CN104462691A - Method and device for implementation of intelligent drawing with mouse in dynamic geometric software - Google Patents
Method and device for implementation of intelligent drawing with mouse in dynamic geometric software Download PDFInfo
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Abstract
The invention discloses a method for implementation of intelligent drawing with a mouse in dynamic geometric software. The method includes the steps of 1, acquiring a mouse event and judging which geometric object is to be drawn; 2, responding to the mouse event to finish drawing. According to the technical scheme, when the mouse is in an intelligent pen state, a user operates the mouse and draws different geometric figures in response to the mouse event according to mouse operations and existing figures. During drawing, various common geometric objects can be drawn without switching a menu. The invention further discloses a device implementation of intelligent drawing with the mouse in the dynamic geometric software; the device allows intelligent drawing with the mouse.
Description
Technical field
The present invention relates to geometry software mapping field, refer to a kind of in dynamic geometry software, realize mouse intelligence picture method and device especially.
Background technology
Dynamic geometry software is that one can allow user make and operate geometric software.The geometric figure performed in dynamic geometry software can keep the mutual relationship between geometric object constant in change and motion.
In general dynamic geometry mapping software, user makes various dissimilar geometric object (as point, line, circle, various common polygon etc.), method of operating is generally divided into two steps: the first step, by the mapping type button in mouse choice menus or toolbar, arrange and current make graph type, namely first inform next computer user will do what; Second step, user operation mouse (as click, selection, dragging etc.) makes relevant geometric object.
Because a geometric figure is combined by multiple dissimilar geometric object often, as point, line, circle, various common polygon etc., therefore when completing with general dynamic geometry mapping software, user needs the difference in functionality of related menu or the button provided according to software, according to target and the sequencing of composition, ceaselessly switch between each menu or button with mouse, mouse is caused frequently to switch at selection Plotting Function and mapping interprocedual, add the number of times that mouse is clicked, the efficiency of impact mapping.
Such as, do one leg-of-mutton three high, need some following mouse action steps:
A () selects " line segment " button in " making line " instrument with mouse, make three limits;
B () clicks menu, switching mouse is " selection " state, selects the opposite side of a point and point;
C () clicks " vertical line " button in " making line " instrument, make corresponding vertical line;
D () clicks " intersection point " button in " doing a little " instrument, make corresponding intersection point;
E () clicks menu, switching mouse is " selection " state, selects vertical line to hide;
F () selects " line segment " button in " making line " instrument with mouse, make high line;
G () repeats step (b) to step (f), make two other height line.
Make geometric figure in this manner, because regular menu switches and mouse selection, mouse sometimes may be caused to falsely drop or leak choosing, thus affect accuracy and the fluency of mapping process.
Summary of the invention
An object of the present invention is to propose a kind of method realizing mouse intelligence and draw in dynamic geometry software, overcome the deficiencies in the prior art, when mouse enters picture state, user is without the need to switching menu, direct control mouse, and according to real-time prompting, just can make many common geometric objects quickly and accurately, comprise a little, line segment, circle, the mid point of line segment, point on line, point on circle, the intersection point of circumference and circumference, the intersection point of line and line, the intersection point of line and circumference, point is to the intersection point of line, isometric line segment, vertical equal line segment, the line segment parallel with known line segment, the line segment vertical with known line segment, the tangent line of circle, tangent line and round point of contact, equilateral triangle, parallelogram, the circle tangent with straight line, the intersection point of parallel lines and circle or straight line, the intersection point etc. of vertical line and circle or straight line.
Another object of the present invention proposes a kind of device realizing mouse intelligence and draw in dynamic geometry software, and the intelligence that this device can realize mouse is drawn.
Technical scheme of the present invention is achieved in that a kind of method realizing mouse intelligence and draw in dynamic geometry software, comprises the following steps:
Step one, gathers mouse event and judges to make which kind of geometric object;
Step 2, response mouse event is to complete mapping.
Preferably, the described method realizing mouse intelligence picture in dynamic geometry software, further comprising the steps of before described step one:
Steps A, does the contact between the geometric object that completes in graph region and object by the sequencing record of mapping;
Step B, calculates and the related information of the information of the new object of dynamic memory and new object and existing object;
Step C, follows the tracks of mouse and obtains the position coordinates at mouse place;
Step D, calculates and judges the relation of mouse position coordinate and other geometric objects;
Step e, the prompting specific position at user's mouse place and the relation of existing geometric object.
Preferably, gather mouse-click event, response mouse-click event completes picture point, and described mouse-click event is single left button mouse click or right button.
Preferably, do not unclamp after single left button mouse click and drag mouse, entering setting-out state, unclamping mouse and terminate setting-out.
Preferably, do not unclamp after double left button mouse click or a mouse click right button and drag mouse, entering picture round shape state, unclamping mouse and terminate picture circle.
In dynamic geometry software, realize the device that mouse intelligence is drawn, comprise with lower module:
Object record module: for recording all geometric objects making graph region;
Calculate memory module: for calculating and storing the related information between information and geometric object making all geometric objects in graph region;
Position acquisition module: making the position coordinates of graph region for obtaining mouse;
Position judging module: for the relation of the position and existing geometric object that judge mouse place;
Information reminding module: for the relation of the specific position and existing geometric object of pointing out user's mouse place;
Gather judge module: for gathering mouse event and judging to make which kind of geometric object;
Plot module: for responding mouse event to complete mapping.
The detailed process realizing mouse intelligence picture in dynamic geometry software is as follows:
Object record module does the contact between the geometric object that completes in graph region and object by the sequencing record of mapping, comprises the type of object, the parent object of object and subobject etc.;
Often make a new geometric object, calculate memory module and calculate and the related information of the information of the new object of dynamic memory and new object and existing object, comprise coordinate a little, the slope of line segment place straight line and equation, radius of a circle and equation etc.;
Position acquisition module is from motion tracking mouse and obtain the position coordinates (be called for short mouse position coordinate) at mouse place;
Position judging module, according to the different situations making point, line, circle three kinds of geometric objects, calculates and judges the relation of mouse position coordinate and other geometric objects;
When mouse is at the specific position be associated with other geometric objects, information reminding module provides relevant prompting automatically;
Collection judge module determines picture point, setting-out for the different operating of mouse or draws circle;
Plot module response mouse event completes picture.
Beneficial effect of the present invention is: adopt technical scheme of the present invention, and when mouse enters intelligent paintbrush state, user operation mouse, makes different geometric figures according to the operation of mouse and existing graphics response mouse event.All pass through to calculate due to all geometric objects of performing and the mutual relationship between them and determined, when mouse is close to the relation of meeting automatic decision mouse position coordinate and existing geometric object during these objects, and relevant prompting can be provided, user easily can make the new object of the known geometric object of association according to prompting.In the process of mapping, no longer need switching menu just can complete the operation of the common geometric object of many kinds.
Embodiment
For understanding the present invention better; below by following examples, elaboration concrete is further done to the present invention; but unintelligible is limitation of the invention; for some nonessential improvement and adjustment that those skilled in the art does according to foregoing invention content, be also considered as dropping in protection scope of the present invention.
Embodiment
The device that a kind of mouse intelligence is drawn is drawn by realizing intelligence with lower module:
Object record module: for recording all geometric objects making graph region;
Calculate memory module: for calculating and storing the related information between information and geometric object making all geometric objects in graph region;
Position acquisition module: making the position coordinates of graph region for obtaining mouse;
Position judging module: for the relation of the position and existing geometric object that judge mouse place;
Information reminding module: for the relation of the specific position and existing geometric object of pointing out user's mouse place;
Gather judge module: for gathering mouse event and judging to make which kind of geometric object;
Plot module: for responding mouse event to complete mapping.
The device that described mouse intelligence is drawn is an intelligent paintbrush, and without the need to switching menu, direct control mouse realizes Intelligent drawing:
(1) do a little
When mouse enters intelligent paintbrush state, during rolling mouse, all geometric objects of graph region made in object record module record; Calculate memory module calculate and store the related information between information and geometric object making all geometric objects in graph region; Position acquisition module obtains mouse and is making the position coordinates of graph region; Position judging module calculates mouse position coordinate and the distance d making the geometric objects such as the already present point of graph region, line or circumference automatically, if d is greater than given threshold value r, then click the mouse and can make a free point, otherwise the geometric object change Show Color that mouse is close, and provide specific prompting according to the position at mouse place:
(1) if the close point of mouse changes Show Color, now click the mouse and do not make new point;
(2) if the close line (line segment, ray or straight line) of mouse changes Show Color, now click the mouse and will make a point on this line;
(3) when line segment that mouse is close changes Show Color, and close to the point midway of line segment, information is " mid point ", now clicks the mouse and will make the mid point of this line segment;
(4) if mouse close circle changes Show Color, the point of of will make on this circle of now clicking the mouse;
(5) if close two lines of mouse change Show Color simultaneously, information is " intersection point ", the intersection point of now clicking the mouse making two lines;
(6) if the close line of mouse and a circle change Show Color simultaneously, information is " intersection point ", now clicks the mouse and will make an intersection point of the line nearest with mouse position and circle; Especially, if this line is tangent with circle, then clicks the mouse and will make their point of contact;
(7) if close two circles of mouse change Show Color simultaneously, information is " intersection point ", now clicks the mouse and will make intersection points of two circles nearest with mouse position.
(2) line (line segment, ray or straight line) is made
Do not unclamp after single left button mouse click and drag mouse (abbreviation is clicked left button and dragged) and enter setting-out state, terminate setting-out state after unclamping left mouse button, make the line segment with two-end-point.The starting point of line segment and terminal are respectively at the place of clicking the mouse with unclamp mouse place and make.
Here the method clicked or do a little after unclamping mouse is identical with the aforementioned various situations done a little.
Drag mouse during setting-out state, line segment starting point is determined when clicking the mouse, and line segment terminal is determined by mouse position coordinate when unclamping mouse.Position judging module will calculate the slope k etc. of the line of the distance s of mouse position coordinate and line segment starting point, mouse position coordinate and line segment starting point further, the result of calculating and the relevant information calculated in memory module is compared:
(1) if make graph region there is the line segment performed, click left button and drag, a certain bar line segment changes Show Color, and information be " equal ", and now unclamping mouse will make a new line segment equal with the line segment of change Show Color;
(2) if make graph region there is the line segment performed, click left button and drag, a certain bar line segment changes Show Color, and information be " vertically ", and now unclamping mouse will make a new line segment vertical with the line segment of change Show Color;
(3) if make graph region there is the line segment performed, click left button and drag, a certain bar line segment changes Show Color, and information be " parallel ", and now unclamping mouse will make a new line segment parallel with the line segment of change Show Color;
(4) if make graph region performed a line segment, left button is clicked an end points of this line segment and is dragged mouse, if this line segment changes Show Color, information is " equilateral ", and now unclamping mouse will make with the summit of this line segment equilateral triangle that is limit and another two limits;
(5) if make graph region performed a line segment, left button is clicked an end points of this line segment and is dragged mouse, if this line segment changes Show Color, information is " vertically equal ", and now unclamping mouse will make an equal new line segment vertical with this line segment;
(6) if make graph region there are two end to end line segment AB and BC, left button click-point A (some C) also drags, if BC (AB) changes Show Color, information is " parallelogram ", now unclamp mouse will make 1 D and make ABCD be parallelogram, and make line segment AD and CD;
(7) if make graph region there is the line performed, click left button drag and point to a line, if pointed line changes Show Color, information is " intersection point ", now unclamp mouse will make a bit to the intersection point on this line, and draw a little with the line section of intersection point;
(8) if make graph region there is the circle performed, click left button and drag and point to a circle outside circle, if pointed circle changes Show Color, information is " tangent ", and now unclamping mouse will make a tangent line of this circle;
(9) if make graph region there is the line or circle that perform, mouse enters setting-out state, if the line segment drawn and line A are close to vertical, and mouse position is close to certain object B (line or circle), if line A and object B all change Show Color, information is " intersecting vertically ", now unclamps mouse and will make intersection point and corresponding line segment;
(10) if make graph region there is the line or circle that perform, mouse enters setting-out state, if the line segment drawn and line A are close to parallel, and mouse position is close to certain object B (line or circle), if line A and object B all change Show Color, information is " parallel crossing ", now unclamps mouse and will make intersection point and corresponding line segment.
(3) justify
Do not unclamp and drag mouse after double left button mouse click or a mouse click right button and enter picture round shape state, terminate picture round shape state after unclamping mouse, making one has the center of circle and circle any circumference upper.Mouse place, at the place that clicks the mouse, circle is a bit being unclamped in the center of circle.
Here the method clicked or do a little after unclamping mouse is identical with the aforementioned situation done a little.
Drag mouse when drawing round shape state, the center of circle is determined when clicking the mouse, and circle is a bit determined by mouse position coordinate when unclamping mouse.Position judging module will calculate the distance r of mouse position coordinate with the center of circle and the equation of corresponding circle further, the result of calculating and the relevant information calculated in memory module is compared:
If make graph region there is the line performed, mouse enters picture round shape state, drags mouse, if certain line changes Show Color, information is " tangent ", now unclamps mouse by circle tangent for the line made from change Show Color.
Use intelligent paintbrush, user's direct control mouse, without the need to switching menu, according to the various promptings that system provides, just accurately can make following 19 kinds of common geometric objects:
(1) point: at mapping white space a mouse click, a point can be made.If there is the point performed the position of clicking the mouse, just do not make new point.
(2) line segment: press left mouse button dragging (hereinafter referred to as dragging) and draw line segment.
(3) isometric line segment: when dragging mouse setting-out section, if the line segment drawn and an existing line segment PQ length are close to equal, there will be prompt text " isometric ", line segment PQ can variable color simultaneously.Now unclamp left mouse button, just can draw one and the isometric line segment of PQ.
(4) equilateral triangle: if first depict line segment PQ when then continuing setting-out section by Q, occur " equilateral " prompting and line segment PQ variable color, unclamp left mouse button and just can obtain the equilateral triangle that take PQ as limit.
(5) vertically equal: if when first depicting line segment PQ then by Q continuation setting-out section, occur " vertically equal " prompting and line segment PQ variable color, unclamp left mouse button and just can obtain an equal line segment vertical with PQ.
(6) circle: double click or a mouse click right button then drag and just can draw circle, have made the center of circle and a point circumferentially simultaneously.
(7) mid point of line segment: mouse moves to close to line segment midpoint, clicks and can make object during neighbouring appearance " mid point " printed words.
(8) point circumferentially: mouse moves to circumference will make a part, circumference can variable color, at this moment clicks and can make object.
(9) point on line: when mouse moves near a line, this line meeting variable color, at this moment clicks the point of just having made on line.
(10) intersection point: this comprises circumference and circumference, line and line, line and circumference three class intersection point.Rolling mouse is to position of intersecting point, and two crossing objects all can variable color, and neighbouring appearance " intersection point " printed words, at this moment click and can make object.
(11) vertical with known line line segment: when dragging mouse setting-out section, if the line drawing (but not yet painting) is close to perpendicular to an existing line, this line can variable color, near there will be " vertically " printed words.At this moment unclamp left mouse button, just can depict a vertical line segment.
(12) to the intersection point of line: a bit drag setting-out section with mouse from straight line, when signing in close to intersection point position, corresponding straight line variable color and when there are " intersection point " printed words, unclamping left mouse button can make object.
(13) intersection point of vertical line and circle or line: during setting-out section, if line segment and line A are close to vertical, and mouse position is close to certain object B (comprising line, circumference), and line A and object B all can variable colors, near there will be " intersecting vertically " printed words.At this moment unclamp left mouse button and just can make intersection point.
(14) with the line segment of known line parallel: when dragging mouse setting-out section, if the line drawing (but not yet painting) is close to being parallel to an existing line, variable color understood by this line, near there will be " parallel " printed words.At this moment unclamp left mouse button, just can depict a parallel segment.
(15) intersection point of parallel lines and circle or line: during setting-out section, if line segment (not yet painting) and line A are close to parallel, and mouse position is close to certain object B (comprising line, circumference), line A and object B all can variable colors, near there will be " parallel intersect " printed words.At this moment unclamp left mouse button and just can make intersection point.
(16) parallelogram: when dragging mouse setting-out section, if the line segment drawing (but not yet painting) close to parallel and length close to equaling an existing line segment, existing line segment can variable color, near there will be " parallelogram " printed words.At this moment unclamp left mouse button, just can depict parallelogram.
(17) tangent line of circle: when dragging mouse setting-out section, if draw the straight line at the line segment place of (but not yet painting) close to tangent with a circle, circumference understands variable color and neighbouring appearance " tangent " printed words, at this moment unclamp left mouse button, just can depict one and round tangent straight line (not having point of contact).
(18) and the tangent circle of line: drag mouse and draw bowlder, if draw the circle of (but not yet painting) close to tangent with a line, straight line understands variable color and neighbouring appearance " tangent " printed words, at this moment unclamp left mouse button, just can depict one and the tangent circle (not having point of contact) of line.
(19) point of contact: if existing straight line and a circle tangent, mouse is moved on to point of contact place, straight line and circle all variable colors, and printed words " are intersected " in neighbouring appearance, at this moment click and can draw point of contact.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. in dynamic geometry software, realize the method that mouse intelligence is drawn, it is characterized in that, comprise the following steps:
Step one, gathers mouse event and judges to make which kind of geometric object;
Step 2, response mouse event is to complete mapping.
2. in dynamic geometry software, realize the method that mouse intelligence is drawn as claimed in claim 1, it is characterized in that, comprise the following steps before described step one:
Steps A, does the contact between the geometric object that completes in graph region and object by the sequencing record of mapping;
Step B, calculates and the related information of the information of the new object of dynamic memory and new object and existing object;
Step C, follows the tracks of mouse and obtains the position coordinates at mouse place;
Step D, calculates and judges the relation of mouse position coordinate and other geometric objects;
Step e, the prompting specific position at user's mouse place and the relation of existing geometric object.
3. in dynamic geometry software, realize the method that mouse intelligence is drawn as claimed in claim 1 or 2, it is characterized in that: gather mouse-click event, response mouse-click event completes picture point, and described mouse-click event is single left button mouse click or right button.
4. in dynamic geometry software, realize the method that mouse intelligence is drawn as claimed in claim 1 or 2, it is characterized in that: do not unclamp after single left button mouse click and drag mouse, enter setting-out state, unclamp mouse and terminate setting-out.
5. in dynamic geometry software, realize as claimed in claim 1 or 2 the method that mouse intelligence is drawn, it is characterized in that: do not unclamp after double left button mouse click or a mouse click right button and drag mouse, entering picture round shape state, unclamp mouse and terminate picture circle.
6. in dynamic geometry software, realize the device that the mouse intelligence as described in claim 1-2 is drawn, it is characterized in that comprising with lower module:
Object record module: for recording all geometric objects making graph region;
Calculate memory module: for calculating and storing the related information between information and geometric object making all geometric objects in graph region;
Position acquisition module: making the position coordinates of graph region for obtaining mouse;
Position judging module: for the relation of the position and existing geometric object that judge mouse place;
Information reminding module: for the relation of the specific position and existing geometric object of pointing out user's mouse place;
Gather judge module: for gathering mouse event and judging to make which kind of geometric object;
Plot module: for responding mouse event to complete mapping.
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| CN107369198A (en) * | 2017-08-05 | 2017-11-21 | 中山大学 | A kind of more broken line method for drafting for ARCGIS Web maps |
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| CN104462691B (en) | 2017-12-26 |
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