====== Visualization of Map Layers ======

This tutorial shows how to visualize layers at different elevations//.//

__**Requirements**__

   * A project with layers.

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==== Step 1. Change layer colors ====

1. See [[:geoscene3d:add_map_data:layersinmapwindows|]]

  * In the Object Manager you can change the colors of the predefined layers.

2. Object Manager <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  rightclick "Layer1" <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  Object Properties <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  Material <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  Color….

{{:geoscene3d:add_map_data:layer_color.png?nolink&}}

3. Repeat step 1.2. to change color for all layers. Open a profile to see the immediate response to the changes. See picture below for color changes.

{{:geoscene3d:add_map_data:layer2_color.png?nolink&}}


==== Step 2. Visualize layer model on the map to a certain elevation ====

  * To gain insight of where the different layers are distributed on the map all the layers need to be imported to the map.

1. Add new map layer {{:geoscene3d:add_map_data:icon_addnewlayer.png?nolink&}} <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  "GeoScene3D Object Based" <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  "Layers (Layer Group)" <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  next and finish.

  * See picture below.

{{:geoscene3d:add_map_data:layersonmap.png}}

  * When the layer properties are open all layers can be visualized to a specific elevation/depth.

2. "Map properties and layer manager" {{:geoscene3d:add_map_data:icon_mappropertieslayermanager.png?nolink&}} <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  rightclick "Layers" <font 11pt color font-weight: inherit; background-color; color: inherit; background-color: inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit background-color: inherit >→</font>  "Layer Properties".

{{:geoscene3d:add_map_data:layermodel_editor.png}}

  * The default setting in the "Layer Model Editor" to the left is the "Elev. Step Interval: 10,00000" that correlates to a jump up/down with 10 meters.
  * The default setting in the "Layer Model Editor" to the right is the "Elevation Value: 0,000000" that correlates to the initial position of the map view.

3. Increase "Elevation Value" seven times to visualize layers 70 meters above sea level (0 meters).

  * Only the top layer "Layer1" is visible to this elvation in different areas on the map.

{{:geoscene3d:add_map_data:layermodel_editor2.png?nolink&}}

4. Decrease the elevation value to 40 meters above sea level to have visualization of the next layer "Layer2".

{{:geoscene3d:add_map_data:layermodel_editor3.png}}

  * Further decrease of the elevation value to -40 meters under sea level show initial greater exposure of the next layer "Layer3" but also presence of the two other layers.

{{:geoscene3d:add_map_data:layermodel_editor22.png?nolink&}}

  * To greater depths at -140 meters "Layer3" is dominant.

{{:geoscene3d:add_map_data:layermodel_editor4.png?nolink&}}

==== Step 3. Visualize layer model to a specific depth below a layer ====

1. Repeat step 2.2. and click "Grid Slice (e.g. Terrain)"

  * This step is identical for "Elevation Slice" with jumps up/down in the layers.
  * The only difference is that a specific layer boundary has been chosen from where the jumps happens. The underlying map show the terrain as reference surface.

{{:geoscene3d:add_map_data:gridslice00.png?nolink&}}

  * "Offset in Depth" has been clicked three times with a "depth step interval" on 10 and the "offset in depth" is now 30 meters.

{{:geoscene3d:add_map_data:gridslice30.png}}