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Tue, 30 Nov 1999 00:11:00 EST

Excellent. thanks very much.

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Tue, 30 Nov 1999 00:11:00 EST

1. Enable the create blobs array in the blob_filter module. That will create a variable that contains all the COG's of all the remaining blobs in the image.
2. Use the Calculate_Distance module and select the first 4 blob array entries (which are assumed to be object1 and object2's cogs).
3. Display the results stored in my_distance

Note that you can also use the VBScript module to create the variable from the following euclidean distance formula.

blobs = getArrayVariable("BLOBS")

... check that blobs is an array and has at least 4 values and then

dx = blobs(0) - blobs(2)
dy = blobs(1) - blobs(3)
my_distance = sqrt((dx*dx)+(dy*dy))

which should get you the same results at the Calculate_Distance module.

See attached robofile.

STeven.

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Tue, 30 Nov 1999 00:11:00 EST

I would also appreciate this information

Calculating distance

Tue, 30 Nov 1999 00:11:00 EST

Hello,

Was wondering what is the best module to be used in order to calculate the distance from the triangle to the ball.

Thank in advance.

RoboRealm Forum

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Calculating distance