CN114816594A - Method and device for detecting topology collision - Google Patents
Method and device for detecting topology collision Download PDFInfo
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- CN114816594A CN114816594A CN202110059280.3A CN202110059280A CN114816594A CN 114816594 A CN114816594 A CN 114816594A CN 202110059280 A CN202110059280 A CN 202110059280A CN 114816594 A CN114816594 A CN 114816594A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
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- G06F8/31—Programming languages or programming paradigms
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Abstract
The invention discloses a method and a device for detecting topology collision, wherein the method comprises the following steps: dragging the equipment group or equipment in the equipment group to acquire all objects in the canvas; judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all objects in the canvas; and judging which objects in the canvas need to be hidden according to the judged size relationship. The method and the device can detect the collision when the equipment group moves and detect the collision when the width and the height of the equipment group change, so that the equipment group can be clearly distinguished on the premise that the topology classifies the equipment.
Description
Technical Field
The invention relates to the technical field of network topology, in particular to a method and a device for detecting topology collision.
Background
Topology is topology in the field of mathematics, network topology in the field of electronic computer communications and networks. Network topology refers to a specific arrangement of the members that make up a network, generally divided into physical, real, and on-line structures, or logical, virtual, and programmatic; it may refer to the overall configuration of network computers, cables, hubs, and other devices. The topology currently used is to implement the connection relationships between devices and the cloud.
When the number of the topology devices is large enough, the devices are grouped to form a device group, operation events such as device group dragging can cause position overlapping between the device groups, and the displayed devices and the device groups are unclear, so that collision detection needs to be performed on the device groups.
Disclosure of Invention
In view of the above situation, the present invention provides a method and an apparatus for detecting a topology collision, which implement collision detection when a device group moves a position, and perform collision detection on device groups around the device group when the width and height of the device group itself change.
In order to achieve the purpose, the invention adopts the following technical scheme:
in an embodiment of the present invention, a method for detecting a topology collision is provided, where the method includes:
dragging the equipment group or equipment in the equipment group to acquire all objects in the canvas;
judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all objects in the canvas;
and judging which objects in the canvas need to be hidden according to the judged size relation.
Further, dragging a device group or devices in the device group, and acquiring all objects in the canvas, including:
when the device group or the devices in the device group drag and move positions or drive the width and height of the device group to change, the collision detection codes are written into a dragging event, and all objects in the topology are obtained, wherein the objects comprise points and connecting lines, and the points comprise the devices and the device group.
Further, judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all the objects in the canvas, including:
circulating object arrays, respectively placing points and connecting lines in the two arrays, setting an object of a global point, and taking the id of all the points as an object key value;
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
all points are recycled again in the outermost layer, putting the id of the point into the object of the global point set before.
Further, according to the judged size relationship, judging which objects in the canvas need to be hidden, including:
after the id of a point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
In an embodiment of the present invention, a device for detecting a topological collision is further provided, where the device includes:
the dragging module is used for dragging the equipment group or equipment in the equipment group to acquire all objects in the canvas;
the topology collision detection module is used for judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all objects in the canvas; and judging which objects in the canvas need to be hidden according to the judged size relation.
Further, the dragging module is specifically configured to:
when the device group or the devices in the device group drag and move positions or drive the width and height of the device group to change, the collision detection codes are written into a dragging event, and all objects in the topology are obtained, wherein the objects comprise points and connecting lines, and the points comprise the devices and the device group.
Further, judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all the objects in the canvas, including:
circulating object arrays, respectively placing points and connecting lines in the two arrays, setting an object of a global point, and taking the id of all the points as an object key value;
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
all points are recycled again in the outermost layer, putting the id of the point into the object of the global point set before.
Further, according to the judged size relationship, judging which objects in the canvas need to be hidden, including:
after the id of a point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
In an embodiment of the present invention, a computer device is further provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the processor implements the foregoing method for detecting a topological collision.
In an embodiment of the present invention, a computer-readable storage medium is also presented, in which a computer program for executing the method for detecting a topological collision is stored.
Has the advantages that:
the invention carries out collision detection when the equipment group moves and carries out collision detection when the width and the height of the equipment group change, thereby being capable of clearly distinguishing the equipment group on the premise of classifying the equipment by topology.
Drawings
FIG. 1 is a flowchart illustrating a method for detecting a topological collision according to an embodiment of the present invention;
FIG. 2 is a diagram of an example of detecting a topological collision in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an apparatus for detecting topological collision according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described below with reference to several exemplary embodiments, which should be understood to be presented only to enable those skilled in the art to better understand and implement the present invention, and not to limit the scope of the present invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As will be appreciated by one skilled in the art, embodiments of the present invention may be embodied as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of: entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
According to the embodiment of the invention, a method and a device for detecting topological collision are provided, and the collision detection when a device group moves is as follows: after the topology is displayed, the devices are divided into a plurality of groups called device groups, when the device groups drag to move positions and cover other device groups, the devices in the covered device groups are hidden, and when the device groups move to other positions and do not cover other device groups, the device groups can be displayed; collision detection when the width and height of the equipment group change: after the devices in the topology are classified into several device groups, the width and the height of the device groups can be automatically changed according to the positions of the devices, the width and the height of the device groups can be driven to change when the devices are dragged, other device groups can be possibly covered when the width and the height change to a certain degree, and at the moment, collision detection needs to be carried out on the two device groups.
The principles and spirit of the present invention are explained in detail below with reference to several representative embodiments of the invention.
Fig. 1 is a flowchart illustrating a method for detecting a topological collision according to an embodiment of the present invention. As shown in fig. 1, the method includes:
dragging the equipment group or equipment in the equipment group, and acquiring all equipment, equipment groups and connecting lines in the canvas:
when the equipment group or equipment in the equipment group carries out dragging and moving positions or drives the width and the height of the equipment to change, writing a collision detection code into a dragging event, and acquiring all objects in the topology, including points and connecting lines, wherein the points include the equipment and the equipment group;
judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all objects in the canvas; judging which objects in the canvas need to be hidden according to the judged size relation:
circulating object arrays, respectively placing points and connecting lines in the two arrays, setting an object of a global point, and taking the id of all the points as an object key value;
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
and all the points are circulated again in the outermost layer, after the id of each point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
It should be noted that although the operations of the method of the present invention have been described in the above embodiments and the accompanying drawings in a particular order, this does not require or imply that these operations must be performed in this particular order, or that all of the operations shown must be performed, to achieve the desired results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
For a clearer explanation of the above method for detecting topological collision, a specific embodiment is described below, however, it should be noted that the embodiment is only for better explaining the present invention and is not to be construed as an undue limitation to the present invention.
Device group drag collision detection:
when a device group is dragged, writing a collision detection code in a dragging event, acquiring all objects in a topology, circulating object arrays, respectively placing points (including devices and the device group) and connecting lines in the two arrays, setting an object of a global point, and taking id of all the points as an object key value;
for example:
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
for example:
and all the points are circulated again in the outermost layer, after the id of each point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
For example:
FIG. 2 is a diagram of an example of detecting a topological collision according to an embodiment of the present invention. As shown in fig. 2, when the device group is dragged, the shanghai area covers the beijing area, and it is detected that the two device groups collide with each other, and then the character of the device and the beijing area is hidden in the beijing area.
Device group width high variation collision detection:
the width and the height of the equipment group are enlarged or reduced by dragging the equipment in the equipment group, and when the equipment in the equipment group is dragged, a dragging event is bound to the equipment in the same way;
for example:
this.on('mousedown',this._dragStart,this)；
this.on('mousemove',this._drag,this)；
this.on('mouseup',this._dragEnd,this)；
the method comprises the steps of using a function method executed when an equipment group is dragged, further detecting collision when the width and the height of the equipment group are increased, namely when the equipment is dragged, the width and the height of the equipment group can change along with the dragging of the equipment, monitoring the position of the equipment constantly, updating the width and the height of the equipment group where the current equipment is located according to the position of the equipment, when the equipment is dragged, acquiring all points including the equipment and the equipment group, circulating all the points, acquiring xy values of the upper left corner and the lower right corner of the point, and detecting the collision when the xy value of the equipment group where the current equipment is located is contained in the xy value of the other equipment group.
Based on the same inventive concept, the invention also provides a device for detecting topology collision. The implementation of the device can be referred to the implementation of the method, and repeated details are not repeated. The term "module," as used below, may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a schematic structural diagram of an apparatus for detecting topological collision according to an embodiment of the present invention. As shown in fig. 3, the apparatus includes:
a dragging module 101, configured to drag a device group or devices in the device group, and obtain all objects in the canvas; the method comprises the following specific steps:
when the device group or the devices in the device group drag and move positions or drive the width and height of the device group to change, the collision detection codes are written into a dragging event, and all objects in the topology are obtained, wherein the objects comprise points and connecting lines, and the points comprise the devices and the device group.
The topology collision detection module 102 is configured to determine a magnitude relationship between xy values of left and right sides of a currently dragged element and xy values of all objects in the canvas; according to the judged size relationship, judging which objects in the canvas need to be hidden specifically as follows:
circulating object arrays, respectively placing points and connecting lines in the two arrays, setting an object of a global point, and taking the id of all the points as an object key value;
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
and all the points are circulated again in the outermost layer, after the id of each point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
It should be noted that although several modules of the apparatus for detecting topological collisions are mentioned in the above detailed description, such partitioning is merely exemplary and not mandatory. Indeed, the features and functionality of two or more of the modules described above may be embodied in one module according to embodiments of the invention. Conversely, the features and functions of one module described above may be further divided into embodiments by a plurality of modules.
Based on the aforementioned inventive concept, as shown in fig. 4, the present invention further provides a computer device 200, which includes a memory 210, a processor 220 and a computer program 230 stored in the memory 210 and executable on the processor 220, wherein the processor 220 implements the aforementioned method for detecting a topological collision when executing the computer program 230.
Based on the foregoing inventive concept, the present invention also provides a computer-readable storage medium storing a computer program for executing the foregoing method for detecting a topological collision.
The method and the device for detecting topology collision can clearly distinguish equipment groups on the premise that the topology classifies the equipment.
While the spirit and principles of the invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in such aspects may not be combined to benefit. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
The limitation of the protection scope of the present invention is understood by those skilled in the art, and various modifications or changes which can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention are still within the protection scope of the present invention.
Claims (10)
1. A method of detecting a topological collision, the method comprising:
dragging the equipment group or equipment in the equipment group to acquire all objects in the canvas;
judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all objects in the canvas;
and judging which objects in the canvas need to be hidden according to the judged size relation.
2. The method according to claim 1, wherein dragging the device group or devices in the device group to obtain all objects in the canvas comprises:
when the device group or the devices in the device group drag and move positions or drive the width and height of the device group to change, the collision detection codes are written into a dragging event, and all objects in the topology are obtained, wherein the objects comprise points and connecting lines, and the points comprise the devices and the device group.
3. The method for detecting topological collision according to claim 1, wherein the step of judging the magnitude relation between xy values of the left side and the right side of the currently dragged element and xy values of all objects in the canvas comprises the steps of:
circulating object arrays, respectively placing points and connecting lines in the two arrays, setting an object of a global point, and taking the id of all the points as an object key value;
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
all points are recycled again in the outermost layer, putting the id of the point into the object of the global point set before.
4. The method of claim 1, wherein determining which objects in the canvas need to be hidden according to the determined magnitude relationship comprises:
after the id of a point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
5. An apparatus for detecting topological collisions, the apparatus comprising:
the dragging module is used for dragging the equipment group or equipment in the equipment group to acquire all objects in the canvas;
the topology collision detection module is used for judging the size relationship between the xy values of the left side and the right side of the currently dragged element and the xy values of all objects in the canvas; and judging which objects in the canvas need to be hidden according to the judged size relation.
6. The device for detecting topological collisions according to claim 5, wherein the dragging module is specifically configured to:
when the device group or the devices in the device group drag and move positions or drive the width and height of the device group to change, the collision detection codes are written into a dragging event, and all objects in the topology are obtained, wherein the objects comprise points and connecting lines, and the points comprise the devices and the device group.
7. The apparatus for detecting topology collision according to claim 5, wherein determining the relationship between xy values of left and right sides of the currently dragged element and xy values of all objects in the canvas comprises:
circulating object arrays, respectively placing points and connecting lines in the two arrays, setting an object of a global point, and taking the id of all the points as an object key value;
circulating the array of all the points, obtaining xy values of the upper left corner and the lower right corner of each point, obtaining the equipment contained in the equipment group when the point is just the equipment group, and circulating the array of all the points once again, wherein the inner layer circulation also obtains xy values of the upper left corner and the lower right corner of each point;
all points are recycled again in the outermost layer, putting the id of the point into the object of the global point set before.
8. The apparatus for detecting topology collision according to claim 5, wherein determining which objects in the canvas need to be hidden according to the determined magnitude relationship comprises:
after the id of a point is placed in the object of the global point set before, if the corresponding value array is not a null array, the point needs to be hidden, and if the corresponding value array is a null array, the point needs to be displayed.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of any of claims 1-4 when executing the computer program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for performing the method of any one of claims 1-4.
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