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docs-2.0/nebula-explorer/canvas-operations/canvas-overview.md
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# Canvas overview | ||
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You can visually explore data on a canvas. This topic introduces the composition of a canvas and its related functions. | ||
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Canvas overview diagram: | ||
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![canvas](../figs/canvas-overview.png) | ||
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## Tabs on the Top | ||
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Click the plus sign ![canvas_tab](../figs/list-add.png) to add a new canvas. You can have operations on multiple canvases simultaneously. | ||
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![canvas_overview](../figs/canvas-graphspace.png) | ||
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- Canvas data on different canvases can come from the same graph space or from different graph spaces. | ||
- You can customize the name of a canvas except for the canvas in the left-most tab. | ||
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## Visualization modes | ||
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Graph data can be visually explored in **2D mode** and **3D mode**. For more information, [Visualization modes](visualization-mode.md). | ||
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## Data storage | ||
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Graph data on the current canvas can be stored by creating snapshots or exporting canvas data as images or CSV files. | ||
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At the top right of the page, you can: | ||
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- Click ![snapshot](../figs/graph-snapshot.png) to create a snapshot. For more information, see [Canvas snapshots](canvas-snapshot.md). | ||
- Click ![PNG](../figs/topbar-exportPNG.png) to store canvas data as images. | ||
- Click ![CSV](../figs/topbar-exportCSV.png) to store canvas data as CSV files. | ||
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## Search box | ||
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In the search box at the top left of the page, enter a VID or the property values of tags to locate target vertices. | ||
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## Layouts | ||
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Explorer provides 6 layouts to show the relationship between the data on a canvas. | ||
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| Force | Dagre | Circular | Grid | Neural Network | Radial | | ||
| -------- | ------ | ------ | ----- | -------- | ----- | | ||
| ![graphView](../figs/Thumbnail-graphView.png) | ![treeView](../figs/Thumbnail-treeView.png) | ![sphereView](../figs/Thumbnail-sphereView.png) | ![grid](../figs/Thumbnail-Grid.png) | ![neural](../figs/Thumbnail-neuralNetwork.png) | ![radial](../figs/Thumbnail-Radial.png) | | ||
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![layouts](../figs/layout.gif) | ||
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## Minimap | ||
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You can display the vertices on a canvas on full screen. You can also collapse the minimap, zoom in or zoom out the canvass, etc. The percentage of a canvas graph to the total is displayed in the lower-left corner of the minimap. | ||
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![](../figs/thumbnail.png) | ||
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## Data overview | ||
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On the right side of the page, click ![list-left](../figs/list-left.png) to expand the data overview panel. | ||
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![dataView](../figs/dataview.png) | ||
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On the data overview panel, you are enabled to: | ||
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- See the number of tags and edge types, and the number of the corresponding vertices and edges on a canvas. | ||
- Click the tag color icon to customize the color, size, and icon of the vertices with the same tag. | ||
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!!! note | ||
Vertices with the same tag have the same color. Right-click on a single vertex on a canvas to manually modify the style of the vertex. |
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