Map layers in Tableau - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add a map layer showing state boundaries.

Tableau

MapLayers.AddLayer([1])

Drag options to blanks, or click blank then click option'

AStateBoundaries

BCityPoints

CCountryBorders

DPopulationHeatmap

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing a layer that shows cities instead of states.

Using a heatmap layer instead of boundary lines.

The StateBoundaries layer adds the outlines of states on the map.

2fill in blank

medium

Complete the code to set the map layer opacity to 50%.

Tableau

MapLayers.SetOpacity([1])

Drag options to blanks, or click blank then click option'

A0.5

B1.0

C0.75

D0.25

Attempts:

3 left

💡 Hint

Common Mistakes

Using 50 instead of 0.5 for opacity.

Choosing full opacity (1.0) instead of 50%.

Opacity values range from 0 (transparent) to 1 (opaque). 0.5 means 50% opacity.

3fill in blank

hard

Fix the error in the code to add a heatmap layer.

Tableau

MapLayers.AddLayer([1])

Drag options to blanks, or click blank then click option'

AHeatMapLayer

BHeatmap

CHeatmapLayer

DHeatmap_Layer

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect casing like HeatMapLayer.

Adding underscores in the layer name.

The correct layer name is HeatmapLayer with exact casing and no underscores.

4fill in blank

hard

Fill both blanks to create a map layer with circle markers and set its color to blue.

Tableau

layer = MapLayers.CreateLayer([1])
layer.SetColor([2])

Drag options to blanks, or click blank then click option'

ACircleMarkers

BBlue

CRed

DSquareMarkers

Attempts:

3 left

💡 Hint

Common Mistakes

Using square markers instead of circles.

Setting the color to red instead of blue.

CircleMarkers creates circle points on the map, and Blue sets their color.

5fill in blank

hard

Fill all three blanks to add a polygon layer, set its fill color to green, and set opacity to 0.3.

Tableau

polyLayer = MapLayers.AddLayer([1])
polyLayer.SetFillColor([2])
polyLayer.SetOpacity([3])

Drag options to blanks, or click blank then click option'

APolygonLayer

BGreen

C0.3

DBlue

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong layer type like CircleMarkers.

Setting opacity to 1 instead of 0.3.

Choosing blue instead of green for fill color.

PolygonLayer adds polygon shapes, Green sets fill color, and 0.3 sets 30% opacity.