Questions about obtaining data.

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2
votes
3answers
38 views

What is the X Y coordinate in this data set?

Anyone knows what the x y coordinate in this crime data set is? https://data.cityofboston.gov/Public-Safety/Crime-Incident-Reports/7cdf-6fgx I think it is not lat, long. How do I convert it to lat ...
2
votes
0answers
39 views

How is Canada Vector Data (CanVec) hydrology data collected and updated?

Canada is vast and collecting any geographic data must be a monumental task. Natural Resources Canada provides a free access to a comprehensive Canada-wide topographic data now refereed to as CanVec ...
1
vote
1answer
2k views

Composite NDVI data downloads post-2006

Does anyone know of sources for downloadable global composite NDVI datasets (2-week to 1 month composites) that include more recent data than 2006? The GLCF (http://glcf.umiacs.umd.edu/data/gimms/) ...
1
vote
1answer
61 views

shapefiles for global border crossings

I am trying to find a shapefile or set of shapefiles that contain global border crossings. Basically, what are the points of transit between one country and another. Does anyone know if this data is ...
7
votes
8answers
3k views

Where can I get pointcloud data?

Is there any freely available pointcloud data? I'm especially interested in dense clouds of small areas(5m to 100m radius) but anything else would be fine too. Edit: I've found that these pages ...
10
votes
12answers
1k views

canvec: why so quiet? where are all the users?

It has now been a little over 3 years since Natural Resources Canada released CanVec, a national coast to coast to coast spatial dataset at 1:50,000 or better nominal scale. In the interverning time ...
0
votes
1answer
129 views

Where can I get shapefiles for Indian Constituencies according to the latest delimitation?

The GIS data officially provided by the government is only available as PDF maps. Some people have shared shapefiles for the previous delimitation but these are outdated. Parliamentary constituency ...
0
votes
0answers
41 views

Iceland base data - dem, hydro etc

I am looking for elevation data for Iceland. Specifically a higher res dem (30m) and some good hydrography, glaciers etc. Any suggestions for a good data source?
2
votes
1answer
34 views

Intersection Type Data

Would anyone have any input as to where I could find a table/shapefile/feature class that describes the intersection type of roads? I've looked into TIGER roads, StreetMap premium, OpenStreetMap ...
-1
votes
1answer
148 views

How to download GeoTIFF files of TRMM product 3B42 (rainfall estimates) [closed]

I want to download GeoTIFF files of TRMM product 3B42. (This is a rainfall estimate derived from multiple sensors of the Tropical Rainfall Measuring Mission satellite.) The NASA/Goddard Precipitation ...
0
votes
0answers
27 views

Geological/geographic dataset or query language? [closed]

I'm looking for a dataset that I can ask questions like "which points on the entire earth get the most fog in December and have the steepest terrain?" and "how many people living there speak English ...
5
votes
2answers
400 views

Does the USDA SSURGO database have a web-based API that I can query?

Based on a previous question, Can I download the entire NRCS SSURGO database?, it appears that it is difficult to import the entire USDA SSURGO database. The Web Soil Survey provides the ability to ...
1
vote
1answer
39 views

Show raster data in WEB

I have downloaded Landsat8 image and use matlab to processing temperature and vegetation. Then I insert data into PostGIS. I used QGIS to display the results but i want show in web. How to display the ...
0
votes
0answers
34 views

Searching for GIS data sources relating to the Soviet GULAG system

I'm desperately searching for GIS data related to the Soviet prison camp system, the GULAG. There are quite a few very good maps out there, but I cannot seem to find data in order to make my own. ...
6
votes
4answers
2k views

How to extract german restaurants from planet.osm?

Want to get the data out of http://wiki.openstreetmap.org/wiki/Planet.osm UPDATE: i just come back from the site http://wiki.openstreetmap.org/wiki/Planet.osm which has got some files that belong to ...
3
votes
2answers
79 views

All US 2010 Census Data - Tract Level

I'm trying to find where I can download all the data (summarized to the tract level). By all data, I mean population race Marital status job wage age sex same sex couples kids education I need ...
0
votes
0answers
48 views

QGIS 2.2 Changeing txt data in theme table not working

A week ago I upgrade from QGIS 2.0.1 to 2.2 and try to edit some simple point themes I made recently. To my surprise, QGIS 2.2 randomly - not allways, does not allow me to change text I type into text ...
2
votes
3answers
72 views

Seeking Shapefiles of Restaurants in South Florida?

I am doing a project on food trucks for my Intro to GIS class and am looking for locations of places to eat here in South Florida to overlay with places of business. I would like to make a map of ...
3
votes
1answer
188 views

Worldwide places reachable by sea/ocean

I'm looking for a list of all populated places(not just big cities/ports) on the world that reside on sea/ocean. The list should contain the place name, latitude and longitude. Does something like ...
0
votes
1answer
97 views

Is there a way to convert multiple columns at once from string to text, or to other data formats?

I have multiple data fields that need to be converted from string to text files. When I save them as "text" in excel or open office, they still load up as string files in QGIS. How can I convert more ...
0
votes
1answer
23 views

1:250 streams data - USA wide - where can I find it?

I have 1:250 streams data for a few western states. I find this scale to be excellent in many settings as base hydro data. I have never been able to find a USA or better yet, NA wide dataset of this ...
1
vote
3answers
579 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? ...
1
vote
1answer
128 views

Calculation to convert db data to Lat/Lng degrees

In a database I have the following Lat/Lng data. I wish to convert it to a readable format. 177514245:34726053 => S 32 7.3947, E 115 51.4245 177513828:34726948 => S 32 7.3052, E 115 51.3828 ...
6
votes
3answers
2k 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 ...
0
votes
1answer
26 views

Create NetCDF subset with different sizes

I have to create a netCDF file with different subsets. For example subset1 must be a 2d matrix, subset2 a vector, etc. I am using functions of netcdf library in C/C++ code: nc_create for the file ...
1
vote
0answers
24 views

Shoehorning hierarchial data into MS SQL ArcGIS SDE

So, I've been tasked with creating a set of tables to store hierarchical data within an SDE. This is in reference to utility data, i.e, a set of valves, control panels, actuators, etc (each ...
1
vote
0answers
174 views

Adding KmlLayer using local file (File API)

I am trying to load a local KML file to the map for this I am using FileReader object (File API). To use google.maps.KmlLayer I need to use readAsDataURL to transform to a URL the file, the problem is ...
2
votes
1answer
180 views

Anyone who has the ESRI Census 2000 Tiger/Line data?

The ESRI Census 2000 TIGER/Line Data were free. http://www.esri.com/data/download/census2000-tigerline http://arcdata.esri.com/data/tiger2000/tiger_download.cfm But they vanished. The download link ...
2
votes
0answers
52 views

Using Field Calculator to Convert Data Type In Field

I am trying to convert a field that is listed as "String" because it was imported into QGIS as a CSV (rural poverty population percentages by county in NC). I need to convert the percentages field ...
2
votes
0answers
67 views

Where can I find administrative boundary data for Mexico? [closed]

The USA has states, counties, and cities. How are Mexico's territories split up, hierarchically? It also has states and cities, but does it have an intermediate-level political unit? Where might I ...
0
votes
1answer
81 views

Clip and ship by a queried layer extent and by user defined extent

I am trying add a functionality to the clip and ship script. I would also like the users to extract data by the extent of a queried feature layer. For instance, if County = "Alameda" then extract data ...
2
votes
1answer
45 views

Does anyone have aquifer depletion/recharge data for China, India, or any other country that isn't the United States?

Im doing a project for my capstone class in Geoenvironmental Studies and i am having a hard time finding data for aquifers in other countries.
0
votes
0answers
16 views

Industries Database - EPRTR?

I am looking for a coherent , complete (At least EU coverage) and reliable (spatial accuracy) databse for INDUSTRIES I have been checking EPRTR database. Basically, it shows around 24,000 industrial ...
0
votes
0answers
32 views

How do you assign classes to percentage data in a data layer?

As a learning project I need to coneptualize a GIS output for assigning classes to data in a raster layer. In this case i have the unemployment rates for relevant magisterial districts in my ...
1
vote
2answers
69 views

What are the ways we can control the quality of a DTM?

I imagine that for DTM obtained from Stereoscopic procedures or interpolation from a set of topographic points a comparaison with the original data can help, but what for DTM obtained from Remote ...
2
votes
2answers
98 views

Where can I get the location of all Universities and Colleges in North America?

This seems fairly straightforward but I'm having trouble finding the right data. All I need is the name, address, and lat long of all universities and colleges in North America. I've come across a ...
4
votes
3answers
2k views

Advice on using CityGML data and GIS

I'm looking for advice on how best to use the CityGML data-structure and GIS (preferably ArcGIS/QGIS). I've read through their website and wiki and saw a list of software here that can be used to view ...
0
votes
2answers
69 views

Download Airports from OSM

Is there any way to download all airports in Europe from OSM? What I'm looking for is the Airport perimeter, (lines or polygons, dosn't matter) I know that I could download all Europe, and then ...
13
votes
7answers
11k views

Where can I find Canadian postal code geometries?

Where can I find the shapefiles for Canadian postal codes?
1
vote
1answer
77 views

How to document field properties of attribute in shapefile?

I would like to document within ArcGIS how the values for specific shapefile attribute fields were derived or obtained. Is it possible to input and export this information as a report with ArcGIS 10? ...
1
vote
2answers
158 views

Canada FSALDU 6-digit Postal Code Data Providers

I have been looking into finding point data for the Canadian 6-digit postal code (FSALDU). I have come up with 3 sources so far, 2 being far more expensive than the other. After speaking with the ...
0
votes
1answer
32 views

Raw State Data on Health and Social Outcomes

I am looking for raw health and social outcome data (poverty, obesity, education levels, etc.) by state. I would like to download it as a csv or excel file. It needs to have the state fips listed in ...
1
vote
1answer
17 views

Problem with MIF/MID allignment

After creating a rather large map in MapInfo using US Census Tiger data and exporting it to the MIF/MID format, it appears the files are no longer properly aligned. When I try to open the MIF/MID in ...
1
vote
2answers
111 views

Is there an average size for British postcodes?

Is there an average size for British postcodes? Or a method of determining the size for a particular British postcode? Thanks. Considering creating a related program and this would be valuable ...
0
votes
0answers
28 views

Quickest method for determining which postcode is 2 miles north of original postcode? [duplicate]

What is the Quickest method for determining which postcode is 2 miles north of original postcode? For instant L17. I know how to determine the distance between 2 points as below, but the above ...
0
votes
1answer
45 views

Hard to get my head around, generating average price for houses in each quadrant

I'm able to determine the average price of houses sold in a particular area (like the squares on image below) dependent upon postcode. Although I can generate the average sale price for a particular ...
10
votes
2answers
451 views

Is there an automatic function in QGIS to package all shapefiles in a project for transferability?

In my project, I use a lot of geodata from different directories. Now I want to give the QGIS project to a colleague (eg on a CD). Is it possible to copy the shapes from different directories ...
0
votes
2answers
300 views

How do I filter unique values using a definition query on a File Geodatabase?

Is there a way to filter unique values only from a column in ArcMap using definition query? i.e to use a Definition Query to filter out just those values which occur only once. In a Personal ...
0
votes
1answer
110 views

Where can I find GIS data about NYC's combined sewers (CSO) that's free to use?

I've located two sites that display the data that I'm looking for, but both lack exporting functions. OASIS NYC and maps.nyc/gov Otherwise I can't locate this data anywhere in a format I can use in ...
0
votes
4answers
137 views

Searching free data source: Shapes of counties worldwide

I want to create a map with openlayers, that contains a vector layer, with all "counties" of all countries of the world. "County" doesn't mean any strict political term here. I just want to split the ...