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Question

Found complementary polygons


arsouzaesilva
Participant

Hi,

 

I have two polygons dataset. I would like to find the differents polygons between them. In other words, which polygons have in dataset A that do not have in dataset B. In opposite too. I used spatialrelator and PointOnAreaOverlayer already, but no success. Attached follow my datasets.

 

Thank´s

4 replies

nielsgerrits
VIP
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One way to do this is by using the ChangeDetector.


arsouzaesilva
Participant
nielsgerrits wrote:

One way to do this is by using the ChangeDetector.

Have you some example please?

 

I need to analyse the geometry mainly! No have attributes in these datasets. Thank´s


nielsgerrits
VIP
Forum|alt.badge.img+54
arsouzaesilva wrote:

Have you some example please?

 

I need to analyse the geometry mainly! No have attributes in these datasets. Thank´s

Sure. I reprojected the data to a projected system in meters, so the ChangeDetector's Vector Tolerance could be set to a realistic value.

 

ChangeDetectorSampleChangeDetectorSampleResult


arsouzaesilva
Participant
arsouzaesilva wrote:

Have you some example please?

 

I need to analyse the geometry mainly! No have attributes in these datasets. Thank´s

Good, but no sucessful. In INSERT (TARNAT) have polygons equals the ABIGOBAL. look below:

 

1 

2 

the polygons do not complement each other but fall on top of each other, in a few cases they complement each other. Thank´s


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