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geoscene3d:project_content:datasets:grid_dataset [2020/02/12 15:45] – created rebecca130301_gmail.comgeoscene3d:project_content:datasets:grid_dataset [2020/03/22 17:15] (current) – external edit 127.0.0.1
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 A Grid Dataset represents a section of a 2D Grid. A 2D grid consists of regularly spaced rows and columns of numeric values. Usually the value is an elevation. A Grid Dataset represents a section of a 2D Grid. A 2D grid consists of regularly spaced rows and columns of numeric values. Usually the value is an elevation.
  
-__ +__Fixed Extent:__ By default the dataset extent is identical to the current scene extent. However, this option makes it is possible to fix the extent to any area.
-Fixed Extent: __ +
-By default the dataset extent is identical to the current scene extent. However, this option makes it is possible to fix the extent to any area.+
  
-__ +__Extent:__ Defines a rectangular area where data are extracted from the source. 
-Extent: __ +==== File source ====
-Defines a rectangular area where data are extracted from the source.+
  
-==== +Grids datasets read directly from a [[:geoscene3d:project_content:sources:file_source|]] do not require any configuration. Supported file formats include:
-File source  ====+
  
-Grids datasets read directly from a  [[File Source|]] +[[:geoscene3d:project_content:dataformats:surfer_grid_file_format|]]\\ 
- do not require any configuration. Supported file formats include:+[[:geoscene3d:project_content:dataformats:arcinfo_ascii_grid_file_format|]]\\ 
 +[[:geoscene3d:project_content:dataformats:vertical_mapper_grid_file_format|]]
  
-[[Surfer Grid File Format|]]\\ +==== Access Database Source ====
-[[ArcInfo ASCII Grid File Format|]]\\ +
-[[Vertical Mapper Grid File Format|]]+
  
-==== +A single grid from an [[:geoscene3d:project_content:sources:access_database_source|]] in [[:geoscene3d:project_content:dataformats:model_database_format|Model Database]] format. When this source type is used the following configuration is required.
-Access Database Source  ====+
  
-A single grid from an  [[Access Database Source|]] +__Model ID:__ ID for the model\\ 
- in  [[Model Database|]] +__Grid ID:__ ID for the grid within the model with ModelID\\ 
- format. When this source type is used the following configuration is required.+__Band Number:__ Band number for the grid selected with grid ID. Note: Each grid may contain multiple bands (or layers). Each of these bands can be used as a grid dataset. 
 +==== DHI File Source (dfs) ====
  
-__ +A single grid time step from a [[:geoscene3d:project_content:sources:dhi_file_source_dfs|]]. Files may be dfs2 or dfs3 that are both sub types of the [[:geoscene3d:project_content:dataformats:dhi_file_system_format|DHI File System]] format. The dataset is configured to point to one of the time steps in the file. For dfs3 files a layer must also be selected.
-Model ID: __ +
-ID for the model \\ +
-__Grid ID:__ +
-ID for the grid within the model with ModelID \\ +
-__Band Number:__ +
-Band number for the grid selected with grid ID. Note: Each grid may contain multiple bands (or layers). Each of these bands can be used as a grid dataset. +
- +
-==== +
-DHI File Source (dfs)  ==== +
- +
-A single grid time step from a  [[DHI File Source (dfs)|]]. Files may be dfs2 or dfs3 that are both sub types of the  [[DHI File System|]] +
- format. The dataset is configured to point to one of the time steps in the file. For dfs3 files a layer must also be selected.+
  
 The top portion of the configuration dialog shows the number of time steps in the file and the time period covered in the file. The top portion of the configuration dialog shows the number of time steps in the file and the time period covered in the file.
  
-__ +__Step Index:__ The index of the grid time step in the file (first index is 0).\\ 
-Step Index: __ +__Date:__ Date for the time step. Note: setting the date is just another way of selecting the time step.\\ 
-The index of the grid time step in the file (first index is 0). \\ +__Time:__ Time for the time step. Note: setting the time is just another way of selecting the time step.\\ 
-__Date:__ +__Item:__ Selects the dfs file item.\\ 
-Date for the time step. Note: setting the date is just another way of selecting the time step. \\ +__Layer:__ Selects the layer index in the item (first layer is 1). Layer is selected in dfs3 files only. 
-__Time:__ +==== CSV File Source ====
-Time for the time step.  Note: setting the time is just another way of selecting the time step. \\ +
-__Item:__ +
-Selects the dfs file item. \\ +
-__Layer:__ +
-Selects the layer index in the item (first layer is 1). Layer is selected in dfs3 files only.+
  
-==== +A single grid file ( [[:geoscene3d:project_content:dataformats:surfer_grid_file_format|Surfer Grid Files]] or [[:geoscene3d:project_content:dataformats:arcinfo_ascii_grid_file_format|ArcInfo ASCII Grid Files]] ) from a Grid Time Series where the source is a group of grid files. See [[:geoscene3d:project_content:datasets:grid_time_series_dataset|]].
-CSV File Source  ==== +
- +
-A single grid file ( [[Surfer Grid Files|]] +
- or  [[ArcInfo ASCII Grid Files|]] +
-) from a Grid Time Series where the source is a group of grid files. See  [[Grid Time Series Dataset|]].+
  
 The top portion of the configuration dialog shows the number of time steps in the file and the time period covered in the file. The top portion of the configuration dialog shows the number of time steps in the file and the time period covered in the file.
  
-__ +__Step Index:__ The index of the grid time step in the file (first index is 0).\\ 
-Step Index: __ +__Date:__ Date for the time step. Note: setting the date is just another way of selecting the time step.\\ 
-The index of the grid time step in the file (first index is 0). \\ +__Time:__ Time for the timestep. Note: setting the time is just another way of selecting the time step. 
-__Date:__ +==== GeoCloud Source ====
-Date for the time step. Note: setting the date is just another way of selecting the time step. \\ +
-__Time:__ +
-Time for the timestep.  Note: setting the time is just another way of selecting the time step. +
- +
-==== +
-GeoCloud Source  ====+
  
-A single grid from a  [[GeoCloud Source|]]. The grid is extracted from the GeoCloud service via the internet.+A single grid from a [[:geoscene3d:project_content:sources:geocloud_source:geocloud_source|]]. The grid is extracted from the GeoCloud service via the internet.
  
  

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