Creating HeatMap Symbol (How To)

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GMSC 2015



This tutorial shows you how to create a HeatMap symbolizer in GeoMedia Smart Client 15.

Blue.png The result will be the Default HeatMap symbolizer.


Usage of HeatMap in GeoMedia Smart Client

test To the top Pfeil new.png


1 Creating the HeatMap symbolizer in StyleEditor

test To the top Pfeil new.png

  • Click Libraries on the right hand side.
  • Select an existing library or create a new one.
  • Click Add to create a new symbology within the specified library.
  • Click From Editor if you want to create a new one. If you have already an existing one click Upload and continue at Step 2.
  • Type in a usable name and choose HeatMap out of the drop down list of Symbology type.
  • Click Load Editor.
  • Click HeatMap in the scale area.
  • The following screenshot shows you the starting point of the HeatMap symbolizer in the StyleEditor.
Heatmap overview.png
  • Details to every single possible field can be found here.
  • Enable Weighting threshold by checking the box and type in 10.
  • Change the five colors by clicking on them to:
  • Heatmap color1.png ffffb2
  • Heatmap color2.png fecc5c
  • Heatmap color3.png fd8d3c
  • Heatmap color4.png f03b20
  • Heatmap color5.png bd0026


Blue.pngIf you switch in the color picker to the tab RGB you can copy and paste the color codes from above.


Blue.pngThe colors are chosen by the help of ColorBrewer: Color Advice for Maps.


  • Click Save to apply the changes.

2 Adjustments in the Smart Client Administrator

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  • Switch to the feature list.
  • Select the desired feature for the PieChart symbolizer.
  • Check if the Type: is set to Point.
Blue.pngIf you want to use a polygon feature as a HeatMap, then you have to define a Geometry function for it.


  • Change the Interpretation: to HeatMap.
  • Switch the tab to Symbols
  • Edit the current display rule by clicking Edit.png.
  • Choose the corresponding Library and Symbology.
  • Click Save to apply the changes.
  • Assign the feature to the legend. Details can be found here.
  • Click Roles on the right hand side.
  • Select or create the role for whose the HeatMap should be used.
  • Switch the tab to Features.
  • Select a Project from the drop down list.
  • Change the Right to Visualize.
  • Check the box of your HeatMap feature.
  • Click Apply.

3 Result

test To the top Pfeil new.png

The following screenshot shows the HeatMap for the fire history of Clark County between 1910 - 2013. The same example can be viewed on our online demo.
HeatMap SmartClient result.png

Usage of HeatMap in GeoMedia Smart Client Public Maps

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The result of this addon tutorial will be a simple BaseMap (Google Terrain) with HeatMap as a live rendered overlay.

Blue.pngPrerequisite of this addon tutorial is the completion of these steps:

1 Creating the HeatMap symbolizer in StyleEditor
2 Adjustments in the Smart Client Administrator.



Adjustments in the Public Maps Administrator

test To the top Pfeil new.png

Blue.pngIf you already have a BaseMap and you want just add the HeatMap layer, continue reading after the second break in the list.


  • Switch to Public Maps by clicking Switch admin.png
  • Click New Base and then select Google
  • Type in a Name and choose the Coordinate System.
Blue.pngFor Google and Bing Maps you must have a *.csf with EPSG:3857 previously uploaded in the GeoMedia Smart Client. How to add a coordinate system can be read here.


Blue.pngIf you have already uploaded such a *.csf file it will be automatically selected in this field.


  • Change the Layer type to Terrain.
  • Click Save to apply the changes.


  • Click New Map View.
  • Define a Name and check Is default. At every start of Public Maps, this will be your starting Map View.
  • Select the above defined Base Map.
  • Select the Project from whose you will get the live features.
  • Define 9 as the Zoom level.
  • Click Project Center to get the center of your project in EPSG:3857 coordinates.
  • Click Save to apply the changes.
  • Click Map Views and select the previously defined Map View.


  • Click Add at Features in the most lower part of the form.
  • A modalform shows up and you will get the same treeview as in the legend at the GeoMedia Smart Client.
  • Expand the theme, which contains the HeatMap feature.
Blue.pngIf you don't see the feature there, you have to assign the HeatMap feature at one of the themes in your specified project.


Blue.pngIf you have more than one live feature and you want the HeatMap feature for example in the foreground, you can change the layer order by drag and drop.


  • Click Save to apply the changes.

Result

test To the top Pfeil new.png

The following screenshot shows the HeatMap for the fire history of Clark County between 1910 - 2013.

Heatmap publicmaps result.png


Blue.pngIf you want to change the opacity of the live feature, you have to edit the symbolizer in the Style Editor. In this case details can be found here.




Related Video

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Download the style

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Here you can download the default HeatMap symbolizer.

Language: English