CN114153350B - Map scaling method and device, storage medium and electronic equipment - Google Patents
Map scaling method and device, storage medium and electronic equipment Download PDFInfo
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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]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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- 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
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- G06F2203/048—Indexing scheme relating to G06F3/048
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Abstract
The disclosure relates to a map scaling method, a device, a storage medium and an electronic apparatus, wherein the method comprises the following steps: determining a focus position of a current operation focus of a user in a target map in response to a zooming operation of the user on the displayed target map, wherein the target map comprises at least one map node; determining a target map node from the map nodes according to the focal position; and according to the scaling operation, scaling the target map by taking the target map node as a scaling center point. According to the map scaling method, the map scaling device, the storage medium and the electronic equipment, the scaling center point can be flexibly adjusted to be the target map node around the focal position, so that the effectiveness of user scaling operation is improved, a user can conveniently and rapidly and accurately check the target map node around the focal position, and the user experience is improved.
Description
Technical Field
The disclosure relates to the technical field of terminal processing, in particular to a map scaling method, a map scaling device, a storage medium and electronic equipment.
Background
In the case that a large number of nodes exist in the map, in order to facilitate the user to better understand the content of the whole map, a zoom function needs to be added to the map so that the user can zoom in or out on the map through the zoom function, and therefore the user can conveniently view the map from both global and local aspects.
The current map scaling is directly scaled by taking the current operation focus of the user as a scaling center point, the scaling mode is single, the flexibility is poor, and when the current operation focus of the user is positioned at the boundary or other blank areas of the map, the scaling operation of the user on the map cannot have any effect of facilitating the user to view the map, so that the effectiveness of the scaling operation of the user is low, and the experience of the user to view the map quickly and accurately is reduced.
Disclosure of Invention
An object of the present disclosure is to provide a map scaling method, apparatus, storage medium, and electronic device, so as to solve the above-mentioned problems in the related art.
To achieve the above object, a first aspect of the present disclosure provides a map scaling method, the method comprising:
determining a focus position of a current operation focus of a user in a target map in response to a zooming operation of the user on the displayed target map, wherein the target map comprises at least one map node;
determining a target map node from the map nodes according to the focus position;
and according to the scaling operation, scaling the target map by taking the target map node as a scaling center point.
Optionally, the determining a target map node from the map nodes according to the focal position includes:
and taking the map node at the focus position as the target map node when the map node exists at the focus position.
Optionally, the determining a target map node from the map nodes according to the focal position includes:
under the condition that the map nodes do not exist in the focal position, acquiring the distance between each map node and the focal position, and determining the map node with the shortest distance as a pending node, wherein the pending node comprises at least one node;
and determining a target map node according to the undetermined node.
Optionally, the determining a target map node from the map nodes according to the focal position includes:
and under the condition that candidate map nodes exist in a preset range around the focal position, taking the map node with the shortest distance from the focal position among the candidate map nodes as the target map node.
Optionally, the determining a target map node from the map nodes according to the focal position includes:
And under the condition that candidate map nodes do not exist in a preset range around the focus position, taking the map node with the shortest distance from the focus position as the target map node.
Optionally, the method further comprises:
and refusing to respond to the zooming operation under the condition that no candidate map nodes exist in a preset range around the focus position.
Optionally, the determining the target graph node according to the undetermined node includes:
taking the undetermined node as the target map node under the condition that the undetermined node is one; or alternatively, the process may be performed,
and under the condition that a plurality of undetermined nodes are provided, the undetermined node with the shortest distance from the preset position in the target map is used as the target map node.
Optionally, the preset position includes a center position of the target map.
Optionally, the scaling the target map with the target map node as a scaling center point according to the scaling operation includes:
determining a zoom type corresponding to the zoom operation, wherein the zoom type comprises an amplifying operation and a shrinking operation;
obtaining a scaling rate corresponding to the scaling type;
And scaling the target map by taking the target map node as a scaling center point according to the scaling rate.
Optionally, the method further comprises:
if the amplification operation of the user on the target map is detected under the condition that the amplification factor of the target map reaches a preset amplification factor, refusing to respond to the amplification operation; or alternatively, the process may be performed,
and under the condition that the zoom-out multiple of the target map reaches a preset zoom-out multiple, if the zoom-out operation of the user on the target map is detected, refusing to respond to the zoom-out operation.
Optionally, the zooming operation includes a triggering operation of the displayed zooming key by the user; or, the user performs a scrolling operation on the mouse wheel.
Optionally, the determining the focal position of the current operation focal point of the user in the target map includes:
in the case that the zoom operation includes a scroll operation of a mouse wheel by the user, taking a position of the mouse cursor in the target map as the focus position; or alternatively, the process may be performed,
and under the condition that the zooming operation comprises the triggering operation of the user on the displayed zooming key, taking the position of the focus frame in the target map as the focus position.
Optionally, the method further comprises:
and under the condition that the scaling operation comprises the triggering operation of the displayed scaling key by the user, scaling the target map by taking the central position of the target map as a scaling central point according to the scaling operation.
In a second aspect, the present disclosure provides a map scaling apparatus, the apparatus comprising:
a first determining module, configured to determine a focal position of a current operation focal point of a user in a target spectrum in response to a scaling operation of the user on a displayed target spectrum, where the target spectrum includes at least one spectrum node;
the second determining module is used for determining a target map node from the map nodes according to the focus position;
and the scaling module is used for scaling the target map by taking the target map node as a scaling center point according to the scaling operation.
In a third aspect, the present disclosure provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of the first aspect of the present disclosure.
In a fourth aspect, the present disclosure provides an electronic device comprising: a memory having a computer program stored thereon; a processor for executing the computer program in the memory to implement the steps of the method of the first aspect of the disclosure.
Through the technical scheme, the zoom center point can be flexibly adjusted to be the target map nodes around the focal position, so that the effectiveness of user zoom operation is improved, a user can conveniently and rapidly check the target map nodes around the focal position, and the user experience is improved.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a flow chart of a method of map scaling provided by an embodiment of the present disclosure;
FIG. 2 is a schematic illustration of a map scaling interface provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another map scaling interface provided by an embodiment of the present disclosure;
FIG. 4 is a flow chart of another method of map scaling provided by an embodiment of the present disclosure;
FIG. 5 is a flow chart of another method of map scaling provided by an embodiment of the present disclosure;
FIG. 6 is a flow chart of another method of map scaling provided by an embodiment of the present disclosure;
Fig. 7 is a schematic structural diagram of a map scaling device according to an embodiment of the present disclosure;
FIG. 8 is a schematic diagram of another embodiment of a zoom apparatus according to the present disclosure;
fig. 9 is a block diagram of an electronic device provided by an embodiment of the present disclosure.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
It should be noted that, in this disclosure, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or order of indication or implying any particular order; the terms "S101", "S102", "S201", "S202", etc. are used to distinguish steps and are not necessarily to be construed as performing the method steps in a particular order or sequence; when the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated.
First, an application scenario of the present disclosure will be described. The present disclosure may be applied to a graph scaling scenario, where a graph refers to a relationship network obtained by connecting together a plurality of different kinds of information, and is composed of nodes, and links between nodes, where each node represents an "entity" existing in the real world, and each link is a "relationship" between entities, for example, the graph may be a social relationship graph of an enterprise, and then different nodes may be different enterprises, and each link may represent a social relationship between every two enterprises, such as investment, tenure, patent, bidding, and complaint. Generally, when the map is displayed, the map is displayed according to a global display mode by default, namely all nodes and connecting lines of the whole map are displayed on a display page, however, because the number of enterprises may be more, social relations among enterprises may be more complex, the number of nodes and connecting lines included in the global display map may be more, and because the display range of the display page is limited, the size of the node display may be smaller, and the display of the connecting lines may be disordered, at this time, if a user needs to clearly check the social relations of a specific enterprise, the map needs to be amplified to facilitate the user to check the local content of the map, and after the user checks, the amplified map may be reduced to globally display the map. Vice versa, no further description is given here.
It should be understood that a relationship network may include only one node, and no connection between nodes, such as a social relationship graph of an enterprise, where only one enterprise exists, has no relationship with other enterprises or individuals.
In the related art, when a user performs scaling operation (zoom-out operation and zoom-in operation) on a map, the user directly performs the scaling operation by taking the current operation focus of the user as a scaling center point, and the scaling mode is relatively single and has low flexibility, and when the current operation focus of the user is located at a boundary or other blank area of the map, the scaling operation performed on the map by the user often cannot have any effect of facilitating the user to view the map, which results in low effectiveness of the scaling operation of the user, and reduces the experience of the user to view the map.
In order to solve the above problems, embodiments of the present disclosure provide a map scaling method, apparatus, storage medium, and electronic device, which are capable of flexibly adjusting a scaling center point to a target map node around a focal position, so that not only is the effectiveness of a user scaling operation improved, but also a user is facilitated to quickly and accurately view the target map node around the focal position, and user experience is improved.
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
Fig. 1 is a graph scaling method according to an embodiment of the disclosure, as shown in fig. 1, the method may include:
s101, responding to the zooming operation of a user on the displayed target map, and determining the focus position of the current operation focus of the user in the target map.
Wherein the target atlas may comprise at least one atlas node.
For example, the target graph may be a social relationship graph of an enterprise in which graph nodes are used to represent a central enterprise or a target enterprise, and a link between nodes is used to represent a social relationship between two enterprises, such as investment, job title, patent, bid, and complaint. When the user is interested in the social relationship of the target enterprise, the social relationship of the target enterprise can be clearly viewed by scaling the target graph.
The type of the zoom-in operation may include a zoom-out operation for zooming in on the map and a zoom-out operation for zooming out on the map.
In an alternative implementation, the zoom operation may include a scroll operation of a mouse wheel by the user. For example, the user triggers an zoom-in operation in the case of scrolling the mouse wheel in a first direction and a zoom-out operation in the case of scrolling the mouse wheel in a second direction, wherein the first and second directions are opposite directions.
In another alternative implementation, the zoom operation may include a triggering operation of the presented zoom key by the user. For example, if the display page of the target map may be provided with an zoom-in button and a zoom-out button, the zoom-in operation is triggered when the user clicks the zoom-in button, and the zoom-out operation is triggered when the user clicks the zoom-out button. Specifically, when the user triggers the full screen mode, an amplifying button and a shrinking button are added in the target map, if the user clicks the amplifying button, the amplifying operation is triggered, and if the user clicks the shrinking button, the shrinking operation is triggered.
In the case that the zoom operation includes a scroll operation of the mouse wheel by the user, the operation focus may be a cursor of the mouse, and then a position of the mouse cursor in the target map may be taken as the focus position, and the user may adjust the focus position by moving the mouse.
For example, as shown in fig. 2, taking an enterprise social relationship graph as an example, circles in the graph represent each node, and a connection line between every two nodes represents the social relationship of the two nodes, and in fig. 2, the position of the cursor of the mouse is the focal position.
When the zoom operation includes a triggering operation of the user on the displayed zoom key, the operation focus may be a focus frame, and the position of the focus frame in the target map may be used as the focus position, and the user may adjust the focus position through a directional control key on the keyboard.
For example, as shown in fig. 3, still taking the social relationship graph of the enterprise as an example, a focus frame may be displayed on a display page of the target graph, and a user may control the focus frame to move on the display page through a directional control key on the keyboard. Wherein the zoom key comprises a "+" key for amplifying the map and a "-" key for reducing the map, the user can click the corresponding key to amplify and reduce the map through a mouse, the position of the focus frame is the focus position, the user can control the movement of the focus frame through the direction control key, for example, the direction control key can be a "tube", a "≡," C "," C "→" four direction control keys on the keyboard, when the user triggers the "≡key, the focus frame can move to the upper side of the display page, when the user triggers the" ≡key, the focus frame can move to the lower side of the display page, when the user triggers the "≡key, the focus frame can move to the left side of the display page, and when the user triggers the" → "key, the focus frame can move to the right side of the display page, so that the focus position of an operation focus of the user is adjusted.
S102, determining a target map node from the map nodes according to the focus position.
In some embodiments, the map node located at the focal position may be the target map node in the case that the map node exists at the focal position. In this embodiment, because the focus position has the map node, the map node that the focus position has is most likely to be the map node that the user wants to view (such as the map node that the user is interested in), and this way can save the step of selecting the zoom center point by the user, reduce the time spent for zooming and viewing, and improve the efficiency.
In other embodiments, in the case that no map node exists at the focal position, it is considered that the map node closer to the focal position may become the map node that the user wants to view, and therefore, the map node that is the shortest from the focal position among the map nodes may be regarded as the target map node. The method can save the step of selecting the zoom center point by the user, reduce the time spent in zooming and checking, and improve the efficiency.
For example, in the case that the map node does not exist in the focal position, a distance between each map node and the focal position may be acquired, and a map node with the shortest distance is determined to be a pending node, where the pending node includes at least one; and determining a target map node according to the undetermined node.
It should be noted that, since the number of the pending nodes located at the shortest distance from the focal position may be one or more, in one possible implementation manner, in a case that the pending node is one, the pending node is taken as the target map node; or under the condition that the number of the undetermined nodes is multiple, the undetermined node with the shortest distance from the preset position in the target map is used as the target map node.
In the case that the number of the pending nodes is plural, that is, the number of the map nodes with the shortest distance from the focal point is plural, at this time, the distance between each pending node and the preset position may be calculated, and the pending node with the shortest distance may be used as the target map node. In this way, when there are a plurality of map nodes with the shortest distance from the focal position, the target map node can be determined by the distance from the preset position, so that the situation that the target map node cannot be determined when the number of the undetermined nodes is multiple is avoided.
In addition, in the case where the distances between the plurality of undetermined nodes and the preset position are also the same, it is possible to select which of the undetermined nodes is the target map node by the user by highlighting the plurality of undetermined nodes having the same distance from the preset position in the target map, or to randomly select any of the undetermined nodes as the target map node.
The preset position includes a central position of the target map, and a person skilled in the art may select the position of the preset position according to actual needs, which is not limited in this disclosure. And, the preset position may be preselected by the user or randomly selected.
In order to solve the problem, in another embodiment of the present disclosure, when it is determined that there are candidate map nodes in a preset range around the focal position, a map node with a shortest distance from the focal position among the candidate map nodes may be used as the target map node, where the candidate map node is a map node in the preset range around the focal position. Therefore, only the node with the shortest distance from the focus position is determined from the map nodes in the preset range around the focus position, and the distance between each map node in the target map and the focus position is not required to be acquired, so that the consumption of processing resources is reduced, and the efficiency of map scaling is improved.
In this step, in the case where the number of the candidate map nodes is one, the candidate map node may be regarded as the target map node, that is, in the case where the number of the candidate map nodes is one, the candidate map node is the map node that the user wants to view.
In the case that the number of the candidate spectrum nodes is a plurality of, the spectrum node which the user wants to view needs to be determined from the plurality of candidate spectrum nodes, one alternative implementation way is to randomly determine one spectrum node from the plurality of candidate spectrum nodes as a target spectrum node, and another alternative implementation way is to take the spectrum node which is the shortest in distance from the focal position in the plurality of candidate spectrum nodes as the target spectrum node.
For example, a first coordinate of the focal position in the target spectrum and a second coordinate of each candidate spectrum node in the target spectrum may be obtained, a distance between the focal position and each candidate spectrum node is calculated according to the first coordinate and the second coordinate, and the candidate spectrum node with the shortest distance is taken as the target spectrum node.
Of course, in the case where the number of candidate map nodes is plural, the present embodiment may use the candidate map node having the shortest distance from the preset position as the target map node.
S103, according to the scaling operation, scaling the target map by taking the target map node as a scaling center point.
Because the target spectrum node is the spectrum node which the user wants to view, the target spectrum is scaled by taking the target spectrum node as a scaling center point, and the target spectrum can be flexibly scaled according to the spectrum node which the user wants to view.
It should be noted that, considering that the current operations on the map are mostly completed through a mouse, for the case that the zoom operation includes the triggering operation of the user on the displayed zoom key, there may not be a focus frame on the displayed page, and in other embodiments, in this case that the zoom operation includes the triggering operation of the user on the displayed zoom key, the zoom process may also be performed on the target map with the center position of the target map as the zoom center point according to the zoom operation. In this way, different scaling operations can select different scaling processing modes, so that the scaling of the map is more flexible.
In addition, in the case where it is determined that the candidate map node does not exist within a preset range around the focal position, the response zoom operation is refused. Under the condition that the candidate spectrum nodes are not present in the preset range around the focal position, the condition that the spectrum nodes which the user wants to view are not present on the target spectrum may be indicated, and the scaling operation at the moment may be misoperation, so that the scaling operation can be refused, namely the scaling operation is not carried out on the target spectrum, thereby avoiding the influence of misoperation on the target spectrum and improving the user experience.
By adopting the scheme, the zoom center point can be flexibly adjusted to be the target map nodes around the focus position, so that the effectiveness of the user zoom operation is improved, the user can conveniently and rapidly check the target map nodes around the focus position, and the user experience is improved.
Fig. 4 is a flowchart of another map scaling method according to an embodiment of the disclosure, as shown in fig. 4, the step S103 may include the following steps:
s1031, determining the zoom type corresponding to the zoom operation.
Wherein the zoom type includes zoom in and zoom out.
S1032, a scaling rate corresponding to the scaling type is acquired.
The scaling rate is used for representing the scaling multiple of each operation when the user uses the scaling operation, and different scaling types correspond to different scaling rates.
The zoom rate includes a first zoom rate and a second zoom rate, and in the case that a zoom operation performed on the target map by the user is detected as a zoom operation, the target map is zoomed in according to the first zoom rate. For example, the first scaling rate may be set to 1.03, i.e., the size of each magnification is 1.03 times the size of the next magnification; and in the case that the zoom-out operation performed on the target map by the user is detected as the zoom-in operation, performing the zoom-out operation on the target map according to the second zoom rate. For example, the second zoom rate may be set to 0.95, i.e., the size of each zoom out is 0.95 times the size of the next.
S1033, scaling the target map by taking the target map node as a scaling center point according to the scaling rate.
Illustratively, after the target map node and the scaling rate are obtained, scaling the target map with the target map node as a scaling center according to the scaling rate. For example, after a certain target enterprise in the enterprise social query graph is determined as a target graph node, scaling operation of a user on the target graph is detected, corresponding scaling rate is obtained according to the scaling operation, and then the obtained first scaling rate or second scaling rate is used as scaling parameters of a scaling function in a graph layer and is input, and scaling processing is performed on the target graph by using the scaling function.
Further, if the amplifying operation of the user on the target map is detected under the condition that the amplifying magnification of the target map reaches the preset amplifying magnification, rejecting the response to the amplifying operation; or if the zoom-out operation of the user on the target map is detected under the condition that the zoom-out multiple of the target map reaches the preset zoom-out multiple, refusing to respond to the zoom-out operation. In this way, by setting the upper limit of the scaling multiple of the scaling operation, the spectrum can be prevented from being infinitely scaled, and the user experience is prevented from being influenced.
Illustratively, the preset reduction factor may be set to 0.5 times the original target profile, and the preset magnification factor may be set to 1.5 times the original target profile; for example, after the target pattern has been enlarged 1.5 times the original target pattern, if the enlargement operation of the target pattern by the user is continued to be detected, the response to the enlargement operation is refused.
Likewise, after the target pattern has been reduced to 0.5 times the original target pattern, if the reduction operation performed by the user on the target pattern is continued to be detected, the response to the reduction operation is refused.
By adopting the scheme, when the scaling operation is executed, the corresponding scaling operation can be executed according to the scaling request of the user, and different scaling speeds can be corresponding in the process of executing the corresponding scaling operation, so that the map cannot be negligibly small in scaling, the scaling has 'pause feeling', and the smooth experience of the user in scaling is ensured. And by setting the upper limit of the scaling multiple of the scaling operation, the situation that the map is infinitely scaled and the user experience is influenced can be avoided.
Fig. 5 is a flowchart of another map scaling method provided by an embodiment of the present disclosure, as shown in fig. 5, the method may include:
s501, obtaining a scaling operation of a user on the displayed target map.
The target map comprises at least one map node, and the scaling operation comprises triggering operation of the user on the displayed scaling key; or, the user performs a scroll operation of the mouse wheel.
The type of the zoom-in operation may include a zoom-out operation for zooming in on the map and a zoom-out operation for zooming out on the map.
The zoom operation includes a scroll operation of the mouse wheel by the user or a trigger operation of the displayed zoom key by the user.
In an alternative implementation, in a case where the zoom operation is a user scroll operation of the mouse wheel, step S502 is performed.
For example, the user triggers an zoom-in operation in the case of scrolling the mouse wheel in a first direction and a zoom-out operation in the case of scrolling the mouse wheel in a second direction, wherein the first and second directions are opposite directions.
S502, taking the position of the mouse cursor in the target map as the focus position.
In the case that the zoom operation includes a scroll operation of the mouse wheel by the user, the operation focus may be a cursor of the mouse, and then a position of the mouse cursor in the target map may be taken as the focus position, and the user may adjust the focus position by moving the mouse.
S503, obtaining the distance between each map node and the focus position, and determining the map node with the shortest distance as a pending node.
In the case where the pending node is one, step S504 is performed;
if there are a plurality of the pending nodes, step S505 is executed;
s504, taking the undetermined node as the target map node.
Under the condition that the undetermined node is one, the undetermined node is used as the target map node; that is, the distances between the positions of all the map nodes on the target map and the focal position are calculated, then all the distances are compared, the map node with the shortest distance to the focal position is taken as the undetermined node, at this time, only one undetermined node with the shortest distance to the focal position is taken as the target map node.
S505, taking the node to be determined with the shortest distance from the preset position in the target map as the target map node.
After comparing all the obtained distances, a plurality of map nodes with the shortest distance are obtained, in which case the node positions of the map nodes with the same shortest distance are compared with the distance of the preset position, and the map node with the shortest distance from the preset position is obtained as the target map node.
The preset position comprises the center position of the target map.
S506, determining the zoom type corresponding to the zoom operation.
Wherein the zoom type includes zoom in and zoom out.
S507, obtaining a zoom rate corresponding to the zoom type.
Wherein different zoom types correspond to different zoom rates.
The zoom rate includes a first zoom rate and a second zoom rate, and in the case that a zoom operation performed on the target map by the user is detected as a zoom operation, the target map is zoomed in according to the first zoom rate. For example, the first scaling rate may be set to 1.03, i.e., the size of each magnification is 1.03 times the size of the next magnification; and in the case that the zoom-out operation performed on the target map by the user is detected as the zoom-in operation, performing the zoom-out operation on the target map according to the second zoom rate. For example, the second zoom rate may be set to 0.95, i.e., the size of each zoom out is 0.95 times the size of the next.
S508, scaling the target map by taking the target map node as a scaling center point according to the scaling rate.
In another optional implementation manner, in the case that the zoom operation is a triggering operation of the user on the displayed zoom key, after the target map node and the zoom rate are obtained, step S509 is directly executed according to the zoom rate, where S509 is a zoom process performed on the target map with the center position of the target map as a zoom center point.
By adopting the scheme, the zoom center point can be flexibly adjusted to be the target map nodes around the focus position, so that the effectiveness of the user zoom operation is improved, the user can conveniently and rapidly check the target map nodes around the focus position, and the user experience is improved.
Fig. 6 is a flowchart of another map scaling method provided by an embodiment of the present disclosure, as shown in fig. 6, the method may include:
s601, obtaining a scaling operation of a user on the displayed target map.
The target map comprises at least one map node, and the scaling operation comprises triggering operation of the user on the displayed scaling key; or, the user performs a scroll operation of the mouse wheel.
The type of the zoom-in operation may include a zoom-out operation for zooming in on the map and a zoom-out operation for zooming out on the map.
In an alternative implementation, in the case where the zoom operation is a user scroll operation of the mouse wheel, step S602 is performed.
For example, the user triggers an zoom-in operation in the case of scrolling the mouse wheel in a first direction and a zoom-out operation in the case of scrolling the mouse wheel in a second direction, wherein the first and second directions are opposite directions.
S602, taking the position of the mouse cursor in the target map as the focus position.
In the case that the zoom operation includes a scroll operation of the mouse wheel by the user, the operation focus may be a cursor of the mouse, and then a position of the mouse cursor in the target map may be taken as the focus position, and the user may adjust the focus position by moving the mouse.
S603, determining whether candidate map nodes exist in a preset range around the focus position.
If it is determined that the candidate map node exists in the preset range around the focal position, step S604 is performed;
S604, determining the number of candidate map nodes.
The candidate map nodes are map nodes in a preset range around the focus position.
In the case where the number of the candidate map nodes is one, step S605 is executed;
in the case where the number of the candidate map nodes is plural, step S606 is performed.
S605, taking the candidate map node as the target map node.
In this step, in the case where the number of the candidate map nodes is one, the candidate map node may be regarded as the target map node, that is, in the case where the number of the candidate map nodes is one, the candidate map node is the map node that the user wants to view.
S606, obtaining the distance between the position of each candidate spectrum node and the focus position, and taking the candidate spectrum node with the shortest distance as the target spectrum node.
S607, determining the zoom type corresponding to the zoom operation.
Wherein the zoom type includes zoom in and zoom out.
S608, obtaining a zoom rate corresponding to the zoom type.
Wherein different zoom types correspond to different zoom rates.
The zoom rate includes a first zoom rate and a second zoom rate, and in the case that a zoom operation performed on the target map by the user is detected as a zoom operation, the target map is zoomed in according to the first zoom rate. For example, the first scaling rate may be set to 1.03, i.e., the size of each magnification is 1.03 times the size of the next magnification; and in the case that the zoom-out operation performed on the target map by the user is detected as the zoom-in operation, performing the zoom-out operation on the target map according to the second zoom rate. For example, the second zoom rate may be set to 0.95, i.e., the size of each zoom out is 0.95 times the size of the next.
S609, scaling the target map by taking the target map node as a scaling center point according to the scaling rate.
In the case that it is determined that the candidate spectrum node does not exist in the preset range around the focal position, step S610 may be directly performed according to the scaling rate after the target spectrum node and the scaling rate are obtained, where S610 is to perform scaling processing on the target spectrum with the center position of the target spectrum as the scaling center point. The response to the zoom operation may also be denied.
In another alternative implementation, the zoom operation may include a triggering operation of the presented zoom key by the user. In the case that the zoom operation is the triggering operation of the user on the displayed zoom key, step S610 may be directly performed according to the zoom rate after the target map node and the zoom rate are acquired.
By adopting the scheme, the zoom center point can be flexibly adjusted to be the target map nodes around the focus position, so that the effectiveness of the user zoom operation is improved, the user can conveniently and rapidly check the target map nodes around the focus position, and the user experience is improved.
Fig. 7 is a schematic structural diagram of an atlas scaling apparatus according to an embodiment of the disclosure, and as shown in fig. 7, the apparatus includes:
a first determining module 701, configured to determine, in response to a zoom operation performed by a user on a displayed target spectrum, a focus position of a current operation focus of the user in the target spectrum, where the target spectrum includes at least one spectrum node.
A second determining module 702 is configured to determine a target map node from the map nodes according to the focal position.
And a scaling module 703, configured to scale the target spectrum with the target spectrum node as a scaling center point according to the scaling operation.
Optionally, the second determining module 702 is configured to take, as the target map node, a map node located at the focal position in a case where the map node exists at the focal position.
Optionally, the second determining module 702 is configured to obtain, in a case where no map node exists at the focal position, a distance between each of the map nodes and the focal position, and determine a map node with a shortest distance as a pending node, where the pending node includes at least one of the map nodes; and determining a target map node according to the undetermined node.
Optionally, the second determining module 702 is configured to, when it is determined that a candidate map node exists in a preset range around the focal position, use a map node that is the shortest from the focal position among the candidate map nodes as the target map node.
Optionally, the second determining module 702 is configured to, in a case where it is determined that no candidate map node exists in a preset range around the focal position, set a map node that is the shortest from the focal position among the map nodes as a target map node.
Optionally, the second determining module 702 is further configured to reject the scaling operation if it is determined that the candidate map node does not exist within a preset range around the focal position.
Optionally, the pending node includes one or more, and the second determining module 702 is configured to take the pending node as the target graph node if the pending node is one; or under the condition that the number of the undetermined nodes is multiple, the undetermined node with the shortest distance from the preset position in the target map is used as the target map node.
Optionally, the preset position includes a center position of the target map.
Fig. 8 is a schematic structural diagram of another map scaling apparatus according to an embodiment of the disclosure, as shown in fig. 8, where the scaling module 703 further includes:
An operation type determination submodule 7031 is configured to determine a zoom type corresponding to the zoom operation, where the zoom type includes a zoom-in operation and a zoom-out operation.
A zoom rate acquisition sub-module 7032 is configured to acquire a zoom rate corresponding to the zoom type.
The scaling processing sub-module 7033 is configured to scale the target map with the target map node as a scaling center point according to the scaling rate.
Optionally, the scaling module 703 is configured to reject the response to the zoom operation if the zoom operation of the user on the target map is detected in a case where the zoom magnification of the target map reaches a preset zoom magnification; or if the zoom-out operation of the user on the target map is detected under the condition that the zoom-out multiple of the target map reaches the preset zoom-out multiple, refusing to respond to the zoom-out operation.
Optionally, the zoom operation includes a triggering operation of the displayed zoom key by the user; or, the user performs a scroll operation of the mouse wheel.
Optionally, the zooming module 703 is configured to take a position of the mouse cursor in the target map as the focal position in a case where the zooming operation includes a scrolling operation of the mouse wheel by the user; or in the case that the zoom operation comprises the triggering operation of the user on the displayed zoom key, taking the position of the focus frame in the target map as the focus position.
Optionally, the scaling module 703 is further configured to perform scaling processing on the target map with a center position of the target map as a scaling center point according to the scaling operation when the scaling operation includes a triggering operation of the displayed scaling key by the user.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
By adopting the device, responding to the zooming operation of the user on the displayed target map, and determining the focus position of the current operation focus of the user in the target map; the target atlas comprises at least one atlas node; under the condition that candidate spectrum nodes exist in a preset range around the focal position, determining target spectrum nodes from the candidate spectrum nodes, wherein the candidate spectrum nodes are spectrum nodes in the preset range around the focal position; and according to the scaling operation, scaling the target map by taking the target map node as a scaling center point. In this way, by selecting the target map node from the candidate map nodes according to the current operation focus of the user and scaling the target map by taking the target map node as the scaling center point, the scaling center point can be flexibly adjusted to be the target map node around the focus position, so that the effectiveness of the scaling operation of the user is improved, the user can conveniently and rapidly check the target map node around the focus position, and the user experience is improved.
Fig. 9 is a block diagram of an electronic device 900 provided by an embodiment of the present disclosure. As shown in fig. 9, the electronic device 900 may include: processor 901, memory 902. The electronic device 900 may also include one or more of a multimedia component 903, an input/output (I/O) interface 904, and a communication component 905.
The processor 901 is configured to control the overall operation of the electronic device 900 to perform all or part of the steps in the above-mentioned map scaling method. The memory 902 is used to store various types of data to support operations at the electronic device 900, which may include, for example, instructions for any application or method operating on the electronic device 900, as well as application-related data, such as contact data, transceived messages, pictures, audio, video, and so forth. The Memory 902 may be implemented by any type or combination of volatile or nonvolatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 903 may include a screen and audio components. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may be further stored in the memory 902 or transmitted through the communication component 905. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 904 provides an interface between the processor 901 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 905 is used for wired or wireless communication between the electronic device 900 and other devices. Wireless communication, such as Wi-Fi, bluetooth, near field communication (Near Field Communication, NFC for short), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or one or a combination of more of them, is not limited herein. The corresponding communication component 905 may thus comprise: wi-Fi module, bluetooth module, NFC module, etc.
In an exemplary embodiment, the electronic device 900 may be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, abbreviated ASIC), digital signal processor (Digital Signal Processor, abbreviated DSP), digital signal processing device (Digital Signal Processing Device, abbreviated DSPD), programmable logic device (Programmable Logic Device, abbreviated PLD), field programmable gate array (Field Programmable Gate Array, abbreviated FPGA), controller, microcontroller, microprocessor, or other electronic components for performing the above-described graph scaling method.
In another exemplary embodiment, a computer readable storage medium is also provided comprising program instructions which, when executed by a processor, implement the steps of the above-described graph scaling method. For example, the computer readable storage medium may be the memory 902 described above including program instructions executable by the processor 901 of the electronic device 900 to perform the map scaling method described above.
In another exemplary embodiment, a computer program product is also provided, comprising a computer program executable by a programmable apparatus, the computer program having code portions for performing the above-described graph scaling method when executed by the programmable apparatus.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations are not described further in this disclosure in order to avoid unnecessary repetition.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (14)
1. A method of map scaling, the method comprising:
determining a focus position of a current operation focus of a user in a target map in response to a zooming operation of the user on the displayed target map, wherein the target map comprises at least one map node;
determining a target map node from the map nodes according to the focus position;
According to the scaling operation, scaling the target map by taking the target map node as a scaling center point;
the determining a target map node from the map nodes according to the focus position comprises:
under the condition that candidate map nodes exist in a preset range around the focal position, taking the map node with the shortest distance from the focal position in the candidate map nodes as the target map node;
the scaling the target map by using the target map node as a scaling center point according to the scaling operation includes:
determining a zoom type corresponding to the zoom operation, wherein the zoom type comprises an amplifying operation and a shrinking operation;
obtaining a scaling rate corresponding to the scaling type, wherein the scaling rate is a preset scaling multiple of the last scaling rate;
and scaling the target map by taking the target map node as the scaling center point according to the scaling rate.
2. The method of claim 1, wherein said determining a target map node from said map nodes based on said focal position comprises:
And taking the map node at the focus position as the target map node when the map node exists at the focus position.
3. The method of claim 1, wherein said determining a target map node from said map nodes based on said focal position comprises:
under the condition that the map nodes do not exist in the focal position, acquiring the distance between each map node and the focal position, and determining the map node with the shortest distance as a pending node, wherein the pending node comprises at least one node;
and determining a target map node according to the undetermined node.
4. The method of claim 1, wherein said determining a target map node from said map nodes based on said focal position comprises:
and under the condition that candidate map nodes do not exist in a preset range around the focus position, taking the map node with the shortest distance from the focus position as the target map node.
5. The method according to claim 1, wherein the method further comprises:
and refusing to respond to the zooming operation under the condition that no candidate map nodes exist in a preset range around the focus position.
6. A method according to claim 3, wherein said determining the target graph node from the pending node comprises:
taking the undetermined node as the target map node under the condition that the undetermined node is one; or alternatively, the process may be performed,
and under the condition that a plurality of undetermined nodes are provided, the undetermined node with the shortest distance from the preset position in the target map is used as the target map node.
7. The method of claim 6, wherein the predetermined location comprises a center location of the target map.
8. The method according to claim 1, wherein the method further comprises:
if the amplification operation of the user on the target map is detected under the condition that the amplification factor of the target map reaches a preset amplification factor, refusing to respond to the amplification operation; or alternatively, the process may be performed,
and under the condition that the zoom-out multiple of the target map reaches a preset zoom-out multiple, if the zoom-out operation of the user on the target map is detected, refusing to respond to the zoom-out operation.
9. The method of any one of claims 1 to 8, wherein the zoom operation comprises a triggering operation of a presented zoom key by the user; or, the user performs a scrolling operation on the mouse wheel.
10. The method of claim 9, wherein the determining a focus position of the current operational focus of the user in the target map comprises:
in the case that the zoom operation includes a scroll operation of the mouse wheel by the user, taking a position of a mouse cursor in the target map as the focus position; or alternatively, the process may be performed,
and under the condition that the zooming operation comprises the triggering operation of the user on the displayed zooming key, taking the position of the focus frame in the target map as the focus position.
11. The method according to claim 9, wherein the method further comprises:
and under the condition that the scaling operation comprises the triggering operation of the displayed scaling key by the user, scaling the target map by taking the central position of the target map as a scaling central point according to the scaling operation.
12. A map scaling apparatus, the apparatus comprising:
a first determining module, configured to determine a focal position of a current operation focal point of a user in a target spectrum in response to a scaling operation of the user on a displayed target spectrum, where the target spectrum includes at least one spectrum node;
The second determining module is used for determining a target map node from the map nodes according to the focus position;
the scaling module is used for scaling the target map by taking the target map node as a scaling center point according to the scaling operation;
the second determining module is configured to, when it is determined that a candidate map node exists in a preset range around the focal position, use a map node, which is the shortest in distance from the focal position, among the candidate map nodes as the target map node;
the scaling module is used for determining a scaling type corresponding to the scaling operation, wherein the scaling type comprises an amplifying operation and a shrinking operation; obtaining a scaling rate corresponding to the scaling type, wherein the scaling rate is a preset scaling multiple of the last scaling rate; and scaling the target map by taking the target map node as the scaling center point according to the scaling rate.
13. A non-transitory computer readable storage medium having stored thereon a computer program, characterized in that the program when executed by a processor realizes the steps of the method according to any of claims 1-11.
14. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the method of any one of claims 1-11.
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