What Is DLV?

Data Lake Visualization (DLV) is a one-stop data visualization platform that adapts to various data sources in the cloud or on-premises. By dragging and dropping 2D and 3D visual components on DLV, you can quickly customize and create a data screen of your own.

Edition Specifications

DLV provides three editions: Basic, Advanced, and Professional. For details about edition specifications, see Table 1.

**Table 1** Edition specifications
Function	Description	Professional
Workspaces	Number of workspaces that can be created	20
Publish & Share	Public without restrictions (The access URL of a screen is accessible without restrictions.)	√
	Publish with passwords	√
	Publish with tokens	√
Scenario Template	Security Situation Awareness, Energy and Chemical Industry Management, and Real-Time Monitoring of Cloud Computing-Driven Industrial Internet	√
Scenario Template	Other templates (continuously updated): Sales Cockpit, Smart Tourism, Medical Consumables, Order Monitoring, Galaxy Data Monitoring, Data Monitoring Platform, and Education Digitalization Distribution, Big Data Platform for Transportation Industry, and Data Center Cloud Monitoring	√
Templates	Number of available templates	All templates are available.
Max. Number of Screens	Maximum number of screens	50
Data Source Type	RDS for MySQL, RDS for GaussDB, MySQL, CSV, and static JSON	√
	RDS for PostgreSQL, RDS for SQL Server, GaussDB(DWS), OBS, MapReduce Service (MRS) Hive, MRS SparkSQL, API, HUAWEI CLOUD APIG, and DAYU.	√
	MRS ClickHouse, PostgreSQL, Oracle, SQL Server, GaussDB(for Influx), CSS Elasticsearch, and Elasticsearch	√
Chart	Basic chart components: Line, bar, pie, percentage, radar, scatter, bubble, region ranking, combination, horizontal bar, dual-Y axis line, dual-Y axis combination, radial bar, horizontal capsule bar, scanning radar, image video, carousel, title, text, word cloud, timer, carousel table, ticker board, marquee, carousel list bar, key-value table, relationship network, border, decoration, custom background, time selector, WT bar, WT line, WT horizontal bar, WT radar, WT scatter, WT combination, WT dual-Y line, and WT dual-Y combination Basic 2D map subcomponents: Flying line, drilldown, heatmap layer, and hover text World map subcomponents: Flying line and heatmap layer	√
	Advanced chart components: Liquid, horizontal stacked bar, WT horizontal stacked bar, rose, horizontal bi-directional bar, heatmap, step, FLV video stream player, rectangle tree, gauge, and funnel Basic 2D map subcomponents: Scatter, advanced scatter layer, and carousel video World map subcomponents: Scatter and advanced scatter layer	√
	Professional chart components: WT line waterfall, sunburst, radial tree, Sankey, arc in polar coordinates, arc, tree, progress, bar heatmap, and RTMP video stream player	√
Map Component	3D map component: globe, globe (advanced)	√
Interaction Support	Callback variables	√
	Callback custom variables	√
	Basic interaction components: full screen, iFrame, search, timeline, tab list, and geographical search	√
	Advanced interaction components: tab, check box, multi-option drop-down list, and vertical timeline	√
Permission	Top, bottom, up, down, copy, delete, alignment, and layout	√
Permission	Lock/unlock, hide/display, and rename	√
Auxiliary Function	Rulers and auxiliary lines	√