0
votes
1answer
22 views

Saving the GUID in arcgis?

In my database of points with lat and long. After clipping the data to get only the ones in the specific state, my ID column that I had before disappeared. How can I clip my data and still keep the ...
0
votes
1answer
10 views

OSM, Query for POIs in a building

How can I construct a query (for example for Overpass) for getting all buildings where inside the building is a node (for example a shop)? L.
0
votes
0answers
33 views

Python comtypes and ArcObjects: Snippets GetApp() fails at 10.2

I have been experimenting with Python's comtypes module to access ArcObjects. We are still using ArcGIS 10.0 as we are in the process of upgrading our ArcGIS for Server to version 10.2.2. I am ...
0
votes
0answers
19 views

Apply polygon's layer style to point layer with a common attribute

I have a polygon layer that is symbolized on a large (200+) number of unique values in a column, and a number of point layers that have values from that column assigned to them. The objective is to ...
0
votes
0answers
5 views

How to see original versions of imported features with archiving enabled

I recently imported several feature classes into an ArcSDE Oracle database, registered them as versioned, and then enabled archiving. I was under the impression that I would be able to see a ...
1
vote
1answer
78 views

How do I get ArcGIS tiles to display a single layer when multiple layers are available?

I am using Bing Maps v7 to display layers from an ArcGIS server. The server displays multiple layers as one, but I would like to only display a single layer. Suppose a map service has the layers: ...
0
votes
0answers
22 views

Google Maps legend ? Where do I find it for more information about them?

Can anyone point me where can I found information about Google Maps and their legend ? Since Google maps does not provide their legend, they display their colors like by showing the tan colors as ...
0
votes
1answer
26 views

Geoprocessing service failure

I have a python script tool that I have published to a geoprocessing service. Every time I run the service it fails. Here's what I'm getting for errors: The python code in the tool is below: ...
3
votes
2answers
164 views

How to calculate the distance of sites to riverways

How do you calculate the distance of about 10 sites scattered across a region to bodies of water (rivers and lakes) using ArcGIS 10.1? I have the lat/lon coordinates of the 10 sites as a point ...
0
votes
1answer
15 views

ArcGIS Address range displaying 0s

I used the address range VB script Function FindLabel ( [TOADDL], [TOADDR] ) FindLabel = [TOADDL] & "/" & [TOADDR] End Function Tried Function FindLabel ( [TOADDL], [TOADDR] ) if ...
1
vote
1answer
31 views

Con() does not recognize raster values

I have a problem when using the con() argument. What I want to do is to remap all raster of a raster file ("Red_SL") cells with values larger than 40 to the new value 5. All other values should be ...
-4
votes
1answer
46 views

ArcGIS 10: How to programatically project coordinates? [on hold]

Let's say I have coordinates defined for SRID 4686, is there a way to programatically transform them to SRID 4682?
0
votes
0answers
13 views

Extra Column after Using Polyline to Raster

Does anyone know why there is an extra column in the resulting raster file (Raster2) after using the tool Polyline to Raster in ArcMap 10.2? I had imported the cell size and set the extent to be the ...
0
votes
1answer
79 views

Equivalent functions in ArcMap compared to MapInfo: Objects > Combine

What is the equivalent of MapInfo's Objects > Combine in ArcMap? I have a polyline layer which is divided into 10m subsections, I want to combines these and find parts which are >50m combined. I have ...
1
vote
2answers
143 views

calculate kernel density for polygons in ArcGIS

I have a population data set at the census block level. My goal is to use the data set to identify some population centers in the region based on population density. The simplest way to do it is to ...
1
vote
0answers
46 views

Using a point to cut one polyline

Given a polyline L and a point P which belongs to this polyline but that also is not necessarily one of the polyline's vertices, I'd like to measure the length from the start of the polyline L till P. ...
0
votes
1answer
15 views

In arcgis how do I filter my geo data in a certain state?

I currently have a database of points that contains latitude and longitude. What I want to do is to filter out all the points so that only the ones that are in Texas will show. I have done a spatial ...
0
votes
0answers
22 views

automated method of Geo-referencing air photos?

I am trying to figure out a way to automate a process to geo-reference ~800 air photos, followed by digitalizing several thousand polygons from these air photos. At a minimum, we would like to create ...
0
votes
0answers
10 views

POST not implemented

I'm developing a client wps modifying the example WPSDemo.js from http://suite.opengeo.org/4.1/processing/wpsclient/index.html . I'm using zoo-proyect as wps server. I'm trying to invoke the "buffer" ...
0
votes
0answers
46 views

Failed creating a feature class inside a file geodatabase

I'm having trouble creating a feature class within a new file geodatabase. I can create shapefiles and sde databases, but not feature classes. Here's the message I get from arcmap 10.1. Any ideas? ...
2
votes
2answers
39 views

Use Values from Raster Statistics (e.g. sum of all cells) in Raster Calculator

I need to do calculations on raster layers which require the sum of all cells of the raster. I've used the zonal statistics tool for that but it gets a little annoying to do those extra steps (run the ...
0
votes
3answers
43 views

How to draw polygons from watershed boundary dataset?

I'm working on a web map using esri arcgis javascript api. I'd like to use the NHD Watershed Boundary Data to draw polygons based on the boundaries of the watersheds. Does anyone have any ideas of how ...
0
votes
1answer
21 views

Cannot get 2 raster files of same cell size to align ArcMap 10.2

I have two raster files that are the same cell size but I cannot get them to align properly. (I want the black to line up with the pink) When creating the black raster file (from using polyline to ...
1
vote
1answer
368 views

Best way to get the overlapping segment of two lines

Could anyone help me figure out the best way to get the overlapping line segment of 2 line sdo_geometry objects? my query looks like this: select SDO_GEOM.SDO_INTERSECTION(SHAPE, :SHAPE, 0.5) as ...
0
votes
0answers
24 views

Show graph in html popup for dynamic data of a postgresql table

I am trying to plot xy value from a postgresql database table. In the table there are multiple longitude and latitude corresponding to values. The table is like this, where all longitude and ...
6
votes
2answers
611 views

What are the coordinates of the mysterious hole in Siberia?

I am interested in taking a Google Earth aerial view of the mysterious hole recently discovered in Siberia and perhaps doing some hydrological analysis of the area in a GIS. However, there appears to ...
0
votes
1answer
10 views

Cartogram plugin for leaflet or OSM

Does anyone know if there is a plugin to make cartograms for leaflet ? I have sets of geotagged Twitter datas and I'd like to distord the map according to the density of tweets of every area of the ...
1
vote
0answers
64 views

What's the difference in these two shp files?

I'm trying to plot points on these maps in R, with points from "Coordinates" in the same folder. The WL.shp plots fine with the data, but the NG.shp (which should only be larger and of the same area ...
0
votes
1answer
515 views

Specifying a rectangle as two latitude/longitude pairs, one for center and one for size

I am trying to make sense of the Google S2 library for spherical math (it works like this). I need to get a rectangle for searching for nearby entities in a database, based on a point and a distance ...
1
vote
0answers
26 views

SRTM elevation data question

I have a question concerning the SRTM elevation data (http://srtm.usgs.gov/). As a little thought experiment, assume I want to build a 3D model of the earth's surface as a point cloud. The earth's ...
8
votes
3answers
3k views

How to create polygons with straight lines and right angles in QGIS?

I am running QGIS 1.7.0 on Mac OS X 10.6.8. When creating a polygon, how do I do it so that the lines are straight (90, 0 degrees, etc.) and when I create corners they can be right angles? For ...
0
votes
1answer
141 views

Problem opening GRASS GUI: libgeos-3.3.6.so: cannot open shared object file:

I have been using GRASS to process some Landsat imagery but very recently, and as far as I am aware - after having done nothing different or changing the settings, I am trying to use GRASS and on ...
0
votes
1answer
14 views

How to get pgrouting source and target value using openlayers 2/3?

Is there anyone can teach me how to get the pgrouting's source and target parameters in openlayers 2/3? I plan to get those parameters by click the OSM map layer. Currently, I can only get the lonlat ...
1
vote
1answer
22 views

Adding a graphic line element to open mxd using python comtypes to access ArcObjects

I attended a pretty awesome demonstration from Jeffrey Barrette at the Esri UC a few weeks ago on creating dynamic tables in ArcMap. This functionality will greatly benefit the aviation department at ...
0
votes
0answers
12 views

Merge/mosaic categorical rasters in QGIS/GDAL

I am attempting to make yearly bins of some monthly MODIS data for all of the US. The cells of the raster are defined with Julian dates indicating the date at which a burn event took place. After ...
1
vote
1answer
29 views

*Value relation* widget in QGIS

I cannot understand what the Value Relation widget of the Fields menu in QGIS actually does. For example: I have a point layer with some columns (ID, value1...) and a table (so just a dbf file) with ...
1
vote
1answer
37 views

Why isn't my ArcGIS JavaScript QueryTask working?

var map; require([ "esri/map", "esri/layers/ArcGISDynamicMapServiceLayer", "esri/layers/ImageParameters", "esri/tasks/QueryTask", ...
1
vote
1answer
17 views

Which Writer do I need for PDF Documents in FME 2014?

I have successfully used the ImageFetcher transformer to download many images from a URL by using a JPG writer. Now I want to do this with PDF Documents, but have the problem that the Adobe 3D PDF ...
5
votes
1answer
211 views

How can I improve the speed at which QGIS 2.4 handles network data? (Seems much slower than 2.2 - even with small datasets)

I recently downloaded and installed QGIS 2.4 Chugiak on a Windows 7 64-bit machine with a quad core processor and 8GB RAM. I'm having a few problems using datasets of all sizes from a network drive - ...
-2
votes
0answers
11 views

AttributeError: 'NoneType' object has no attribute 'extend' [on hold]

my code is displaying the error:"AttributeError: 'NoneType' object has no attribute 'extend'' def poly1(a,p,q): j=2 b=list() b=[a[0],a[1]+(p+q)*a[0]] while (j<(len(a))): ...
3
votes
1answer
256 views

Web Map data display/filter/query

I have been learning as much web mapping as possible lately. I really enjoy it, as it seems what you need to know to keep up with the geospatial field. I do have a question that is probably easy for ...
2
votes
0answers
31 views

Unable to debug ArcGIS 10.2 add-in on ArcMap with “No GUI components found in this Add-In”

I am working on an ArcGIS add-in (a very simple toolbar with a few buttons) with VB.Net and ArcObjects SDK in Visual Studio 2010. The solution was built successfully and the debug settings were ...
2
votes
1answer
17 views

Figuring out what coordinates supposedly using 'NAD31 projection' refer to

I'm working with a GeoJSON file that contains sets of coordinates associated with street corners in the city of Montreal, Canada. The spec sheet of the API delivering those GeoJSON specifies that the ...
1
vote
1answer
38 views

Availability of MXD file for OpenStreetMap data in Esri Geodatabase?

From what I understand, an ArcGIS mxd file contains the "styling" information on how to show data. I downloaded and imported OpenStreetMap data into my geodatabase. Now I need to show them. Is there ...
8
votes
2answers
794 views

How to create svg symbols that have modifiable fill color, stroke color and stroke width?

I want to create some svg symbols for Qgis using Inkscape, those symbols must have attributes as described in the question. For the last two days, I have been experimenting as instructed by Sourcepole ...
0
votes
1answer
136 views

GeoWebCache - WMTS Directory Structure

I am trying to convert an existing tile cache (created by custom process) into a usable format/structure for a GeoWebCache WMTS layer. I cant seem to figure out the directory/naming structure ...
0
votes
0answers
34 views

Unable to load shapefile as feature class into geodatabase file, with only 3 of the fields

I'm trying to automate importing census boundary shapefiles to feature class in a Geodatabase File, but somehow could not get it to work with this code: ### ======================== load boundary ...
0
votes
0answers
8 views

Suggestions on Imagery type for ArcGIS for Server (Without Image Extension)

I am exploring the best options to serving raster imagery on ArcGIS for server 10.2.2. As a background, I currently have roughly 200 .jp2 files of about 3mb each. All of these files are currently ...
2
votes
1answer
53 views

Join CSV using gdal/ogr

Forgive what may be a silly question, but I'm not much of a gdal/sql guru. I'm trying to use gdal/ogr to join a shapefile called myshape.shp with a csv called mycsv.csv. The join field in the shape ...
1
vote
1answer
48 views

What is the inverse of QgsGeometry.asGeometryCollection() in qgis python?

What is the inverse operation of QgsGeometry.asGeometryCollection() as documented here: http://qgis.org/api/classQgsGeometry.html#a7cb1cbf8cfa441456067a66ad3a25a94 I'd like to do something like: ...

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