Questions about obtaining data.

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4
votes
2answers
87 views

Download MODIS data for Mexico

I would like to download MODIS npp images for Mexico but I cannot figure out which files correspond to the country. How can I associate each tile to its location without looking at the million of ...
1
vote
1answer
43 views

How to derive Z-score values for a given field

I have a shapefile with an attribute field with a range of numerical values. I would like to derive z-score values for this field within ArcGIS. Any tips?
0
votes
1answer
37 views

Best data for demonstrating world poverty on Mollweide projection

I am overwhelmingly failing at finding data about global poverty that is any more specific than at the country level. Because poverty has such a wide definition I am open to really anything that is an ...
9
votes
3answers
423 views

PostGIS (2.0?) - Native Versioning of the Datastore

I recently have been surprised to see there are not too many solutions at all discussing the best methods of versioning datastores which are made available for editing. I am looking for a robust, ...
0
votes
2answers
66 views

Where is it Possible to Find DTED0 Set?

As I understand, DTED0 should be available for free. Yet, I am not able to find any download link. Everything that Google search brings up (eg. http://geoengine.nima.mil) is dead and not working.
0
votes
1answer
18 views

downloading data from UNdata onto ArcGIS 10.1

http://data.un.org/Search.aspx?q=population I am trying to download data from UNdata and successfully opened one link of raster data, however the data that I really desire won't open on Arc. I hit ...
0
votes
1answer
41 views

Obtaining DTED1 or 2?

I've been looking around the internet and I can find freely available DTED0, but I am struggling to find databases for DTED1 or 2, even to purchase. Can anyone point me at a place that sells these ...
4
votes
7answers
2k views

What is the best way to change a data type in the ArcGIS attribute table?

What is the easiest way to change the data type in an attribute table in ArcGIS for multiple fields? Say if the fields have been exported as a string from Excel and I would like to use them as ...
3
votes
3answers
879 views

How to transfer data from spreadsheet into shapefile?

I am looking at Deprivation in the UK and there is some good data in the form of spreadsheets on this website http://www.communities.gov.uk/publications/corporate/statistics/indices2010 I would like ...
1
vote
3answers
67 views

Is there an OSM High Level Dataset (pbf) available?

I'm currently trying to setup an offline Nominatim geocoder VM and I only need to have access high level data (countries, states and cities). Is there an OSM high level dataset (.pdf package) ...
5
votes
2answers
101 views

Alternative to Spatial Query on large data

I have around 110000 points data spread around the world. the shapefile size is 116 Mb. I want to select points which are inside asia. I have been using qgis but this time qgis is not being able to ...
0
votes
1answer
106 views

Where to find geojson for uk?

I want to get the GeoJson for UK.The regions which i require are in the map displayed on clicking the below link. http://www.apho.org.uk/resource/view.aspx?RID=50213 I have been searching the net but ...
2
votes
2answers
4k views

Detailed Bathymetric/Bathymetry contour data (0-200M)

I am looking for free Bathymetric contour data in shapefile format for depths between 0-200 meters for North America. I prefer contours at 10 meter increments, but will take whatever I can get. I ...
2
votes
5answers
188 views

Where can I get high-resolution (at least 1 foot) imagery of California?

Is there a national site or state site that will allow me to download High Res (1') aerial imagery of California? I have tried Cal-Atlas Download but they are at one meter. I have also tried USGS ...
0
votes
0answers
19 views

Error while importing data from GSHHS_f to MySQL database

I'm doing a summer project on geospatial development using python and I've been following the book Geospatial Development Using Python by Packt Publishing. The thing is, I've tried to import the GSHHS ...
0
votes
0answers
29 views

GPS positional, and quality data collection using QGIS

I was wondering if it was possible to record the position along with some of the quality control data in a table when using the GPS information functions to collect some mapping data. I would like to ...
0
votes
1answer
61 views

How to simplify shapefiles without losing attributes?

I want to simplify a huge shapefiles using mapshaper. However whenever I simplify the shapefile I loose a lot of data attributes. how can we simplify the shape files while retaining at least some of ...
0
votes
2answers
85 views

How to disable Layer Preview in geoserver, which is available by default for public?

I am using geoserver for publishing my spatial data. The problem I am facing is, Any public user can download my spatial data without my permission using default URL of geoserver. This is obviously ...
0
votes
1answer
65 views

Want to get an SHP file for my coutry Algeria

H everyone , i'm running a clustering test on my country with R, but the problem the clustering doen't look good because of the map i have, i hant to get a bigger map of my country 'ALGERIA' in an SHP ...
0
votes
1answer
57 views

Simple georeferenced 3D data format for building models

I am looking for a simple georeferenced 3D-data format to store very simple building models. Each building should be represented as a number of poylgons, semantics do not matter. It would be ideal if ...
1
vote
2answers
48 views

Remove unneeded columns from geographic data file?

I have some GML data that has some unneeded columns in it. I'd like to remove these columns in order to reduce the file size. (To clarify: I mean that the file has many points in it, and each of these ...
0
votes
1answer
41 views

How can I add data from Points to Polygons (intersected or near) in ArcGIS 10

I'm using ArcGIS 10. I have a Point and a Polygon shapefile. The Points have a NAME field filled, and the Polygon the same but emptied a minority (350 out of 3000). I need to catch these names from ...
2
votes
3answers
39 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
43 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
65 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
4k 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
139 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
49 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
35 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
160 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
408 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
40 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
35 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
3k 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
80 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
73 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
99 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
614 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
130 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
3k 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 ...
2
votes
0answers
26 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
200 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
197 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 ...