Limit Map: Difference between revisions

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{{Stub|todo=
{{Stub|todo=
* what happens when set based on a different Item (are changes reflected or not)
* Affects all grid overlays
* Affects all grid overlays
* what about X queries of TQL for items outside limit map
* what about X queries of TQL for items outside limit map
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Limit Map is a [[Setting]] that stores the Multi Polygon that will be used to limit the calculation of [[Grid Overlay]]s.  
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.
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.
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[[File:Limited_calculation_area.jpg|thumb|Calculation limited by a Areas, enveloped by a rectangular bounding box]]
[[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]].
To adjust this setting using the [[Tygron Client]], see  [[How to calculate only a part of the Project map]].
* When updating Grid Overlays only the box is updated and the rest contains NO_DATA values.
 
* 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.




{{article end
{{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.
* 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=
|seealso=
* [[Skip_no_data_(Grid_Overlay)|SKIP_NO_DATA]]
* [[Skip_no_data_(Grid_Overlay)|SKIP_NO_DATA]]

Revision as of 09:26, 17 October 2025

This article is a stub. The following information should be added:
  • Affects all grid overlays
  • what about X queries of TQL for items outside limit map
  • Document SKIP_NO_DATA on separate appropriate page.
  • how to page for splitting up calculation

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.

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.


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

See also