Urban Geological Map

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User’s guide

This page describes the various uses of the Urban Geological Map.

Select the background map

Layer Control

1. Using the mouse, move the cursor to the Layer Control Icon icon in the upper right corner of the map screen.

2. Select a background map from the layer list of maps. Currently, the following GSI Maps are available:

  • GSI Maps (English)(default setting)
  • GSI Maps (Japanese)


Display the geological map

Layer Control

1. Move the cursor to the Layer Control Icon icon in the upper right corner of the map screen.

2. Select the box for “Geological map” (the Geological map is selected by default).


Adjust the opacity of the geological map

Slide bar for opacity setting

Slide the “Opacity” bar in the upper left corner of the screen. A smaller value gives a more transparent map.


Toggle the shaded relief effect on/off

Radio button for shaded relief map

Select the radio button in the upper left corner of the screen for a “Normal” or “Shaded relief” map.


Query category values of the geological map

Popup window for category value

Click the geological map displayed on the map screen.


Display locations of borehole data

Layer Control

1. Move the cursor to the Layer Control Icon icon in the upper right corner of the map screen.

2. Check the box for “Borehole” to view the locations of borehole data, shown by solid red circles.


Query attributes of the borehole data and the display borehole logs

Popup window for attribute information

1. Click a borehole location (solid red circle).

2. Click the “View file” link on the attribute window to see the borehole logs.