Linked Questions

1
vote
0answers
19 views

Automatically digitize polygons by most outlying points within cluster in ArcMap [duplicate]

I'm looking for a tool or script that will allow me to automate the digitization of polygons by the most outlying points in a cluster of points with the same key attribute. Below is a sample image ...
18
votes
6answers
27k views

Finding boundary co-ordinates from given set of point co-ordinates?

Given a set of coordinates, How do we find the boundary coordinates. <== Figure 1 Given the coordinates in the above set, How can I get the coordinates on the red boundary. Boundary is the polygon ...
11
votes
5answers
25k views

Creating polygons around extent of similar points using ArcGIS Desktop?

I've millions of points collected for lithology layer. They have used a coding for different types of rocks. I need to create a polygon around the extent of similar points. What is the easiest ...
3
votes
2answers
41k views

ArcGIS: Create polygon using file containing point coordinates

I have a text file containing the projected coordinates of the points that define a single polygon. The X, Y coordinates are separated by Tab Is there a tool in ArcGIS similar to "Add X,Y Data" in ...
0
votes
1answer
3k views

Drawing outline of points in ArcGIS for Desktop [closed]

Simple question, can Arc take a shapefile of points, calculate which ones are at the "edges" and draw a polygon or polyline around it. I know there are masks and bounding geometry and all of that, but ...
3
votes
1answer
488 views

Dynamically drawing a polygon around another shapefile, ArcGIS 10.2

Let's say I have a vegetation raster that indicates the density of forest all over the world. I also have a shapefile that contains the admin boundaries of each country in the world. The easy part is ...
1
vote
1answer
120 views

Location Allocation (lines) to Polygon map?

I have a solved "Location-Allocation" Analysis, providing a map result like this. What methods do I have, to help transform this into a segmented polygon areas? Current doing it by hand, but have ...
1
vote
1answer
96 views

Extract polygon from stream line

I would like to delineate the polygon of a basin from an already delineated stream work. In the example, I want to extract an approximate polygon from the selected stream network in yellow without ...
3
votes
1answer
116 views

Extracting points bordering shape extent

I'm using ArcGIS 9.31. I have a set of points as elevation and in order to get a soft clip area for the TIN, I would like to extract only all the points bordering the extent of this shape, or to get ...
0
votes
1answer
110 views

Removing triangles that fall into the concave but exterior part of polygons in ArcGIS Desktop?

I have created a TIN for all the polygons in a block and then converted it to a feature layer in order to be able to delete the triangles that fall in the polygons. Now I want to remove triangles that ...
0
votes
2answers
76 views

Point to Polygon

I am a city planner doing a GIS parcel layer update for our City's GIS system. I have uploaded our data from Microsoft Excel into ArcMap as a point file. I need to get it into a polygon file and I am ...