0
votes
0answers
11 views

How to create RasterBrick from a raster layer?

I think I need to add timestamp into slot in order to create RasterBrick format but how? This is my code mainly from , http://gsif.isric.org/doku.php?id=wiki:tutorial_plotkml RAD <- raster() ...
2
votes
1answer
19 views

RuntimeError: Field is not editable when using InsertCursor on ArcSDE geodatabase with ArcFM installed?

We are running ArcGIS Desktop 10.1 SP1, and also have ArcFM installed. I have this simple code: workspace = "C:\\my.sde" arcpy.env.workspace = workspace edit = arcpy.da.Editor(arcpy.env.workspace) ...
-2
votes
1answer
31 views

Identifying projection for shapefile with unknown coordinate system, no z values and no measures?

I am attempting to create a GIS Project with multiple Brazilian cities. I have been collecting, and am interested in, shapefiles that delineate the neighborhood boundaries of said cities. One city's ...
0
votes
0answers
4 views

How to get features from a Service Layer?

I am using a Map Service from http://watersgeo.epa.gov/arcgis/rest/services/NHDPlus_NP21/WBD_NP21_Simplified/MapServer/. It offers multiple layers and its a great resource. I'm wondering if its ...
0
votes
0answers
4 views

When using CartoDB.js with Google Maps API ground overlay, how to make CartoDB layer float on top?

I am trying to combine the Google Maps API Ground Overlay example[1] with CartoDB.js example using Google Maps[2]. It appears both APIs are displaying their layers correctly. However, the ground ...
0
votes
0answers
3 views

Accessing files from GeoExplorer 3 using Pathfinder 5.4?

I have an old GPS unit that I would like to continue to use. I have a new version of Pathfinder for my newer GPS unit (GeoXT 2008). How can I download files collected from my old GPS unit with the ...
0
votes
0answers
10 views

Habitat connectivity — how to map connectivity between polygons based on a separate polygon layer

I have a polygon layer representing a habitat type and another polygon layer representing water features. I want to be able to assign to each water feature whether it shares a connection via a ...
1
vote
1answer
19 views

Spatial verification process

I am working on a project that involves mapping community anchor institutions and at a point where I need to verify that the points are in the correct parcels. I have the address information for the ...
0
votes
0answers
3 views

Displaying extruded polygon outlines in ArcScene 10.2.1

I am having a similar problem to the question posted on this site: How to display Arcscene polygon extrusion edges? When I extrude polygons in Arcscene 10.2.1, the polygons rise to the specified ...
1
vote
3answers
22 views

Making multiple legend boxes all same size using ArcGIS for Desktop?

How do I make all the rectangle or (legend box) all the same ? Look at the circles I marked in the pictures. It should be very simple thing to do. Anyone out there have a good workaround ?
0
votes
0answers
15 views

Map Scale Bar Grossly Incorrect

I am working with open data from the City of Toronto. I am using a base layer of property boundaries which can be found here: ...
3
votes
1answer
131 views

Average frequency of zip code change for a given address over the course of year

This is a difficult question to answer with a high degree of accuracy, but could someone estimate to within an order of magnitude for me the chances of a zip code for a given address changing over the ...
0
votes
0answers
7 views

Trouble installing PostGIS PlugIn for OpenJump

I’m trying to install PostGISPlugin version 1.52 in OpenJUMP 1.7.1 release 4004. I moved the JAR file into my installation’s lib/ext directory, but I’m not sure how to access the plugin-specific UI ...
1
vote
1answer
12 views

Leaflet Draw - add title to marker or shape?

I am trying to create a participatory mapping site where users can draw pts, lines and polys using Leaflet draw. Is it possible to create a pop window where users can add a title or description of ...
1
vote
1answer
32 views

arcpy searchCursor numeric variable in where clause

I know this question has been answered but I am not seeing an adaptation that I can understand. I am trying to use a numeric variable in a where clause and just having a hard time figuring it out. ...
0
votes
1answer
17 views

How to copy annotation feature and paste within same layer?

I am having trouble executing a very basic command which is to copy and paste an annotation within the same layer in ArcGIS 10.1. First, I created an annotation class, then created one label (a ...
0
votes
0answers
18 views

Looping through subsets and spatial-join to single output

I have two feature class files, point file and polyline file. I need to match a state code that exists in each file then take match (subset of both files)and complete a spatial join of the points ...
1
vote
0answers
19 views

Making Map with Color Ramp Using SQL Database Intergration?

This could be a trivial question, but I've been kind of stuck on it for awhile. I'm trying to construct multiple maps that reflect aggregated data showing overall risk by county in a SQL Database ...
4
votes
2answers
58 views

How to access raster NoData value?

I am trying to programmatically access the NoData value in a raster dataset as shown in the screenshot. Two tools that come to mind to describe raster properties do not seem to be able to describe ...
0
votes
0answers
16 views

Determine driving distance - commercial service

I need to determine driving distance for several hundred possible routes. I have latitude and longitude data available. Is there a service that can perform these calculations? Appreciate your ...
0
votes
0answers
13 views

Comparing geographical coordinates of two GML files in a .bat file

I am transforming large files from a projection(pr1) to ETRS89 and back to the projection(pr2). In order to see if the transformation is consequent I am trying to compare the coordinates of pr1 before ...
1
vote
1answer
9 views

Add events to Geoexplorer

I need add new Controls to GeoExplorer. I seen geoexplorer.js inside OpenGeo Suite and I will want to view the coordinates of points. But If I add map.addControl(new ...
2
votes
1answer
34 views

QGIS : How to cover a number of points with disks?

I have to cover some points with disks. These disks are not of a fixed size, they have to constraints: - a maximum diameter, and - a maximum number of points covered. I would like to ...
2
votes
1answer
21 views

What is the correct cartographic projection to calculate a Voronoi tesselation?

I have a set of points with known geographic coordinates. I would like to compute a Voronoi tesselation from these points in order to obtain areas of influence. The geometrical area of each Voronoi ...
0
votes
2answers
29 views

How to create spline in QGIS

I want to create spline in QGIS. I have tried to use Cad-tools - Create spline line\poligon but I can only draw it and can't save. What is wrong I am doing? Is there other way to create spline?
1
vote
0answers
31 views

Get house addresses within polygon?

Is there a data source/service for the USA where, if we provide a polygon, it provides the addresses of all houses contained within it? I just want to know if this type of functionality or similar to ...
1
vote
0answers
14 views

European Rail Freight Map (shape or another ArcGIS format) [duplicate]

I need European Rail Freight Map (shape or another ArcGIS format) for a GIS project. Is anyone having this data? Thank you.
0
votes
0answers
7 views

Google Streetview Images in infowindow

I have followed the instructions on this blog post on adding streetview images to the infowindow: http://blog.cartodb.com/a-picture-is-worth-1-000-attributes-infowindows-with/ I can do it without a ...
0
votes
0answers
15 views

Geometry gets modified when updating only attribute data

Using ArcGIS Runtime for Windows Mobile 10.1. We are trying to update attribute data of features and somehow the geometry gets also updated when we save the changes to the mobile cache and ...
0
votes
1answer
26 views

Field Calculator If/Then in ArcGis 10.1

I've been looking through these threads, i found something similar and thought it could be the answer, but it doen't seem to work for me... I could do this the slow way with Select By Attributes, but ...
0
votes
0answers
8 views

QGIS 2.4 Processing (Zonal Statistics) error

In QGis 2.2 all my models (processing model builder) are working fine. When I start the same models in 2.4 I get errors like this: Prepare algorithm 5: Zonal Statistics Running Zonal Statistics ...
0
votes
1answer
25 views

Viewing Esri ASCII Raster file in ArcGIS for Desktop?

i have some problem viewing an ascii file in a structured way in arcGIS. i have used IDL ENVI too to solve this issue but all data is not displayed. I'll really appreciate your help. please check ...
0
votes
0answers
10 views

How to add an attribute value to info window as a link? (ArcGIS JavaScript API)

I am using ArcGIS API for JavaScript and I want to use a value from a feature class attribute as a hyperlink. For example, "template.setContent("Web Address: http://www.esri.com>${Web_Address}"); This ...
0
votes
1answer
11 views

Mapfish/Geoserver printing: layer problems

I am in the process of migrating my map application to another server with a newer Geoserver version (from 2.4 to the latest version available (master) using the 2.7-SNAPSHOT version of the printing ...
1
vote
0answers
17 views

SDO_Inside equivalent in PostGIS for 3D objects

I am looking for a solution for querying a point whether it is located inside a 3D object or not. If the point is located on the surface of 3D, I could use ST_3DIntersects or ST_3DIntersection. But, ...
1
vote
0answers
25 views

Cause of Field Calculator UnicodeEncodeError: 'ascii' codec can't encode character u'\xf6' in position 5: ordinal not in range(128)?

def Befahrung(value1,value2): if value1 is ' ': return ' ' else: return "G:\\Example\\" + str(value1) + "\\File_" + str(value2) + ".pdf" I try to create a field with a hyperlink. It works ...
0
votes
1answer
12 views

How to merge attributes fields and their values into a single table using a common key with FME

I am having difficulties with a relatively simple task. I have multiple transformers which append an attribute to an "ElementID" coming from different transformers. I would like to merge all outputs ...
0
votes
0answers
4 views

Tiled raster image to be placed in an OSM/ Leaflet.js map

I have a mapoverlay in a custom projection which I need to add as a layer to an open street map map within a website. Since I was not able to change the projection earlier, I decided to manipulate the ...
1
vote
1answer
15 views

Display a link in a popup with Leaflet

Hey there! Im working with the Leaflet javascript library. There should be an option to click on my map and view a popup. I already have a code for that: var popup = L.popup(); function ...
1
vote
1answer
26 views

How to scale with radius attribute

new user of QGIS. I would like to style vector data based on an attribute (radius). The actual unit is in nautical miles. I don't want to use size-scale field or buffer to style the point rather I ...
2
votes
1answer
24 views

GeoJSON and HTML/JavaScript vs Shapefile and Silverlight

I'm developing a map application (Several shapefiles with OpenstreetMap or BingMap on background and some dynamically generated features on the map). I'vs created some part of it with Telerik RadMap ...
1
vote
0answers
9 views

lat/lon of intersection between line of sight from a given lat/lon and altitude above ground

Given a starting latitude, longitude and altitude, and a line of sight defined by azimuth and elevation, I want to find the latitude and longitude (assuming spherical Earth, WGS84 or other) where the ...
0
votes
0answers
5 views

OPACITY parameter doesn't work

I have a problem with my qgis server, with layers transparency. When I move transparency slider nothing happens. I looked at this with chrome dev tool, and after changing value with slider a new ...
1
vote
1answer
57 views

Why is feature.geometry() None in my user-defined expression function?

I'm trying the user-defined expression functions for QGIS, as listed on Nathans blog: http://nathanw.net/2012/11/10/user-defined-expression-functions-for-qgis/ I always get the feature.geometry() as ...
0
votes
0answers
18 views

How to configure a write only layer on Geoserver?

This is probably a wrong way of doing it, but I was exploring this option only because I do not know how to implement the right solution. We have a layer to which features are added using WFS-T. We ...
0
votes
0answers
14 views

gdal_grid performance issue — alternatives?

I use gdal_grid within a Python script, but for my large files the calculation time is enormous. Apparently this is a gdal_grid issue http://trac.osgeo.org/gdal/ticket/2411 Does anyone have an advice ...
0
votes
0answers
19 views

NDS file format conversion to an executable GIS format

Could we open .nds files in any of the GIS mapping environment. it stands for Navigation Data Standards, having the navigation features stored in it. There are 2 types of nds file formats. One is ...
0
votes
1answer
21 views

Using Arcgis and OSM tiles in Openlayers application

I created a map object and specified options according to Arcgis tiled map tiles. var options = { scales: [120000, 60000, 30000, 15000, 5000, 2500, 500], resolutions: ...
1
vote
0answers
20 views

How to symbolize based on feature class and assign a unique value per point?

I am trying to produce a map in ArcGIS 10.1 that symbolizes by feature class but also assigns a unique number (as part of the symbol) to each location that will relate to a table embedded in the map ...
1
vote
1answer
29 views

How to get Last ObjectID of feature class using ArcPy?

I have a feature class and I need to know the ObjectID of its last record. What is the best way to find out last ObjectID? Opening a search cursor and reading all the records is one way, but is ...

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