Questions about obtaining data.

learn more… | top users | synonyms (2)

4
votes
0answers
21 views

spatial and spatiotemporal analyses

I have a dataset that consists of 247 mosquito traps placed in fixed positions and sampled weekly for 23 weeks. I also have dengue disease incidence data (indexed to home address) during the same time ...
2
votes
0answers
40 views

Best source for high-resolution satellite images free/low-cost?

I am doing a household survey in Kenya, and I need to ensure that my survey team visits every house within a given area. I've been going to google maps and right-clicking on roofs to get coordinates ...
1
vote
1answer
36 views

Oceans Baseline Data

I am working on a volunteer project and we are in desperate need of a baseline layer. I have been unable to find it anywhere (there are plenty of shoreline and coastline layers out there) does anyone ...
4
votes
1answer
56 views

How to properly assign spatial reference to converted AutoCAD data?

I know this is a frequent problem, I myself confronted with this problem many times, yet somehow each Autocad dataset I received is different (although they're from the same area). To some data, the ...
-2
votes
0answers
81 views

Dekho vs GeoCortex [closed]

I am currently using Esri Australia developed Dekho and want to change to GeoCortex (developed by Latitude Geographics). What are pros and cons related to these two software framework for web mapping? ...
5
votes
2answers
83 views

Any Piri Reis shapefiles?

Incredible claims have been made about a map named after its creator (Piri Reis). I was looking into digitizing the map and overlaying it with a modern map of the world, specifically the east coast ...
0
votes
0answers
20 views

NYC Building Perimeter Shapefile after 2011

I've been using the following NYC building perimeter shapefile from the DOTT for some work. This file however dates back to 2010. Is there a newer one available, and if so where? I have found this ...
0
votes
0answers
18 views

severe thunderstorms warnings dataset for europe

I'm looking at the possibility of using georef data on historic thunderstorms alerts. Does anyone know of a good (free ) source for this information? Thanks in advance
2
votes
2answers
77 views

Where can I get Beijing GIS data?

I was meandering so many places to find GIS data for Beijing. but it seems like I cannot get to any of useful resources. At least I got road, water shape files and outline of beijing city. ...
4
votes
3answers
55 views

What sources of granular wind data over the continental US are available?

I am looking for publicly or commercially available wind data at altitudes ranging from 0 feet to 40,000 feet over the continental United States. Which data sources should I look at? Which one is ...
2
votes
1answer
64 views

TMS or WMS source(s) for DEM data tiles?

I'm spinning my wheels trying to find an existing, free source for TMS or WMS elevation data that doesn't involve a long-winded clickabout or an emailed url. This question has a similar purpose, but ...
6
votes
1answer
135 views

Where can I find municipal-level administrative boundary data for India?

Does anyone know how to find a shapefile with boundaries of Indian municipalities? I have tehsil boundaries as for year 2001, but I would like boundaries of municipalities. Ideally, also historic ...
0
votes
0answers
25 views

Where can I buy detailed (ideally 1:2000 or up to 1:10,000) maps of Russia?

I have a project in the Caucasus region and I'm having bureaucratic difficulties getting a decent map for it. I wonder what is in the public domain?
2
votes
0answers
72 views

Geospatial Tools for SketchUp

I was wondering if anyone knows of geospatial tools that work in SketchUp? I know if GeoSketch, which allows a user to import ortho imagery, DEMs, shapefiles and GPS enabled photographs into SketchUp ...
2
votes
1answer
61 views

network coverage for mobile phones - europe

I am looking for GIS data with the network coverage (mobile phones). Something like the layer shown in the cell mapper website where I can select different countries and all the providers to export a ...
1
vote
2answers
62 views

Forest Coverage - European free GIS datasets

Where can I find GIS data for the Forest coverage for the entire Europe? Is there such a product available for free? I am looking for raster or vector (polygons) with the information of the % of ...
2
votes
1answer
64 views

Are the public domain vehicle tracks available?

I'm looking for recorded vehicle tracks that can be replayed to (load) test my application. Is there such data available? Best would be a european data basis but everything else would do the job as ...
0
votes
2answers
68 views

Why is QGIS reading in my CSV numeric data as string data, and how do I change it? [duplicate]

QGIS keeps reading in my numeric data from .csv files as string data. This means I have to figure out how to read it in with the proper data type, or convert it back to numeric inside of QGIS, ...
2
votes
1answer
66 views

Why is it so hard to download only a part of OSM data by attribute tag?

Is there any online service that allows to download only one thematic layer of the OSM data for a specific geographic region? For example all objects related to vegetation (trees, grassland,...), but ...
2
votes
3answers
63 views

Polygons for postcodes in Spain

Is there a source (free or paid) for polygons of border coordinates for spanish postcodes? Google show this borders in google maps, but doesn't provide them.
0
votes
2answers
71 views

export 3D data dxf file

I'm trying to export a DXF file from Qgis1.8.0 Lisboa and can not have a 3Dfile in Autocad! Or micristation. It results always in 2D file. How can I export height data from a shape file in Qgis? ...
0
votes
1answer
28 views

merging and seperating data

I have a census block shapefile and I want to separate the data according to their towns or village. The towns/village is a separate shapefile. Any help is greatly appreciated. I am using ArcInfo ...
1
vote
2answers
55 views

Where can I get public transportation locations for USA

I am trying to find a list of all public transportation/transit locations like subway stations, airports, bus terminals and bus stops for USA. Only major transit locations are required, rural bus ...
0
votes
0answers
28 views

Where can I find annual temperature & relative humidity data of every town in India?

Need the historical data of temperature & relative humidity of a place called Bhiwadi in Rajasthan state of India
2
votes
2answers
84 views

Is there a source for leaf-off aerial imagery?

I am looking for leaf-off imagery for Oklahoma, Kansas and Texas. 1m leaf-off imagery would be ideal, although any substitute would be helpful. I need fairly high resolution imagery to distinguish ...
0
votes
0answers
31 views

Which map provider offers information about restriction maneuvers for Venezuela?

I need to add turn restriction to my application. However, my map provider (Navteq) don't have this one for Venezuela and other countries.What other map provider could have this information?
1
vote
2answers
64 views

Where can I download Southern California Interstate Highway System in a Shapefile?

Does anybody know where I can download the Interstate highway system (as a shapefile) for Southern California (the area around San Diego in particular)? Thanks, in advance!
1
vote
0answers
62 views

Natural Earth: How to get the position of all provinces that belong to a state

This question is about Natural earth 1:10 states and provinces.shp file. I'm using ogr2ogr and want to know the name of the id i need to pass . In purpose of pulling out the right states regions. ...
0
votes
0answers
43 views

Where to find Data with site that have hazardous, toxic or radioactive substances?

Does anybody know where to find data that lists the location of sites that have hazardous, toxic or radioactive substances? I'm working on a HUD project and need to be able to find out if sites for ...
0
votes
1answer
60 views

Convert large amount of County names to FIPS in excel file?

Is their a way (other than manual) to convert a large data set with county names to their respective FIPS code?
8
votes
2answers
127 views

How to efficiently (programmatically) determine whether two datasets have / don't have identical content?

Given: a geodatabase A that contains 100 datasets named a1 .. a100 a geodatabase B that contains 100 datasets named b1 .. b100 I want to programmatically (*) determine for each dataset pair (ai, ...
2
votes
1answer
129 views

Where/how can I find/buy/make building footprints for Kent County, MI (Grand Rapids, Wisconsin, etc)?

I'm in big trouble and need help. I'm really hoping someone in the Stack Exchange community is feeling particularly helpful and will go the extra mile for me. I'll owe you one in whatever medium you ...
2
votes
0answers
61 views

Custom python datasource to QGIS

I'm working on a homebrew spatial feature data format, and using Python to write it's API. It occoured to me that use some tool like QGIS to display my data would be very nice to have, for debug/test ...
2
votes
2answers
60 views

Searching for LANDSAT for the state of New Mexico

I am looking for a website that allows me to download free LANDSAT for all of the State of New Mexico. I need them to perform my work on RUSLE and need LANDSAT for c factor. Does anyone suggest of a ...
1
vote
1answer
48 views

Where can I find GIS Data for Environmental Constraints for Hawaii?

I am looking for all the types of environmental constraints in shapefile format for Hawaii. Is there any environmental agency website or other source where I could find it? Any kind of help would be ...
3
votes
1answer
59 views

Looking for a sample dataset of international addresses

I need a test dataset of 100 addresses in each country's local langauge. This is approximately 10,000 addresses. The don't need to be geocoded or resolved to address components. For example, 1 ...
0
votes
0answers
27 views

Where do I find intra-city zone shapes?

We're building a project that lets you visualise data about zones within cities such crime rates and wealth. So for example in London you could compare the various boroughs. For this, I need to bulk ...
3
votes
1answer
47 views

World territorial units for statistics

My current assignment required to do research and produce world territorial units for statistics. In Europe it easy thanks to Eurostat. Even non-commercial GIS data is also available here. Now ...
5
votes
1answer
133 views

Is there a way to add a PDF to ArcMap as data?

I receive a lot of PDF maps (vector, image, with georeference and without) and I am having to convert them to an image file before I can add them to ArcMap and georeference. I can't see any obvious ...
1
vote
1answer
52 views

Data safety in ArcGIS Server network

I want to know about the safety of data shared in an ArcGIS server network. Can someone hack into the network and steal the data? Suppose we create an ArcGIS web service and put up an application, can ...
11
votes
2answers
248 views

Is there a public shapefile with the London Underground stations and lines?

Is there a public shapefile containing the stations and lines of the London Underground? I've been doing some intensive searching but I can only find the coordinates of the stations, or the lines in ...
2
votes
1answer
73 views

What is No Data Value?

I'm looking at the transparency window of the layer properties of my "Heat map". How does the No Data Value effect a raster layer. I'm assuming an initial setting of -9999 sets it out of the way, so ...
1
vote
2answers
63 views

Sequoia 2000 Benchmark data?

In reading about DBSCAN clustering it mentions the SEQUOIA 2000 Benchmark database was used for benchmarking. Is this data set available anywhere? Or, is there another set like it? So far my ...
1
vote
0answers
85 views

Heat Map trouble: Is this a data formating problem?

I'm playing with the heat map plugin with QGIS. I've run through QGIS tutorial: http://docs.qgis.org/html/en/docs/user_manual/plugins/plugins_heatmap.html, using the airports data set as explained ...
6
votes
2answers
81 views

Where can I find Population data for all UK Counties?

Where can I find population data (male, female, total) for all UK counties for last 7 decades, i.e. 1950,1960,1970,1980,1990,2000,2010. I tried my luck with Office for National Statistics and UK ...
0
votes
1answer
61 views

Is it Possible to Convert a GRD File into an ASC File in QGIS?

Is it possible to convert in QGIS a GRD file (that was created in MapInfo) into an ASC file (that can be imported into SAGA)? Is it possible to "extract by mask" a section of a GRD file in an other ...
1
vote
0answers
16 views

Difference Between GLC2000 Versions

What are the differences between the various versions (1 through 5) of the Global Land Cover (GLC) 2000 product? I am going to use northern North America, Europe and Asia (north of 50°N). Is it ...
0
votes
0answers
27 views

Where can I get polygons for the Municipalities of Puerto Rico?

I'd like to find GeoJSON files to draw the polygons of municipalities of Puerto Rico. It might be nice get the Nokia Map (or any reasonable publicly available map) of the same regions and overlay ...
1
vote
1answer
46 views

New Install Quantum GIS - .ind and .idm files not valid [closed]

I downloaded and installed the Windows version of Quantum GIS to view Pinellas County data. I can add the .shp, .shx, and .dbf layers, however do not see any data showing as far as road names, etc. I ...
2
votes
2answers
105 views

Where can I find a dataset containing locations of all USPS post offices?

I searched the USPS web site, queried GeoData.gov, did a general Google search and turned up nothing. I tried querying GNIS for feature type post office, but the data is listed as "entered 1993" for ...

1 2 3 4 5 9