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geoscene3d:project_content:datasets:chem5_dataset [2020/02/12 16:14] – created rebecca130301_gmail.comgeoscene3d:project_content:datasets:chem5_dataset [2020/03/22 18:07] (current) – external edit 127.0.0.1
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 ====== Chem5 Dataset ====== ====== Chem5 Dataset ======
  
-A Chem5 Dataset is a specialized  [[Tabular Dataset|]] +A Chem5 Dataset is a specialized [[:geoscene3d:project_content:datasets:tabular_dataset|]] containing columnar water chemistry data. A Chem5 Dataset may contain analysis of a single chemical parameter in multiple samples over a period of time. Each row in the dataset represents one analysis in time for one parameter from one screen.
- containing columnar water chemistry data. A Chem5 Dataset may contain analysis of a single chemical parameter in multiple samples over a period of time. Each row in the dataset represents one analysis in time for one parameter from one screen.+
  
-The dataset is defined with a query that consists of a rectangular extent, settings for time period and chemical parameter. Chem5 Datasets are used in the  [[Chem5 Water Chemistry Object|]].+The dataset is defined with a query that consists of a rectangular extent, settings for time period and chemical parameter. Chem5 Datasets are used in the [[:geoscene3d:project_content:objects:chem5_water_chemistry_object|]].
  
-==== +==== Source Types ====
-Source Types   ====+
  
-[[Access Database Source|]] +[[:geoscene3d:project_content:sources:access_database_source|]] in [[:geoscene3d:project_content:dataformats:chem5_database_format|]].
- in  [[Chem5 Database Format|]].+
  
-==== +==== Configuration ====
-Configuration  ====+
  
-__ +__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: __ +
-Defines a rectangular area where data are extracted from the source.+
  
-__ +__Limit Time Period:__ Limits the dataset to contain analysis within a specified time period. If not checked all samples in the database i included.\\ 
-Limit Time Period: __ +__Begin Data:__ Starting data in the time period.\\ 
-Limits the dataset to contain analysis within a specified time period. If not checked all samples in the database i included. \\ +__End Data:__ Ending date in the time period.
-__Begin Data:__ +
-Starting data in the time period. \\ +
-__End Data:__ +
-Ending date in the time period.+
  
-__ +__Parameter:__ Selects the chemical parameter for the time period. The list contains only parameters that have been analyzed within the extent.\\ 
-Parameter: __ +__Update List From Extent:__ Refreshes the parameters list from extent selected above.
-Selects the chemical parameter for the time period. The list contains only parameters that have been analyzed within the extent. \\ +
-__ +
-Update List From Extent: __ +
-Refreshes the parameters list from extent selected above.+
  
-__ +__Additional "WHERE" conditions (optional):__ The dataset may be refined further using SQL. This is an advanced option that can be used for users that has an in depth knowledge of the [[:geoscene3d:project_content:dataformats:chem5_database_format|]].
-Additional "WHERE" conditions (optional): __ +
-The dataset may be refined further using SQL. This is an advanced option that can be used for users that has an in depth knowledge of the  [[Chem5 Database Format|]].+
  
  

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