Point shape report

785
7
Jump to solution
02-20-2017 04:40 AM
JohnnyJohansson
New Contributor III

I want to create a clean and simpel report and diagram with:

  • points per Hectars
  • points mean value (Topheight),
  • point per hectar and where I can see that amount of points that have (topheight) values.

Exampel:

Total points: 4000 point = 400/ha

Mean (topheight): 6 meters

400 points per/Ha, where 100 are 2meter, 200 are 3meter, and so on..

How do I do this?

Arcgis 10,4, spatial analyst, 3d analsyst.

Attached shapefile of intrest. with polygon border.

/Johnny

Tags (1)
0 Kudos
1 Solution

Accepted Solutions
JohnnyJohansson
New Contributor III

OK, to answer myself. 

First of all Abdullah Anter was right.

To do what I wanted I needed to understand how Join and Relate really works.

Then just add fields and calculate them in modelbuilder as desired.

1. Join by spatial reference

2. Statistics based on a comon field attribute ex. "ObjectID" to get them to correspond to eachother.

3. Join Field from the statistics to the polygon.

4. Then add fields an do the nesseserry calculations.

View solution in original post

7 Replies
DanPatterson_Retired
MVP Esteemed Contributor

So what have you tried so far? What form of report is needed? Are you adept at scripting?

0 Kudos
JohnnyJohansson
New Contributor III

Hi Dan.

I hvent really tryed anyting aoccessfull..

Near tool on the point with the same point to get spacing between, this is also an factor that would be intressting, but not my focus right now.

I had a quick lock at reports in the attribute tabel, but that dosent really give me what i want.

Tryed avrage nearest naighbor report, but I diddent relly figure ut what I got back in that in the report.

Scripting is'nt relly my thing, quite good at model builder..

Gonna have a lock at the links Anter. 

but to be abel to just print an paper or PDF would be the ting...

/Johnny

0 Kudos
AbdullahAnter
Regular Contributor II

Use Spatial Join Tool Spatial Join—Help | ArcGIS Desktop , to know what each point fill inside which polygon . you will get that with attached attribute.

Then Use Summary Statistics tool Summary Statistics—Help | ArcGIS Desktop  using the attached field that relate to polygon name or number.and make your statistics analysis for.

  

JohnnyJohansson
New Contributor III

Thanks Abdullah Anter.

Not really what I thought to do... But its a step atleast to find the height distrubution that does the trick. But I leave that for now.

I have points for all polygons.

I want to do thease calculations and add the results to each polygon so that you easly can use the "info" tool to get this:

Area - This is alredy in the polygon.

Sum of points within each polygon

Sum of points within each polygon / (devided) by Area

Mean value of points within each polygon

Avrage spacing of points: √10000/(Sum  of points within each polygon / (devided) by Area)

Not easy to understand how to really do this, peferly I would like to use modelbuilder so i can add this to the other analasys where i got this data from.

0 Kudos
JohnnyJohansson
New Contributor III

In this case the polygon feature only has unike field value in "OBJECTID", after  spatial join "OBJECTID_1".

0 Kudos
JohnnyJohansson
New Contributor III

OK, to answer myself. 

First of all Abdullah Anter was right.

To do what I wanted I needed to understand how Join and Relate really works.

Then just add fields and calculate them in modelbuilder as desired.

1. Join by spatial reference

2. Statistics based on a comon field attribute ex. "ObjectID" to get them to correspond to eachother.

3. Join Field from the statistics to the polygon.

4. Then add fields an do the nesseserry calculations.