3
votes
1answer
1k views

How can I solve “The Network Analyst solver could not determine a solution”?

I am using ArcGIS 10.0. I have network data for undulated terrain so there are lots of inaccessible parts of the network. When I was using this model, I get "The Network Analyst solver could not ...
12
votes
5answers
2k views

Which GIS software or plugins can perform a Cellular Automata Simulation?

I am interested in running cellular Automata to run a simulation on city growth. Which GIS software can run this out of the box, or via plugins?
4
votes
2answers
586 views

Getting buffer wizard-like speed in Python (vs using MultipleRingBuffer_analysis)

I've got a script that takes a single input polygon feature, throws 10 buffers around it at tenths of a specified input distance, and then symbolises the output based on an existing layer file. ...
3
votes
1answer
911 views

Dynamic SLD styling - unique colours for linestrings

I have a postGIS table that looks like this: (plus a 'track' geometry column, a linestring for the vessel's track) sampling_interval | voyage_name | start_time_utc | id | ship_name | ...
5
votes
1answer
939 views

Why isn't StackBuilder installation of PostGIS working?

I've installed PostGIS (ver. 2.0.1) on my Mac using EnterpriseDB's StackBuilder, which I also used for my PostgreSQL (9.2.2) installation. Although StackBuilder says that PostGIS is now installed, and ...
5
votes
2answers
968 views

Unable to display FeatureLayer using ArcGIS server

I can't figure out why this FeatureLayer doesn't show up on top of my base map. I'm using ArcGIS Server 10.0 and the ArcGIS JS API 2.6. Here's the information from the service's REST parameters page: ...
0
votes
2answers
2k views

How to increase RAM allocation to QGIS? [closed]

I am using QGIS 1.8.0 and it runs slowly (with huge layers the size of NSW, Australia) and it appears that QGIS is limited in its RAM allocation to 128.9MB. How can I increase the speed with which it ...
1
vote
2answers
847 views

count lines in polygons

I found the following link to a post saying that a count lines in polygons had been added to ftools for QGIS: http://hub.qgis.org/issues/4712 However I can't find how to access this feature nor any ...
6
votes
2answers
507 views

What projection does the global climate region map from Wikipedia use?

I would like to use this global climate region map from Wikipedia as a "basemap" (by plotting over the image in R). Is it possible to determine the projection of this map?
1
vote
1answer
634 views

Broken image from mapserver, png not rendering

I'm trying to render WMS MapServer data on top of Google Maps using the OpenLayers JS library. My problem arises when I try to render the data as a series of points throughout the New York City area. ...
2
votes
0answers
329 views

ArcGIS Server 10.0, Rest Service not showing relashionship class

It's the first time that I am using Relationship Classes for a web mapping project. Everything seems to be set-up properly, meaning I can get the related info out of ArcMap and ArcCatalog when ...
3
votes
0answers
465 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. ...
1
vote
0answers
270 views

How to update polygon field with point count for multiple rows? (Temporal point-in-polygon)

I have a shapefile with several regions. It contains basic info like ID, Code, Name1, Name2, etc. It is overlaid with a shapefile of points (nearly 200k). Each point represents an event with a type ...
3
votes
1answer
150 views

How to add ITable (Table object) to current map (or document)?

I created an in-memory results ITable and I need to add it to the current ArcMap document/map to see the generated data. How can I do it?
0
votes
1answer
637 views

Column exists in DatabaseMetaData, but does not exist in relation?

I am using JDBC to query a PostgreSQL database. And I want to populate a column called wiki_url based on the value of another column, level which will determine which value of 5 columns to concatenate ...
6
votes
1answer
148 views

How to change all values in a field in one operation?

I am setting up a couple of shapefiles with text x, text y, text rotation and text size fields in order to utilize the labeling toolbar where I can move and rotate labels. I would like the values for ...
1
vote
1answer
922 views

Using ArcPy to set field values for all features within each polygon of separate feature class?

I am trying to set a field value in one feature class (TRU) based on the value of a field in a separate feature class (DerivedBoundaries) that contains the first, using python in ArcGIS 10.1. I have ...
4
votes
0answers
225 views

How to make a visual realistic map containing mountain hiking trails/tracks?

I would like to try making a map that visually reproduces a mountain/hill and contains hiking trails, just like this one: http://i.stack.imgur.com/PdcnM.jpg I imagine some steps like this: Generate ...
2
votes
2answers
403 views

arcpy.mapping.AddLayer invisible layer

I'm having a bit of a problem with a script on a particular machine. ========================================================== import arcpy,sys class AddLayer(object): ''' classdocs ...
0
votes
1answer
846 views

OpenLayers polygon fill not working with GeoJSON file as source

I'm trying to visualise some data in a custom shape on a map, and I'm stuck with styling it. I'm currently using the openlayers framework in combination with a geoJSON file that I generate in code. ...
1
vote
0answers
432 views

OpenLayers: How to get backgroundGraphic to go under externalGraphic

I've got a layer with nodes features on which I may want to display two images, a main one and a background one. This page : http://openlayers.org/dev/examples/marker-shadow.html shows what I want: ...
1
vote
1answer
416 views

How to Add a KML from My Google Maps to OpenLayers?

I would like to add this kml-link from Google Maps to an OpenLayers instance. The following code is not working: var layer = new OpenLayers.Layer.GML("KML", ...
1
vote
1answer
386 views

Install ArcGIS apps on my Iphone. Is there a manual or instructions for it?

I have install ARCGIS ESRI on my Iphone. Is there a manual or steps on how to use it ? I want to know how to use it. HELP ! Thank you.
3
votes
1answer
651 views

GeoDjango admin: how to use a WMS background other than the default OSM or VMAP0

The standard GeoDjango admin has a basic VMAP0 background. OsmGeoAdmin adds an OSM background. How do I replace the background map with another WMS? In the source code of the admin OpenLayers ...
2
votes
1answer
4k views

What packages are needed on CentOS to compile MapServer from source

I'm trying to configure MapServer 6.2.0 for compilation on CentOS 6.3, but always run into the same problem, no matter what configure options I supply (also the same with no options at all, just plain ...
7
votes
3answers
11k views

Will ArcGIS 10 run on Windows 8?

I have access to ArcGIS 10 through university, however my laptop runs Windows 8. I have checked the requirements and they have listed the previous operating systems (excluding 8) ...
10
votes
1answer
1k views

How to Remove Dark Bands Where Scenes Overlap in Mosaic Landsat TM5 Image?

I have an image mosaic of 5 Landsat TM5 scenes. Where the scenes overlap there is a dark band, only on the left and right sides, but the top and bottom are seamless. What is the best way to correct ...
2
votes
1answer
488 views

Maximum zoom levels for tilestache rendering mbtiles

I have been given an mbtiles file which contains tiles for zoom levels between 16 and 20. When I preview the mbtiles on tilestache, I am not able to zoom in beyond the 18th level. If I request the map ...
3
votes
3answers
3k views

How to remove empty classes from legend in ArcGIS Desktop?

I have a classification image with only 12 classes. I'm preparing layout using this image. when I add legend into layout page, a lot of empty classes loaded together with these 12 classes. Totally 255 ...
3
votes
1answer
410 views

Best practice for serving data to OpenLayers client

We have some polyline and point data in SHP format and would like to serve that data to an OpenLayers client. First we thought about converting the data to GeoJSON and send it to the client as a ...
3
votes
1answer
2k views

Problems with gxp Print plugin via opengeosuite sdk

I am trying to import the print plugin within an application built using the Opengeo Suite sdk and I have run into issues as is described in the following thread ...
3
votes
1answer
2k views

Clip data frame using Outline of Selected graphic(s) in ArcGIS Desktop?

I did a subtraction of a data frame in ArcGIS using the following steps. I prepared a layout in ArcGIS. There is a lot of empty space at the top of layout page. So I want to remove this space. I used ...
1
vote
1answer
758 views

Error on Geoserver Web Admin Page

When i click on Geoserver Web Admin Page gives Message as 'Bad Request (Invalid Hostname)' in web page. I have already data of on going project in geoserver. I have started Geoserver. My geoserver ...
2
votes
2answers
1k views

How to project a geoJSON file in OpenLayers?

I have a json file well formed. I want to read a json file as a base layer from OpenLayers. <script type="text/javascript"> var styles = new OpenLayers.StyleMap({ ...
6
votes
1answer
1k views

How to calculate te area between contour lines on a DEM with QGIS 1.8?

Does anyone know how to calculate the area in km² for each altitudinal band (between 100 and 200, 200 and 300...) based on a DEM? I added the contour lines with a distance of 100 metres but could not ...
7
votes
2answers
315 views

ArcSDE : Cascading Subtypes in ArcGIS 10/SQL Server

I'm currently creating an ArcSDE DB on an SQL Server. It is designed to complete species survey, with information from the field. In order to help themselves, they asked me to implement a particular ...
4
votes
0answers
108 views

Is there a way to run the spatial query plugin from QGIS python console? [duplicate]

I want to get all contiguous polygons for every county. In QGIS I can do this manually with a Spatial Query, but for a large data set this result impractical. Is there a way to run the spatial query ...
5
votes
1answer
1k views

How to load raster data with hyperlink path in ArcGIS MXD?

I have a problem/question and hopefully someone of you is able to help me: I have thousands of georeferenced raster files which have corresponding polygons (outer borders of rasters) with a hyperlink ...
4
votes
3answers
265 views

How to print from arcpad without buying more Esri sofware?

I am running ArcPad 10 in windows 7 on a laptop and on a field unit consisting of an Ashtech MobileMapper 10 as a PDA talking to an SXBlue GPS. This system provides the real time half meter (without ...
3
votes
0answers
765 views

How to change page size of pagelayout for printing custom size?

I have a A3 printer (size: 297mm x 420mm). But I am wanting to print my pagelayout with paper size is: 265mm x 380mm I tried to change the page size of my pagelayout to 265mm x 380mm by using the ...
2
votes
1answer
550 views

Orthogonal Height Profile along line (sextante -> v.segment, r.profile?)

While trying to find a way to find "valleys/ridges" within a DEM, I'd like to know if there are tools, plugins or "methods" known or available to automatically generate height profiles along a given ...
3
votes
2answers
330 views

How to get the best accuracy of coordinates for web GIS- application?

I would like to get advice from you about one thing. I would like to develop my own web GIS application. It would be about some sport places in my hometown; it would be good practice for my education ...
4
votes
1answer
1k views

Is there a way to get centroid of geographic object in MSSQL?

I have a table of OSM geographic roads in MSSQL 2012. I want to create a new column with the centroid of each road (So I can set center on OpenLayers map for each road). How can I do it ?
3
votes
1answer
193 views

v.dissolve to multipolygon

Using v.dissolve in GRASS, I'd like to get a multipolyon as a result. However, I end up with distinct polygons with the same 'dissolve value.' For example; lets assume I have two polygon features ...
2
votes
1answer
384 views

Preparing layout to print multiple images on page using ArcGIS Desktop?

I want to print multiple images on a layout page with legends. All images are the same size and same georeferencing. How should I prepare it?
8
votes
1answer
446 views

Any rules of thumb for neighborhood settings in Focal Statistics?

In ArcGIS 10, users can define the neighborhood in the Focal statistics tool. The moving window shape can be set to any of the following: Wedge, annulus, circle, rectangle, irregular, and weight. ...
7
votes
1answer
566 views

Multiple versions of GDAL (32bit and 64bit) on same machine

I currently have GDAL installed on my Windows 7 64bit workstation. It is the 32bit version. I chose the 32 bit version because I wanted to use the GDAL Python bindings with a 32bit installation of ...
5
votes
1answer
201 views

Calc bottomline of valleys

Which way do I calculate bottomlines of valleys or even more preceise: which way do I "find" valleys (for example suggested tectonic faults). Sample below shows a height profile (profile from line) ...
1
vote
1answer
161 views

How can I migrate from agslib 2.1 to agslib 3.1

I have an application which is developed using agslib 2.1. I want to migrate t to agslib3.1. When I use the new library, There is an error in MapManager.mxml code as "Call to a possibly undefined ...
6
votes
1answer
220 views

Styling broad lines with short dashes

I'm looking to style some lines in QGIS to look like the steps in OpenStreetMap's default style. Actually, I'm styling those same steps on my own machine. Basically, unless I'm missing something, ...

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