JP5593879B2 - Graphic display device and program - Google Patents

Description

  The present invention relates to a graphic display device for drawing and analyzing a graphic and a control program therefor.

  Conventionally, it has a function to display an arbitrary figure by executing drawing according to an input operation from an input device by a user, and to measure and display the area, angle, side length, inclination, etc. of the displayed figure. Graphic display devices have been put into practical use.

  In this graphic display device, when measuring the area of an arbitrary graphic displayed, each side surrounding the graphic is individually designated by a cursor and the entire graphic is selected. Further, when measuring an arbitrary vertex angle of a displayed figure, two sides constituting the vertex angle are individually designated by a cursor, and a graphic part having the vertex angle is selected.

  For this reason, when the measurement target part of the figure is composed of two or more sides of the same figure, it is necessary to specify with the cursor for each side. You need to specify the edges individually.

  Corresponding to the arrangement positions of the numeric keys “1” to “9” arranged in a 3 × 3 matrix on the keyboard, each area obtained by dividing the display screen into 9 in a 3 × 3 matrix is set. A display that can jump and display the cursor at a stroke with a single key touch by simply moving the cursor to the screen position area corresponding to the numeric keypad and displaying it. A control device has been considered (see, for example, Patent Document 1).

JP 2007-299220 A

  In the conventional display control device, it is possible to display the cursor by jumping and moving at a stroke to the area of the screen position targeted by the user by a numeric keypad operation. However, in order to designate each required side of the graphic displayed on the screen, the designation operation for each side by the cursor is still necessary, and there is a problem that the operability is poor.

  The present invention has been made in view of such a problem, and provides a graphic display device and a control program therefor that can clearly and easily specify and select a necessary graphic portion of a displayed graphic. For the purpose.

The graphic display device according to claim 1 is a graphic display means for displaying a graphic corresponding to a user operation on a display unit, and a selection for setting a type of selection related to the graphic displayed by the graphic display means according to a user operation. Type setting means, cursor display means for displaying a cursor in a different display form in accordance with the type of selection related to the figure set by the selection type setting means, and among the figures displayed by the figure display means The graphic part detection means for detecting the graphic part corresponding to the type of selection related to the graphic set by the selection type setting means, and the display form of the graphic part detected by the graphic part detection means are displayed by the cursor display means. comprising the the geometric portion identification means for changing in response to the display form of the cursor, the selection type setting means, Ryo figure , Angle, or length selection type is set in accordance with a user operation, and the graphic portion detection unit is selected when the selection type related to the graphic set by the selection type setting unit is a graphic region Detects a graphic part having a closed area, and in the case of a graphic angle, detects a graphic part consisting of two sides forming the angle, and in the case of a graphic length, a graphic part consisting of one line It is characterized by detecting .

  The graphic display device according to claim 2 is the graphic display device according to claim 1, wherein the cursor displayed by the cursor display means is moved with respect to the graphic part detected by the graphic part detection means. It is characterized by having moving means.

  The graphic display device according to claim 3 is the graphic display device according to claim 2, wherein the cursor display means has different shapes / colors according to the type of selection related to the graphic set by the selection type setting means. The graphic part identification display means displays the graphic part display form detected by the graphic part detection means corresponding to the shape / color of the cursor displayed by the cursor display means. It is characterized by changing.

According to a fourth aspect of the present invention, there is provided the graphic display device according to the third aspect , wherein the cursor display means is configured such that the selection type related to the graphic set by the selection type setting means is a graphic area. In the case of the angle of the figure, an area designating cursor is displayed on the display unit with the outline of the polygonal arrow as the first specific color and the area surrounded by the outline as the second specific color. An angle designation cursor in which the outline of the arrow with the angle symbol added to the interior corner is set to the first specific color and the area surrounded by the outline is set to the third specific color is displayed on the display unit. If the line designation cursor to the outline of the arrow to the first specific color is displayed on the display unit, the graphic portion identification means includes a Ri閉 Ji was region by the said geometric portion detecting means If a graphic part is detected, the cursor Corresponding to the display form of the area designating cursor displayed by the display means, the outline of the same graphic portion is changed to the first specific color, and the area surrounded by the same outline is changed to the second specific color, and the angle When a graphic part composed of two sides forming the angle is detected, an angle symbol is added to the internal angle of the graphic part corresponding to the display form of the angle designation cursor, and the outline is set to the first specific color, When the area surrounded by the same outline is changed to the third specific color and a graphic part consisting of the one line is detected, the graphic part is changed to the first corresponding to the display form of the line designating cursor. It is characterized by changing to one specific color.

According to the present invention, when any type is selected from the region, angle, or length, which is the type of graphic selection by the user, the selected type graphic part is detected. Therefore, it is possible to provide a graphic display device and a control program thereof that can clearly and easily specify and select a simple graphic portion.

The figure which shows the external appearance structure of the graph scientific calculator 10 which concerns on embodiment of the figure display apparatus of this invention. FIG. 2 is a block diagram showing a configuration of an electronic circuit of the graph scientific calculator 10. The flowchart which shows the figure display process (the 1) by the said graph scientific calculator 10. FIG. The flowchart which shows the figure display process (the 2) by the said graph scientific calculator 10. FIG. The flowchart which shows the figure display process (the 3) by the said graph scientific calculator 10. FIG. The figure which shows the display operation | movement at the time of setting the angle selection mode [Angle] with the figure display process of the said graph scientific calculator 10, and selecting the figure of a measuring object (the 1). The figure which shows the display operation at the time of setting the angle selection mode [Angle] with the figure display process of the said graph scientific calculator 10, and selecting the figure of a measuring object (the 2). The figure which shows the display operation | movement at the time of setting the point and line selection mode [Others] and selecting the figure of a measurement object with the figure display process of the said graph scientific calculator 10. FIG. The figure which shows display operation | movement when the area | region selection mode [Area] is set and the figure of a measuring object is selected with the figure display process of the said graph scientific calculator 10. FIG. The figure which shows the display operation | movement when the area | region selection mode [Area] is set with the figure display process of the said graph scientific calculator 10, and the measurement object figure is designated and selected from the display color (the 1). The figure which shows the display operation | movement when the area | region selection mode [Area] is set with the figure display process of the said graph scientific calculator 10, and the figure of a measuring object is designated and selected from the display color (the 2).

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a diagram showing an external configuration of a graph scientific calculator 10 according to an embodiment of a graphic display device of the present invention.

  The graph scientific calculator 10 has a small size that allows a user to hold it with one hand and operate with one hand because of its portability. A key input unit 11 and a color display unit 16 are provided on the front side of the main body of the graph scientific calculator 10. Provided.

  The key input unit 11 includes a number / arithmetic symbol key group 12 for inputting numbers and mathematical expressions and instructing execution of a calculation, a function function key group 13 for inputting various functions, and various operation modes. A mode setting key group 14 for displaying a menu screen or instructing setting of an operation mode, a cursor key 15 for performing a cursor moving operation or a data item selecting operation displayed on the color display unit 16, and the like. Function keys F1 to F6 for selectively specifying various functions printed on the key panel or displayed on the menu along the lower end of the color display unit 16 are provided.

  The numeric / arithmetic symbol key group 12 includes “0” to “9” (numeric) keys, “+”, “−”, “×”, “÷” (arithmetic symbol) keys, “EXE” (execution) keys, “ An “AC” (clear) key and the like are arranged.

  As the function function key group 13, a “log” (logarithmic) key, a “sin” (sign) key, an “ab / c” (fractional) key, and the like are arranged.

  The mode setting key group 14 includes a “Menu” key, “VARS” (measurement) key, “OPTN” (option) key, “SHIFT” key, “ALPHA” key, “ The “EXIT” key is arranged.

  Here, the “ALPHA” (alpha) key has four types of graphic selection modes (area selection mode [Area] → angle selection mode [Angle] → dot / line selection mode [Others] → normal mode in the graphic display mode. [OFF]) is used as a key to switch sequentially for each key operation.

  In these four graphic selection modes ([Area] [Angle] [Others] [OFF]), the shape and color of the cursor displayed on the graphic display screen G are switched to the display mode corresponding to each mode. The graphic designated by is changed to a display form corresponding to the shape and color of the cursor and is identified and displayed.

  In the area selection mode [Area], the cursor can be switched to an area designating cursor Cm (see FIG. 9) in which the outline of the triangular arrow is [Pink] and the inner area is [Yellow].

  In the angle selection mode [Angle], the cursor can be switched to an angle designation cursor Ck (see FIG. 7) in which the outline line with the angle symbol added to the apex corner of the arrow is [Pink] and the inner area is [Gray].

  In the point / line selection mode [Others], the mode is switched to the [Pink] point / line designation cursor Co (see FIG. 8) with a dot added to the top of the arrow.

  In the normal mode [OFF], the cursor is switched to the normal cursor Cn (see FIG. 6A) in which the outline of the arrow and the area inside the arrow are both (Black).

  For example, as shown in FIG. 1, in a graphic display screen G displaying a circle B [Green], a triangle CDE [Red], and a rectangle CDEF [Blue] centered on a point A, the angle selection mode [Angle] One side CE forming ∠DCE corresponding to the vertex C of the triangle CDE [Red] is designated by the angle designation cursor Ck (Pink / Gray). Then, the display color of the two sides CD and CE forming the same apex angle ∠DCE is changed to [Pink], the angle display symbol Hk [Gray] is added to the apex angle portion, and the figure designation mark is added to the two sides. [□] m is added.

  Note that characters, symbols, functions, and functions that can be entered are printed on the key panel along the upper edge of each key, which corresponds to the “SHIFT” key in the mode setting key group 14. Can be entered in combination with each key.

  For example, the “F2” (function) key functions as a “Zoom” key in combination with the “SHIFT” key, and can instruct enlarged display of the graphic displayed on the graphic display screen G.

  The color display unit 16 includes a dot matrix type color liquid crystal display unit, and a transparent tablet touch panel 16T for detecting a touch position on the screen is provided on the display screen.

  In the graph scientific calculator 10, a built-in processor (CPU) 21 executes a graphic display processing program 22a stored in advance or read from the outside, and controls the operation of each unit (see FIG. 2). It has at least the following four functions (a) to (d).

  (a) A function for displaying a figure desired by the user by drawing a line or area of the figure in a desired color.

  (b) The displayed figure is specified by the cursor Cm, Ck, Co, Cn corresponding to each selection mode according to one of the four kinds of figure selection modes ([Area] [Angle] [Others] [OFF]). Function to do.

  (c) A function of identifying and displaying the figure (graphic part) designated by the cursors Cm, Ck, Co, and Cn by changing the display form corresponding to the shape and color of the corresponding cursor.

  (d) A function for measuring and displaying data related to the figure selected by the identification display.

  FIG. 2 is a block diagram showing the configuration of the electronic circuit of the graph scientific calculator 10.

  The graph scientific calculator 10 includes a processor (CPU) 21 that is a computer.

  The processor (CPU) 21 is a system program stored in advance in a memory (flash ROM) 22 or a calculator control program read into the memory 22 from an external recording medium 23 such as a memory card via the recording medium reading unit 24, Alternatively, the operation of each part of the circuit is controlled according to a calculator control program downloaded from a Web server (program server) on a communication network such as the Internet via an external PC and read into the memory 22. The system program and calculator control program stored in advance in the memory 22 are activated in response to a key input signal from the key input unit 11 and a touch position detection signal from the touch panel 16T.

  In addition to the memory 22, the recording medium reading unit 24, the key input unit 11, and the touch panel 16T, the processor (CPU) 21 is connected to a color display unit (LCD) 16.

  The calculator control program stored in the memory (flash ROM) 22 includes a graphic display processing program 22a for performing various functions (a), (b), (c), and (d) related to drawing and display of the graphic described above, and key input. An arithmetic processing program 22b for executing various arithmetic processes according to an arbitrary arithmetic expression input by the user by the unit 11 is stored.

  The work area of the memory 22 includes a graphic drawing data memory 22c, a calculation data memory 22d, a graphic selection mode memory 22e, a graphic measurement data memory 22f, a specified graphic partial data memory 22g, a selected graphic partial data memory 22h, etc. Is provided.

  The graphic drawing data memory 22c stores graphic drawing data according to the graphic display processing program 22a together with the display color data.

  The calculation data memory 22d stores calculation formulas, calculation progress, and calculation result data according to the calculation processing program 22b.

  In the figure selection mode memory 22e, the mode data of any of the four figure selection modes ([Area] [Angle] [Others] [OFF]) in the figure drawing mode is used for the operation of the [ALPHA] (alpha) key. It is switched and set accordingly.

  In the graphic measurement data memory 22f, when a measurement process of data related to a graphic selected and displayed in accordance with the graphic selection mode is executed among the graphic drawing data stored in the graphic drawing data memory 22c, the measurement is performed. Data is stored in association with the graphic to be measured.

  The specified graphic partial data memory 22g is specified by the cursors Cm, Ck, Co, Cn in each graphic selection mode ([Area] [Angle] [Others] [OFF]), and the graphic specification mark [□] m Is added, and the graphic portion data where the display form is changed and identified and displayed according to the color and shape of the corresponding cursor is stored.

  In the selected graphic part data memory 22h, the graphic part data with the graphic designation mark [□] m stored in the specified graphic part data memory 22g is displayed in accordance with the operation of the “EXE” (execute) key. The selection of the partial data is determined, and the graphic partial data identified and displayed with the graphic designation mark [□] m changed to the graphic selection mark [■] M is stored.

  Next, a graphic display function by the graph scientific calculator 10 having the above configuration will be described.

  FIG. 3 is a flowchart showing a graphic display process (part 1) by the graph scientific calculator 10.

  FIG. 4 is a flowchart showing a graphic display process (part 2) by the graph scientific calculator 10.

  FIG. 5 is a flowchart showing graphic display processing (part 3) by the graph scientific calculator 10.

(First embodiment)
FIG. 6 is a diagram showing a display operation (part 1) in a case where the angle selection mode [Angle] is set and a measurement target graphic is selected in accordance with the graphic display processing of the graph scientific calculator 10.

  FIG. 7 is a diagram showing a display operation (part 2) in a case where the angle selection mode [Angle] is set and a graphic to be measured is selected in accordance with the graphic display processing of the graph scientific calculator 10.

  When the graphic display mode is set in response to a user operation and the graphic display processing program 22a is started, a graphic display function menu selection screen is displayed on the color display unit 16, and a standby state for designating a user arbitrary function. (Step S1).

  Here, when the figure drawing function is designated (step S2 (Yes)), the process of designating the figure type and drawing color (step S3) and the process of designating the position and size of the designated figure (step S3) In accordance with S4), a user-desired figure is drawn in the figure drawing data memory 22c and displayed on the color display unit 16 as a figure display screen G (step S5).

  For example, as shown in FIG. 6A, “circle” is designated as the figure type, [Green] is designated as the drawing color (step S3), and the normal cursor Cn [Black] (normal mode [OFF]) by the cursor key 15 is designated. ) Is designated (step S4), the circle B having the center A and the radius AB is drawn and displayed in [Green] (step S5).

  When “triangle” is designated as the figure type, [Red] is designated as the drawing color (step S3), and the three vertices C, D, and E of the triangle are designated (step S4), the three vertices are connected in order. The triangle CDE is drawn and displayed in [Red] (step S5).

  Furthermore, “rectangle” is designated as the figure type, [Blue] is designated as the drawing color (step S3), and when the four vertices F, G, H, and I of the rectangle are designated (step S4), the four vertices are sequentially turned. A rectangle FGHI connected to is drawn and displayed in [Blue] (step S5).

  When the graphic / screen selection function by the normal cursor Cn is designated on the graphic display screen G in which the graphic selection mode is set to the normal mode [OFF] (step S13 (Yes)), the cursor key 15 is operated. Accordingly, a graphic selection mark [■] M (see FIG. 11 (S)) is added to the graphic or line selected by the cursor Cn and displayed (steps S14 and S15).

  Here, for example, in the graphic display screen G in which the graphic selection mark [■] M is added to the circle B displayed by the user-specified [Green], the area or line ( When a color painting function (Format) is designated in response to a user operation in order to display the side in a color desired by the user, a color painting target selection window (not shown) is displayed (step S 6 ( Yes)).

  When “Area Color” for coloring the area of the figure (circle B) selected by the figure selection mark [■] M is selected in this color painting target selection window, a color designation window (not shown) is selected. Is displayed) (step S7 (Yes)).

  In this color designation window, for example, when “Cyan” is designated (step S8), the area of the circle B of [Green] displayed with the figure selection mark [■] M added thereto is designated. [Cyan] fills and displays (step S9).

  On the other hand, when “Line Color” for coloring the side or line of the selected figure is selected in the color painting target selection window (step S10 (Yes)), designation is made in the color designation window. In the selected color (step S11), the graphic selection mark [■] M is added at that time, and the side or line of the graphic displayed is colored and displayed (step S12).

  In this way, the area or side (line) of the figure to which the figure selection mark [■] M is added can be freely painted or colored with the color specified by the user.

  Next, the figure consisting of [Green] circle B, [Red] triangle CDE, and [Blue] rectangle FGHI shown in FIG. 6 (A) in which the figure selection mode is set to the normal mode [OFF]. When the [ALPHA] key is operated on the display screen G (step S16 (Yes)), the normal mode [OFF] is determined according to the mode data stored in the figure selection mode memory 22e (step S16). S17 (Yes)).

  Then, the figure selection mode is set to the area selection mode [Area], and the normal cursor Cn [Black] [Pink] the outline of the triangular arrow as shown in FIG. The area designation cursor Cm [Pink / Yellow] is switched to [Yellow] (step S18).

  Furthermore, when the [ALPHA] key is operated in the state where the graphic selection mode is set to the area selection mode [Area] (step S16 (Yes) → S17 (No)), the graphic selection mode is changed. The angle selection mode [Angle] is set, and the area designating cursor Cm [Pink / Yellow] has an outline line with an angle symbol added to the apex corner of the arrow [Pink] as shown in FIG. The cursor is switched to an angle designation cursor Ck [Pink / Gray] with the inner region as [Gray] (step S19).

  Furthermore, when the [ALPHA] key is operated in the state where the figure selection mode is set to the angle selection mode [Angle] (step S16 (Yes) → S17 (No)), the figure selection mode is set. Is set to the point / line selection mode [Others], and the angle designation cursor Ck [Pink / Gray] is set to the [Pink] point / dot with dot added to the top of the arrow as shown in FIG. The line designation cursor Co [Pink] is switched to (step S19).

  Thus, in response to the operation of the [ALPHA] key, as shown in FIG. 6B, the figure selection mode is set to the angle selection mode [Angle], and the angle designation cursor Ck [Pink / Gray] When the cursor key 15 [←] is operated on the graphic display screen G on which is displayed, as shown in FIG. 7C, it is assumed that a graphic / line selection instruction with the cursor key is made in the graphic selection mode. It is determined (step S20 (Yes) → S21 (Yes)).

  Then, the type (angle selection mode [Angle]) of the current graphic selection mode is read from the graphic selection mode memory 22e (step S22), and the cursor key is determined from the current cursor Ck position (see FIG. 6B). The most recent graphic portion (the two sides EC and ED portions forming the apex angle E of the triangle CDE) to be subjected to angle measurement in the 15 operation directions [←] is detected (step S23).

  Then, as shown in FIG. 7C, the angle designation cursor Ck [Pink / Gray] is moved to the figure portion (the portion forming the apex angle E of the triangle CDE) that is the object of the detected angle measurement. (Step S24).

  Then, in correspondence with the display form of the cursor Ck [Pink / Gray], an angle display symbol Hk [Gray] is added to the portion forming the apex angle E, and the two sides EC and ED forming the apex angle E are displayed. The color is changed to [Pink] for identification and display, and a graphic designation mark [□] m is added to each side EC, ED (step S25).

  Further, as shown in FIG. 7D, when the cursor key 15 [←] is operated, the type of the current graphic selection mode (angle selection mode [Angle]) is selected from the graphic selection mode memory 22e as described above. ) Is read (steps S26 (No) → S20 to S22), and the angle is measured in the operation direction [←] of the cursor key 15 from the current position of the cursor Ck (see FIG. 7C). The most recent graphic part (the part of the two sides CE and CD forming the apex angle C of the triangle CDE) is detected (step S23).

  Then, as shown in FIG. 7D, the angle designation cursor Ck [Pink / Gray] is moved to the figure portion (the portion forming the apex angle C of the triangle CDE) that is the object of the detected angle measurement. (Step S24).

  Then, in correspondence with the display form of the cursor Ck [Pink / Gray], an angle display symbol Hk [Gray] is added to the portion forming the apex angle C, and the two sides CE and CD forming the apex angle E are displayed. The color is changed to [Pink] for identification, and a graphic designation mark [□] m is added to each side CE, CD (step S25).

  Then, as shown in FIG. 7E, when the “EXE” (execute) key is operated (step S26 (Yes)), the triangle CDE is designated by the angle designation cursor Ck [Pink / Gray]. The graphic designation mark [□] m added to the graphic portion forming the vertical angle C is changed to the graphic selection mark [■] M (step S27).

  As described above, when there is a figure portion whose angle is to be measured in the figure displayed on the figure display screen G, the figure selection mode is changed to the angle selection mode [in accordance with the operation of the [ALPHA] key. Set to [Angle] and display the angle specification cursor Ck [Pink / Gray]. Then, using the cursor key [←] 15 to indicate the direction of the vertex C of the triangle CDE where the measurement target ＣＤECD is present with reference to the current cursor Ck position, the two graphic parts CE, CD is detected. Then, an angle display symbol Hk [Gray] corresponding to the display form of the angle designating cursor Ck [Pink / Gray] is added to the detected two-side graphic portions CE and CD, and the two-side graphic. The parts CE and CD are changed to [Pink] and displayed.

  For this reason, the angle specifying cursor Ck [Pink / Gray] is moved without having to individually specify the graphic parts CE and CD of the two sides forming the ∠ ECD of the triangle CDE which is the object of angle measurement. The display form [Pink / Gray] can be identified and displayed, and can be selected easily and clearly.

  Thus, as shown in FIG. 7E, the figure selection mark [■] M is added to the two sides CE and CD forming the apex angle C of the triangle CDE on the figure display screen G. As shown in FIG. 7 (F), when the measurement function is designated by operating the [VARS] key (step S31 (Yes)), the measurement object identification display (angle display symbol Hk) corresponding to the angle selection mode [Angle] is performed. Is switched to the graphic measurement screen Gs from which the additional display and the color change display of the two sides CE and CD are canceled (step S32).

  Then, it is determined whether an area is selected or a line is selected by the figure selection mark [■] M (step S33 or S42).

  Here, in the graphic measurement screen Gs shown in FIG. 7F, it is determined that a line (side) is selected (step S42 (Yes)), and further, the selected line (side) is It is determined whether the line is one line (side) or two lines (sides) forming an angle (step S43 or S51).

  If it is determined that the two lines (sides) CE and CD forming the angle are selected (step S51 (Yes)), the two lines (sides) CE and CD being selected are determined. A graphic measurement icon indicating a measurement item is displayed in a list (not shown), the measurement item is set to [Angle] by default, and an [Angle] measurement icon BK is displayed on the lower left of the screen Gs (Step S52). ).

  Then, in the figure measurement screen Gs, the [angle] set as the measurement item is measured (calculated) for the two lines (sides) CE and CD of the selected triangle CDE, and the same measurement is performed. The angle [60] formed by each line (side) CE, CD is displayed in the measurement data display area As along the lower end of the graphic measurement screen Gs (step S53).

Thereafter, if it is determined that the measurement data is to be pasted on the graphic to be measured in accordance with the user operation (step S56 (Yes)), the measured angle [Angle: 60] is the two selected lines. (Side) Attached between CE and CD and displayed (step S57).
If it is determined to change to another measurement item according to the user operation (step S54 (Yes)), the measurement item is changed to another measurement item according to the user operation and corresponds to the changed measurement item. A graphic measurement icon is displayed on the lower left of the graphic measurement screen Gs (step S55). Then, the process returns to step S53.

  In this way, by using the angle designation cursor Ck [Pink / Gray] which is switched and displayed by setting the angle selection mode [Angle], the figure selection mark can be designated easily and clearly by specifying the figure portion to be measured. [■] M is displayed, and the angle measurement of a desired figure can be performed very easily.

(Second embodiment)
FIG. 8 is a diagram showing a display operation when the point / line selection mode [Others] is set and the measurement target graphic is selected in accordance with the graphic display processing of the graph scientific calculator 10.

  When the [EXIT] key is operated after the graphic angle measurement data is displayed on the graphic measurement screen Gs shown in FIG. 7 (F) (step S58 (Yes)), the [angle] measurement is performed. The display of the icon BK, the measurement data display area As, and the graphic selection mark [■] M is canceled, and the screen is switched to the original graphic display screen G as shown in FIG. 8G (step S41).

  If the [ALPHA] key is operated (step S16 (Yes)), it is determined that the current figure selection mode is set to the angle selection mode [Angle] (step S17 (No )), The figure selection mode is changed to the point / line selection mode [Others]. Then, the angle designation cursor Ck [Pink / Gray] displayed in the angle selection mode [Angle] is a point of [Pink] with a dot added to the top of the arrow as shown in FIG. Switch to the line designation cursor Co [Pink] (step S19).

  In this way, in the graphic display screen G in which the graphic selection mode is set to the point / line selection mode [Others] and the point / line designating cursor Co [Pink] is displayed, as shown in FIG. When 15 [↑] is operated, it is determined that a figure / line selection instruction with the cursor key has been made in the figure selection mode (step S20 (Yes) → S21 (Yes)).

  Then, the type of the current graphic selection mode (dot / line selection mode [Others]) is read from the graphic selection mode memory 22e (step S22), and the operation direction [↑ of the cursor key 15 from the current cursor Co position [↑] ], The most recent graphic part (side CE part) to be measured is detected (step S23).

  Then, the point / line designating cursor Co [Pink] is moved to the detected graphic part (side CE part) to be measured (step S24).

  Then, in correspondence with the display form of the cursor Co [Pink], the display color of the side CE is changed to [Pink] for identification display, and a graphic designation mark [□] m is added to the side CE ( Step S25).

  Here, as shown in FIG. 8I, when the “EXE” (execute) key is operated (step S26 (Yes)), the side designated by the point / line designating cursor Co [Pink] The figure designation mark [□] m added to the CE is changed to a figure selection mark [■] M (step S27).

  In this way, when there is a figure that you want to measure in the figure displayed on the figure display screen G, the figure selection mode is turned on according to the operation of the [ALPHA] key.・ Set the line selection mode [Others] and display the point / line designation cursor Co [Pink]. Then, using the cursor key [↑] 15 to indicate the direction in which the side CE to be measured exists based on the current position of the cursor Co, the graphic portion of the side CE is detected. Then, the detected display color of the side CE is changed to [Pink] corresponding to the display form of the point / line designating cursor Co [Pink] for identification display.

  For this reason, the side CE of the triangle CDE that is the object of length measurement is identified and displayed in the same manner as the display form [Pink] by moving the point / line designating cursor Co [Pink]. Can be selected.

  Thus, as shown in FIG. 8 (I), as shown in FIG. 8 (J), the figure selection mark [■] M is added to the measurement target side CE of the triangle CDE on the figure display screen G. When the measurement function is specified by operating the [VARS] key (step S31 (Yes)), the measurement object identification display (color change display of the side CE) corresponding to the point / line selection mode [Others] is canceled. The screen is switched to the graphic measurement screen Gs (step S32).

  Then, it is determined whether an area is selected or a line is selected by the figure selection mark [■] M (step S33 or S42).

  Here, in the graphic measurement screen Gs shown in FIG. 8J, it is determined that the line (side) is selected (step S42 (Yes)), and the selected line (side) is further selected. Since it is determined that the line is one line (side) CE (step S43 (Yes)), a graphic measurement icon indicating a measurement item for the currently selected one line (side) CE is displayed as a list (FIG. The measurement item is set to [Length] by default, and the [Length] measurement icon BL is displayed on the lower left of the screen Gs (step S44).

  Then, on the figure measurement screen Gs, the [length] set as the measurement item was measured (calculated) for one line (side) CE of the selected triangle CDE, and the same measurement was performed. The length [3] of the line (side) CE is displayed in the measurement data display area As along the lower end of the graphic measurement screen Gs (step S45).

Thereafter, when it is determined that the measurement data is to be pasted on the graphic to be measured in accordance with the user operation (step S48 (Yes)), the measured length [leng: 3] is the selected line. (Side) Affixed to CE and displayed (step S49).
When it is determined that the measurement item is changed to another measurement item according to the user operation (step S46 (Yes)), the measurement item is changed to another measurement item corresponding to the user operation and corresponds to the changed measurement item. A graphic measurement icon is displayed on the lower left of the graphic measurement screen Gs (step S47). Then, the process returns to step S45.

  In this way, using the point / line specification cursor Co [Pink], which is displayed by switching the point / line selection mode [Others], the graphic part (side) for length measurement can be easily and clearly displayed. The figure selection mark [■] M is designated and displayed, and the length of the desired figure can be measured very easily.

(Third embodiment)
FIG. 9 is a diagram showing a display operation when a graphic to be measured is selected by setting the area selection mode [Area] in accordance with the graphic display processing of the graph scientific calculator 10.

  When the [EXIT] key is operated after the graphic length measurement data is displayed on the graphic measurement screen Gs shown in FIG. 8 (J) (step S50 (Yes)), [Length ] The display of the measurement icon BL, the measurement data display area As, and the graphic selection mark [■] M is canceled, and the screen is switched to the original graphic display screen G as shown in FIG. 9K (step S41).

  When the [ALPHA] key is operated (step S16 (Yes)), it is determined that the current figure selection mode is set to the point / line selection mode [Others] (step S17). (No)), the figure selection mode is changed to the normal mode [OFF], and the point / line designation cursor Co [Pink] displayed in the point / line selection mode [Others] is the normal cursor Cn [ [Black] (step S19).

  If the [ALPHA] key is further operated (step S16 (Yes)), it is determined that the current figure selection mode is set to the normal mode [OFF] (step S17 (Yes). )), The same figure selection mode is changed to the area selection mode [Area], and the normal cursor Cn [Black] once displayed in the normal mode [OFF] displays the outline of the triangular arrow [Pink] Is switched to an area designating cursor Cm with [Yellow] as the area (step S19).

  In this way, in the graphic display screen G in which the graphic selection mode is set to the area selection mode [Area] and the area designating cursor Cm [Pink / Yellow] is displayed, as shown in FIG. When [↑] is operated, it is determined that an instruction to select a figure / line with the cursor key is given in the figure selection mode (step S20 (Yes) → S21 (Yes)).

  Then, the type of the current graphic selection mode (area selection mode [Area]) is read from the graphic selection mode memory 22e (step S22), and the operation direction [↑] of the cursor key 15 is changed from the current cursor Cm position. The most recent graphic part (the part of one side CE forming the triangle CDE) that is a target for area measurement is detected (step S23).

  Then, the area designation cursor Cm [Pink / Yellow] is moved to the detected graphic part (the part of the side CE of the triangle CDE) (step S24).

  Then, in correspondence with the display form of the cursor Cm [Pink / Yellow], the display color of each side CD, DE, CE constituting the triangle CDE is [Pink], and the display color of the area is [Yellow]. And a graphic designation mark [□] m is added to each side CD, DE, CE (step S25).

  Here, as shown in FIG. 9M, when the “EXE” (execution) key is operated (step S26 (Yes)), the triangle designated by the area designating cursor Cm [Pink / Yellow]. The graphic designation mark [□] m added to each side CD, DE, CE of the CDE is changed to a graphic selection mark [■] M (step S27).

  As described above, when there is a graphic part to be measured, for example, in the graphic displayed on the graphic display screen G, the graphic selection mode is set in accordance with the operation of the [ALPHA] key. The selection mode [Area] is set, and the area designation cursor Cm [Pink / Yellow] is displayed. Then, using the cursor key [↑] 15 to indicate the direction in which the region to be measured (triangle CDE) exists based on the current position of the cursor Cm, the graphic portion of the triangle CDE is detected. Then, the display color of each side CD, DE, EC forming the detected triangle CDE and the display color of the inner area thereof are [Pink] corresponding to the display mode of the area designating cursor Cm [Pink / Yellow]. Changed to [Yellow] and displayed as an identification.

  Therefore, it is not necessary to individually designate each side CD, DE, and EC of the triangle CDE that is the target of area measurement with the cursor, and the display mode [ Similar to [Pink / Yellow], identification can be displayed, and it can be selected easily and clearly.

  In this way, as shown in FIG. 9M, the graphic selection mark [■] M is added to each side CD, DE, and EC of the triangle CDE to be measured on the graphic display screen G, as shown in FIG. ), When the measurement function is designated by operating the [VARS] key (step S31 (Yes)), the measurement target identification display (each side CD, DE, EC) corresponding to the area selection mode [Area] is performed. Then, the screen is switched to the graphic measurement screen Gs from which the color change display of the inner region is canceled (step S32).

  Then, it is determined whether an area is selected or a line is selected by the figure selection mark [■] M (step S33 or S42).

  Here, in the graphic measurement screen Gs shown in FIG. 9 (N), it is determined that the area closed by the three sides CD, DE, and EC is selected (step S33 (Yes)), and the currently selected area is displayed. A graphic measurement icon indicating a measurement item for CDE is displayed in a list (not shown), the measurement item is set to [Area] by default, and an [Area] measurement icon BM is displayed at the lower left of the screen Gs. (Step S34).

  Then, in the graphic measurement screen Gs, the [area] set as the measurement item is measured (calculated) for the selected region (triangle) CDE, and the area of the region (triangle) CDE thus measured is measured. [5.196] is displayed in the measurement data display area As along the lower end of the graphic measurement screen Gs (step S35).

Thereafter, when it is determined that the measurement data is to be pasted on the graphic to be measured according to the user operation (step S38 (Yes)), the measured area [Area: 5.196] is the selected region ( (Triangle) Affixed to the CDE and displayed (step S39).
When it is determined that the measurement item is changed to another measurement item according to the user operation (step S36 (Yes)), the measurement item is changed to another measurement item corresponding to the user operation and corresponds to the changed measurement item. A graphic measurement icon is displayed on the lower left of the graphic measurement screen Gs (step S37). Then, the process returns to step S35.

  In this way, using the area specification cursor Cm [Pink / Yellow], which is displayed by switching the area selection mode [Area], the graphic part (polygon) subject to area measurement can be specified easily and clearly. The figure selection mark [■] M can be displayed to measure the area of the desired figure very easily.

(Fourth embodiment)
FIG. 10 is a diagram showing a display operation (part 1) in a case where the area selection mode [Area] is set in accordance with the graphic display processing of the graph scientific calculator 10 and the graphic to be measured is selected from the display color and selected. It is.

  FIG. 11 is a diagram showing a display operation (part 2) when the area selection mode [Area] is set in accordance with the graphic display processing of the graph scientific calculator 10, and the graphic to be measured is designated and selected from the display color. It is.

  When the measurement data of the graphic area is displayed on the graphic measurement screen Gs shown in FIG. 9N and the [EXIT] key is operated (step S40 (Yes)), the [area] measurement is performed. The display of the icon BM, the measurement data display area As, and the graphic selection mark [■] M is canceled, and the screen is switched to the original graphic display screen G as shown in FIG. 10 (O) (step S41).

  In the graphic display screen G in which the graphic selection mode is set to the area selection mode [Area] and the cursor Cm [Pink / Yellow] for specifying the area is displayed, the [SHIFT] key is operated as shown in FIG. Then, a color key menu 30 for designating and selecting the graphic part to be measured from its display color is displayed along the lower end of the screen G (step S20 (Yes) → S21 (No) → S28). ).

  Here, as shown in FIG. 10 (P), when the function key [F4] is operated, [F4: Green] in the color key menu 30 is selected, and it is determined that the figure / line selection instruction is given ( In step S28 (Yes), the type of the current graphic selection mode (area selection mode [Area]) is read from the graphic selection mode memory 22e (step S29).

  Then, among the graphic parts (circle B [green], triangle CDE [Red], square FGHI [Blue]) corresponding to the current graphic selection mode (area selection mode [Area]), the selected color key [F4 : A graphic portion (circle B [green]) having the same display color as that of [Green] is detected (step S30).

  Then, the area designation cursor Cm [Pink / Yellow] is moved to the detected graphic part (circle B [green]) to be measured (step S24).

  Then, in correspondence with the display form of the cursor Cm [Pink / Yellow], the display color of the detected outline (circle B [green]) is changed to [Pink], and the display color of the area is also changed. It is changed to [Yellow] and is identified and displayed, and a graphic designation mark [□] m is added to the outer circumference of the circle B (step S25).

  Here, as shown in FIG. 11 (Q), when it is determined that [F1: Blue] in the color key menu 30 is selected by the operation of the function key [F1], and the figure / line selection instruction is given. (Step S20 (Yes) → S21 (No) → S28 (Yes)) Similarly, the type of the current graphic selection mode (area selection mode [Area]) is read from the graphic selection mode memory 22e (Step S29). .

  Then, a graphic portion (rectangle FGHI [Blue]) having the same display color as the selected color key [F1: Blue] is detected (step S30).

  Then, the region designation cursor Cm [Pink / Yellow] is moved to the detected graphic portion (rectangle FGHI [Blue]) to be measured (step S24).

  Then, in correspondence with the display form of the cursor Cm [Pink / Yellow], the display color of each side of the detected graphic part (rectangle FGHI [Blue]) is [Pink] and the display color of the area is It is changed to [Yellow] and is identified and displayed, and a graphic designation mark [□] m is added to each side of the rectangle FGHI (step S25).

  Here, as shown in FIG. 11 (R), when the “EXE” (execution) key is operated (step S26 (Yes)), the rectangle designated by the area designating cursor Cm [Pink / Yellow]. The graphic designation mark [□] m added to each side of the FGHI is changed to a graphic selection mark [■] M (step S27).

  As described above, when there is a graphic part to be measured, for example, in the graphic displayed on the graphic display screen G, the graphic selection mode is set in accordance with the operation of the [ALPHA] key. The selection mode [Area] is set, and the area designation cursor Cm [Pink / Yellow] is displayed. Then, when the color key menu 30 is selected by the function keys [F1] to [F6] and the display color [F1: Blue] of the graphic part (rectangle FGHI [Blue]) having the measurement target area is specified, the graphic part (Rectangle FGHI [Blue]) is detected, and the region designation cursor Cm is moved. Then, the display color of each side forming the detected rectangle FGHI and the display color of the area inside thereof are [Pink] and [Yellow] corresponding to the display form of the area designating cursor Cm [Pink / Yellow]. It is changed to and is displayed.

  For this reason, it is not necessary to individually designate each side of the rectangle FGHI that is the object of area measurement with a cursor, and the region designation cursor Cm [Pink / Yellow] is moved to display its display form [Pink / Yellow]. Similarly, identification can be displayed, and selection can be easily and clearly specified.

  Thus, as shown in FIG. 11 (R), as shown in FIG. 11 (S), the figure selection mark [■] M is added to each side of the measurement target rectangle FGHI on the figure display screen G. When the measurement function is designated by the operation of the [VARS] key (step S31 (Yes)), the measurement object identification display corresponding to the area selection mode [Area] (color change of each side of the rectangle FGHI and its inner area) The display switches to the graphic measurement screen Gs whose display is canceled (step S32).

  Then, it is determined whether an area is selected or a line is selected by the figure selection mark [■] M (step S33 or S42).

  Here, in the graphic measurement screen Gs shown in FIG. 11 (S), it is determined that the region closed by the four sides FG, GH, HI, and IG is selected (step S33 (Yes)), and the selection is in progress. A graphic measurement icon indicating a measurement item for the region FGHI is displayed in a list (not shown), the measurement item is set to [Area] by default, and an [Area] measurement icon BM is displayed at the lower left of the screen Gs. (Step S34).

  Then, [area] set as the measurement item is measured (calculated) on the selected region (rectangular) FGHI on the graphic measurement screen Gs, and the area of the measured region (rectangular) FGHI is measured. [20] is displayed in the measurement data display area As along the lower end of the graphic measurement screen Gs (step S35).

Thereafter, when it is determined that the measurement data is to be pasted on the graphic to be measured in accordance with the user operation (step S38 (Yes)), the measured area [Area: 20] is the selected region ( (Rectangular) Affixed to FGHI and displayed (step S39).
When it is determined that the measurement item is changed to another measurement item according to the user operation (step S36 (Yes)), the measurement item is changed to another measurement item corresponding to the user operation and corresponds to the changed measurement item. A graphic measurement icon is displayed on the lower left of the graphic measurement screen Gs (step S37). Then, the process returns to step S35.

  In this way, the area selection mode [Area] is set, and the area designation cursor Cm [Pink / Yellow] and the color keys [F1: Blue] to [F6: Yellow] that are switched and displayed are used for area measurement. The graphic part (polygon) displayed in color can be specified easily and clearly to display the graphic selection mark [■] M, and the area of the desired graphic can be measured very easily.

  In addition, the operation method by the graph scientific calculator 10 described in each embodiment, that is, each method in the graphic display processing shown in the flowcharts of FIGS. 3, 4, and 5 is a program that can be executed by a computer. It can be stored and distributed in an external recording medium (23) such as a memory card (ROM card, RAM card, etc.), magnetic disk (floppy disk, hard disk, etc.), optical disc (CD-ROM, DVD, etc.), semiconductor memory, etc. . The computer (21) of the electronic computer (10) reads the program stored in the external recording medium (23) into the storage device (22), and the operation is controlled by the read program, whereby the The graphic coloring drawing function, the graphic (graphic part) selection function corresponding to the measurement object, and the measurement function of the selected graphic described in each embodiment can be realized, and the same processing as described above can be executed.

  The program data for realizing each of the above methods can be transmitted on a communication network (public line) in the form of a program code, and the program data is electronically transmitted by a communication device connected to the communication network. It is also possible to obtain the graphic coloring function, the graphic (graphic part) selection function corresponding to the measurement target, and the measurement function of the selected graphic by taking in the computer (21) of the computer (10).

  Note that the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention at the stage of implementation. Further, each of the embodiments includes inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements. For example, even if some constituent elements are deleted from all the constituent elements shown in each embodiment or some constituent elements are combined in different forms, the problems described in the column of the problem to be solved by the invention If the effects described in the column “Effects of the Invention” can be obtained, a configuration in which these constituent requirements are deleted or combined can be extracted as an invention.

DESCRIPTION OF SYMBOLS 10 ... Graph scientific calculator 11 ... Key input part 12 ... Number / arithmetic symbol key group 13 ... Function function key group 14 ... Mode setting key group 15 ... Cursor key 16 ... Color display part 16T ... Touch panel 21 ... Processor (CPU)
22 ... Memory 22a ... Graphic display processing program 22b ... Arithmetic processing program 22c ... Graphic drawing data memory 22d ... Calculation data memory 22e ... Graphic selection mode memory 22f ... Graphic measurement data memory 22g ... Designated graphic partial data memory 22h ... Selected graphic Partial data memory 23 ... External recording medium 24 ... Recording medium reading unit 30 ... Color key menu G ... Graphic display screen Gs ... Graphic measurement screen Cn ... Normal cursor Cm ... Cursor for area designation Ck ... Cursor for angle designation Co ... Point / line Cursor for designation m ... Graphic designation mark [□]
M ... Figure selection mark [■]
BM ... [Area] measurement icon BK ... [Angle] measurement icon BL ... [Length] measurement icon As ... Measurement data display area

Claims (5)

Graphic display means for displaying a graphic corresponding to a user operation on the display unit;
Selection type setting means for setting the type of selection related to the graphic displayed by the graphic display means in accordance with a user operation;
Cursor display means for displaying a cursor in a different display form on the display unit according to the type of selection related to the graphic set by the selection type setting means,
Graphic part detection means for detecting a graphic part corresponding to the type of selection related to the graphic set by the selection type setting means among the figures displayed by the graphic display means;
Graphic part identification display means for changing the display form of the graphic part detected by the graphic part detection means in accordance with the display form of the cursor displayed by the cursor display means;
Equipped with a,
The selection type setting means sets the type of selection of any one of the region, angle, and length of the figure according to the user operation,
The graphic part detecting means detects a graphic part having a closed area when the type of selection related to the graphic set by the selection type setting means is a graphic area, and detects the angle when the graphic type is an angle of the graphic. Detects a graphic part consisting of two sides, and in the case of a graphic length, detects a graphic part consisting of one line.
A graphic display device characterized by that.   2. The graphic display device according to claim 1, further comprising cursor moving means for moving the cursor displayed by the cursor display means with respect to the graphic part detected by the graphic part detecting means. The cursor display means displays a cursor having a different shape / color on the display unit according to the type of selection related to the graphic set by the selection type setting means,
The graphic part identification display means changes the display form of the graphic part detected by the graphic part detection means in accordance with the shape / color of the cursor displayed by the cursor display means.
The graphic display device according to claim 2. Before SL cursor display means, when the type of selection regarding patterns set by the selection type setting unit area of the figure is surrounded by outline arrows consisting of polygonal first specific color, the same outline An area designating cursor having an area set to the second specific color is displayed on the display unit, and in the case of a figure angle, the outline of the arrow with the angle symbol added to the inner corner is changed to the first specific color and the same outline. An angle designating cursor with the enclosed area in the third specific color is displayed on the display unit, and in the case of a figure length, the line designating cursor with the outline of the arrow in the first specific color is displayed. Displayed on the
The graphic portion identification means, if the geometric portion having Ri閉 Ji was region by the said geometric portion detecting means is detected corresponds to the display form of the display area designated for the cursor by the cursor display means Then, when the contour line of the same graphic part is changed to the first specific color, the area surrounded by the same external line is changed to the second specific color, and a graphic part consisting of two sides forming the angle is detected, Corresponding to the display form of the angle designation cursor, an angle symbol is added to the inner angle of the graphic part, and the outline is changed to the first specific color, and the area surrounded by the outline is changed to the third specific color. When a graphic part consisting of the one line is detected, the graphic part is changed to the first specific color corresponding to the display form of the line designating cursor.
The graphic display device according to claim 3. The electronic computer,
Graphic display means for displaying a graphic corresponding to a user operation on the display unit;
Selection type setting means for setting the type of selection related to the graphic displayed by the graphic display means in accordance with a user operation;
Cursor display means for displaying a cursor in a different display form on the display unit according to the type of selection related to the graphic set by the selection type setting means,
Graphic part detection means for detecting a graphic part corresponding to the type of selection related to the graphic set by the selection type setting means among the figures displayed by the graphic display means;
Graphic part identification display means for changing the display form of the graphic part detected by the graphic part detection means in accordance with the display form of the cursor displayed by the cursor display means;
Function as
The selection type setting means sets the type of selection of any one of the region, angle, and length of the figure according to the user operation,
The graphic part detecting means detects a graphic part having a closed area when the type of selection related to the graphic set by the selection type setting means is a graphic area, and detects the angle when the graphic type is an angle of the graphic. detecting the geometric portion comprising two sides forming, in the case of the length of the figure, because the program to function to sense the graphic portion of one line.

Images