CN114138151A - Symbolized color matching method and device for spatial layer data and computer equipment - Google Patents
Symbolized color matching method and device for spatial layer data and computer equipment Download PDFInfo
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- CN114138151A CN114138151A CN202111422886.5A CN202111422886A CN114138151A CN 114138151 A CN114138151 A CN 114138151A CN 202111422886 A CN202111422886 A CN 202111422886A CN 114138151 A CN114138151 A CN 114138151A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04842—Selection of displayed objects or displayed text elements
Abstract
The application relates to a symbolized color matching method, a symbolized color matching device, computer equipment, a storage medium and a computer program product for spatial layer data. The method comprises the following steps: displaying a configuration page of the geographic information system; responding to a symbol setting instruction, determining a symbol type to be set, and displaying a symbol editing template corresponding to the symbol type in the configuration page, wherein the symbol editing template is used for setting style parameters of the symbol; responding to a style parameter setting instruction, acquiring a parameter value of the style parameter, and generating the symbol according to the parameter value of the style parameter; determining a target symbol in the generated symbols, and performing color matching processing on a symbol layer of the target symbol; and superposing the symbol image layers after color matching to obtain a data space image layer. The method can meet the requirements of different geographic information systems on symbol styles and color matching.
Description
Technical Field
The present application relates to the field of geographic information systems, and in particular, to a symbolic color matching method and apparatus for spatial layer data, a computer device, and a storage medium.
Background
With the development of the geographic information system technology, a method for symbolizing spatial layer data of the geographic information system technology is gradually developed, wherein a method for manufacturing and color matching the spatial layer data symbols of the geographic information system technology attracts attention of people.
In the prior art, professional software such as ArcGIS software and SuperMap software is used for manufacturing and color matching, however, layer patterns cannot be integrated on a platform which is independently developed, and the platform which is independently developed is often troublesome in color matching of layers, so that a plurality of point, line and plane symbol patterns cannot meet the requirements of different geographic information systems on the symbol patterns and the color matching.
Disclosure of Invention
In view of the above, it is necessary to provide a symbolized color matching method, apparatus, computer device, computer readable storage medium and computer program product for spatial layer data.
In a first aspect, the present application provides a symbolized color matching method for spatial layer data. The method comprises the following steps:
displaying a configuration page of the geographic information system;
responding to a symbol setting instruction, determining a symbol type to be set, and displaying a symbol editing template corresponding to the symbol type in the configuration page, wherein the symbol editing template is used for setting a style parameter of a symbol;
responding to a style parameter setting instruction, acquiring a parameter value of the style parameter, and generating the symbol according to the parameter value of the style parameter;
determining a target symbol in the generated symbols, and performing color matching processing on a symbol layer of the target symbol;
and superposing the symbol image layers after color matching to obtain a data space image layer.
Optionally, the symbol editing template includes a configuration area of symbol description information, and the obtaining a parameter value of the style parameter in response to a style parameter setting instruction includes:
inputting symbol identification information in the configuration area, acquiring the style parameter according to the symbol identification information, and displaying the style parameter;
and responding to a style parameter setting instruction, and acquiring a parameter value of each style parameter input by a user.
Optionally, the symbol editing template includes a symbol preview area, the symbol preview area includes a symbol editing option, and after the parameter value of the style parameter is acquired in response to the style parameter setting instruction, the method further includes:
displaying the symbol in a preview area based on a parameter value of the style parameter;
responding to the triggering operation of the symbol editing option, and acquiring a parameter value of the edited style parameter;
the generating the symbol according to the parameter value of the pattern parameter includes:
and generating the symbol according to the edited parameter value of the style parameter.
Optionally, the determining a target symbol in the generated symbols includes:
and acquiring the selected target symbol in response to the selection operation of the generated symbol.
Optionally, the performing color matching processing on the symbol image layer of the target symbol includes:
generating a symbol layer of the target symbol according to the target symbol and the spatial layer data;
and filling colors into the symbol image layers of the target symbols respectively in response to the color matching instructions aiming at the symbol image layers of the target symbols.
Optionally, after the symbol image layers after color matching are subjected to superposition processing to obtain a data space image layer, the method further includes:
responding to a symbol layer selection operation, and determining a target symbol layer corresponding to the symbol layer selection operation;
and displaying the data space layer based on the target symbol layer.
In a second aspect, the application further provides a symbolizing color matching device for the spatial layer data. The device comprises:
the first display module is used for displaying a configuration page of the geographic information system;
the determining module is used for responding to a symbol setting instruction, determining a symbol type to be set, and displaying a symbol editing template corresponding to the symbol type in the configuration page, wherein the symbol editing template is used for setting a style parameter of a symbol;
the first generation module is used for responding to a style parameter setting instruction, acquiring a parameter value of the style parameter and generating the symbol according to the parameter value of the style parameter;
the color matching module is used for determining a target symbol in the generated symbols and performing color matching processing on the symbol image layer of the target symbol;
and the second generation module is used for performing superposition processing on the symbol map layers after color matching to obtain a data space map layer.
Optionally, the symbol editing template includes a configuration area of symbol description information, and the determining module is specifically configured to:
inputting symbol identification information in the configuration area, acquiring the style parameter according to the symbol identification information, and displaying the style parameter;
and responding to a style parameter setting instruction, and acquiring a parameter value of each style parameter input by a user.
Optionally, the symbol editing template includes a symbol preview area, and the symbol preview area includes a symbol editing option, and the apparatus further includes:
the second display module is used for displaying the symbols in the preview area based on the parameter values of the style parameters;
the acquisition module is used for responding to the triggering operation of the symbol editing option and acquiring the parameter value of the edited style parameter;
the first generation module is specifically configured to:
and generating the symbol according to the edited parameter value of the style parameter.
Optionally, the color matching module is specifically configured to:
and acquiring the selected target symbol in response to the selection operation of the generated symbol.
Optionally, the color matching module is specifically configured to:
generating a symbol layer of the target symbol according to the target symbol and the spatial layer data;
and filling colors into the symbol image layers of the target symbols respectively in response to the color matching instructions aiming at the symbol image layers of the target symbols.
Optionally, the second generating module is specifically configured to:
responding to a symbol layer selection operation, and determining a target symbol layer corresponding to the symbol layer selection operation;
and displaying the data space layer based on the target symbol layer.
In a third aspect, the present application provides a computer device comprising a memory storing a computer program and a processor implementing the steps of the method of any of the first aspect when the computer program is executed.
In a fourth aspect, the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of any of the first aspects described above.
In a fifth aspect, the present application provides a computer program product comprising a computer program that, when executed by a processor, performs the steps of the method of any of the first aspects described above.
The symbolized color matching method, the symbolized color matching device, the computer equipment and the storage medium of the spatial layer data comprise a configuration page for displaying a geographic information system; responding to a symbol setting instruction, determining a symbol type to be set, and displaying a symbol editing template corresponding to the symbol type, wherein the symbol editing template is used for setting style parameters of the symbol; responding to the style parameter setting instruction, acquiring a parameter value of the style parameter, and generating the symbol according to the parameter value of the style parameter; determining a target symbol in the generated symbols, and performing color matching processing on a symbol layer of the target symbol; and superposing the symbol layers after color matching to obtain a data space layer, wherein the data space layer is used for displaying space layer data. Based on the scheme, the method can set the style parameters of various types of symbols in a user-defined mode and carry out color matching processing on the symbol layers, thereby meeting the requirements of different geographic information systems on the style and color matching of the symbols.
Drawings
FIG. 1 is a schematic flowchart illustrating a method for generating a data space layer according to an embodiment;
FIG. 2 is a schematic diagram illustrating a configuration area workflow in one embodiment;
FIG. 3 is a flow diagram illustrating a preview area workflow in one embodiment;
FIG. 4 is a schematic block diagram illustrating the color matching process flow in one embodiment;
FIG. 5 is a diagram of a symbol editing template in one embodiment;
FIG. 6 is a schematic diagram illustrating a flow of generating a data space layer according to an embodiment;
FIG. 7 is a schematic diagram illustrating a process of symbolizing color matching method for spatial layer data according to another embodiment;
FIG. 8 is a schematic diagram of a symbolic color matching apparatus for spatial layer data according to one embodiment;
FIG. 9 is a diagram of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The symbolized color matching method for the spatial layer data provided by the embodiment of the application can be applied to control equipment, wherein the control equipment can include but is not limited to various personal computers, notebook computers, tablet computers and the like. The control equipment is used for receiving the spatial layer data, generating symbols, selecting various required target symbols, generating various symbol layers according to the various required target symbols and the received spatial layer data, and displaying the various symbol layers in an overlapping mode to form a final data spatial layer. The spatial layer data is map data.
In one embodiment, as shown in fig. 1, a method for symbolizing color matching of spatial layer data is provided, which is described by taking the method as an example for a control device, and includes the following steps:
and step S101, displaying a configuration page of the geographic information system.
In this example, the control device displays a configuration page of the geographic information system to the user, where the configuration page at least includes a symbol setting option, a symbol editing template, a data space layer preview option, and the like, and the symbols include three types, that is, a dot symbol, a linear symbol, and a planar symbol. The symbol setting option may be used to set a selected symbol type, the symbol editing template may be used to edit a style parameter of a symbol, the data space layer preview page is used to display a display effect when all symbol layers are superimposed, and a detailed description will be given later on a process of generating a specific symbol.
Step S102, responding to the symbol setting instruction, determining the symbol type to be set, and displaying the symbol editing template corresponding to the symbol type in the configuration page.
The symbol editing template is used for setting the style parameters of the symbols.
In this embodiment, the control device may store a corresponding relationship between the symbol setting instruction and the symbol editing template in advance. The user can click a symbol setting option in the geographic information system platform, the control device receives the symbol setting instruction, then determines the symbol type corresponding to the symbol setting instruction, determines the symbol editing template corresponding to the symbol type according to the pre-stored symbol type and symbol editing template corresponding relation, and the user can set information such as the style, size, shape and color of the symbol to be edited in the symbol editing template.
Step S103, responding to the style parameter setting instruction, obtaining the parameter value of the style parameter, and generating a symbol according to the parameter value of the style parameter.
In this embodiment, the user may input a style parameter setting instruction of the symbol to be edited in the symbol editing template, for example, the user may input an input instruction of the style parameter of the symbol to be edited in the symbol editing template by editing a code, or the user may select the style parameter of the symbol to be edited in the symbol editing template by selecting a bracket. The control equipment receives the style parameter setting instruction, analyzes the parameter value of each style parameter set by the user and contained in the style parameter setting instruction, and then generates a corresponding symbol according to the parameter value of each style parameter.
And step S104, determining a target symbol in the generated symbols, and performing color matching processing on the symbol image layer of the target symbol.
In this embodiment, the control device filters the received spatial layer data, selects a generated symbol, and marks a symbol that is required to identify the spatial layer data as a target symbol, where the target symbol may be a part of the generated symbol or all the generated symbols. And the control equipment matches the classified space layer data to the layer of the target symbol, replaces the data needing to be identified in the space layer data with the target symbol to generate a symbol layer, and fills colors in different symbol layers according to different attributes of the space layer data represented by the symbol.
And step S105, performing superposition processing on the color-matched symbol image layers to obtain data space image layers.
In this embodiment, the control device superimposes the layers that have been filled with symbols to obtain a data space layer, where the data space layer is a space layer formed by performing symbolization color matching on the space layer data.
In the scheme, the style parameters of various types of symbols can be set in a self-defined manner, and the color matching processing is carried out on the symbol image layers. In practical application, different types of symbols are required for visualization application of spatial map layer data by different geographic information systems, and some geographic information systems need specific symbols to meet the requirement for visualization of spatial map layer data. The various types of symbols obtained by the scheme can meet the requirements of different geographic information systems on symbol styles and color matching.
Optionally, as shown in fig. 2, the symbol editing template includes a configuration area of symbol description information, and obtains a parameter value of a style parameter of a symbol in response to a setting instruction for the style parameter of the symbol, including the following steps:
step S201, inputting symbol identification information in the configuration area, obtaining the style parameter according to the symbol identification information, and displaying the style parameter.
In this embodiment, as shown in fig. 5, the configuration area includes a serial number, a name, and an SLD, where the serial number is used to identify a serial number sequence of the symbol, the name is used to identify a specific name of the symbol, and the SLD is used to edit a style parameter of the acquired symbol and a parameter value of the style parameter of the symbol. The control device may pre-store a corresponding relationship between symbol identification information and a symbol category and a style parameter of a symbol, the user inputs the symbol identification information in the configuration region, and the control device queries the symbol category corresponding to the symbol identification information in the corresponding relationship according to the symbol identification information and displays the to-be-set style parameter of the symbol category.
The first condition is as follows: acquisition of pattern parameters for punctual symbols
Firstly, a user inputs symbol identification information (namely dot-shaped symbol identification information) aiming at dot-shaped symbols in a configuration area, wherein the types of the dot-shaped symbols can be default symbols, font symbols or picture symbols, the symbol identification information of the default symbols is Mark/WellKnowName, the symbol identification information of the font symbols is Mark/WellKnowName, ttf:/< fontname > # < hexcode >, and the symbol identification information of the picture symbols is ExternalGraphic/OnlineResource/@ xlink: href.
The dot-shaped symbol identification information may be one or a combination of Mark/WellKnowName, ttf:// < fontname > # < hexcode > or ExternalGraphic/online resource/@ xlink: href.
The style parameter acquisition mode of the default symbol is as follows: the control equipment acquires the symbol name through the Mark/WellKnowName Mark information, and determines the symbol type corresponding to the Mark/WellKnowName Mark information as a default symbol, thereby acquiring the style parameter of the default symbol. The Mark/wellknownname symbol identification information may be an acquisition identification of a dotted symbol name, and the control device may directly acquire the pattern parameter of the default symbol according to the pattern parameter determined by the acquisition identification when the control device receives only the acquisition identification.
Wherein the default symbols include, but are not limited to, the following symbols: square, circle, triangle, star, cross, X.
The style parameter acquisition mode of the font symbol is as follows: the control equipment acquires the symbol name parameter through Mark/WellKnowName symbol identification information, acquires the address of the font symbol through ttf:// < fontname > # < hexcode > symbol identification information, and reads the style parameter of the font symbol from the storage space corresponding to the address. The font name represents the full name of the font symbol, the hexcode is the hexadecimal code of the font symbol, the font symbol can be but is not limited to a TrueType font, the storage space corresponding to the address of the font symbol is used for storing the style parameter of the font symbol, for example, after a user inputs Mark/WellKnowName symbol identification information to obtain the symbol name, the address of the font symbol is obtained through ttf:// < fontname > # < hexcode > symbol identification information, and the control device reads the style parameter of the corresponding font symbol from the storage space corresponding to the address of the font symbol according to the ttf:///< fontname > # < hexcode > symbol identification information.
In another embodiment, the font symbol is a custom font symbol, and the user converts the format file of the custom font symbol into a TrueType font file and installs the TrueType font file to the control device, so that the control device can obtain the style parameter of the custom font symbol through the above steps.
The mode of obtaining the style parameters of the picture symbols is as follows: the control equipment acquires the address of the picture symbol through the external graphic/online resource/@ xlink: href symbol identification information, and reads the style parameter of the picture symbol from the storage space corresponding to the address of the picture symbol. The mode of obtaining the picture address can be an absolute path mode or a relative path mode, when a user selects the relative path mode, the control equipment searches the $ GEOSERVER _ DATA _ DIR/styles directory under the control equipment main directory for the corresponding picture symbol through the external graphic/online resource/@ xlink: href identification information, and therefore the style parameter of the picture symbol is obtained.
The symbol pattern parameters of the dotted symbols include { color _ hex } -symbol fill color, { color _ access } -symbol fill color transparency, { size } -symbol radius, { outlineColor _ hex } -symbol outline color, { outlineColor _ access } -symbol outline color transparency, { outlineColor _ size } -symbol outline width.
Case two: acquisition of style parameters for linear symbols
First, the user inputs symbol identification information of the line symbol nodes (i.e. line symbol identification information) in the configuration area, wherein the category of the line symbols may be solid line symbols, dotted line symbols or space figure symbols,
the linear symbol identification information may be composed of a plurality of sub-identifiers, and the sub-identifiers may be obtained by combining a plurality of symbol identification information in a stroke (line color), a stroke-width (line width), a stroke-dasharray (solid line length and blank space length), or a graphic stroke (space symbol). In one example, the symbol identification information of the solid line symbol is symbol identification information of a combination of a stroke (line color) and a stroke-width (line width), the symbol identification information of the dotted line symbol is symbol identification information of a combination of a stroke (line color), a stroke-width (line width), and a stroke-dashery (solid line length and blank space length), and the symbol identification information of the space graphic symbol is symbol identification information of a combination of a stroke-dashery (solid line length and blank space length) or a graphcross (space symbol).
Style parameter acquisition mode of solid line symbol: the control device acquires the color parameter of the solid line symbol through the stroke (line color) identification information, and acquires the width parameter of the solid line symbol through the stroke-width identification information, thereby acquiring the style parameter of the solid line symbol.
Pattern parameter acquisition mode of dotted line symbol: the control device acquires a color parameter of the dotted line symbol through the stroke (line color) symbol identification information, acquires a width parameter of the dotted line symbol through the stroke-width symbol identification information, and acquires an interval length parameter of the dotted line symbol through the stroke-foreground (solid line length and blank interval length) symbol identification information, thereby generating the dotted line symbol.
The pattern parameter acquisition mode of the interval graphic symbols is as follows: the control device obtains the shape parameters of the interval graphic symbols through graphic stroke symbol identification information, and obtains the interval length parameters of the interval graphic symbols through stroke-dashery symbol identification information, so as to obtain the style parameters of the interval graphic symbols.
The symbol pattern parameters of the line symbols include { color _ hex } -line color, { color _ exposure } -line color transparency, { style _ size } -line width, { style _ dashArray } -line pattern.
Case three: acquisition of pattern parameters of a surface-like symbol
Firstly, a user inputs symbol identification information (namely, planar symbol identification information) of a planar symbol node in a configuration area, wherein the category of the planar symbol can be color filling symbols, picture filling symbols or shape symbol filling symbols, the symbol identification information of the color filling symbols is fill (filling color), the symbol identification information of the picture filling symbols is ExternalGraphic/OnlineResource/@ xlink: href, and the shape symbol filling symbol identification information is WellKnowenName.
The planar symbol identification information may be any one of the symbol identification information of fill, ExternalGraphic/OnlineResource/@ xlink: href, or WellKnownName
The area symbol identification information may be fill (fill color), ExternalGraphic/OnlineResource/@ xlink: href, or WellKnownName.
The mode of acquiring the style parameters of the color filling symbols is as follows: the control device obtains the color parameters of the color filling symbols through the fill (filling color) symbol identification information, and generates the style parameters of the color filling symbols.
The pattern parameter acquisition mode of the picture filling symbol is as follows: the control equipment acquires the address of the picture filling symbol through the external graphic/online resource/@ xlink: href symbol identification information, and reads the style parameter of the picture filling symbol according to the storage space corresponding to the address of the picture filling symbol.
The mode of obtaining the style parameter of the shape symbol filling symbol is as follows: the control device obtains the name parameter of the shape symbol filling symbol through the WellKnowenName symbol identification information, and thus obtains the style parameter of the shape symbol filling symbol. The Mark/wellknownname symbol identification information in the planar symbol node is an acquisition identifier of the name parameter of the planar symbol, and the control device may directly acquire the style parameter of the shape symbol filling symbol according to the address specified by the acquisition identifier in the case where the control device receives only the acquisition identifier.
Wherein the shape symbol filling symbols include but are not limited to the following symbols: shape:// vertline (vertical line), shape:// horline (horizontal line), shape:// slide (slash), shape:// backsslash (backslash), shape:// dot, shape:// plus (plus sign), shape:// time (X symbol), shape:// oarrow (triangle without frame), shape:// wheel (triangle with frame).
The symbol pattern parameters of the facet symbol include { fillColor _ hex } -symbol fill color, { fillColor _ opportunity } -symbol fill color transparency, { outlineColor _ hex } -symbol outline color, { outlineColor _ opportunity } -symbol outline color transparency, { outlineStyle _ size } -symbol outline width, { outlineStyle _ dashArray } -symbol outline pattern.
Step S202, responding to the style parameter setting instruction, and acquiring parameter values of various style parameters input by a user.
In this embodiment, after the control device obtains the style parameters of the symbol, the user inputs the parameter values of each style parameter in the style parameters, and the control device may receive the style parameter setting instruction, obtain the parameter values of each style parameter in the style parameter setting instruction, and generate the symbol style corresponding to the parameter values of the style parameters according to the parameter values of the style parameters.
Based on the scheme, the basic information of each symbol is set by inputting the symbol identification information in the configuration area and acquiring and displaying the style parameters, so that the requirement of a user on self-defined symbols is met, and the compatibility of the symbols is ensured.
Optionally, as shown in fig. 3, the symbol editing template includes a symbol preview area, the symbol preview area includes a symbol editing option, and after the style parameter setting instruction is responded, and the parameter value of the style parameter is obtained, the method further includes the following steps:
in step S301, a symbol is displayed in the preview area based on the parameter value of the style parameter.
In this embodiment, as shown in fig. 5, the preview area may include a symbol preview window and a style parameter adjustment window, where the symbol preview window is used to show a symbol style corresponding to a parameter value of a symbol style parameter, and the style parameter adjustment window is used to adjust the parameter value of the style parameter, so as to change the symbol style. After the parameter value of the style parameter is obtained, the control device determines the symbol style corresponding to the parameter value of the style parameter, and displays the display effect of the symbol on a symbol preview window.
Step S302, responding to the triggering operation of the symbol editing option, and acquiring the parameter value of the edited style parameter.
In this embodiment, as shown in fig. 5, the style adjustment window may include, but is not limited to, a symbol color option, a symbol radius option, a contour color option, and a contour brightness option. The symbol color option can adjust the parameter value of the symbol color parameter and is used for changing the display style of the symbol color; the symbol radius option can adjust the parameter value of the symbol radius parameter for changing the size of the symbol radius; the outline color option can adjust the parameter value of the outline color parameter for changing the color of the symbol outline; the contour brightness option may adjust a parameter value of a contour brightness parameter for changing the sensitivity of the symbol contour. And the user inputs each symbol style adjusting parameter or selects the type of each symbol style adjustment in a mode of dragging each symbol style adjusting button and the like in the style adjusting window to adjust the parameter value of each style parameter. And the control equipment receives the operation of adjusting the style parameters by the user, confirms the parameter values of each adjusted style parameter and displays the display style of the symbol corresponding to the parameter values of the style parameters of the symbol on the symbol preview window.
Step S303, generating symbols according to the parameter values of the edited style parameters.
In this embodiment, as shown in fig. 5, the preview area further includes a determination option, a cancel option, and an application option. And after the user clicks the determination option, the control equipment receives the operation of clicking the determination option by the user and confirms and stores the parameter value of the style parameter of the symbol. And after the user clicks the cancel option, the control equipment receives the operation of clicking the cancel option by the user and confirms to close the symbol editing template. And after the user clicks the application option, the control equipment receives the operation of clicking the application option by the user, confirms and stores the parameter value of the style parameter of the symbol, and generates the symbol according to the parameter value of the style parameter of the symbol. After the user edits and adjusts the parameter value of the style parameter of the finished symbol, the application option is clicked, the control device receives the operation for clicking the application option, confirms the parameter value of the style parameter of the saved symbol, and generates the symbol.
In the scheme, the final display effect of the symbol is determined by previewing the display effect of the symbol and adjusting the parameter value of the style parameter of the symbol in real time, so that the consistency between the display of the symbol and the symbol required by a user is ensured, and the accuracy of the symbol is improved.
Optionally, determining a target symbol in the generated symbols includes:
and acquiring the selected target symbol in response to the selection operation of the generated symbol.
In this embodiment, the control device filters the received spatial layer data to screen out spatial layer data that needs to be identified by a symbol, the user selects a corresponding generated symbol according to the spatial layer data that needs to be identified by the symbol, the control device receives an operation of selecting the corresponding generated symbol by the user, and confirms the generated symbol selected by the user, and the symbol is marked as a target symbol.
Optionally, as shown in fig. 4, performing color matching processing on the symbol image layer of the target symbol includes the following steps:
step S401, generating a symbol layer of the target symbol according to the target symbol and the spatial layer data.
In this embodiment, the control device selects different target symbols according to different attributes of the screened spatial layer data. And marking the screened spatial layer data by using different target symbols, and visually placing the marked spatial layer data into a layer of a target symbol marking the spatial layer data to generate a symbol layer.
Step S402, responding to the color matching instruction aiming at the symbol layers of the target symbols, and filling colors into the symbol layers of the target symbols respectively.
In this embodiment, a user selects different color options for symbol layers representing different attributes according to attributes represented by different data in spatial layer data, and the control device receives a color matching instruction for a symbol layer of a target symbol, fills different colors in the symbol layers representing different attributes according to the different color options selected by the user, and marks the attribute of the spatial layer data represented by the symbol layer with the symbol layer filled with the colors.
In the scheme, the space layer data is brought into the symbol layer, and the space layer data representing different attributes are subjected to color matching, so that the target symbol can be finally applied to the specific data space layer, and meanwhile, different color matching also lays a foundation for different display effects of the subsequent data space layer.
Optionally, as shown in fig. 6, after the color-matched symbol image layers are subjected to superposition processing to obtain a data space image layer, the method further includes the following steps:
step S601, in response to the symbol layer selection operation, determining a target symbol layer corresponding to the symbol layer selection operation.
In this embodiment, a user performs a selection operation on a symbol layer, and the control device receives an operation of selecting the symbol layer by the user and superimposes symbol layers of different colors to form a data space layer. And the control equipment performs selection operation according to the spatial layer data with different attributes represented by different symbol layers by a user, and displays the display effect of part or all of the symbol layers.
Step S602, displaying the data space layer based on the target symbol layer.
In this embodiment, the control device superimposes the display effects of the selected partial or all symbol layers and displays the display effect of the finally superimposed data space layer to form a visual data space layer, the user clicks the data space layer preview option, the control device obtains the operation of the user clicking the data space layer preview option, confirms a data space layer preview instruction sent by the user, and displays the visual data space layer.
In the scheme, the symbol layers after color matching are overlapped, and the symbol layers of different data are displayed, so that the requirements on the visualization effect of different spatial layer data under different conditions are better met.
The application further provides an example of a symbolized color matching method for spatial layer data, as shown in fig. 7, a specific processing procedure includes the following steps:
s701, displaying a configuration page of the geographic information system.
S702, responding to the symbol setting instruction, determining the symbol type to be set, and displaying the symbol editing template corresponding to the symbol type.
The symbol editing template comprises a configuration area of symbol description information and a symbol preview area, and is used for setting style parameters of symbols.
And S703, inputting the symbol identification information in the configuration area, acquiring the style parameter according to the symbol identification information, and displaying the style parameter.
S704, responding to the style parameter setting instruction, and acquiring parameter values of various style parameters input by a user.
S705, a symbol is displayed in the preview area based on the parameter value of the style parameter.
And S706, responding to the triggering operation of the symbol editing option, and acquiring the parameter value of the edited style parameter.
And S707, generating a symbol according to the parameter value of the edited style parameter.
S708, in response to the selection operation for the generated symbol, a selected target symbol is acquired.
And S709, generating a symbol layer of the target symbol according to the target symbol and the spatial layer data.
And S710, in response to the color matching instruction aiming at the symbol layers of the target symbols, filling colors into the symbol layers of the target symbols respectively.
And S711, performing superposition processing on the color-matched symbol image layers to obtain data space image layers.
And S712, responding to the symbol layer selection operation, and determining a target symbol layer corresponding to the symbol layer selection operation.
S713, displaying the data space layer based on the target symbol layer.
It should be understood that, although the steps in the flowcharts related to the embodiments are shown in sequence as indicated by the arrows, the steps are not necessarily executed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the above embodiments may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides a device for implementing the above-mentioned symbolic color matching method for spatial layer data. The implementation scheme for solving the problem provided by the apparatus is similar to the implementation scheme described in the above method, so that specific limitations in the following embodiment of a symbolic color matching apparatus for spatial layer data may refer to the limitations on the symbolic color matching method for spatial layer data, and are not described herein again.
In an embodiment, as shown in fig. 8, there is provided a symbolized color matching apparatus for spatial layer data, including: a first display module 810, a determination module 820, a first generation module 830, a color matching module 840, and a second generation module 850, wherein:
the first display module 810 is configured to display a configuration page of the geographic information system.
The determining module 820 is configured to determine a symbol type to be set in response to the symbol setting instruction, and display a symbol editing template corresponding to the symbol type in the configuration page, where the symbol editing template is used to set a style parameter of a symbol.
The first generating module 830 is configured to, in response to the style parameter setting instruction, obtain a parameter value of the style parameter, and generate a symbol according to the parameter value of the style parameter.
And the color matching module 840 is used for determining a target symbol in the generated symbols and performing color matching processing on the symbol image layer of the target symbol.
And the second generating module 850 is configured to perform superposition processing on the color-matched symbol map layers to obtain data space map layers.
Optionally, the symbol editing template includes a configuration area of symbol description information, and the determining module 820 is specifically configured to:
and inputting symbol identification information in the configuration area, acquiring the style parameters according to the symbol identification information, and displaying the style parameters.
And responding to the style parameter setting instruction, and acquiring parameter values of various style parameters input by a user.
Optionally, the symbol editing template includes a symbol preview area, and the symbol preview area includes a symbol editing option, and the apparatus further includes:
and the second display module is used for displaying the symbols in the preview area based on the parameter values of the style parameters.
And the obtaining module is used for responding to the triggering operation of the symbol editing option and obtaining the parameter value of the edited style parameter.
The first generating module 830 is specifically configured to:
and generating a symbol according to the parameter value of the edited style parameter.
Optionally, the color matching module 840 is specifically configured to:
and acquiring the selected target symbol in response to the selection operation of the generated symbol.
Optionally, the color matching module 840 is specifically configured to:
and generating a symbol layer of the target symbol according to the target symbol and the spatial layer data.
And filling the color into the symbol layers of the target symbols respectively in response to the color matching instructions aiming at the symbol layers of the target symbols.
Optionally, the second generating module 850 is specifically configured to:
and responding to the symbol layer selection operation, and determining a target symbol layer corresponding to the symbol layer selection operation.
And displaying the data space layer based on the target symbol layer.
In an embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 9. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a symbolized color matching method for spatial layer data. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 9 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In an embodiment, a computer device is provided, comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the above method embodiments when executing the computer program.
In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
It should be noted that, the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the computer program is executed. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile memory may include a Read-only memory (ROM), a magnetic tape, a floppy disk, a flash memory, an optical memory, a high-density embedded nonvolatile memory, a resistive random access memory (ReRAM), a Magnetic Random Access Memory (MRAM), a Ferroelectric Random Access Memory (FRAM), a Phase Change Memory (PCM), a graphene memory, and the like. Volatile memory can include Random Access Memory (RAM), external cache memory, or the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A symbolized color matching method for spatial layer data is characterized by comprising the following steps:
displaying a configuration page of the geographic information system;
responding to a symbol setting instruction, determining a symbol type to be set, and displaying a symbol editing template corresponding to the symbol type in the configuration page, wherein the symbol editing template is used for setting a style parameter of a symbol;
responding to a style parameter setting instruction, acquiring a parameter value of the style parameter, and generating the symbol according to the parameter value of the style parameter;
determining a target symbol in the generated symbols, and performing color matching processing on a symbol layer of the target symbol;
and superposing the symbol image layers after color matching to obtain a data space image layer.
2. The method according to claim 1, wherein the symbol editing template comprises a configuration area of symbol description information, and the obtaining of the parameter value of the style parameter in response to the style parameter setting instruction comprises:
inputting symbol identification information in the configuration area, acquiring the style parameter according to the symbol identification information, and displaying the style parameter;
and responding to a style parameter setting instruction, and acquiring a parameter value of each style parameter input by a user.
3. The method of claim 1, wherein the symbol editing template comprises a symbol preview area, wherein the symbol preview area comprises a symbol editing option, and wherein after obtaining the parameter value of the style parameter in response to a style parameter setting instruction, the method further comprises:
displaying the symbol in a preview area based on a parameter value of the style parameter;
responding to the triggering operation of the symbol editing option, and acquiring a parameter value of the edited style parameter;
the generating the symbol according to the parameter value of the pattern parameter includes:
and generating the symbol according to the edited parameter value of the style parameter.
4. The method of claim 1, wherein determining a target symbol among the generated symbols comprises:
and acquiring the selected target symbol in response to the selection operation of the generated symbol.
5. The method according to claim 1, wherein the performing a color matching process on the symbol image layer of the target symbol comprises:
generating a symbol layer of the target symbol according to the target symbol and the spatial layer data;
and filling colors into the symbol image layers of the target symbols respectively in response to the color matching instructions aiming at the symbol image layers of the target symbols.
6. The method according to claim 1, wherein after the overlaying the color-matched symbol image layers to obtain data space image layers, the method further comprises:
responding to a symbol layer selection operation, and determining a target symbol layer corresponding to the symbol layer selection operation;
and displaying the data space layer based on the target symbol layer.
7. A symbolic color matching apparatus for spatial layer data, the apparatus comprising:
the first display module is used for displaying a configuration page of the geographic information system;
the determining module is used for responding to a symbol setting instruction, determining a symbol type to be set, and displaying a symbol editing template corresponding to the symbol type in the configuration page, wherein the symbol editing template is used for setting a style parameter of a symbol;
the first generation module is used for responding to a style parameter setting instruction, acquiring a parameter value of the style parameter and generating the symbol according to the parameter value of the style parameter;
the color matching module is used for determining a target symbol in the generated symbols and performing color matching processing on the symbol image layer of the target symbol;
and the second generation module is used for performing superposition processing on the symbol map layers after color matching to obtain a data space map layer.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 6 when executed by a processor.
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