2
votes
0answers
624 views

Google Maps Engine Connector error

I have recently installed the Google Maps Engine Plugin for QGIS 2.0 and it doesn't seem to work. Whenever I click on the Log in button it pops up with: Google Error:invalid_client Bad request. ...
1
vote
1answer
147 views

How to build and pass remap for floating point raster without getting Reclassify ERROR 010255?

I am receiving the following message when executing my python script: ERROR 010255: String remap must be used with a string field. My input raster is floating point and I would like to ...
3
votes
3answers
1k views

Why does import arcview/arceditor give gp.setProduct() RuntimeError: ERROR 999999: Error executing?

I am developing a script that will be used in ArcGIS Desktop 10.2 of Standard (formerly called ArcEditor) license level and thus importing arceditor to make sure I don't use GP tools that require ...
1
vote
2answers
279 views

Leaflet and census block data: not displaying

I am new to leaflet and am trying to load a geojson file showing census blocks and associated information for a city in CA. It is a small city and not too many census blocks. I cannot get the popup ...
1
vote
1answer
377 views

ArcGIS wmslayer select feature android

I am using ArcGIS Runtime SDK for Android and it supports wmslayer but there is no sample or code for selection feature with using wmslayer. My app shows the map getting data from my wms server. Do ...
1
vote
1answer
282 views

min function not found compiling osrm

I'm trying to compile OSRM in a Xubuntu 12.04 virtual machine following these instructions. I had some problems installing boost (a requisite) and I compiled it manually. The error is this: /home/...
0
votes
1answer
128 views

What must be learned to build 3D web map? [closed]

I wish to build a 3D web map based on Silverlight or JavaScript. I cannot build 3D in Silverlight. What I should do then? Should I learn "Balder" or OpenGL or what? I must do it before 09/2014. Can ...
1
vote
0answers
211 views

how to add dynamic tree and layer in geoext

i am using Geoext,openlayer and Geoserve for map. Now i want to create dynamic tree and layer using Geoext. Means any user can create a tree and add its layer (child) to that tree dynamically. I have ...
5
votes
1answer
148 views

Optimize the locations of 2 additional restrooms on a trail (ArcGIS 10.2)

In the image below, the line is a trail and the point is an existing restroom. I would like to find the rough locations of 2 additional restrooms that minimize the maximum distance along trail from ...
1
vote
2answers
678 views

Enable dynamic layer with Arcgis 10

I'm creating a flexviewer application (arcgis API for flex 3.4) with application builder. I'm new with flexviewer. I want to add thematic widget. I was able to add the widget. But when I want to run ...
3
votes
0answers
606 views

ArcGIS 10.1 & SQL Server 2012

We currently updated to SQL Server 2012 and now we are encountering a slower performance when connecting to the geodatabase on SQL Server 2012. Here are the things that we tried to fix the issue: - ...
3
votes
2answers
600 views

Is there a way to speed up gIntersections for large spatial objects?

I'm attempting to perform a gIntersection of a big grid on a shapefile for country boundaries, so that I can calculate the % area of each grid cell that lies within the country. It takes a few seconds ...
0
votes
1answer
812 views

Lat/Long to XY conversion with Geometry Service

I am attempting to make a simple map that will allow users to see a truck's GPS location on top of a tiled map service. I am having difficulty getting the graphic symbol to overlap my tiled service ...
1
vote
1answer
1k views

Importing Census TIGER Shape Files to SQL Server 2012?

I've been doing my research on how to import shape files into Microsoft SQL Server 2012. and am still unable to figure out how to do it after hours of playing around with it. I'll document what I've ...
18
votes
4answers
5k views

What is a good resource for learning to hand draw a map?

I've been wanting to go old school & draw some maps by hand... Something like you might see on the first page of an adventure novel. I've found next to nothing on the web and am hoping that one of ...
2
votes
2answers
376 views

Mapserver: Symbolize ends of a line

I have some lines I'm attempting to symbolize in Mapserver with discrete symbol at each end. Currently my .map file is set up this way: STYLE SYMBOL 0 WIDTH 1 COLOR 0 0 0 END When ...
0
votes
3answers
152 views

How to extract shape of each segment?

osm2po library does a great job in creating the data required by pgRouting to calculate theshortest paths. But I need the shape (Geometry - LineString 4326) to be extracted when osm2po generates the ...
11
votes
5answers
6k views

Tutorial for OpenLayers?

I need to create a web map showing many raster layers. I am using mapserver and want to use Openlayers, however I can't find any good tutorial about it. I see a couple of old questions (1 and 2) ...
1
vote
3answers
616 views

Table Relate Spatial and Tabular data in QGIS 2.0

I am self taught in GIS, so I apologize ahead of time for my noobness. In ArcGIS you have two options to associate data in a table to spatial data. Based upon my understanding, the first is Join ...
1
vote
0answers
122 views

Model Run from Python script

Ive broken a complex task down to a very simple excersise and still cant get it to work.... I need to set up a Python Scpript to Run a Model. model: "SelectTest" toolbox: "INTEGRITY_TOOLS....
1
vote
1answer
276 views

Openlayers WFS events: click or hover functionality not registering [closed]

I've successfully gotten this to work before so I am confused as to why it's not working this time. Everything seems to be in place: no mapfile errors, no js errors in the console. Here's a gist of ...
3
votes
1answer
182 views

Re-Distributing Python Toolbox

After reading this Esri article on how to distribute Python Toolboxes, I'm wondering how redistribution works? I have a few toolboxes that are in constant development, but would be useful to my co-...
1
vote
0answers
93 views

Global address datasets for testing?

Are there any free global address datasets I can use to test my geocoding application? I'm looking for a dataset that contains residential addresses from countries around the world. I don't need a ...
2
votes
1answer
978 views

How to copy single polygon and paste multiple times to same layer in Arcmap 10?

I'm attempting to copy a single polygon and paste it 113 times to make "parcels" for a condominium building.
2
votes
1answer
140 views

How do I create smaller maps for publishing from multiple tiles representing a large map using QGIS?

I am completely new to cartography and QGIS - I'm a writer, editor and acceptable designer (Adobe Creative Suite). I wish to produce PDF tour guides featuring maps that display a route. One version ...
1
vote
1answer
115 views

Error in GUID fields using “Simple Data Loader”

I have a replicated table in my SQL Server (PE_AMB_ANP), that table has a field named "rowguid" (rowguid is auto generated) When I try yo load data, the field appear matched with 'none', but when the ...
1
vote
2answers
1k views

calculating the difference between 2 angles using st_azimuth and dot product

the function below tries to calculate the difference between 2 angles. I use the mathematical reasoning is as follows : 1) Obtain the 2 angles : angle1 = ST_Azimuth(ST_StartPoint(l1), ST_EndPoint(...
3
votes
2answers
4k views

How to use the replace string function in Field Calculator?

Within an attribute table I'm trying to replace one string with another using the 'replace' function . As an example, there are a number of features whose field 'NAME' contain the string '(B)' and I'...
6
votes
1answer
8k views

Copy single feature into another feature class

I do a lot of editing, in this case areas. Sometimes I add an area to one shapefile, only to realise a bit later that it should have been in another. Is there an easy way of copying only that ...
3
votes
2answers
851 views

Variation of algorithms to find point from another point with bearing and distance

There are several algorithms to calculate distance between two latitude/longitude points. Haversine Hubeny Lambert-Andoyer Vincenty's formulae for inverse problem But there are not so many ...
0
votes
1answer
148 views

add cookies in WMS request

I need to add a cookie in each WMS request. i tried to do something like this but i don't think this is the right way. getURL : function(bounds) { var requestString = OpenLayers.Layer.WMS.prototype....
1
vote
1answer
28 views

Is it possible to add a gvSIG document on Html?And if yes, how?

I have completed a project in gvSIG and now I would like to be able to open it from my webpage, like a hyperlink or path or something.Can I really do that somehow? And if yes, could you please explain ...
2
votes
1answer
1k views

Cutting image using gdalwarp to extent of data

I am currently generating a raster from point data and applying inverse distance algorithm. This image is then cut with : gdalwarp -cutline <<src shape file>> -crop_to_cutline -srcnodata ...
3
votes
1answer
241 views

Choosing the right parameters to interpolate a DEM from contours

I have a 5 meter interval contour lines feature class which I would like to interpolate to a DEM. I am well aware of at least 2 tools ("tin to raster" and "topo to raster") which can help me with ...
3
votes
1answer
138 views

How to get a collection of georeferencing control points in an ArcMap document?

I have created control points (i.e. links) using ArcMap's Georeferencing toolbar. How can I programmatically retrieve a list of these points? I'm looking for something like an enum of the links you ...
2
votes
1answer
840 views

Get XY coordinates in UTM from web-mercator where UTM zone is not known

How to get XY(northing/easting) coordinates in UTM where data is WGS_1984_Web_Mercator_Auxiliary_Sphere(WKID: 3857) coordinate system and UTM zone is unknown. For e.g. India falls under multiple UTM ...
1
vote
1answer
296 views

Openlayers Measure Line and Area at the same time from the same button

I have been using separate buttons to measure lines and areas in my Openlayers maps (as per the Openlayers examples) but would ideally like to get the output for both length and area at the same time. ...
2
votes
1answer
151 views

Loading / georeferencing OS rasters in QGIS

I have got some OS rasters but there isn't georeferencing file (TFW) with them. When I try to load them, it will obviously load in the wrong place. They are loading fine in a different GIS software (...
4
votes
5answers
374 views

Developing GIS viewer on ArcGIS platform (ArcReader, Java Runtime)? [closed]

I was wondering if you could give your input/opinion on what to use. I am looking into developing a small scale GIS viewer that could possibly edit the information locally (Edit would entail drawing ...
1
vote
1answer
195 views

What is the 'water retention capacity' tool and how is it used?

In the latest version of QGIS, I found a geoalgorithim in the processing toolbox that will generate 'water retention capacity.' I am familiar with DEM-based hydrologic modeling tools in QGIS, but I ...
0
votes
1answer
232 views

Conversion of tilestache cache into mbtiles

I have read and I am looking for someone with documentation on how to achieve converting a cache generated by tilecache into mbtiles using mainly mbtiles. I see the mbtiles has an import function but ...
0
votes
2answers
1k views

postGIS union multiple tables, big dataset, faster approach?

my goal is simple. I want to union a given set of shapefiles. In the shapefile are stored polygons. The data bounding box is germany, so the data is relatively big. I tried to use all functions ...
1
vote
1answer
253 views

QGIS how to compute a trendline of two point lines? [closed]

Does anyone know how to compute a trendline for two lines of points? I have two lines of points of a 10 km long urban road. 1st line is one driving direction and the 2nd line of points ist the other ...
1
vote
3answers
931 views

How to access user credentials in database connection?

I am trying to automate a couple of things when a QGIS plugin is activated: If Layer A is not in the TOC, add it. This requests username and password to access a PostGIS table using the inbuilt ...
0
votes
2answers
183 views

Data interpreted incorrectly when opening NetCDF file in ArcMap

I'm trying to open a NetCDF file with some current data on a polar stereographic projection in ArcMap, but the data are not displayed correctly. The only obvious problem I can see is that ArcMap seems ...
2
votes
4answers
1k views

Ordnance Survey 1 km Grid

I am wanting to get a copy of the OS 1km Grid layer. I have found these previous questions: Ordnance Survey grids - download or generate? and Ordnance Survey Grids But neither provide the ...
4
votes
1answer
975 views

Loading a multipoint shapefile in R

This issue has only been raised in the community once, two years ago, to the best of my knowledge. I think it's high time to raise the issue again! readOGR, from the rgdal package, cannot handle ...
3
votes
3answers
1k views

How to draw (or add) a line indicating a specific latitude/longitude?

I'm trying to add a single line that show a specific latitude (e.g. the Tropic of Cancer) I don't want a gird but only a single line even in a vector layer.How can I do that I've try with pyQGIS ...
1
vote
1answer
111 views

Custom tiles in local CRS

I want to achieve the following: Create an OpenLayers map, that runs totally in a local CRS. The basic layer would be a raster tile layer. The tiles will be generated by us once for each project (...
0
votes
0answers
590 views

How to add lat/lon data in ArcGis 10.1?

How do you add xy data to a DEM Raster in ArcGIS 10.1? I have done this before, and it has worked just fine. However, when I recently tried adding a MS Access database which has lat/lon coordinates ...

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