CN111126016A - Gantt chart drawing method and device, computer storage medium and terminal - Google Patents

Gantt chart drawing method and device, computer storage medium and terminal Download PDF

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Publication number
CN111126016A
CN111126016A CN201911234833.3A CN201911234833A CN111126016A CN 111126016 A CN111126016 A CN 111126016A CN 201911234833 A CN201911234833 A CN 201911234833A CN 111126016 A CN111126016 A CN 111126016A
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chart
item
bar
information
graph
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曹丽影
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Beijing Mininglamp Software System Co ltd
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Beijing Mininglamp Software System Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/10Office automation; Time management
    • G06Q10/103Workflow collaboration or project management
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/20Drawing from basic elements, e.g. lines or circles
    • G06T11/206Drawing of charts or graphs

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  • Data Mining & Analysis (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

A method, a device, a computer storage medium and a terminal for drawing Gantt chart are provided, which comprises: determining the time granularity of the Gantt chart to be drawn according to the time information of each item; drawing a bar graph of each item on the chart according to the determined time granularity; wherein the graph comprises: a chart constructed based on a hypertext markup language (html) tag form. According to the embodiment of the invention, the Gantt chart conforming to the granularity of the project time is drawn through the time information, so that the applicability of the Gantt chart is improved; furthermore, the display effect of the Gantt chart is improved through the setting of the bar chart graphic format and/or the identification of the incidence relation.

Description

Gantt chart drawing method and device, computer storage medium and terminal
Technical Field
The present disclosure relates to, but not limited to, graphics technologies, and in particular, to a method, an apparatus, a computer storage medium, and a terminal for drawing a gantt chart.
Background
Gantt chart (Gantt chart), also known as a crosswalk chart, Bar chart (Bar chart), shows items, progress, and other time-dependent inherent relationships of system progress over time. The horizontal axis of the Gantt chart represents time, the vertical axis represents items, and the lines represent planning and actual completion conditions during the period; visually indicating when the plan is performed by virtue of a Gantt chart, and comparing the progress with the requirement; the manager can conveniently find out the remaining tasks of the project and evaluate the work progress; therefore, in the project management, it is widely applied to manage the related system software, and embedding a world wide web (web) end gantt chart is necessary to show the progress of the project.
At present, the open source Gantt chart plug-ins are few, and no plug-ins based on a new front-end technology exist, so that inconvenience is brought to Gantt charts for users; furthermore, gantt charts also suffer from the following problems: 1. the time range granularity is large, and the project with smaller time granularity can not be applied basically to the year, month and day; the cells with data are completely filled, so that the display effect is poor; the method can be only used for identifying the relation in time and does not have the function of displaying other information.
In summary, it is a problem to be solved to design a gantt chart with wider applicability and better display effect.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the invention provides a method and a device for drawing a Gantt chart, a computer storage medium and a terminal, which can improve the applicability and the display effect of the Gantt chart.
The embodiment of the invention provides a method for drawing a Gantt chart, which comprises the following steps:
determining the time granularity of the Gantt chart to be drawn according to the time information of each item;
drawing a bar graph of each item on the chart according to the determined time granularity;
wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language.
In an exemplary embodiment, before the bar graph of items on the chart according to the determined temporal granularity, the method further comprises:
determining the type of each item according to the type information of each item;
according to the determined types of the items, setting corresponding graphic formats for the items of different types respectively;
wherein the graphic format comprises one or any combination of the following formats: line color, line thickness, line shape, bar pattern filling pattern, bar pattern size and bar pattern filling color.
In an exemplary embodiment, after the bar graph of items on the chart according to the determined temporal granularity, the method further comprises:
determining the incidence relation among the projects according to the incidence relation information of each project;
adding a preset identifier representing the association relationship among the drawn bar graphs according to the determined association relationship among the projects;
wherein the identification comprises any one of the following categories of identification: the system comprises a coding identifier, a graph identifier and a connection identifier consisting of line segments.
In an exemplary embodiment, before the bar graph of items on the chart according to the determined temporal granularity, the method further comprises:
acquiring the project related information of one or any combination of the following projects: the time information, the type information and the association relation information.
On the other hand, an embodiment of the present invention further provides a device for drawing a gantt chart, including: a determining unit and a drawing unit; wherein,
the determination unit is used for: determining the time granularity of the Gantt chart to be drawn according to the time information of each item;
the drawing unit is used for: drawing a bar graph of each item on the chart according to the determined time granularity;
wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language.
In one exemplary embodiment:
the determination unit is further configured to: determining the type of each item according to the type information of each item;
the rendering unit is further configured to: according to the determined types of the items, setting corresponding graphic formats for the items of different types respectively;
wherein the graphic format comprises one or any combination of the following formats: line color, line thickness, line shape, bar pattern filling pattern, bar pattern size and bar pattern filling color.
In one exemplary embodiment:
the determination unit is further configured to: determining the incidence relation among the projects according to the incidence relation information of each project;
the apparatus further comprises an identification unit configured to: adding a preset identifier representing the association relationship among the drawn bar graphs according to the association relationship among the items determined by the determining unit;
wherein the identification comprises any one of the following categories of identification: the system comprises a coding identifier, a graph identifier and a connection identifier consisting of line segments.
In an exemplary embodiment, the apparatus further includes an obtaining unit configured to:
acquiring the project related information of one or any combination of the following projects: the time information, the type information and the association relation information.
In still another aspect, an embodiment of the present invention further provides a computer storage medium, where a computer program is stored, and when the computer program is executed by a processor, the method for drawing a gantt chart is implemented.
In another aspect, an embodiment of the present invention further provides a terminal, including: a memory and a processor, the memory having a computer program stored therein; wherein,
the processor is configured to execute the computer program in the memory;
the computer program, when executed by the processor, implements a method of rendering a gantt chart as described above.
Compared with the related art, the technical scheme of the application comprises the following steps: determining the time granularity of the Gantt chart to be drawn according to the time information of each item; drawing a bar graph of each item on the chart according to the determined time granularity; wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language. According to the embodiment of the invention, the Gantt chart conforming to the granularity of the project time is drawn through the time information, so that the applicability of the Gantt chart is improved; furthermore, the display effect of the Gantt chart is improved through the setting of the bar chart graphic format and/or the identification of the incidence relation.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of a method for rendering Gantt charts according to an embodiment of the present invention;
fig. 2 is a block diagram of an apparatus for rendering a gantt chart according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 1 is a flowchart of a method for drawing a gantt chart according to an embodiment of the present invention, as shown in fig. 1, including:
step 101, determining the time granularity of a Gantt chart to be drawn according to the time information of each item;
in the time information of the embodiment of the invention, the time granularity can be determined according to the time unit; for example: the unit of time is day, and the granularity of time is day; the time unit is week, and the time granularity is week; the time unit is hour, the time granularity is hour.
In an exemplary embodiment, before the bar chart of the items is plotted on the chart according to the determined time granularity, the method in the embodiment of the present invention further includes:
determining the type of each item according to the type information of each item;
according to the determined types of the items, setting corresponding graphic formats for the items of different types respectively;
wherein the graphic format comprises one or any combination of the following formats: line color, line thickness, line shape, bar pattern filling pattern, bar pattern size and bar pattern filling color.
102, drawing bar graphs of all items on a chart according to the determined time granularity;
wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language.
According to the chart constructed based on the html tag table, the bar chart based on the determined time granularity can be drawn, and the application range of the Gantt chart is widened.
In an exemplary embodiment, the Gantt chart is drawn with a time length equal to the number of columns in the table and a number of entries equal to the number of rows in the chart. Specifically, the embodiment of the invention traverses the data for drawing the Gantt chart, the starting time of each project is the starting point of the bar chart, and the project construction period is the length of the bar chart;
in an exemplary embodiment, embodiments of the invention may draw bar charts into a chart using the relative positioning of cascading style sheet (css) technology.
In an exemplary embodiment, after the bar chart of the items is plotted on the chart according to the determined time granularity, the method in the embodiment of the present invention further includes:
determining the incidence relation among the projects according to the incidence relation information of each project;
adding a preset identifier representing the association relationship among the drawn bar graphs according to the determined association relationship among the projects;
wherein the identification comprises any one of the following categories of identification: the system comprises a coding identifier, a graph identifier and a connection identifier consisting of line segments.
In an exemplary embodiment, the items having an association relationship may be connected by a line.
In an exemplary embodiment, before the bar chart of the items is plotted on the chart according to the determined time granularity, the method in the embodiment of the present invention further includes:
acquiring the project related information of one or any combination of the following projects: the time information, the type information and the association relation information.
In an exemplary embodiment, the time information comprises a start time and/or an end time of the item; further, referring to the related art, information such as a project name and a project schedule is also involved in drawing the gantt chart, and therefore, the project-related information may further include: project name and project period.
The item-related information may be obtained from data information of the drawn gantt chart.
In an exemplary embodiment, the item-related information received by the html page according to an embodiment of the present invention may be information in JS object notation (JSON, JS is an abbreviation of JavaScript) format.
Compared with the related art, the technical scheme of the application comprises the following steps: determining the time granularity of the Gantt chart to be drawn according to the time information of each item; drawing a bar graph of each item on the chart according to the determined time granularity; wherein the graph comprises: a chart constructed based on a hypertext markup language (html) tag form. According to the embodiment of the invention, the Gantt chart conforming to the granularity of the project time is drawn through the time information, so that the applicability of the Gantt chart is improved; furthermore, the display effect of the Gantt chart is improved through the setting of the bar chart graphic format and/or the identification of the incidence relation.
Fig. 2 is a block diagram of a structure of an apparatus for drawing a gantt chart according to an embodiment of the present invention, as shown in fig. 2, including: a determining unit and a drawing unit; wherein,
the determination unit is used for: determining the time granularity of the Gantt chart to be drawn according to the time information of each item;
the drawing unit is used for: drawing a bar graph of each item on the chart according to the determined time granularity;
wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language.
In one exemplary embodiment:
the determination unit is further configured to: determining the type of each item according to the type information of each item;
the rendering unit is further configured to: according to the determined types of the items, setting corresponding graphic formats for the items of different types respectively;
wherein the graphic format comprises one or any combination of the following formats: line color, line thickness, line shape, bar pattern filling pattern, bar pattern size and bar pattern filling color.
In one exemplary embodiment:
the determination unit is further configured to: determining the incidence relation among the projects according to the incidence relation information of each project;
the apparatus further comprises an identification unit configured to: adding a preset identifier representing the association relationship among the drawn bar graphs according to the association relationship among the items determined by the determining unit;
wherein the identification comprises any one of the following categories of identification: the system comprises a coding identifier, a graph identifier and a connection identifier consisting of line segments.
In an exemplary embodiment, the apparatus further includes an obtaining unit configured to:
acquiring the project related information of one or any combination of the following projects: the time information, the type information and the association relation information.
In an exemplary embodiment, the time information comprises a start time and/or an end time of the item; further, referring to the related art, information such as a project name and a project schedule is also involved in drawing the gantt chart, and therefore, the project-related information may further include: project name and project period.
Compared with the related art, the technical scheme of the application comprises the following steps: determining the time granularity of the Gantt chart to be drawn according to the time information of each item; drawing a bar graph of each item on the chart according to the determined time granularity; wherein the graph comprises: a chart constructed based on a hypertext markup language (html) tag form. According to the embodiment of the invention, the Gantt chart conforming to the granularity of the project time is drawn through the time information, so that the applicability of the Gantt chart is improved; furthermore, the display effect of the Gantt chart is improved through the setting of the bar chart graphic format and/or the identification of the incidence relation.
The embodiment of the invention also provides a computer storage medium, wherein a computer program is stored in the computer storage medium, and when being executed by a processor, the computer program realizes the method for drawing the Gantt chart.
An embodiment of the present invention further provides a terminal, including: a memory and a processor, the memory having a computer program stored therein; wherein,
the processor is configured to execute the computer program in the memory;
the computer program, when executed by the processor, implements a method of rendering a gantt chart as described above.
"one of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art. "

Claims (10)

1. A method of rendering a gantt chart comprising:
determining the time granularity of the Gantt chart to be drawn according to the time information of each item;
drawing a bar graph of each item on the chart according to the determined time granularity;
wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language.
2. The method of claim 1, wherein prior to plotting a bar graph of items on a graph according to the determined temporal granularity, the method further comprises:
determining the type of each item according to the type information of each item;
according to the determined types of the items, setting corresponding graphic formats for the items of different types respectively;
wherein the graphic format comprises one or any combination of the following formats: line color, line thickness, line shape, bar pattern filling pattern, bar pattern size and bar pattern filling color.
3. The method of claim 1, wherein after the bar graph of items is plotted on a graph according to the determined temporal granularity, the method further comprises:
determining the incidence relation among the projects according to the incidence relation information of each project;
adding a preset identifier representing the association relationship among the drawn bar graphs according to the determined association relationship among the projects;
wherein the identification comprises any one of the following categories of identification: the system comprises a coding identifier, a graph identifier and a connection identifier consisting of line segments.
4. A method according to any of claims 1 to 3, wherein prior to plotting a bar graph of items on a chart according to determined temporal granularity, the method further comprises:
acquiring the project related information of one or any combination of the following projects: the time information, the type information and the association relation information.
5. An apparatus for rendering gantt charts, comprising: a determining unit and a drawing unit; wherein,
the determination unit is used for: determining the time granularity of the Gantt chart to be drawn according to the time information of each item;
the drawing unit is used for: drawing a bar graph of each item on the chart according to the determined time granularity;
wherein the graph comprises: and (3) constructing a chart based on the html tag table of the hypertext markup language.
6. The apparatus of claim 5,
the determination unit is further configured to: determining the type of each item according to the type information of each item;
the rendering unit is further configured to: according to the determined types of the items, setting corresponding graphic formats for the items of different types respectively;
wherein the graphic format comprises one or any combination of the following formats: line color, line thickness, line shape, bar pattern filling pattern, bar pattern size and bar pattern filling color.
7. The apparatus of claim 5,
the determination unit is further configured to: determining the incidence relation among the projects according to the incidence relation information of each project;
the apparatus further comprises an identification unit configured to: adding a preset identifier representing the association relationship among the drawn bar graphs according to the association relationship among the items determined by the determining unit;
wherein the identification comprises any one of the following categories of identification: the system comprises a coding identifier, a graph identifier and a connection identifier consisting of line segments.
8. The apparatus according to any one of claims 5 to 7, further comprising an acquisition unit for:
acquiring the project related information of one or any combination of the following projects: the time information, the type information and the association relation information.
9. A computer storage medium having stored thereon a computer program which, when executed by a processor, implements a method of rendering Gantt charts as claimed in any one of claims 1 to 4.
10. A terminal, comprising: a memory and a processor, the memory having a computer program stored therein; wherein,
the processor is configured to execute the computer program in the memory;
the computer program, when executed by the processor, implements a method of rendering Gantt charts as claimed in any one of claims 1 to 4.
CN201911234833.3A 2019-12-05 2019-12-05 Gantt chart drawing method and device, computer storage medium and terminal Withdrawn CN111126016A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111708918A (en) * 2020-05-15 2020-09-25 北京明略软件系统有限公司 Data processing method, electronic equipment and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102236680A (en) * 2010-04-27 2011-11-09 杭州德昌隆信息技术有限公司 Gantt chart generation method and Gantt chart generation device based on browser
CN103136626A (en) * 2011-11-29 2013-06-05 北京建龙重工集团有限公司 On-line management method for engineering project
US20160189108A1 (en) * 2014-12-30 2016-06-30 Sugarcrm Inc. Calendar with customer relationship management (crm) gantt chart integration
CN110427411A (en) * 2019-08-02 2019-11-08 河南开合软件技术有限公司 Associated data is carried out visualization method by figure layer by one kind

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102236680A (en) * 2010-04-27 2011-11-09 杭州德昌隆信息技术有限公司 Gantt chart generation method and Gantt chart generation device based on browser
CN103136626A (en) * 2011-11-29 2013-06-05 北京建龙重工集团有限公司 On-line management method for engineering project
US20160189108A1 (en) * 2014-12-30 2016-06-30 Sugarcrm Inc. Calendar with customer relationship management (crm) gantt chart integration
CN110427411A (en) * 2019-08-02 2019-11-08 河南开合软件技术有限公司 Associated data is carried out visualization method by figure layer by one kind

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111708918A (en) * 2020-05-15 2020-09-25 北京明略软件系统有限公司 Data processing method, electronic equipment and storage medium

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Application publication date: 20200508