 NIL) ( ELLIPSE (160.0 . 108.0) (164.0 . 148.0) (244.0 . 160.0) 31.75948 (ROUND 2 7) NIL)) ((0.0 8.0 NIL) (OPENCURVE ((264.0 . 176.0) (256.0 . 172.0) (248.0 . 168.0)) (ROUND 1 7) NIL (NIL NIL)) ) ((0.0 50.0 NIL) (OPENCURVE ((264.0 . 216.0) (240.0 . 192.0) (204.0 . 148.0) (168.0 . 116.0)) (ROUND 1 7) NIL (NIL NIL))) ((.05 12.0 NIL) (TEXT (268.0 . 172.0) ("2nd point:" "major radius point") 1.0 (LEFT BASELINE) (HELVETICA 10) ((268.0 176.0 61.0 12.0) (268.0 164.0 109.0 12.0)) NIL)) ((0.0 18.0 NIL) (WIRE ((164.0 . 144.0) (160.0 . 108.0)) 1 ((LINE 30.0 6.0) (LINE 30.0 6.0)) NIL)) ((0.0 16.5 NIL) (WIRE ((136.0 . 141.0) (160.0 . 108.0)) 1 ((LINE 30.0 6.0) (LINE 30.0 6.0)) NIL)) ((.05 12.0 NIL) (TEXT (149.0 . 128.0) ("d") 1.0 (CENTER BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) ((146.0 126.0 6.0 9.0)) NIL)) (( .01512346 4.0 NIL) (BOX (160.0 140.0 8.0 8.0) 2)) ((0.0 44.0 NIL) (OPENCURVE ((260.0 . 132.0) (228.0 . 136.0) (204.0 . 140.0) (172.0 . 144.0)) (ROUND 1 7) NIL NIL)) ((.05 12.0 NIL) (TEXT (167.0 . 126.0) ("d") 1.0 (CENTER BASELINE) (HELVETICA 8 (MEDIUM REGULAR REGULAR)) (( 164.0 124.0 6.0 9.0)) NIL)) ((.1 4.0 NIL) (BOX (156.0 104.0 8.0 8.0) 2)) ((.05 12.0 NIL) (TEXT (268.0 . 212.0) ("1st point:" "center") 1.0 (LEFT BASELINE) (HELVETICA 10) ((268.0 216.0 56.0 12.0) (268.0 204.0 38.0 12.0)) NIL)) ((.05 12.0 NIL) (TEXT (268.0 . 128.0) ( "3rd point:" "determines minor radius") 1.0 (LEFT BASELINE) (HELVETICA 10) ((268.0 132.0 58.0 12.0) (268.0 120.0 146.0 12.0)) NIL)) ((.05 12.0 NIL) (TEXT (162.0 . 15.0) ( "The control points for an ellipse") 1.0 (CENTER BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((46.0 12.0 233.0 13.0)) NIL))) (0 0 395.0 232.0) 1.0 4.0  ?p``p00p``p?  to sketch a circle. First, indicate the center of the circle by depressing the left mouse button in the window. Finally, indicate a point of the circumference of the circle by depressing the left mouse button in the window. This command can be canceled by clicking outside the window. Sketch Element Selection The commands delete, copy, change and move apply to existing elements in the sketch. These commands are used by first selecting the command from the editing menu, then specifying the element or elements to apply the command to. When Sketch is expecting you to select elements, the control points will be highlighted with a box as shown below. (NIL ((.1 4 NIL) (SKIMAGEOBJ {(BMOBJ.GETFN2)ffffffffffffp㻎8Αݷu]m[ouY3333333333330jouffffffffffffpooݻuwqٟ㽎0c3333333333330   ? F F F   @ @ @ @ @ @ @ @ @ @ @ @ @ @ x`@ `@ @ @ @ @ @ @ @ @ @ @ @ @@@#@#@#@<###@@C## @0g<f{ cyx@@@  # # F# F# # xM~# J#!O O H@xHx@@@ <} (132.0 39.0 211.0 198.0) 1.0 (0 . 0))) ((.05 13.0 NIL) (TEXT (228.0 . 15.0) ("A sketch window in selection mode" "(control points visible)") 1.0 (CENTER BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((99.0 18.0 258.0 13.0) (148.0 5.0 161.0 13.0)) NIL)) ((.05 13.0 NIL) (TEXT (116.0 . 127.0) ("control" "point") 1.0 (RIGHT BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((65.0 130.0 51.0 13.0) (80.0 117.0 36.0 13.0)) NIL)) ((.1 40.0 NIL) (OPENCURVE ((164.0 . 144.0) (152.0 . 140.0) (144.0 . 132.0) ( 124.0 . 127.0)) (ROUND 1 7) NIL (NIL (LINE 30 10.0))))) (0 0 356.0 238.0) 1.0 4.0 While the control points are visible, elements are selected by the following protocol. An element can be selected by placing the cursor within the square surrounding any of its points and clicking the left button. A group of elements can be selected by moving the cursor to one corner of the group, pressing the left button, then while holding the left button down, sweeping to the opposite corner. This will select all elements in the swept out area. A selected element can be deselected when the left button is held down by also holding down the right button. All visible parts of the sketch can be selected by clicking the left button twice in the same square. The elements selected will be marked by having their control points blackened. The move command also works on points as well as complete elements. To select a point, place the cursor within the square surrounding that point and clicking the left button. A second immediate click (double clicking) of the left button will select the element of which the point is a part. A third click will select all visible parts of the sketch. (NIL ((.1 12.0 NIL) (BOX (181.0 88.0 8.0 24.0) 2)) ((.1 44.0 NIL) (BOX (173.0 40.0 56.0 88.0) 2)) ((.05 13.0 NIL) (TEXT (137.0 . 136.0) ("Left only" "selects") 1.0 (RIGHT BASELINE) (HELVETICA 12) ((74.0 139.0 63.0 13.0) (85.0 126.0 52.0 13.0)) NIL)) ((.1 12.0 NIL) (BOX (197.0 88.0 8.0 24.0) 2)) ((.1 12.0 NIL) (BOX (213.0 88.0 8.0 24.0) 2)) ((.1 13.0 NIL) ( WIRE ((204.0 . 137.0) (204.0 . 150.0) (224.0 . 150.0)) 1)) ((.1 32.0 NIL) (WIRE ((185.0 . 115.0) (185.0 . 136.0) (153.0 . 136.0)) 1)) ((.1 28.0 NIL) (WIRE ((188.0 . 115.0) (198.0 . 137.0) (210.0 . 137.0) (216.0 . 115.0)) 1)) ((.05 12.0 NIL) (TEXT (234.0 . 149.0) ( "Left and Right" "deselects") 1.0 (LEFT BASELINE) (HELVETICA 12) ((234.0 152.0 103.0 13.0) ( 234.0 139.0 70.0 13.0)) NIL)) ((.05 13.0 NIL) (TEXT (197.0 . 16.0) ( "Mouse button functions during selection") 1.0 (CENTER BASELINE) (HELVETICA 14 (MEDIUM REGULAR REGULAR)) ((42.0 13.0 310.0 15.0)) NIL))) (0 0 372.6338 172.7987) 1.175501 8.0 Commands that modify Sketch elements Delete  deletes an element or group of elements. Note that delete cancels the element not just one point. All graphic objects are identified when delete is chosen, and the user must select the object(s) to be deleted using the protocol described above. To cancel this selection before deleting, place the cursor outside the sketch window and click a mouse button. Move  moves a selected control point, an element or a group of elements. If a single point is selected (see the section entitled Sketch Element Selection), the cursor will change to p1a AAa 1p , and a new location for that point should be selected by pressing the left button. To stop the move, select a point outside the sketch window. If an element or a group of elements is selected, an image of the selected elements will be shown on the screen and will follow the cursor until the left button is pressed and released. When the button is released, the selected elements will be moved to the shown locations. To stop the move, press the left button when the entire image is out of the window. (Note: An image containing curves or ellipses may be clipped at the edges. All of the displayed elements will be moved and redrawn when you let up the button.) (NIL ((.05 12.0 NIL) (TEXT (128.0 . 8.0) ("Move menu item showing submenu") 1.0 (CENTER BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((0.0 5.0 256.0 13.0)) NIL)) ((.1 4 NIL) ( SKIMAGEOBJ {(BMOBJ.GETFN2) UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUfffffffffgUUUUUUUUUUUUUU|<UUUUUUUUUUUUUUf 3333333333c fffffffffgc> >~>UUUUUUUUUUUUUUcc ccUUUUUUUUUUUUUUcc cc3333333333c c` ``fc cc|> >>`` NNNNys NdNys NdNys NdNys  NqNyr `x $L $L $L + 85 8`5 `+ a+ c5 c5 3c+ cc+ `>~cc5 `cscaq5 `cc3+ `cc6+ ccc5 3cs5 >~ s ` s  `x  `01?? 1133 `m11111 3`m?1111 c`m01111 `~<~?>a1133 `sfsgca1 `cccc5 `c>cc15 ccfcc`+ 3cfcgc c?c?>UUUUUUUUUUUUUU UUUUUUUUUUUUUU c > UUUUUUUUUUUUUU UUUUUUUUUUUUUU   p8UUUUUUUUUUUUUU 'W$UUUUUUUUUUUUUU %"=H '"%H $R%TUUUUUUUUUUUUUU 'R8UUUUUUUUUUUUUU   UUUUUUUUUUUUUU UUUUUUUUUUUUUU   UUUUUUUUUUUUUU UUUUUUUUUUUUUU } (0.0 40.0 286.0 83.0) 1.0 (0 . 0)))) (0 0 286.0 123.0) 1.0 8.0 The menu item for this command is followed by a gray triangle pointing to the right indicating a sub-menu (see figure). To retrieve the sub-menu, press down the left button, slide the cursor to the right through the triangle, and select the desired sub-command. When the desired item is found, release the button while over it. If you wish to choose a different menu command, slide to the left and the submenu will be withdrawn. The submenu commands for Move are: Move point  Moves a single control point. Select the point to be moved by pressing the left button and releasing it while the cursor is over it. The control point underneath the cursor will be blackened while the left button is down. When the button is released, the cursor will change to p1a AAa 1p. Specify a new location for the selected control point by pressing the left button. To stop the move, select a point outside the sketch window. Points can also be moved with the main menu Move command. This subcommand provides an easier method of selecting a point since it is not possible to mistakenly select the whole element. Move elements  Moves a element or collection of elements. This command is the same as the main menu Move command except that single points can not be specified. It provides an easier method of selecting an element since it is not possible to mistakenly select a single point. Move onto grid  Moves all of the control points of a selected element or elements onto the current grid. This is useful aligning a piece that is copied from another sketch that may have had a different grid. Copy  similar to Move except that it makes a copy of the selected elements in the new position. Note: Copy, delete and move can also be accomplished by using copy selection, deletion selection and move selection. Copy selection is done using the following steps: First click any mouse button in the sketch window. This makes sure you are "talking" to the sketch window. (If you "talking" to someother window, the selected sketch elements will be copied into that other window.) Next, hold down the "copy key." On Alto style keyboards, this is either SHIFT key; on Dandelion keyboards, it can be either SHIFT key or the COPY key. With the "copy key" held down, press the left mouse button. At this point, the selection control points will appear and you can use the method described above in the section "Sketch element selection" to select the elements you wish to copy. The selected elements will have their control points shaded with gray. When you have selected the right elements, release the mouse buttons, then release the "copy key". At this point, you will be prompted with an image of the selected elements which you should move into place. If you wish to stop "copy selection", move the cursor outside of the window with either button held down or place the image completely outside the sketch window. Deletion selection is similar. The difference is that the "delete key" is held instead of the "copy key". On Alto sytle keyboards, the "delete key" is the CTRL key; on Dandelion keyboards, it can be the PROPS key or the DELETE key. During deletion selection, the control points of selected elements are marked with  x}og0o}x. Move selection is also similar. For "move selection", both the "delete key" and the "copy key" are held down. During move selection, the control points of selected elements are marked with  ~ >. Change  enables the user to change the properties of an element or collection of elements. All graphic elements are identified when Change is chosen, and the user must select the elements to be changed. After selecting the elements to change, you will be presented a menu of ways to change them. The particular menu varies for different elements because each has different properties. If in doubt, select the object you want to change and see what choices are offered. Selecting outside of the offered menu will not change anything. If the selection contains elements of different types, the offered change will be for the type that is first selected and the change will be made to any other selected elements to which it is applicable. For example, if the first selected element is a line and you select LARGER, all of the selected lines, curves and boxes will be made larger. 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The first one specifies which end of the curve this change is to affect. The second one specifies the change to make. If a selected line or curve does not already have an arrowhead on it, any choice but Add Arrow from the second menu will do nothing. The choices in the first menu are: Left  change arrowhead at the leftmost end of the curve (topmost if ends have the same X position.) Right  change the arrowhead at the rightmost end of the curve (bottommost if ends have the same X position.) Both  change applies to the arrowheads at both ends of the curve. First  change applies to the arrowheads at the first control point to have been entered. Last  change applies to the arrowheads at the last control point to have been entered. The choices in the second menu are: Add Arrow  adds an arrowhead of the default specifications at the previously specified end or ends. If that end already has an arrowhead, nothing happens. Delete Arrow  deletes an arrowhead at the previously specified end or ends. If that end doesn't have an arrowhead, nothing happens. Wider  increases the angle of the arrowhead with respect to the line. Narrower  decreases the angle of the arrowhead with respect to the line. Larger  increases the length of the side of the arrowhead. Smaller  decreases the length of the side of the arrowhead. V shape  changes the shape of the arrowhead to be two sides. Triangle  changes the shape of the arrowhead to be two sides and a base. 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Size  same menus will be given as for Curves. Note: if you are entering many arrowheads, it is convenient to set the properties of the default arrowhead using the Defaults command before adding the arrows. Lines  change enables the user to change the arrowhead characteristics and the size in the same manner as Open Curves. Boxes  change enables the user to change the line thickness in the same manner as changing the brush size of Curves. Text boxes  change enables the user to change the line thickness of the box in the same manner as changing the brush size of Curves or the properties of the text as in Text. Other Sketch commands Group  collects a group of elements together. After the elements are grouped, they will have a single control point which is at their center. This is sometimes convenient to reduce the number of control points in a diagram or to more easily duplicate common parts of a figure. The elements in a group are moved, copied, deleted and changed together. If you want to change just one piece of a group, you must UnGroup it first. Groups can be included in other groups. UnGroup  restores the first selected group to its individual elements. Undo  to undo a previous command. Selecting this command will bring up a menu of past commands. Select the command which you wish to have undone. The most recent event is placed at the top of the menu. To cancel this command, click the button with the cursor outside the menu. In the menu, "Wire" refers to lines. If the same graphical element has been changed more than once, the changes to it must be undone in the reverse order in which they were done. The number of changes that are remembered is determined by the variable SKETCH.#.UNDO.ITEMS and is initially set to 30. If you which to save more or less changes, you can set SKETCH.#.UNDO.ITEMS to a larger or smaller number. To change it to 50, for example, type (SETQ SKETCH.#.UNDO.ITEMS 50) into the "Top level typescript window". Defaults  enables the user to change the default brush, text, text box and arrowhead characteristics. The default characteristics are the properties given to newly added lines, text or arrowheads. (The properties of an existing object can be changed by using the Change command above.) 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To retrieve the sub-menu, press down the left button, slide the cursor to the right through the triangle, and select the desired sub-command before releasing the button. Continue holding the button and slide through the desired sub-menu item to obtain the sub-sub-menus. When the desired item is found, release the button while over it. If you wish to choose a different item from a higher level menu, slide to the left and the submenus will be withdrawn. Line  enables the user to change the default line size. A pad of numbers is displayed from which the user chooses the size and clicks OK to exit. If the brush size is not to change, select OK when the size is 0 to cancel the command. A sub-menu allows the user to change the default brush shape or size. Shape  enables the user to change the brush shape. The most recent change becomes the default for all new elements created. Choose from the following sub-menu: Round, Square, Vertical, Horizontal, Diagonal Size  same as Line above. Add Arrowhead  enables the user to set whether or not newly added open lines and curves get arrowheads on either or both ends. After selecting this item, you will be given a menu of the following choices from which you can pick one or click outside, if you don't want to make any change. First, Last, Both, Neither, Left, Right Arrowhead  enables the user to change the default arrowhead size. A pad of numbers is displayed from which the user chooses the arrowhead size and clicks OK to exit. If the arrowhead size is not to change, select OK when the size is 0 to cancel the command. The arrowhead size is given in screen points. When the arrowhead is added, the screen point size is scaled to get its real sketch size. This size is then scaled as the line or curve scales. A sub-menu allows the user to change the default arrowhead size, angle and type. Size  same as Arrowhead above. Angle  enables the user to change the angle of the default arrowhead. A pad of numbers is displayed from which the user chooses the angle in degrees. If the arrowhead angle is not to change, select OK when the size is 0 to cancel the command . Type  enables the user to change the type of the default arrowhead. A menu of type is displayed from which the user chooses the new default. Currently there are two types: V-shape  the arrowhead consists of two lines from the head and Triangle  the arrowhead consists of a triangle (two lines from the head and a line connecting their endpoints.) Text  enables the user to change the size of new text. A menu of the known font sizes is displayed from which the user chooses the size. Note: not all fonts are available in all sizes. The sub-menu allows the user to change the size, face and alignment properties of new text. Size  same as Text above. Font  enables the user to change the font family property of new text. The user specifies a font family using the same method as when the font property of text is changed (described under the change command). If the specified font can not be found in the current default size, an error message is printed and the default is not changed. Horizontal alignment  enables the user to change the horizontal alignment property of new text. The choices are: Center, Left, Right Vertical alignment  enables the user to change the vertical alignment property of new text. A menu of alignments is displayed from which the user chooses the new default. The choices are: Top, Center, Baseline, Bottom Looks  enables the user to change the face property of new text. A menu of faces is displayed from which the user chooses the new default. The choices are: regular, bold, italic, bold/italic Text Box  enables the user to change the horizontal alignment of text within new text boxes. The default of text boxes is different from the default for text. Its initial setting is Center. The sub-menu allows the user to change the horizontal and vertical alignment properties of new text boxes. Horizontal alignment  enables the user to change the horizontal alignment property of text within new text boxes. The choices are: Center, Left, Right Vertical alignment  enables the user to change the vertical alignment property of text within new text boxes. A menu of alignments is displayed from which the user chooses the new default. The choices are: Top, Center, Baseline, Bottom Grid  displays and changes the grid which determines where points can be positioned on the display. When the grid is on, only points on the corners of the grid can be specified for any sketch operations. This makes it much easier to align parts of the sketch. The default is to have a grid turned on with a default grid size of about half centimeter. If the grid is off, any point can be selected. The main menu Grid item flips back and forth between using and not using the grid. Submenu items are available to display the grid and to change its size. The grid is always on a power of two in the sketch coordinate space. This means that same points are accessible on the grid as the sketch scale changes. (NIL ((.05 13.0 NIL) (TEXT (186.0 . 8.0) ("Sketch window with default grid displayed") 1.0 ( CENTER BASELINE) (HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((33.0 5.0 307.0 13.0)) NIL)) ((.1 4 NIL) (SKIMAGEOBJ {(BMOBJ.GETFN2)UUUUUUUUUUUUUUUUUUUUUUUUUUUPUUUUUUUUUUUUUUUUUUUUUUUUUUUPUP333333333333UwfffffffffffgPnvH[Μ͠Uz-m]P5Pm 333333333333U}m[}fffffffffffgP;l݌͠UPU@PU@PU@P@@@@@@@@@@@@U@PU@PU@PU@PU@PU@PU@PU@P@@@@@U@@@P@@U@@@P@@U@@@P@@U@@@P@@U@@@P@@U@@@P@@U@@@P@@U@@ @P@@@P d`@@@@@@U@@$@P@$@U@@ $ @P@ @U@@@P@@U@@@P@@U@@@P@@U@@@P@@U@@@P@@U@@@P@@@@@U@PU@PU@PU@PU@PU@PU@PU@@P@@@@`@@@@@@@U@PU@PU@PU@P`U@PU@P0U@ PU@P@@@@@@p@@@@@U@ PU@PU@`P@U@@P@U@@P@xU@A0P!F U@PPU@`P@@@@@@@@@@@U@ PU@PU@PU@PU@PU@P U@ P U@ P@@@@@@@ @@@@@U@ P U@!!P"@U@@P! 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If the grid points are a large distance apart, a message indicating how far apart the grid points are is displayed also. Remove grid display  will remove the grid display. Move view  changes the portion of the sketch that is visible in the window. The user specifies the new portion of the sketch that will appear in the window by depressing any mouse button at one corner and sweeping the cursor to the other corner (see next figure). The specified region will be outlined in gray. When the button is released, the portion of the sketch within the gray box will be scaled to fill the sketch window. The box will maintain the same aspect ratio as the window. The section may be smaller or larger than the current window size. This command can be cancelled by typing control-E. (Note: the sketch can be scrolled either horizontally or vertically using the standard Interlisp-D scroll bars at the left and bottom of the window.) Use the subitem Home to return the sketch to its original form. 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(1l0ŀ (IHI& D9$x  |I$@ $ u$8Ā } (344.0 72.0 129.0 131.0) 1.0 (0 . 0))) ((.1 16.0 NIL) (WIRE ((328.0 . 124.0) (312.0 . 108.0)) 5 NIL)) ((.1 16.0 NIL) (WIRE ((328.0 . 124.0) (312.0 . 140.0)) 5 NIL)) ((.1 88.0 NIL) (OPENCURVE ((232.0 . 132.0) (256.0 . 132.0) ( 296.0 . 132.0) (320.0 . 132.0)) (ROUND 5 7) NIL (NIL NIL))) ((.1 88.0 NIL) (OPENCURVE ((232.0 . 116.0) (256.0 . 116.0) (296.0 . 116.0) (320.0 . 116.0)) (ROUND 5 7) NIL (NIL NIL))) ((.05 13.0 NIL) (TEXT (240.0 . 10.0) ("Zooming out with %"Move view%"") 1.0 (CENTER BASELINE) ( HELVETICA 12 (MEDIUM REGULAR REGULAR)) ((127.0 7.0 226.0 13.0)) NIL))) (0 0 458.0 260.0) 1.0 8.0 The Move view command is followed by a gray triangle pointing to the right indicating a sub-menu. To retrieve the sub-menu, slide the cursor to the right through the triangle, and select the desired sub-command before releasing the button. The sub-menu gives the user other ways to change the view on the sketch. Zoom  does the same action as Move view. AutoZoom  changes the scale around a selected point. Holding the left button down will zoom in toward the cursor. Pressing the middle button will zoom out from the cursor. The amount of each scale jump is determined by the global variable AUTOZOOM.FACTOR and is initially .8. Holding either button down will zoom continuously in the appropriate direction. Use Home to return the sketch to its original form. Press any button outside the window to stop autozoom mode. Home  returns the user to a view at scale of 1.0 which has the origin in the lower left corner. This is useful if you lose the sketch after scrolling or using Zoom or AutoZoom. Locator  puts up a small window that displays the cursor's location in sketch coordinates whenever the cursor is inside the sketch window. New window  opens another window onto the same sketch. The second window can be scrolled or zoomed without affecting the view in the original window. This allows one window to act as an overview while the other can be used to blow up an intricate part of the sketch and make detailed changes. Any changes made to either of the windows are reflected in both windows. Hardcopy  sends the image in the window to the DEFAULTPRINTINGHOST. The image will be centered in the page. Hardcopy has a submenu that can change the display to hardcopy mode or makes a printer file of the current view of the sketch in either press or interpress format, and, optionally, sends it to the printer. Each of the subcommands has subitems that allow the choice of Press or Interpress. If the submenu is not used to specify the print format type, the type appropriate for the first entry on DEFAULTPRINTINGHOST is used. The subcommands are: File Only  Prompts for a file name and makes an image on it. Print Only  Prints the image but doesn't save the file. File & Print  Prompts for a file name, makes an image on it and print the image on DEFAULTPRINTINGHOST. Hardcopy Display  Displays the text in the window as close as possible to the way it will look when printed. Text fonts have significantly different widths on the display and on the PRESS printer. Normal Display  Displays the text in a way more easily read and edited on the screen. Put  Saves the sketch on a file. The sketch can be retrieved by the Get command. Sketches can also be saved by including them in Tedit documents (see below). Get  Retrieves a sketch from a file. Any elements in the window before the Get will still be there. Fix Menu  (appears in the pop up menu only) fixes menu to the right edge of the sketch window. Including image objects in a sketch Other Interlisp-D image objects (such as bitmaps) can be placed in sketches by using the standard copy-select mechanism. For example, to include a bitmap image, hold down the "copy select" key, move the cursor into the background, press the right button and select SNAP from the offered menu. Select the region of the screen to be included, move the cursor back into the sketch window and place the bitmap image (which should now be following the cursor) in place. (Note: image objects do not scale.) Image objects in sketches can be "moved", "copied" and "deleted" like an other elements. Calling "change" on an image object or pressing a button down while over its image in the sketch window will call that objects BUTTONEVENTINFN which is often an editor for the object. Putting sketches into Tedit documents Sketches can be included in documents by copy-selection. Select the location in the document where the sketch is to go. Hold down the 'copy select' key. Move the cursor into the sketch window and select the pieces of the sketch to be inserted. The whole sketch can be selected by double clicking on a sketch element. While selecting pieces, the right button will remove elements from the selection. When the desired elements have been selected, release the 'copy select' key. The sketch will be inserted into the document. The sketch will be the size of the window from which it is copied. To change its shape, reshape the sketch window. The copy selection process can be aborted by moving the cursor outside of the sketch window while a button is down. The sketch will be adjusted so that the lower left corner of the inserted sketch is on a grid point. This is done so the when the sketch is edited, the grid remains aligned with existing points. The grid can be made smaller before the copy insertion to reduce the amount of adjustment. Note: Current implementation limitation, TEdit will only display the sketch if the Tedit window is at least as tall as the sketch. NOTE: For now, you must have SKETCH loaded in order to edit or look at a TEdit document that has a sketch object in it. If SKETCH isn't loaded, TEDIT will break with an undefined function SKIO.GETFN. From the break window, load SKETCH and type OK into the break window.) A sketch that is in a document can be edited by pressing the left button inside it and selecting the offered menu item Edit sketch. This will prompt for a position of a sketch window the same size as the sketch. In this window, the sketch can be edited, scrolled, zoomed, etc. A sketch so edited may contain elements that are not visible in the printed document. These elements can be exposed by zooming or scrolling. When the window is closed, you will be offered a chance to place the sketch back into the document. If accepted, the current view of the sketch will be placed into the document. The sketch window will have the menu already fixed beside it. Copying from one sketch to another Parts of a sketch can be copied from one sketch to another using a protocol similar to the above. Select the target sketch. Hold down the 'copy select' key. Move into the source window and select the desired elements using the left and right button protocol described earlier. When the 'copy select' key is released, position the cursor back in the target window. You will be dragging an image of the selected elements that can be placed in the target by pressing and releasing the left button. For now, the scale of the transferred elements is not changed so the image in the new window may be a different size after the transfer. Copying the text out of a Sketch as characters The text characters in a sketch (i.e. text and text box elements) can be copied from a sketch by using the selection procedure described above but selecting elements with the middle button instead of the left one. When the 'copy select' key is released, the characters in selected text and text box elements will be copied. Sketch Implementation Notes SKETCHW.CREATE (SKETCH SKETCHREGION SCREENREGION TITLE INITIALSCALE BRINGUPMENUFLG INITIALGRID) Opens a sketch window onto the sketch SKETCH. SKETCH can be: NIL, an empty sketch is generated and given a name; a sketch; or the name of a sketch. SKETCHREGION, if given, is a region in sketch coordinates of the part of the sketch to be initially displayed. SCREENREGION can be: a region, the screen region to be used for the sketch window; or a window to be used as the sketch window. TITLE will be used as the title of the sketch window. If TITLE is NIL, the title "Viewer onto 'SketchName'" is used. INITIALSCALE if a number will be the initial scale of the sketch; 1.0 is the default. If BRINGUPMENUFLG is non-NIL, the sketch operations menu will be brought up beside the right edge of the window. INITIALGRID indicates whether or not to use a grid. If it is a number, the grid will be set to the least power of 2 greater than INITIALGRID. If INITIALGRID is T, the grid will be set to allow approximately half a centimeter between grid points. If it is NIL, no grid will be used. BRINGUPMENUFLG can be a menu in which case it is brought up beside the right edge of the window. The standard sketch command menu is the SKETCHPOPUPMENU property of the window. EDITSLIDE(SKETCH) Opens a window the size of a sheet of 8.5 by 11 piece of paper. This is useful for laying out slides or other full page images. 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