CN117421089B - Step geographic information element processing method and device - Google Patents
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Abstract
The application discloses a method and a device for processing step geographic information elements, which solve the problems that step features are inconvenient to edit and are unfavorable for warehouse entry and preservation in a geographic information system in the prior art. Responding to the instruction of the GUI, generating a data cluster of the step ground feature element, comprising: acquiring outline turning point data, space position data and direction attribute data according to an operation track of the GUI, wherein the direction attribute data comprises an identifier of a bottom end or a top end position; in a closed curve of the GUI operation track, the first operation point position in the contour turning point is taken as the bottom end of the step, and the second operation point position is taken as the top end of the step. The method and the device enable steps to be expressed by only one object and one code no matter how complex. The method is convenient for generating and editing the information of the number, the length, the area, the width and the like of the steps, so that the automation efficiency and the automation effect of the steps in the map shrinkage editing are improved.
Description
Technical Field
The present disclosure relates to the field of geographic information technologies, and in particular, to a method and an apparatus for processing step geographic information elements.
Background
In geographic information data, the step ground features in the prior art are generally expressed in a scattered line combination mode such as step side lines, step lines and the like in basic mapping production and drawing stages, only the expression of shape and style is considered, the problems of data storage redundancy, convenient updating production and editing and the like are not considered, even if a database is formed, a step surface is independently formed, namely, the drawing and the library are separated, the drawing is independently changed, the library is independently changed, the situation of the drawing and the library is not uniform easily, the data production is troublesome, the library construction work is independently generated during the warehouse entry, the workload is increased, and the accuracy and the consistency of the data are reduced.
Disclosure of Invention
The invention provides a step geographic information element processing method and device, which solve the problems that the component parts of step features in a geographic information system in the prior art comprise various sub features and primitive forms, are inconvenient to edit and are unfavorable for warehouse entry and storage.
In a first aspect, an embodiment of the present application provides a method for processing a step geographic information element, including:
responding to the instruction of the GUI, generating a data cluster of the step ground feature element, comprising:
acquiring outline turning point data, space position data and direction attribute data according to an operation track of the GUI, wherein the direction attribute data comprises an identifier of a bottom end or a top end position;
in a closed curve of the GUI operation track, the first operation point position in the contour turning point is taken as the bottom end of the step, and the second operation point position is taken as the top end of the step.
Further, generating default step attribute data according to the step direction and the profile;
the attribute data of the steps comprises at least one of the following: step width, step number, step length;
and when the graph of the data cluster is displayed, determining that the edge line at the top end of the step is at least one section adjacent to the operation point according to the turning point at the top end, and generating step line data in the direction parallel to the edge line at the top end.
In one embodiment, the method specifically comprises at least one of the following steps:
determining a GUI operation starting point of the step profile as a first operation point;
in response to a GUI first operation instruction, determining a first operation point as a contour turning point on the other side of the bottom end;
determining a contour turning point adjacent to the starting point on the bottom end edge line as a contour turning point on the other side of the bottom end;
determining a second operation point as a contour turning point on the top side in response to the GUI second operation instruction;
in response to a third GUI operation instruction, determining a third operation point as a contour turning point on the other side of the top end;
and determining a contour turning point adjacent to the second operation point on the top end side line as a contour turning point on the other side of the top end.
In one embodiment, the method specifically comprises the steps of:
determining contour turning points at two sides of the top end, and determining the shape of the top end edge line by connecting the contour turning points at two sides or connecting the contour turning points at two sides with the contour turning point in the middle;
generating attribute data of the steps, including at least one of the following: step size and order;
and when the graph of the data cluster is displayed, the step line is parallel to the top edge line.
In one embodiment, determining the step line distribution width and the handrail width comprises the steps of:
generating attribute data for the armrest in response to the GUI fourth operation instruction comprises: width of the armrests;
when the graph of the data cluster is displayed, the handrail is represented as a hollow frame formed by two parallel lines along the side edge of the step profile.
In one embodiment, the method further comprises the steps of:
the data cluster also comprises platform corner position data; responding to a fifth operation instruction of the GUI, and determining at least three platform corner points on the two side lines;
and when the graph of the data cluster is displayed, generating a platform graph outline surrounded by platform corner points, wherein the platform graph outline does not display step lines.
In one embodiment, displaying the graph of the data cluster includes:
determining a step range through the outline turning points and the space positions contained in the data clusters, and displaying the step outline;
drawing a top side line and two side lines by using a solid line; drawing a bottom edge line by using the empty line;
the step lines are omitted or filled in parallel within the step profile.
In a second aspect, an embodiment of the present application further provides a step geographic information element processing device, which is configured to implement the method described in any one embodiment of the first aspect, and includes an obtaining module, a generating module, and a display module. The acquisition module is used for identifying the indication of the GUI. The generation module is used for generating the data cluster of the step ground feature element. And the display module is used for displaying the graph of the data cluster on the GUI.
In a third aspect, embodiments of the present application further provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method according to any of the embodiments of the first aspect.
In a fourth aspect, embodiments of the present application further provide an electronic device, including a memory, a processor and a computer program stored on the memory and executable by the processor, the processor implementing the method according to any of the embodiments of the first aspect when the processor executes the computer program.
The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect:
the method realizes the step elements with various complex shapes, the step elements are expressed by using an independent and complete surface entity, the integrated fusion effect of the graph and the entity is completely achieved by a series of convenient operation methods, the redundancy of data storage is reduced, the production and updating efficiency of the step ground element is improved, the method is an independent and complete surface entity, the step line fixed-spacing display and the designated-spacing symbolized display can be realized, the step symbolized according to the designated order can be realized, the entrance direction of the step can be directly judged through the appearance of the symbol, the joint symbolized expression of a single or a plurality of step platforms and the step line can be realized, the integrated symbolized expression of inclined walls with different widths on two sides or one side of the step can be realized, the symbolized expression of a plurality of sides at the bottom end and the top of the step can be realized, the symbolized expression of the arc-shaped step can be realized, the symbolized expression of the right-angle turning step can be realized, the expression of the step with an abnormal shape can be supported, the combined expression of the regular step and the abnormal step can be supported, and the like. The method and the device enable steps to be expressed by only one object and one code no matter how complex. The method is convenient for generating and editing the information of the number, the length, the area, the width and the like of the steps, so that the automation efficiency and the automation effect of the steps in the map shrinkage editing are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a flowchart of a method for processing step geographic information elements according to an embodiment of the present application;
FIG. 2 is a schematic drawing of a profile of an embodiment of the present application;
FIG. 3 is a schematic illustration of step line filling in an embodiment of the present application;
FIG. 4 is a flowchart of another method for processing step-like geographic information elements according to an embodiment of the present application;
FIG. 5 is a flowchart of a third step-like geographic information element processing method according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a modified step attribute according to an embodiment of the present application;
FIG. 7 is a schematic view of a handrail according to an embodiment of the present application;
FIG. 8 is a schematic view of another handrail according to an embodiment of the present application;
fig. 9 is a flowchart of a fourth step geographic information element processing method according to an embodiment of the present application;
FIG. 10-1 is an automated step line schematic of an embodiment of the present application;
FIG. 10-2 is a schematic illustration of another automatic step line according to an embodiment of the present application;
FIG. 11 is a schematic view of a platform corner in an embodiment of the present application;
fig. 12 is a step-like geographic information element processing device according to an embodiment of the present application;
FIG. 13 is a schematic diagram of a computer system according to an embodiment of the present application.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It should be noted that, the geographic information element (national basic scale map drawing GB/T20257.1-2017) in the present application is an abstraction of the geographic topography and geomorphology features of reality, and is neither geographic mapping data itself nor an image of the original topography. For example, an element may appear as a type (e.g., lake, building) or an entity (e.g., cave lake, building). In the original geographic information database, an element attribute, which is a symbolic representation of data for a particular geographic feature, contains a name, data type, and a value range associated therewith. The elements are classified into types of point elements, plane elements, line elements, composite elements, and the like according to geometric features, and graphic codes are respectively assigned thereto.
The step feature element according to the present application is a composite element including a plurality of line elements. It should be noted that, in the scheme of the application, instead of processing the original geographic image information to identify the step feature and generate the step element, the static symbolized data of the step element is created, edited, copied, stored and used, and the data cluster of the step element is formed by defining the operation point and the feature point in the turning point of the step element and then utilizing the position and the primitive type association feature, so that the data structure of the original geographic information database is optimized.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a flowchart of a step geographic information element processing method according to an embodiment of the present application, including the following steps 110 to 140:
step 110, responding to an instruction of the GUI, generating a data cluster of the step ground feature element, including:
acquiring outline turning point data, space position data and direction attribute data according to an operation track of the GUI, wherein the direction attribute data comprises an identifier of a bottom end or a top end position;
step 120, determining the bottom end and the top end of the step profile;
in a closed curve of the GUI operation track, the first operation point position in the contour turning point is taken as the bottom end of the step, and the second operation point position is taken as the top end of the step.
The first operation point may default to an initial operation point of the GUI operation track, or may be a point confirmed by a further instruction in the GUI operation track.
The step ground feature elements include various elements constituting a step unit, for example, a step as a whole, a blank line at the bottom end (inlet end) as a starting point, a feature point, a land, and an armrest, and are expressed by one symbol;
step 130, generating default step attribute data according to the step direction and the profile;
the attribute data of the steps comprises at least one of the following: step width, number of steps, step size (i.e., step pitch);
when the graph of the data cluster is displayed, determining that the edge line of the top end of the step is at least one section adjacent to the second operation point according to the turning point of the top end, and further, for example, generating step line data in a direction parallel to the edge line of the top end.
Further, when the graph of the data cluster is displayed, determining that the edge line of the bottom end of the step is at least one section adjacent to the first operation point according to the turning point of the bottom end, and further, generating step line data in a direction parallel to the edge line of the bottom end.
In one embodiment of the present application, when the top edge line and the bottom edge line are not parallel, then interpolation is performed on the top edge line and the bottom edge line direction at a position between the top edge line and the bottom edge line, so as to obtain a step line direction at the position, and step line data is generated.
The contour turning point is one of characteristic points.
The basic information of each node generally comprises 3 attribute information of X coordinates, Y coordinates and elevations, and one attribute information, namely a characteristic point attribute, is added. The feature point is yes, and the node is the feature point; if the "feature point" is no, the node is not a feature point.
For example, the "feature point" attribute of the first node of the top edge line of the step element is manually set to "yes", and the top and edge lines are distinguished by this node.
It should be noted that, when the step element data of the original geographic information database has no feature points, the feature points may be determined and feature point attributes may be established in response to the operation of the man-machine interface.
It is also to be noted that when the step element data has a feature point and the operator does not know which node is the feature point, the computer can recognize the attention of the operator based on the node attribute value, and thus the computer gives an instruction of the feature point in response to the operation of the man-machine interface.
The feature points may also be used to identify the entire step data cluster. The position of the entire step graphic in the GUI, or the geographic location of the entire step feature element, may be changed in response to the GUI indicating the change in the location of the feature point. In response to the GUI indication, the change amounts of the attribute values of all the relevant positions in the step data cluster are the same as the position change amounts of the feature points. As shown in fig. 2, a separate complete closed contour surface is drawn as a step contour according to the contour turning point sequence.
As shown in fig. 2, four profile turning points 1,2,3,4 are selected as boundary points of the bottom end and the top end of the step profile, so as to divide the step profile into the bottom end, the top end and two side lines.
For example, wherein the initial operating point 1 is the default first operating point; and taking an adjacent operation point 2 generated in time sequence with the initial operation point in the GUI operation track as a second operation point.
The position of a first operation point 1 in the turning points of the outline is taken as the bottom end of the step, the position of a second operation point 2 is taken as the top end of the step, the graph of the data cluster is displayed as a rectangle, and the edge line of the top end of the step is determined to be at least one section (namely 2-3) adjacent to the second operation point according to the turning point 3 of the top end
Further, the graph of the data cluster is displayed as a rectangle, and the edge line of the bottom end of the step is determined to be at least one section (namely 1-4) adjacent to the first operation point 1 according to the bottom turning point 4.
Step 140, displaying the graph of the data cluster, including:
determining a step range through the outline turning points and the space positions contained in the data clusters, and displaying the step outline;
preferably, the top side line and the two side lines are drawn by solid lines; and drawing a bottom edge line by using the empty line.
The step lines are omitted or filled in parallel within the step profile.
As shown in fig. 3, step lines are filled inside the step profile, the step lines being parallel to each other.
For example, the step line data is generated in a direction parallel to the tip edge line 2-3. Alternatively, the step line data is generated in a direction parallel to the bottom end edge line 1-4.
FIG. 4 is a flowchart of another step-like geographic information element processing method according to an embodiment of the present application, including the following steps 110 to 240
Step 110, responding to an instruction of the GUI, generating a data cluster of the step ground feature element, including:
step 120, determining the bottom end and the top end of the step profile;
for example, in one embodiment, step 120 may be specifically divided into at least 1 of the following steps:
step 210, determining a GUI operation starting point of the step profile as a first operation point;
as shown in fig. 2, point 1 in the figure serves as a contour turning point on the bottom end side of the step contour, defaults to a starting point of the contour, and is also a closing point.
Step 220, responding to a first GUI operation instruction, and determining a first operation point as a contour turning point on the other side of the bottom end;
or determining a contour turning point adjacent to the starting point on the bottom end edge line as a contour turning point on the other side of the bottom end.
The operation instructions are all instructions for determining the attribute of the ground object in response to the operation of the human-computer interface.
For example, the first operation instruction, i.e. the instruction for determining the attribute of the turning point of the profile on the other side of the bottom end, for example, as shown in fig. 2, designates the turning point 4 as the first operation point.
The profile turning point on the other side of the bottom end may be determined and established using a default profile turning point or in response to operation of the human-machine interface.
If a default contour turning point is used, for example, a contour turning point adjacent to the starting point at the bottom end, for example turning point 2 in fig. 2, is used.
For another example, determining the top end of the step specifically includes the steps of:
step 230, responding to a second GUI operation instruction, and determining a second operation point as a contour turning point at the top end side;
the second instruction is an instruction for determining the attribute of the profile turning point at the top end side.
Step 240, in response to the third GUI operation instruction, determining the third operation point as a contour turning point on the other side of the top end, as shown in fig. 2, directly indicating turning point 3 through the GUI operation instruction;
or, a contour turning point adjacent to the second operation point on the top edge (for example, turning point 3 adjacent to turning point 2 in fig. 2) is determined as a contour turning point on the other side of the top.
The third instruction is an instruction for determining the attribute of the profile turning point at the other side of the top end.
Step 130, generating default step attribute data according to the step direction and the profile;
the default step data contains the width of the step line profile.
And 140, displaying the graph of the data cluster.
Fig. 5 is a flowchart of a third step-like geographic information element processing method according to an embodiment of the present application, including the following steps 310 to 320.
And fourth, modifying the attribute by clicking the ground object. Examples include:
step 310, displaying the distribution of the step lines according to the attribute data;
for example, the attribute data of the step includes: step width, number of steps, step size. At the GUI interface, the attribute data of the step is modified.
As another example, as shown in fig. 6, the step line effect may be automatically displayed by attribute modification of the steps according to a fixed size and a fixed equal fraction.
In one embodiment, determining the step line distribution width and the handrail width comprises the steps of:
step 320, in response to the fourth GUI operation instruction, generating attribute data of the armrest, where the attribute data of the armrest includes: width of the armrests;
for example, the attribute data of the handrail includes: width of the handrail.
For example, as shown in fig. 7, handrail steps are provided with both side handrail width properties of the steps and are displayed by the set width.
When the graph of the data cluster is displayed, the handrail is represented as a hollow frame formed by two parallel lines along the side edge of the step profile.
For example, as shown in fig. 8, the entrance direction of a step having a handrail on one side is adjusted (the end of the empty line is the entrance, i.e., the bottom end). That is, the direction attribute data is changed in response to the GUI indication.
Fig. 9 is a flowchart of a fourth step-like geographic information element processing method according to an embodiment of the present application, and further, determining a step line direction includes the following steps 410 to 420.
Step 410, determining contour turning points at two sides of the top end, and determining the shape of the top end edge line by using the connecting lines of the contour turning points at two sides or the connecting lines of the contour turning points at two sides and the contour turning point in the middle;
it should be noted that the contour turning points on both sides are directly connected into a straight line.
If there is a contour turning point in the middle of the contour turning points on both sides, the connecting line may be a broken line or a curve.
And determining the type of the connecting line between the two side wheel passing turning points and the middle contour turning point by setting the attribute of the middle contour turning point of the contour turning points at the two sides.
For example, by selecting the attribute of the contour turning point, such as a curve, through the man-machine interface, and determining a coordinate point as the position of the middle contour turning point in the middle of the contour turning points at both sides, the connection line between the contour turning points at both sides and the middle contour turning point is the curve.
By selecting the profile turning point as a curve, the attribute of the profile turning point may also include the curvature of the curve, the bending direction of the curve, etc., which are not further limited herein.
And 420, when the graph of the data cluster is displayed, the step line is parallel to the top edge line.
Generating attribute data of the steps, including at least one of the following: step size and order;
for example, as shown in FIG. 10-1, the top edge is defined by the line connecting the profile turning points on both sides with the profile turning point in the middle.
And if contour turning points 3 and 4 are arranged between the contour turning points 2 and 5 on the two sides of the top end of the diagram on the left side of the diagram in fig. 10-1, a broken line of 2-3-4-5 is taken as a step top line, and a step line is generated in a direction parallel to the broken line.
And a contour turning point 3 is arranged between the contour turning points 2 and 4 on the two sides of the graph on the right side of the graph in fig. 10-1, a curve of 2-3-4 is taken as a step top line, and a step line is generated in a direction parallel to the curve.
In the step shapes such as a broken line shape and an arc shape, the step lines are required to be determined, and the contour turning points at the two sides of the step bottom line are also required to be determined, wherein the inflection points of the step lines are obtained by a step top line and a step bottom line interpolation method. If only contour turning points on two sides of the top end line of the step are set, only one starting point 1 is determined at the bottom end of the step line, turning points 8 (left diagram) and 6 (right diagram) adjacent to the contour turning points at the bottom end are automatically taken as contour turning points at the other side of the bottom end of the step line according to preset rules, the generated step line is shown in fig. 10-2, at the moment, the contour turning points at the other side of the bottom end of the step line can be indicated and adjusted through a GUI, and the corrected effect is shown in fig. 10-1.
Step 310, displaying the distribution of the step lines according to the attribute data;
for example, the attribute data of the step includes: step width, number of steps, step size.
Based on any of the above embodiments, it may also be: the data cluster also comprises platform corner position data; it should be noted that the platform corner point may also be a feature point.
As shown in fig. 11, at least three platform corner points are determined on both side lines in response to the GUI fifth operation instruction.
And the fifth operation instruction of the GUI is to determine characteristic points on two side lines as platform corner points, at least determine three platform corner points, for example, a right-angle corner is arranged in the middle of a step, and if a platform is to be arranged in the right-angle corner, the determination can be performed only by the three platform corner points.
Usually straight steps, four platform corner points need to be determined for setting the platform. The platform corner points are used for defining the width and the step length of the steps, so that the platform is arranged. And when the graph of the data cluster is displayed, generating a platform graph outline surrounded by platform corner points, wherein the platform graph outline does not display step lines.
It should be noted that the platform may be regarded as a special step. Since the landing is also a step, there is no need to display step lines within the landing according to the default data attributes of the step.
Fig. 12 is a block diagram of a step-like geographic information element processing device according to an embodiment of the present application, which includes an acquisition module 11, a generation module 12, and a display module 13.
The acquisition module is used for identifying the indication of the GUI.
The method is particularly used for receiving the step ground feature element information sent by the geographic information element database and the operation instruction input by the man-machine interface.
The generation module is used for generating the data cluster of the step ground feature element.
The method is particularly used for generating the data cluster of the step ground feature element. The generated data clusters may be stored in a geographic information element database, or other outcome database.
And the display module is used for displaying the graph of the data cluster on the GUI.
The method is particularly used for carrying out graphical expression according to the characteristic points.
Further, a geographic information element database 14 is included for storing geographic information entity data, including step feature element data.
In one embodiment, the generating module comprises a step generating unit, which is used for generating default step attribute data according to the step direction and the profile;
in one embodiment, the generating module further includes a step line generating unit, configured to determine, according to the top turning point, that the edge line of the top of the step is at least one segment adjacent to the operation point, and generate step line data in a direction parallel to the edge line of the top.
In one embodiment, the step line generating unit is configured to determine, according to the bottom turning point, that the edge line of the bottom end of the step is at least one section adjacent to the operation point, and generate step line data in a direction parallel to the edge line of the bottom end.
In one embodiment, the acquiring module further includes a step bottom acquiring unit, configured to acquire step profile bottom data through a profile turning point on one side of the step profile bottom and a first operation point that is a profile turning point on the other side of the bottom.
In one embodiment, the acquiring module further includes a step top acquiring unit for acquiring step profile top data through a profile turning point on one side of the step profile top and a second operating point as a profile turning point on the other side of the top. In one embodiment, the display module further comprises a handrail display unit for displaying a graphic of the handrail according to the attribute data of the handrail.
For example, the handrail appears as a hollow frame made up of two parallel lines along the sides of the step profile.
In one embodiment, the step line generating unit is further configured to generate platform corner point position data according to the platform corner point position data; and generating a platform outline surrounded by platform corner points as a special step.
In one embodiment, the display module further includes a line display unit for displaying lines of each portion of the step structure. For example, a top edge line and two side edges are drawn by solid lines; drawing a bottom edge line by using the empty line; the step lines are omitted or filled in parallel within the step profile.
FIG. 13 is a schematic diagram of a computer system according to an embodiment of the present application.
The embodiment of the application also provides a step geographic information element processing system, which is used for realizing the method of any one embodiment of the application, and comprises the following steps: an original geographic information database 51, a result map processor 52, a first application module 53, a second application module 54, and one or more result map data sets 55-57.
The original geographic information database is used for storing geographic information entity data.
The first application module and/or the second application module are/is used for inputting setting conditions and triggering the acquisition module, the generation module and/or the display module.
The achievement map processor is used for generating a data cluster of the step ground feature elements. The bottom and top ends of the step profile are defined. And generating default step attribute data according to the step direction and the profile. And displaying the graph of the data cluster.
The result map data set is used for storing edited geographic information related data, such as step line data clusters.
The second application module is used for accessing the result data set according to the set application range (the space range and the attribute range) to acquire data.
It should be understood that the specific details set forth above are merely illustrative and should not be taken as limiting the application.
The specific method for implementing the above module function is described in the embodiments of the methods of the first aspect of the present application, and is not described herein again.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Accordingly, the present application also proposes a computer readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements a method as described in any of the embodiments of the present application.
Further, the application also proposes an electronic device comprising a memory, a processor and a computer program stored on the memory and executable by the processor, said processor implementing a method according to any of the embodiments of the application when executing said computer program.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Further, the present application also proposes an electronic device (or computing device) comprising a memory, a processor and a computer program stored on the memory and executable by the processor, said processor implementing a method according to any of the embodiments of the present application when said computer program is executed.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory. The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media. Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. The step geographic information element processing method is characterized by comprising the following steps:
generating a data cluster of step ground feature elements in response to an instruction of the GUI, expressed in a code, comprising:
acquiring outline turning point data, space position data and direction attribute data according to an operation track of the GUI, wherein the direction attribute data comprises an identifier of a bottom end or a top end position;
in a closed curve of the GUI operation track, taking the position of a first operation point in the contour turning point as the bottom end of the step and the position of a second operation point as the top end of the step;
displaying the graph of the data cluster, wherein the step ground feature element is expressed by a symbol, and the graph comprises the following steps:
determining a step top edge according to the top turning point; determining the edge line of the bottom end of the step according to the turning point of the bottom end; determining a step range through the outline turning points and the space positions contained in the data clusters, and displaying the step outline; drawing a top side line and two side lines by using a solid line; and drawing a bottom edge line by using the empty line.
2. The method for processing a step-like geographic information element according to claim 1, wherein,
generating default step attribute data according to the step direction and the profile;
the attribute data of the steps comprises at least one of the following: step width, step number, step length;
and when the graph of the data cluster is displayed, determining that the edge line at the top end of the step is at least one section adjacent to the operation point according to the turning point at the top end, and generating step line data in the direction parallel to the edge line at the top end.
3. The method for processing step-like geographic information elements according to claim 1, comprising at least one of the following steps:
determining a GUI operation starting point of the step profile as a first operation point;
in response to a GUI first operation instruction, determining a first operation point as a contour turning point on the other side of the bottom end;
determining a contour turning point adjacent to the starting point on the bottom end edge line as a contour turning point on the other side of the bottom end;
determining a second operation point as a contour turning point on the top side in response to the GUI second operation instruction;
in response to a third GUI operation instruction, determining a third operation point as a contour turning point on the other side of the top end;
and determining a contour turning point adjacent to the second operation point on the top end side line as a contour turning point on the other side of the top end.
4. The method for processing the step-like geographic information element according to claim 1, comprising the steps of:
determining contour turning points at two sides of the top end, and determining the shape of the top end edge line by connecting the contour turning points at two sides or connecting the contour turning points at two sides with the contour turning point in the middle;
generating attribute data of the steps, including at least one of the following: step size and order;
when the graph of the data cluster is displayed, the step line is parallel to the top edge line.
5. The step-like geographic information element processing method according to claim 1, wherein determining the step line distribution width and the handrail width comprises the steps of:
generating attribute data for the armrest in response to the GUI fourth operation instruction comprises: width of the armrests;
when the graph of the data cluster is displayed, the handrail is represented as a hollow frame formed by two parallel lines along the side edge of the step profile.
6. The step-like geographic information element processing method according to claim 1, further comprising the step of:
the data cluster also comprises platform corner position data;
responding to a fifth operation instruction of the GUI, and determining at least three platform corner points on the two side lines;
and when the graph of the data cluster is displayed, generating a platform graph outline surrounded by platform corner points, wherein the platform graph outline does not display step lines.
7. The method for processing a step-like geographic information element according to any one of claims 1 to 6, displaying a graph of the data cluster, characterized by comprising:
the step lines are omitted or filled in parallel within the step profile.
8. The step geographic information element processing device is used for realizing the method of any one of claims 1-7, and is characterized by comprising an acquisition module, a generation module and a display module;
the acquisition module is used for identifying the indication of the GUI;
the generation module is used for generating a data cluster of the step ground feature element;
and the display module is used for displaying the graph of the data cluster on the GUI.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any of claims 1-7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 1-7 when executing the computer program.
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