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2.7 KiB
2.7 KiB
title | order |
---|---|
Get/Set | 2 |
graph.get(key)
Get an property of graph by key.
Parameters
Name | Type | Required | Description |
---|---|---|---|
key | string | true | Key of the property. |
Usage
// get the group
const group = graph.get('group');
// get the canvas instance
const canvas = graph.get('canvas');
// get the value of autoPaint
const autoPaint = graph.get('autoPaint');
graph.set(key, val)
Set the value to an property.
Parameters
Name | Type | Required | Description |
---|---|---|---|
key | string | true | The key of the property. |
val | string / Object / Array | true | The value of the property. |
Usage
// Set capture to false
graph.set('capture', false);
// Set customGroup to group
graph.set('customGroup', group);
// Set nodeIdList to [1, 3, 5]
graph.set('nodeIdList', [1, 3, 5]);
graph.getContainer()
Get the DOM container of the graph.
Parameter
No parameter.
Usage
graph.getContainer();
graph.getGroup()
Get the root graphics group of the graph.
Parameter
No parameter.
Usage
graph.getGroup();
graph.getMinZoom()
Get the minZoom
for the graph, which is the lower limit of the zoom ratio.
Parameter
No parameter
Usage
graph.getMinZoom();
graph.setMinZoom(ratio)
Set the minZoom
for the graph, which is the lower limit of the zoom ratio.
Parameter
Name | Type | Required | Description |
---|---|---|---|
ratio | number | true | The minimum zoom ratio value |
Usage
graph.setMinZoom(0.001);
graph.getMaxZoom()
Get the maxZoom
for the graph, which is the upper limit of the zoom ratio.
Parameter
No parameter.
Usage
graph.getMaxZoom();
graph.setMaxZoom(ratio)
Set the maxZoom
for the graph, which is the upper limit of the zoom ratio.
Parameter
Name | Type | Required | Description |
---|---|---|---|
ratio | number | true | The maximum zoom ratio value |
Usage
graph.setMaxZoom(1000);
graph.getWidth()
Get the current width of the graph.
Parameter
No parameter.
Usage
graph.getWidth();
graph.getHeight()
Get the current height of the graph.
Parameter
No parameter.
Usage
graph.getHeight();