CN111967113B - Cloud platform node topological graph layout method and device - Google Patents
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Abstract
The invention discloses a method and a device for arranging a cloud platform node topological graph, wherein initial data are set, and the initial data comprise canvas width, canvas height, canvas edge distance, node width, node height and node distance; analyzing the resource data to obtain the total number of the nodes; calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout according to the total number of the nodes and the initial data; if the total width of the nodes does not exceed the width and the height of the canvas, performing square matrix layout; otherwise, matrix layout is carried out. According to the invention, the cloud platform has two layout modes of matrix layout and square matrix layout, and the reasonable layout mode is selected according to the number of nodes, so that canvas space can be reasonably utilized under different node numbers, the resource display is clearer, and the usability of the cloud platform is increased.
Description
Technical Field
The invention relates to the field of topological graph layout, in particular to a cloud platform topological graph layout method and device.
Background
With the popularity of cloud computing, more and more enterprises uniformly manage heterogeneous resources through a cloud management platform. In a cloud management platform, a topological graph is often used as a visualization means for displaying the association relationship among resources, and the nodes and the resources are in one-to-one correspondence, so that the association relationship among the resources is clearly and vividly displayed to a user. However, the current cloud management platform generally provides only one matrix layout topological graph, that is, nodes are tiled from left to right for display, and in the layout, when the number of the nodes is small (for example, the nodes cannot be arranged in a row), canvas space cannot be reasonably utilized, resource display is not clear enough, and the cloud platform is poor in usability.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a device for arranging a cloud platform node topological graph, which select a reasonable arrangement mode by using the number of nodes, more reasonably utilize canvas space, enable resource display to be clearer and increase the usability of a cloud platform.
The technical scheme of the invention is as follows: a cloud platform node topological graph layout method comprises the following steps:
setting initial data including canvas width, canvas height, canvas edge distance, node width, node height and node distance;
analyzing the resource data to obtain the total number of the nodes;
calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout according to the total number of the nodes and the initial data;
if the total width of the nodes does not exceed the width and the height of the canvas, performing square matrix layout; otherwise, matrix layout is carried out.
Further, according to the total number of the nodes and the initial data, calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout, specifically:
opening the root number of the total number of the nodes, and rounding up to obtain the number C of the nodes in each row;
the total width of the nodes is calculated by the following formula,
the total width of the nodes = canvas edge distance + (C node width) + (C-1) node distance + canvas edge distance;
comparing whether the total width of the nodes is smaller than the width of the canvas or not;
and if the total width of the node is smaller than the width of the canvas, comparing whether the total width of the node is smaller than the height of the canvas.
Further, under the square matrix layout, the coordinates (x, y) of each node are calculated by the following method for layout, wherein the coordinates (x, y) of the node refer to the coordinates of the vertex at the upper left corner of the node:
the abscissa x = canvas edge distance of the first node in each row, and the ordinate y = (current row number-1) × (node height + node distance) + canvas edge distance;
the abscissa x of the remaining nodes of each row = the abscissa of the corresponding preceding node in the row + the node width + the node pitch, and the ordinate y = the ordinate of the first node of the row.
Further, under the matrix layout, the coordinates (x, y) of the nodes are calculated by the following method for layout:
the abscissa x = canvas margin and the ordinate y = canvas margin of the first node of the first row;
the abscissa x = canvas edge distance and the ordinate y = canvas edge distance + (node height + node spacing) × (j-1) of the first node in the jth row, where j is an integer greater than 1;
the abscissa x = canvas edge distance + (node width + node pitch) × (i-1) of the ith node of each row, and the ordinate y = the ordinate of the first node of the row, where i is an integer greater than 1;
after calculating the abscissa of each node, judging whether the total width of the row of nodes exceeds the width of the canvas, wherein the total width of the row of nodes = the abscissa of the node + the width of the node + the edge distance of the canvas; if the total width of the row of nodes exceeds the width of the canvas, the nodes are rewound to the next row, and the coordinates of the nodes are reset.
Further, the node width is the same as the node height.
The technical scheme of the invention also comprises a cloud platform node topological graph layout device, which comprises,
an initialization module: setting initial data including canvas width, canvas height, canvas edge distance, node width, node height and node distance;
a node total number obtaining module: analyzing the resource data to obtain the total number of the nodes;
a layout judgment module: calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout according to the total number of the nodes and the initial data; if the total width of the nodes does not exceed the width and the height of the canvas, performing square matrix layout; otherwise, matrix layout is carried out.
Further, the layout judging module includes,
the square matrix layout each row node number calculation unit: opening the root number of the total number of the nodes, and rounding up to obtain the number C of the nodes in each row;
a total width calculation unit of the square matrix layout nodes: calculating the total node width by the total node width of a formula = canvas edge distance + (C node width) + (C-1) node distance + canvas edge distance;
a layout selection unit: comparing whether the total width of the nodes is smaller than the width of the canvas or not, and if the total width of the nodes is not smaller than the width of the canvas, selecting matrix layout; if the total seen width of the node is smaller than the canvas width, comparing whether the total width of the node is smaller than the canvas height, if the total width of the node is smaller than the canvas height, selecting the square matrix layout, otherwise selecting the matrix layout.
Further, the device also comprises a square matrix layout coordinate calculation module, wherein the square matrix layout coordinate calculation module calculates coordinates of each node for layout by the following method, and the coordinates (x, y) of the node refer to the coordinates of the vertex at the upper left corner of the node:
the abscissa x = canvas edge distance of the first node in each row, and the ordinate y = (current row number-1) × (node height + node distance) + canvas edge distance;
the abscissa x of the remaining nodes of each row = the abscissa of the corresponding preceding node in the row + the node width + the node pitch, and the ordinate y = the ordinate of the first node of the row.
Further, the device also comprises a matrix layout coordinate calculation module, wherein the matrix layout coordinate calculation module calculates the coordinates of each node for layout by the following method:
the abscissa x = canvas margin and the ordinate y = canvas margin of the first node of the first row;
the abscissa x = canvas edge distance and the ordinate y = canvas edge distance + (node height + node spacing) × (j-1) of the first node in the jth row, where j is an integer greater than 1;
the abscissa x = canvas edge distance + (node width + node pitch) × (i-1) of the ith node of each row, and the ordinate y = the ordinate of the first node of the row, where i is an integer greater than 1;
after calculating the abscissa of each node, judging whether the total width of the row of nodes exceeds the width of the canvas, wherein the total width of the row of nodes = the abscissa of the node + the width of the node + the edge distance of the canvas; if the total width of the row of nodes exceeds the width of the canvas, the nodes are rewound to the next row, and the coordinates of the nodes are reset.
Further, the node width is the same as the node height.
According to the cloud platform node topological graph layout method and device, the cloud platform has two layout modes of matrix layout and square matrix layout, and the reasonable layout mode is selected according to the number of nodes, so that canvas space can be reasonably utilized under different node numbers, resource display is clearer, and the usability of the cloud platform is improved.
Drawings
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a second structure according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
Example one
As shown in fig. 1, the present embodiment provides a cloud platform node topology layout method, including the following steps:
s1, setting initial data including canvas width, canvas height, canvas edge distance, node width, node height and node distance;
the user sets up relevant data parameter before the node overall arrangement, can set up specific numerical value size as required, if set for the width height of canvas, the width height of node, the interval and the canvas margin between the node etc. wherein the canvas margin is the minimum distance of the node distance canvas side of the outside.
The width of the node can be the same as the height of the node, namely the node is square.
S2, analyzing the resource data to obtain the total number of nodes;
resources can be inquired through the related interfaces, the acquired resources are analyzed, and the total number of the nodes is obtained. It should be noted that, after the resource is acquired, an analysis rule is indicated in the resource, and the resource is analyzed according to the analysis rule, which is the prior art and is not described herein again.
S3, calculating whether the total width of the nodes exceeds the width and height of the canvas under the square matrix layout according to the total number of the nodes and the initial data;
in this embodiment, a square array layout is preferably selected, where the square array layout refers to a layout with the same number of nodes on rows and columns, and when the square array layout is implemented specifically, if the number of nodes cannot satisfy the condition that the number of nodes on rows and columns is the same, the rows are preferably arranged.
S4, if the total width of the nodes does not exceed the width and height of the canvas, performing square matrix layout; otherwise, carrying out matrix layout;
if square matrix layout is carried out, the total node width exceeds the canvas width and the canvas height, and in order to avoid the appearance of transverse and longitudinal scroll bars, matrix layout is adopted.
In this embodiment, in step S3, the total node width in the square matrix layout is calculated by the following method, and it is determined whether the total node width exceeds the canvas width and the canvas height, thereby determining the selected layout mode.
S301, starting the root number of the total number of the nodes, and rounding up to obtain the number C of the nodes in each row;
it should be noted that the calculated number C of nodes in each row is the number of nodes in each row when each row is full, and if the result of the root number of the number of nodes is not an integer, the last row cannot be full, and the number of nodes in the most significant row is less than C. For example, there are 11 nodes, the root number is rounded up to 4, i.e. three rows, the first two rows each have 4 nodes, and the third row has 3 nodes.
S302, calculating the total width of the nodes by the following formula,
the total width of the nodes = canvas edge distance + (C node width) + (C-1) node distance + canvas edge distance;
s303, comparing whether the total width of the nodes is smaller than the width of the canvas or not;
in order to avoid the occurrence of the horizontal scroll bar, if the total width of the nodes is greater than the width of the canvas, the matrix layout is selected, and the step S304 is not performed.
S304, if the total width of the node is less than the width of the canvas, comparing whether the total width of the node is less than the height of the canvas;
and when the total width of the node is smaller than the width of the canvas, comparing the total width of the node with the height of the canvas, and if the total width of the node is larger than the height of the canvas, selecting matrix layout for avoiding the occurrence of a longitudinal scroll bar. It should be noted that according to the algorithm, the number of columns is not less than the number of rows in the square matrix layout, so the present embodiment compares the total node width with the canvas height.
In this embodiment, the coordinates (x, y) of each node are calculated in the following manner in the square matrix layout to lay out the nodes. The node coordinates (x, y) calculated in this embodiment refer to the coordinates of the vertex at the upper left corner of the node.
(1) The abscissa x = canvas edge distance of the first node in each row, and the ordinate y = (current row number-1) × (node height + node distance) + canvas edge distance;
(2) the abscissa x of the remaining nodes of each row = the abscissa of the corresponding preceding node in the row + the node width + the node pitch, and the ordinate y = the ordinate of the first node of the row.
In this embodiment, coordinates (x, y) of each node are calculated in the following manner under matrix layout to lay out the nodes.
(1) The abscissa x = canvas margin and the ordinate y = canvas margin of the first node in the first row;
(2) the abscissa x = canvas edge distance and the ordinate y = canvas edge distance + (node height + node spacing) × (j-1) of the first node in the jth row, where j is an integer greater than 1;
(3) the abscissa x = canvas edge distance + (node width + node pitch) × (i-1) of the ith node of each row, and the ordinate y = the ordinate of the first node of the row, where i is an integer greater than 1;
(4) after calculating the abscissa of each node, judging whether the total width of the row of nodes exceeds the width of the canvas, wherein the total width of the row of nodes = the abscissa of the node + the width of the node + the edge distance of the canvas; if the total width of the row of nodes exceeds the width of the canvas, the nodes are rewound to the next row, and the coordinates of the nodes are reset.
Therefore, under the matrix layout, the total width of the corresponding node needs to be judged once every time one node is calculated, so that the situation that the total width exceeds the canvas and a transverse scroll bar appears is avoided. Compared with matrix layout, the square matrix layout has simple coordinate calculation and can carry out layout more quickly.
Example two
As shown in fig. 2, on the basis of the first embodiment, the present embodiment provides a cloud platform node topology layout apparatus, which includes the following functional modules.
The initialization module 1: setting initial data including canvas width, canvas height, canvas edge distance, node width, node height and node distance; the height and the width of the node can be the same, namely the node is square;
a node total number obtaining module 2: analyzing the resource data to obtain the total number of the nodes;
the layout judgment module 3: calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout according to the total number of the nodes and the initial data; if the total width of the nodes does not exceed the width and the height of the canvas, performing square matrix layout; otherwise, matrix layout is carried out.
The layout judging module 3 comprises the following functional units:
square matrix layout node count per row calculation unit 301: the total number of the nodes is numbered, and the number is rounded up to obtain the number C of the nodes in each row;
the total width of the square matrix layout nodes calculation unit 302: calculating the total node width by the formula node total width = canvas edge distance + (C node width) + (C-1) node distance + canvas edge distance;
layout selecting section 303: comparing whether the total width of the nodes is smaller than the width of the canvas or not, and if the total width of the nodes is not smaller than the width of the canvas, selecting matrix layout; if the total seen width of the node is smaller than the canvas width, comparing whether the total width of the node is smaller than the canvas height, if the total width of the node is smaller than the canvas height, selecting the square matrix layout, otherwise selecting the matrix layout.
After the layout mode is selected, the device is further provided with a square matrix layout coordinate calculation module 4 and a matrix layout coordinate calculation module 5 for calculating node coordinates for layout.
The matrix layout coordinate calculation module 4 calculates coordinates of each node for layout by the following method, wherein the coordinates (x, y) of the node refer to the coordinates of the vertex at the upper left corner of the node:
the abscissa x = canvas edge distance of the first node in each row, and the ordinate y = (current row number-1) × (node height + node distance) + canvas edge distance;
the abscissa x of the remaining nodes of each row = the abscissa of the corresponding preceding node in the row + the node width + the node pitch, and the ordinate y = the ordinate of the first node of the row.
The matrix layout coordinate calculation module 5 calculates coordinates of each node by the following method for layout:
the abscissa x = canvas margin and the ordinate y = canvas margin of the first node of the first row;
the abscissa x = canvas edge distance and the ordinate y = canvas edge distance + (node height + node spacing) × (j-1) of the first node in the jth row, where j is an integer greater than 1;
the abscissa x = canvas edge distance + (node width + node pitch) × (i-1) of the ith node of each row, and the ordinate y = the ordinate of the first node of the row, where i is an integer greater than 1;
after calculating the abscissa of each node, judging whether the total width of the row of nodes exceeds the width of the canvas, wherein the total width of the row of nodes = the abscissa of the node + the width of the node + the edge distance of the canvas; if the total width of the row of nodes exceeds the width of the canvas, the nodes are rewound to the next row, and the coordinates of the nodes are reset.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A cloud platform node topological graph layout method is characterized by comprising the following steps:
setting initial data including canvas width, canvas height, canvas edge distance, node width, node height and node distance;
analyzing the resource data to obtain the total number of the nodes;
calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout according to the total number of the nodes and the initial data;
if the total width of the nodes does not exceed the width and the height of the canvas, performing square matrix layout; otherwise, matrix layout is carried out;
wherein, according to the total number of nodes and initial data, calculate under the square matrix layout, whether the total width of node exceeds canvas width and canvas height, specifically do:
opening the root number of the total number of the nodes, and rounding up to obtain the number C of the nodes in each row;
the total width of the nodes is calculated by the following formula,
the total width of the nodes = canvas edge distance + (C node width) + (C-1) node distance + canvas edge distance;
comparing whether the total width of the nodes is smaller than the width of the canvas or not;
and if the total width of the node is smaller than the width of the canvas, comparing whether the total width of the node is smaller than the height of the canvas.
2. The cloud platform node topology map layout method according to claim 1, wherein, in the square matrix layout, the coordinates (x, y) of each node are calculated by the following method for layout, wherein the coordinates (x, y) of a node refer to the coordinates of the vertex at the top left corner of the node:
the abscissa x = canvas edge distance of the first node in each row, and the ordinate y = (current row number-1) × (node height + node distance) + canvas edge distance;
the abscissa x of the remaining nodes of each row = the abscissa of the corresponding preceding node in the row + the node width + the node pitch, and the ordinate y = the ordinate of the first node of the row.
3. The cloud platform node topology map layout method according to claim 2, wherein the coordinates (x, y) of the nodes are calculated by the following method for layout under the matrix layout:
the abscissa x = canvas margin and the ordinate y = canvas margin of the first node of the first row;
the abscissa x = canvas edge distance and the ordinate y = canvas edge distance + (node height + node spacing) × (j-1) of the first node in the jth row, where j is an integer greater than 1;
the abscissa x = canvas edge distance + (node width + node pitch) × (i-1) of the ith node of each row, and the ordinate y = the ordinate of the first node of the row, where i is an integer greater than 1;
after the abscissa of each node is calculated, judging whether the total width of the row of nodes exceeds the width of the canvas, wherein the total width of the row of nodes = the abscissa of the node + the width of the node + the edge distance of the canvas; if the total width of the row of nodes exceeds the width of the canvas, the nodes are rewound to the next row, and the coordinates of the nodes are reset.
4. The cloud platform node topology map layout method of any of claims 1-3, wherein node width is the same as node height.
5. A cloud platform node topology map layout device is characterized by comprising,
an initialization module: setting initial data including canvas width, canvas height, canvas edge distance, node width, node height and node distance;
a node total number obtaining module: analyzing the resource data to obtain the total number of the nodes;
a layout judgment module: calculating whether the total width of the nodes exceeds the width and the height of the canvas under the square matrix layout according to the total number of the nodes and the initial data; if the total width of the nodes does not exceed the width and the height of the canvas, performing square matrix layout; otherwise, matrix layout is carried out;
wherein the layout judging module comprises a first layout judging module,
the square matrix layout each row node number calculation unit: opening the root number of the total number of the nodes, and rounding up to obtain the number C of the nodes in each row;
a total width calculation unit of the square matrix layout nodes: calculating the total node width by the formula node total width = canvas edge distance + (C node width) + (C-1) node distance + canvas edge distance;
a layout selection unit: comparing whether the total width of the nodes is smaller than the width of the canvas or not, and if the total width of the nodes is not smaller than the width of the canvas, selecting matrix layout; if the total width of the nodes is smaller than the width of the canvas, comparing whether the total width of the nodes is smaller than the height of the canvas or not, if the total width of the nodes is smaller than the height of the canvas, selecting the square matrix layout, otherwise selecting the matrix layout.
6. The cloud platform node topology map layout device of claim 5, further comprising a square matrix layout coordinate calculation module, wherein the square matrix layout coordinate calculation module calculates coordinates of each node for layout by the following method, and coordinates (x, y) of a node refer to coordinates of a vertex at the top left corner of the node:
the abscissa x = canvas edge distance of the first node in each row, and the ordinate y = (current row number-1) × (node height + node distance) + canvas edge distance;
the abscissa x of the remaining nodes of each row = the abscissa of the corresponding preceding node in the row + the node width + the node pitch, and the ordinate y = the ordinate of the first node of the row.
7. The cloud platform node topology graph layout device of claim 6, further comprising a matrix layout coordinate calculation module, wherein the matrix layout coordinate calculation module calculates coordinates of each node for layout by:
the abscissa x = canvas margin and the ordinate y = canvas margin of the first node of the first row;
the abscissa x = canvas edge distance and the ordinate y = canvas edge distance + (node height + node spacing) × (j-1) of the first node in the jth row, where j is an integer greater than 1;
the abscissa x = canvas edge distance + (node width + node pitch) × (i-1) of the ith node of each row, and the ordinate y = the ordinate of the first node of the row, where i is an integer greater than 1;
after calculating the abscissa of each node, judging whether the total width of the row of nodes exceeds the width of the canvas, wherein the total width of the row of nodes = the abscissa of the node + the width of the node + the edge distance of the canvas; if the total width of the row of nodes exceeds the width of the canvas, the nodes are rewound to the next row, and the coordinates of the nodes are reset.
8. The cloud platform node topology graph arrangement of any of claims 5-7, wherein a node width is the same as a node height.
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| CN102281154A (en) * | 2011-07-12 | 2011-12-14 | 广东宜通世纪科技股份有限公司 | Display method and system of network topology graphing |
| CN110086665A (en) * | 2019-04-25 | 2019-08-02 | 北京计算机技术及应用研究所 | A kind of network topological diagram methods of exhibiting based on jTopo |
| CN110247794A (en) * | 2019-05-29 | 2019-09-17 | 北京中亦安图科技股份有限公司 | The topological graph methods of exhibiting and device of one kind of multiple layout type |
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| CN102281154A (en) * | 2011-07-12 | 2011-12-14 | 广东宜通世纪科技股份有限公司 | Display method and system of network topology graphing |
| CN110086665A (en) * | 2019-04-25 | 2019-08-02 | 北京计算机技术及应用研究所 | A kind of network topological diagram methods of exhibiting based on jTopo |
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