Limit Map: Difference between revisions
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Created page with "When this setting is active the grid and TQL Queries are limited to a portion of the map. Limit map is always a rectangle bounding box shape. * When updating Grid Overlays only the box is updated and the rest contains NO_DATA values. * Adding SKIP_NO_DATA=1 as an attribute to the Overlay, keeps the orginal values in place. Note: This method allows for calculation larger then the GPU grid would allow by splitting the map up in Limit map boxes." |
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Limit Map is a [[Setting]] that stores the Multi Polygon that will be used to limit the calculation of active [[Grid Overlay]]s. | |||
When this setting is configured with a non-empty Multi Polygon, the grid and TQL Queries are limited to a portion of the map. Limit map is always a rectangle bounding box of the Multi Polygon of the setting. | |||
[[File:Limited_calculation_area.jpg|thumb|Calculation limited by a Areas, enveloped by a rectangular bounding box]] | |||
To adjust this setting using the [[Tygron Client]], see [[How to calculate only a part of the Project map]]. | |||
{{article end | |||
|notes=*Only active Grid Overlays are affected by this setting | |||
* When updating Grid Overlays only the box is updated and the rest contains NO_DATA values. | * When updating Grid Overlays only the box is updated and the rest contains NO_DATA values. | ||
* Adding SKIP_NO_DATA=1 as an attribute to | * Adding [[Skip_no_data_(Grid_Overlay)|SKIP_NO_DATA]]=1 as an attribute to any [[Grid Overlay]], keeps the orginal values in place. Note: This method allows for calculation larger then the GPU grid would allow by splitting the map up in Limit map boxes. | ||
|seealso= | |||
* [[Skip_no_data_(Grid_Overlay)|SKIP_NO_DATA]] | |||
* [[Calculation panel]] | |||
|howtos= | |||
* [[How to calculate only a part of the Project map]] | |||
* [[How to combine multiple calculations into a single result]] | |||
* [[How to use a limit map in a Scenario]] | |||
}} | |||
Latest revision as of 09:27, 17 October 2025
Limit Map is a Setting that stores the Multi Polygon that will be used to limit the calculation of active Grid Overlays.
When this setting is configured with a non-empty Multi Polygon, the grid and TQL Queries are limited to a portion of the map. Limit map is always a rectangle bounding box of the Multi Polygon of the setting.
To adjust this setting using the Tygron Client, see How to calculate only a part of the Project map.
Notes
- Only active Grid Overlays are affected by this setting
- When updating Grid Overlays only the box is updated and the rest contains NO_DATA values.
- Adding SKIP_NO_DATA=1 as an attribute to any Grid Overlay, keeps the orginal values in place. Note: This method allows for calculation larger then the GPU grid would allow by splitting the map up in Limit map boxes.
How-to's
- How to calculate only a part of the Project map
- How to combine multiple calculations into a single result
- How to use a limit map in a Scenario