Template:Compare Datasets: Difference between revisions
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===Compare Datasets=== | ===Compare Datasets=== | ||
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The ''Compare Datasets'' tool creates a new dataset that represents the difference between two specified datasets. This tool is often used to evaluate the impact of making a change in a simulation such as restricting flow to a limited floodway, or changing the roughness values. | The ''Compare Datasets'' tool creates a new dataset that represents the difference between two specified datasets. The order of operations is "Dataset 1" - "Dataset 2". This tool is often used to evaluate the impact of making a change in a simulation such as restricting flow to a limited floodway, or changing the roughness values. | ||
This tool differs from a straight difference using the dataset calculator because it does not require that the datasets be on the same geometry. If the second dataset is on a different geometry, it will be linearly interpolated to the geometry of the first dataset. The tool also assigns values to active areas of the datasets that are unique to one dataset or the other to identify these. | This tool differs from a straight difference using the dataset calculator because it does not require that the datasets be on the same geometry. If the second dataset is on a different geometry, it will be linearly interpolated to the geometry of the first dataset. The tool also assigns values to active areas of the datasets that are unique to one dataset or the other to identify these. | ||
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Latest revision as of 22:13, 9 July 2024
Compare Datasets
The Compare Datasets tool creates a new dataset that represents the difference between two specified datasets. The order of operations is "Dataset 1" - "Dataset 2". This tool is often used to evaluate the impact of making a change in a simulation such as restricting flow to a limited floodway, or changing the roughness values.
This tool differs from a straight difference using the dataset calculator because it does not require that the datasets be on the same geometry. If the second dataset is on a different geometry, it will be linearly interpolated to the geometry of the first dataset. The tool also assigns values to active areas of the datasets that are unique to one dataset or the other to identify these.
Input Parameters
- Dataset 1 – Select the first dataset to compare.
- Dataset 2 – Select the second dataset to compare. This has the same options available as Dataset 1 for dealing with inactive values.
- Inactive values option – From the drop-down menu, select the desired approach for handling inactive values in the dataset.
- "Use specified value for inactive value" – A specified value will replace inactive values.
- "Inactive values result in an inactive value" – Inactive values will be left as inactive in the comparison dataset.
- Specified value dataset 1 – Enter a value that will be used for inactive values for dataset 1.
- Specified value dataset 2 – Enter a value that will be used for inactive values for dataset 2.
Output Parameters
- Output dataset name – Enter the name of the new comparison dataset.
Current Location in toolbox
Datasets/Compare Datasets
Related Tools
