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Conociendo ArcGIS Pro 2.6 3ª ed. - Error en el Ejercicio 3d

JeffreySchmidt1

Hola, <\/P>

En Conociendo ArcGIS Pro 2.6, Ejercicio 3D > Unir Datos Espacialmente, realizas una unión espacial. El nombre de salida en el paso 3 es diferente al de la figura en el paso 4. El nombre del paso 8 tampoco coincide. Esta es la primera vez que alguien aprende a hacer una unión espacial en este libro. Es un escenario complicado y uno que se usa ampliamente en GIS. Esperaba una mejor descripción y un mejor diagrama de lo que está ocurriendo. Espero que esto sea revisado y corregido. Estoy usando la edición Amazon Kindle de este libro. <\/P>

Gracias por revisar.<\/P>

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Accepted answers

Craig Carpenter

Hi Jeremy,

Thanks for bringing this issue to our attention.

The output feature class name should be, “c2010_SpatialJoin”

The operation should use “Contains”

You make a good point that understanding join operations is a fundamental concept and I’ll make a note to include more background on this in the next edition, so it is as clear as possible.

I’ll send you a code for an updated e-book once we make these changes.

Thanks,

Craig

All comments

JeffreySchmidt1

I am further confused by the fact that in knox county we previously calculated 4 food deserts... LILAtracts sum up to 4. Population sums to 13,926. When applying the spatial join, using intersect, as described, we label knox county and the book image shows 6 for knox county. Makes sense as intersect will probably take anything that touches the boundary. But is it appropriate for this analysis and does the reader understand these differences? Population gets skewed quite a bit by this method. "Contains" provides the same values as the relate component of the exercise. I dont understand why 6 is the "correct" answer? Help!

Craig Carpenter

Hi Jeremy,

Thanks for bringing this issue to our attention.

The output feature class name should be, “c2010_SpatialJoin”

The operation should use “Contains”

You make a good point that understanding join operations is a fundamental concept and I’ll make a note to include more background on this in the next edition, so it is as clear as possible.

I’ll send you a code for an updated e-book once we make these changes.

Thanks,

Craig

Florian

Hello Craig_Carpenter,

Was the change made regarding the join operations?

Could it be possible to have a copy of the updated e-book?

Thanks

Craig Carpenter

Yep, it should be updated, but I recommend the newer edition Getting to Know ArcGIS Pro 2.8.

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