4
votes
1answer
176 views

How to calculate X and Y projected coordinate in batch processing

I have more than 1000 shape files (all are point features). They were initially in WGS 84. I projected them in UTM. Then through batch processing I added X, Y fields in each table. But all the X, Y ...
2
votes
1answer
57 views

Removing last point in polygon geometry using ArcPy?

This polygon was created from a grid of 500 x 500 meters, then Union, Generalize and Dissolve was used to arrive at this geometry, the laspoint not help me, I just want to have points on each vertex. ...
1
vote
1answer
34 views

Get coordinates from polygon outline with greatest distance

I'm looking into a task in ArcGIS 10.2 of which I need to discover the two points on a polygon outline where they would be at the greatest distance from each other. I have looked at ET Geowizards ...
0
votes
2answers
36 views

Calculating Centroids with Zonal Geometry in ArcGIS

I have a shapefile containing polygons. Each polygon is defined by its postal code. I want to calculate the centroid of each polygon using Zonal Geometry. Sadly, for some polygons there are no ...
0
votes
1answer
27 views

ArcObjects - Geometry type select with Vbnet

How can I read the geometry type of shapefiles with ArcObjects and Vbnet? I want to check whether it is a point, polygon, or a line.
3
votes
2answers
56 views

ArcPy Data Access Insert Cursor not writing geometries to feature class?

I'm running ArcGIS 10.2.1 and am having troubles with the Insert Cursor in the arcpy module. I have an empty feature class in my geodatabase and have created the short script below to try and find the ...
1
vote
0answers
89 views

Invalid geometry

I'm working on some shapefiles in both ArcGIS 10.2 and QGIS 2.0. I have 3 files which I have cleaned of self intersections in ArcGIS using Repair Geometry. I have also checked for Overlaps using the ...
0
votes
1answer
92 views

using Z and M feature geometry to create line graph in Python?

I am a Python (v2.6.5) noob trying to plot a series of 3D polylines into graphs. So far I've come up with: # Import system modules import arcpy, os, sys, string from arcpy import env ...
2
votes
1answer
81 views

Radius of curvature for curves in road segments for entire road network

I have a road network shapefile for a US state and I am trying to derive the radius of curvature for road segments in this shapefile. I need to be able to perform this task within just a few functions ...
1
vote
3answers
34 views

Adding combined footage to points from the beginning of a line

I'm trying to add the footage of each point from the beginning of the line to the end. There are around 4k vertexes between the two ends that I need to put the footage from the beginning of the line ...
0
votes
1answer
22 views

How to check VALUES from different datasets spatially near with ArcGIS10

I need some suggestions, let's see: I have two heavy polyline datasets, from different sources, so they will never be coincident (it doesn't matter this issue). Both have the same field from which I ...
0
votes
0answers
58 views

Prevent self-intersecting loops when exporting polygon layer from ArcSDE to File Geodatabase?

I am using ArcGIS 10.1. The source data is housed in an ArcSDE instance that does not allow self-intersections. When I export this data to a file geodatabase and run check geometry ...
1
vote
1answer
124 views

How to split circles in 8 quadrants

I am using ArcGis 9.3 and I need to split a large number of circles in quadrants. The circles corresponde to a 200m buffer of a point layer and, for each point, I need to split the buffer in 8 ...
0
votes
0answers
40 views

Merging parcels but keeping Geometry seperate

I am working on updating a parcel layer we received for a project, and I have duplicate parcelID's for parcels and I have been merging these to create 1 parcel as to not have duplicate ID's. My ...
1
vote
1answer
60 views

Adding geometry to rows with missing X,Y inArcGIS

I have a table with X, Y data that contains many rows with still missing coordinates. Now I would like to edit it in ArcGIS 10 and simply add the geometry for selected lines after identifying the ...
0
votes
0answers
21 views

Is there a way of converting polygon vertices to points using GDAL python? [duplicate]

I have an ArcGIS standard license and I want to convert polygon vertexes to points in a script. Since I don't have a good enough ArcGIS license I've been using ET Geowizards to get the points. The ...
1
vote
0answers
98 views

Inaccurate result while clipping on gis data

I am trying clip polyline data using a polygon geometry. I am using itopologicaloperator to do this task. However, resultant clipped data is off by 1 feet. Meaning that the polylines at the boundaries ...
3
votes
2answers
208 views

How to rename points by clockwise direction or change starting point in polygon features?

I have a polygon feature class. I convert it to a point. Name of field (for example !Number!) in a point feature converted from polygon "A2"(The first point should be in the upper left corner ...
0
votes
1answer
85 views

How to automate creating box (rectangular) polygons in ArcGIS for Desktop?

Can anyone suggest a way to automate creating rectangle shaped polygons in ArcMap? If I had many 30m x 60m rectangles to digitize and I just want to click a starting corner coordinate on screen, ...
0
votes
2answers
142 views

Calculating minimum/maximum width for overlay of two polygon strips in ArcGIS or some Opensource GIS

Is there some solution for calculating minimum and maximum width for overlay of two polygon strips? When I clip these strips the result is another strip with variable width about 1 km and 20 km long. ...
0
votes
1answer
93 views

Problem of linear records with zero shape length and no geometry in attribute table

I am working with a bicycle and pedestrian facility file geodatabase in ArcMap. I noticed a some of the records in the shapefiles/feature classes have a shape length of zero in the shape length ...
4
votes
1answer
411 views

Buffer polygon inward by percentage of area [duplicate]

I would like to buffer a polygon inward by a percentage of its area, using the polygons below as an example. How could I shrink each polygon inward resulting in a 35% reduction of area? I am using ...
1
vote
1answer
57 views

ArcObjects- IBorder.GetGeometry() in Python

I am trying to get geometry of frame border trough IFrameElement.Border. I do receive IBorder object, which has .GetGeometry() method. How do I use this method to get geometry of the border? I can ...
5
votes
1answer
226 views

Can ArcPy 10.1 be used to generate true curve elliptical polygons in a file geodatabase?

As background, this question arose from trying to answer a question on How to generate overlapping polygons from lines output from Table To Ellipse tool? Using the ArcMap GUI it is very easy to ...
2
votes
3answers
325 views

Polyline selection of features with angle turns up to a specified angle

I'm looking for an automated way to select line features that have specified angle between vertexes. That in order to check water mains layer -steel pipes can have only 45 or 90 degrees turns and I ...
2
votes
1answer
398 views

How to get point x and y geometry from a shapefile?

I have a shapefile of US Cities and I want to get the X and Y coordinate of EACH city in that shapefile. I've tried this: for city in city_cursor: geom = city.Shape point = geom.getPart() ...
2
votes
1answer
714 views

How to write point geometries with arcpy instead of gp syntax?

Can someone help me fix some code that simply writes points into a featureclass? It used to work in the older gp. syntax, but I'm having difficulties rewriting it in arcpy for ArcGIS 10.0. In this ...
0
votes
0answers
73 views

Retrieving ArcGIS:s Spatial Data into a Database

Background: If you have created a vector map with lots of spatial data in geometry flat in with measurement kilometer. The following object that is used in the map will be point, line and polygon ...
0
votes
1answer
100 views

Is it possible to have measurements in centimeter and decimeter in 2D flat (geometry)?

Is it possible to have measurements in centimeter and decimeter in 2D flat (geometry) for ArcGIS?
2
votes
0answers
157 views

how to convert lat and longitude into distance near poles?

I am trying to convert latitude and longitude into meters in polar regions. I am looking for higher accuracy upto 0.00 meters preferably. I tried the haversine formula but it doesnt seem to be ...
1
vote
0answers
284 views

ArcGIS/arcpy: Geometry object comparison methods not working. Do they take z values into account?

I have an arcpy script that makes calculations based on an input PolygonZ feature class. What I need to do in several places in the script is test whether a point falls within a polygon in 2D. In ...
1
vote
0answers
238 views

Problems with Multipatches

I have some polygonal features that have minimum and maximum z values. I'm trying to calculate the difference between a fixed extruded polygons and the sum of extruded related polygons. Here's how ...
11
votes
4answers
2k views

Comparing two Digital Elevation Models (DEMs) from LAS files?

I have two Lidar las files, one is original let's say with X points. And the other is copy of the first las file but with Y points, where Y is less than X. Now, I want to compare how the Digital ...