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I captured influenced areas of grasslands once a week and noted different subtype features (polygons) over areas, depending on the degree of influence.
Is it possible to combine theses polygons as "one event/one polygon - even tough they are often not conjoined" for further spatial calculations - by using capturedate plus location on the same field as criterion?
Sounds good and could be the wright direction, but when i now dont missunderstood you: how can i automatically combine "influence"polygons (the blue/black/red polygons in the attachment) which have the same date AND are within one same "field"polygon (the green and yellow polygons in the attachment) ?
Independent if the influencepolygons touch each other or not. That's not importent.
so i need to join the data of every "influence"polygon with the "field"polygon where they are lying on, but in a way that the lying upon another "influence"polygons dont get the data from each other, just from the field. (sorry for my cruel english in this case..)
or is this possible with the dissolve tool/spatial join and i did something wrong?
What was the problem with the Spatial Join and Dissolve? I am certain they will work if you do it with the One-To-Many option as far as I can see. I assume the field shape has no date and that only the influence areas are dated. If that is the case it does not matter if they cut up. If you need to compare to a complete polygon's area, precalulate that into the shapes and use it for percentage comparisons with the Min summary. Anyway, the influence areas should not mix at all with the One-To-Many option.
So do it an then post pictures of the results if you still do not know how to get what you want. (Next time post shots of the tableviews of the field and influence areas and tell us what fields you need to combine from each).