Introduction

Demonstrate the production of point density diagrams, grade symbol diagrams, thermal diagrams, and grid diagrams.

Operation effect

Figure: Thematic Map Visualization Operation Effect

Location

Android Studio

• Product package: Product package\SampleCode\SampleCode_AndroidStudio\AndroidStudioSampleCode\themevisualization

Data

Storage location

• Product package: Product package\SampleData\ThematicMaps

Deployment Location: mobile device internal storage\SampleData\ThematicMaps

License

Offline license, copy the license file to the "mobile device internal storage\SuperMap\License" folder.

Library

jar
com.supermap.data.jar, com.supermap.mapping.jar
so
libimb2d.so, libgnustl_shared.so, libQt5Core.so, libQt5Gui.so, libQt5Svg.so, libQt5Widgets.so(Note: Starting from version 11.1, the last five so libraries need to be added.)

Key types/members

Control/Class	Method
ThemeDotDensity	setDotExpression(), setValue(), setStyle()
ThemeGraduatedSymbol	setExpression(), setBaseValue(), setGraduatedMode(), setPositiveStyle()
Layers	addHeatmap(), addGridAggregation()
LayerHeatmap	setFuzzyDegree()
LayerGridAggregation	setColorset(), setGridWidth(), setGridAggregationType()

Enum	Value
LayerGridAggregationType	HEXAGON

Basic steps

1. Swipe right to select a graduated symbol map
2. Swipe right to select a heat map
3. Swipe right to select a grid map