Tagged Questions

3
votes
1answer
25 views

create grid cells of fixed dimension around a point acting as a centroid

I've been trying to solve a problem for the last few days but not having much luck. I'm hoping someone here can point me in the right direction. I'm new to ArcGIS so I hope my explanation makes ...
0
votes
1answer
15 views

Converting Points to Lines in ArcGIS AND retaining attributes of both start and end points

I have been searching and searching and I can't find a particular solution to what I need. I have a table with animal location points. I need to calculate movement distances between points from the ...
0
votes
2answers
47 views

Creating a 3D line feature based on 3D point features

In ArcGIS, is it possible to create a 3D line feature by drawing a line that connects 3D point features?
2
votes
2answers
64 views

How can I disperse points within polygons using ArcGIS?

I have huge number of points. These points are within polygons. I want to disperse the points in the polygons randomly. I tried to use the disperse point extension in Arcview, but it was not useful ...
0
votes
0answers
72 views

How to insert vertex in polyline layer where we have a point in a point layer

I have a polyline layer and a point layer. Some of the points are on the polylines, but the polylines do not have vertex in these points. How can i insert vertex there ?
0
votes
0answers
20 views

How to export Dispers Markers result?

I have many points in same x,y . i'd like to show , select by attribute and location . The result of disperse markres is a representation . It just show points and not save all of them in desired ...
3
votes
0answers
149 views

How to Batch Change X, Y Coordinate Number in ArcGIS?

I have a huge number of points (100000 points). Some of these have the same x,y coordinates. For example, 50 points are same in x,y then 100 points are same in another x,y coordinates and so on. ...
3
votes
1answer
327 views

Creating Isolines from point Data

I'm quite new with ArcGis 10 so I’m having difficulties with something that may be simple to some. Anyway I have a list of bores that I’ve plotted using coordinates. Now I need to draw a single ...
4
votes
4answers
473 views

How to represent several points with same coordinates on map?

I'm working on Arcgis 10. I have a point shapefile representing events with several points having coinciding coordinates (They have the same coordinates). For representing them in a dynamic way, I ...
5
votes
3answers
227 views

Is there a tool to add “noise” to overlapping X, Y coordinates so they are no longer in the EXACT same place?

I have a series of points representing animal observations. Many of them overlap, having the exact same coordinates, and this is causing me trouble when I want to run some analytical tools which ...
1
vote
1answer
383 views

create buffer around locator-derived point

I am trying to create a buffer around a point derived from a locator search, using this example: http://help.arcgis.com/en/webapi/javascript/arcgis/help/jssamples_start.htm ..but I am getting no ...
3
votes
2answers
803 views

ArcGIS 10: How to clip point buffer to features in another layer?

I'm on a steep learnig curve here, so aplogies if my question is a one-banana problem. In ArcGIS 10 I have a contour layer that was generated from an ESR ASCII raster file (batyhmetry of the South ...
3
votes
1answer
185 views

Estimating cline width at multiple points along a trait gradient

In the map below I have 66 (green) points along the midpoint (0.5) for an allele frequency cline across the region (see map). I created the points by placing a point every 25 km along the 0.5 allele ...
2
votes
1answer
225 views

How to move a Point perpendicular from nearest Line?

I want to move Point perpendicular from nearest line or polygon, and the question is how to do that? example, I have points (house number) near roadbed, and I don't want them to intersect roadbed ...
3
votes
2answers
229 views

Housenumber(point) angle from line (street)

using arcgis 10 with Point data (Housenumber without angle attribute) and line data (street without angle attribute) I want to create housenumber labels from point with correct angle from nearest ...
1
vote
0answers
212 views

ArcGIS10 Split Line at Point Failing due to Dataset size

Im having an Issue with my Split Line at Point tool. Seems to run if lucky for 700 entries before arcmap/arccatalog falls over. Debugging of the errorlog has produced nothing. The total size of the ...
1
vote
0answers
258 views

Error creating IPoint (ArcGIS 10) - Invalid use of New keyword (VBA)

I have some code I wrote in 9.3 that (mostly) works in version 10. I have a UIToolControl that buffers a user-input point based on a mouse click - nearly identical to the sample. This used to work ...
1
vote
2answers
1k views

How to create a graphic point by xy value?

I have implemented this code to create point event layer by xy text file, however I'm wondering how to create a point graphic by xy value? This script draws point graphic by mouse down. When I ...
5
votes
2answers
578 views

Creating a line (closest vertex to line)

I am working in reorganising our utilities data. Only since two years ago, we have started collecting Water Private Service line. We still have a lot of them to extract from old Record Drawing. ...
2
votes
2answers
2k views

How to automate point-in-polygon queries in ArcView?

Layer1 = point shapefile (multiple points, geocoded) Layer2 = polygon (1 attribute; (1,2,3...)) I want a non-gis person to be able input a single address and be told the attribute of the polygon ...
5
votes
3answers
896 views

Easily find centre point of a raster in ArcMap 10 document?

If I have, say, a rectangular and georeferenced raster file loaded in an ArcMap 10 document (.tiff w/ associated tfw), how do I easily find its centre point and store that point in a points vector ...
2
votes
1answer
416 views

What are nodes in ArcGIS and how do you create them?

I want to create a elevation profile of a cross section so a polyline on ArcGIS. I wanted to regularly space around 1000 points per 1700m long xsection and extract elevation data for each node/point ...
9
votes
3answers
2k views

What is quickest way to select polygon by point in ArcGIS 10 using ArcPy?

I keep thinking that I must be missing something, but there does not seem to be a tool in ArcGIS 10 to select features (in particular polygons) from a layer at a point (X,Y) location via ArcPy. The ...
4
votes
4answers
906 views

How to determine a point lays within a polyline in arc engine?

I recently asked a similiar question on this, however I needed to know if there is a way to solve this if I only have a IPolyline Feature, and not the whole layer. I want to know if I can determine ...
4
votes
2answers
391 views

Does anyone know a function to determine if a Point lies on a polyline?

ArcEngine 10 .Net 4 c# Hi I'm currently allowing user to select a point on a polyline and creating a point on the line. I am using snapping tool. I just want to make sure that when the user clicks ...
7
votes
8answers
10k views

In arcgis 10 how can I turn a csv file into a point shape file using lat/long data within the csv?

Greetings everyone! I have a csv file that is 133mb in size and has over 1.3 million lines of data. Each line of data has its own lat/long and I was wondering what would be the best way to display ...
2
votes
2answers
595 views

script to create points in interval 0.125 decimal degree

Hi: i have a polygon shapefile . i want to create points in interval 0.125 decimal degree in this polygon . how can i create a script with python in arcGIS 10 to automate process of create points ? ...
2
votes
3answers
3k views

Change number of decimal digits for features in ArcGIS 10?

I am editing vertices in polygons and points in ArcMap 10, and realised that they only hold 3 decimal digits for the X, Y coordinates, but I would like at least 6 decimal digits. Even if I type in ...
1
vote
2answers
524 views

Error adding buffer to polyline in ArcMap 10

As the next step to what I did in this previous question, I would like to add a buffer to a polyline, with 5 meters on either side. I tried adding buffer to two versions of the line, one in ...