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4
votes
1answer
222 views

Using remote sensing satellite for chlorophyll mapping?

Location of my research are reservoirs which have an area of 47 and 62 km2. I need a better image resolution than Landsat(Pan).
1
vote
2answers
55 views

Seeking data for urban and rural areas of United Kingdom?

Is anyone aware of any (commercial) data sets that divide the UK into urban and rural areas based on admin data (e.g. outcode postcodes) and/or physical data (e.g. eastings and northing or lats and ...
1
vote
1answer
290 views

Finding British Columbia township grid?

I'm looking for a shapefile of the Dominion Land Survey township grid for British Columbia. Where might I find this data?
1
vote
1answer
92 views

Satellite Images for the Mediterranean Sea Oil Spill

I am looking to obtain free satellite images to detect oil spills in the Mediterranean sea. What sensors would be most appropriate for this task and where can I download this type of data?
1
vote
0answers
377 views

Legend of CORINE land cover in ArcGIS 10.x layer file

I am looking for the legend of Land Cover (Corine Land Cover) for ArcsGIS 10.x. as a layer (.lyr) file. I want to symbolize the classes without setting the RGB color values one by one; especially for ...
2
votes
1answer
595 views

What does number of shapes does not match the number of table records mean when trying to repair a data source?

I'm trying to repair a data source on arc from a .shp file. Every time I match it with the correct .shp file it display an error message stating "Number of shapes does not match the number of record ...
0
votes
0answers
66 views

Zonal Statistics as Table having problems with Mosaic Dataset

I have a mosaic dataset of forest cover around the globe for the year 2000 (each cell's number contains the percent of forest cover in that area). I have randomly selected a large number of points ...
1
vote
1answer
47 views

Mapping carbon sequestration potential as green infrastructure function?

I have a small project where I have to do mapping of potential areas for carbon sequestration in the Adelaide Metropolitan area in South Australia. I have no idea what data do I need. So far looking ...
1
vote
1answer
239 views

Where can I find shapefiles for OECD Regions?

Does anyone know where shapefiles for OECD (Organisation for Economic Co-operation and Development) Regions might be found? The regions are defined in this document: http://www.oecd.org/regional/...
0
votes
2answers
295 views

World map with clear difference between land, sea and inland waterways

I'm looking for a free high resolution map that clearly indicates the land and sea in the world. I need it to calculate distances over sea between ports. Additionally it should also include inland ...
1
vote
2answers
143 views

Does a 'light' version of global OSM map exist?

I need a global map for my project, but without POIs and other unimportant objects for me. Only big cities and country borders. My project will work in offline network therefore I need a local server ...
1
vote
3answers
139 views

Source for wind energy potential for India in GIS format

I am looking for wind energy data (they can be wind speed at any height or wind energy potential) for India in a GIS format. Like the data displayed the link below: http://www.arcgis.com/apps/...
0
votes
2answers
63 views

Solar potential or irradiation GIS data for India

I am looking for solar irradiation data for India in a gis format. Like the ones on the link below: http://www.arcgis.com/apps/OnePane/basicviewer/index.html?appid=bf886ca471a54e2c9127a54f60d4ca27
1
vote
2answers
259 views

Is there a publicly available dataset that I can use that links 9 digit zipcodes with counties and states?

I have a dataset which has 9 digit zipcodes and I am trying to match these to the state and county FIPS codes. Is there a publicly available dataset that will allow me to do this?
2
votes
0answers
159 views

Clutter data - where to find for BC and how to convert to .grc

I would like to find a source of 30m or 90m clutter data for BC, Canada. Can anyone point me in the right direction? Preferably a free source. Is landcover synonymous with clutter? when ...
2
votes
1answer
2k views

Acquiring global wind data?

Where can I acquire global wind (speed and direction) data? Preferably in some kind of GIS format and free of charge.
9
votes
3answers
4k views

City shapefile for free

I am looking for a simple point shapefile which indicates where the cities of the world are. I cannot seem to find one which is free of charge and meets my requirements. Ive got this one: http://...
2
votes
2answers
224 views

Can't import certain tables from SQL Server to QGIS

This is a list of 193 zip codes and their geometries that do not import in QGIS. This is a list of 999 Census Block Groups and their geometries that do import in QGIS. This is the Add MSSQL Layer ...
1
vote
0answers
95 views

How to get the elevation of the complete sea floor?

I am not a cartographer, I am an analyst-programmer, I know nothing about SRTM, DXF, PostGIS, QGIS... I just saw those names in other questions... Is there a quick guide where I can learn about this? ...
1
vote
1answer
144 views

How to imbed lat/long geodata into GoPro 4K video

I'm looking for an efficient way to take 360 panorama video and imbed geodata lat/long into the video. I'd prefer to mount something like this http://www.360heros.com/ on a truck and drive down a ...
2
votes
0answers
49 views

Trimble pathfinder data dictionary default value exclusion

Is it possible to have a numeric attribute in trimble pathfinder without having to use a default value? I am trying to make a numeric attribute compulsory to fill in BUT because the data dictionary ...
0
votes
2answers
502 views

What are my options for geocoding a large dataset for free? [duplicate]

I'm a software engineer new to GIS and mapping systems. Recently I have been playing with ideas for applications built from the Center for Medicare/Medicaid Services 2012 cost dataset. It consists of ...
0
votes
1answer
86 views

Insert rows into CartoDB from code

I have a simple web page where I show my CartoDB map and a dataset. I want to know if there is any way to insert new rows into my CartoDB dataset from code, so external users can add points to the map ...
2
votes
1answer
321 views

Downloading USGS map of Nepal seen on New York Times website?

please take a look at NYTimes Nepal earthquake map The source is USGS and I spent a lot of time digging around their site... see usgs map download store and I am unable to find how you can download ...
2
votes
0answers
87 views

Northern Ireland open source raster?

Does anyone know if there is any open source data downloads for Northern Ireland, seems not as straight forward as rest of UK?
1
vote
1answer
124 views

Protected general and admin settings in GeoODK app

I was wondering how to prevent the user to change the general and admin settings of the GeoODK (android-collect)? I mean to be protected with a password, for example. I've tried to go to settings > ...
5
votes
1answer
106 views

Which system of units does the unit 'degree' belong to?

Let us say that I would like to store latitudes and longitudes like this: lat 35 degree long 80 degree Which system of units does the unit 'degree' belong to? It is not really a SI unit nor a ...
1
vote
0answers
163 views

Designing the Layout in opendata.ArcGIS.com

I am trying to build an open data portal through http://opendata.arcgis.com/, its all the rage right now and pretty exciting development from Esri. It is fairly new, but it has limited documentation ...
0
votes
2answers
573 views

Latest shapefiles of Indian states

I need shapefiles of Indian states that of 2011 which has almost 671 districts of India. Can anyone please help me?
4
votes
2answers
329 views

“Official” delineation of North American mountain ranges

I need to subset mosaics of remotely sourced data to the extents of several prominent North American mountain ranges, starting with the Sierra Nevada. After searching for the boundaries of the range ...
1
vote
0answers
67 views

Free heightmap dataset for Kraków, Poland?

Is there a freely available (governmental?) heightmap dataset for Kraków city (in Poland) with horizontal grid ~5m (or better) and vertical resolution ~ +/- 0.1m? Ideally, it would include building ...
1
vote
0answers
39 views

Where can I obtain data on flood sites, land sewage systems, and property value?

I am a college student trying to obtain this data for a class project. If anyone can help that would be great. Basically, my hypothesis for this project is that land sewage systems that have not been ...
0
votes
1answer
43 views

Is there a website that has collection of GeoJSONs? [closed]

I specifically look for GeoJSON for all dry lands in the globe.
0
votes
4answers
133 views

Where can I find/buy Civic Address Data for all of Canada?

I work for a company that is looking to buy all the civic address data for Canada. I've been Googling around and I have yet to find a solution that is not pay per request. We need it so that it can ...
-2
votes
1answer
83 views

Why don't shapefiles online contain the coastline (country borders)?

I have searched everywhere and Geofabric has the best packages of shps yet doesn't have the coastline of countries. I'm talking about the line that demarcates a country i suppose they are called ...
0
votes
2answers
273 views

Polygons of countries including territorial waters

Where can I get polygons (multipolygons) of all countries of the world including the territorial waters of the countries? OpenStreetmap displays these areas but I can't find an extract of this ...
1
vote
3answers
646 views

Looking for Employment Density Data: Employees per unit of area by industry by county (USA)

What I'm looking for something like this: http://www.bls.gov/cew/ew07fig20.pdf For those that can't see it, the second page of the PDF has a map of Employment density within manufacturing by county, ...
1
vote
4answers
111 views

Mapping UK river gauges / stations

Do you know a way to map all the river gauges / stations in UK? I found some data from the Environment Agency but it lacks of the longitude and latitude.
1
vote
1answer
56 views

Climatic data sets

I did a bulk download of climatic data from http://neo.sci.gsfc.nasa.gov/ in png format so that I will extract my ROI(Africa). After the download I loaded them in Arcgis and discovered they are not ...
1
vote
2answers
703 views

Where to download 4-band NAIP imagery for California?

I've been trying to find orthoimages with 4 bands for a couple of counties in California. I managed to download some from the GeoSpatial Data Gateway from the USDA (NRCS), but they all only have 3 ...
0
votes
2answers
108 views

How to download climate data

I just want somebody to help me with a link so that I can download global climatic data variables like temperature, precipitation, cloud cover etc
0
votes
1answer
87 views

GIS information on worldwide cases of wildfires?

I am developing some case studies on wildfire cases around the globe, some examples include California (2007), Australia (2009), Moscow (2010), Valparaiso in Chile (2014), and so on. I was wondering ...
1
vote
3answers
852 views

Downloading US Census data?

I'm in a introduction course for ArcGIS and I'm just starting to work on my project. I'm trying to create a map showing the relationship between poverty and education. I also want to try and present ...
1
vote
1answer
230 views

Where to download Mars DEMs and landcover?

I'm looking on the websites of the Mars Global Surveyor and the NASA sites, but all of the data is in jpeg or img form. Does anyone know where to find useful raster data sets for elevation and land ...
0
votes
1answer
81 views

Satellite imagery alternatives for land use/cover classifcation

Apart from Landsat imagery, which other satellite imagery is good for land use / cover studies and can be obtained free of charge?
0
votes
0answers
36 views

how do calculate nearest point in earth map with coords

I am having trouble calculating nearest point for another point with earth coordinates. I am particularly interested in calculating the intersection of linestring vector with earth coordinates. I'm ...
1
vote
1answer
93 views

How to change the data type of columns of a vector layer in qgis?

Is it possible to change the data type and attributions of data in qgis? Almost all of the variables which contains numbers should be changed in all of my vectors. In ArcGis the data type is ...
0
votes
0answers
657 views

API to find polygon for cities and administrative boundaries in India

I am new to GIS and learning basics by going through various forums. I am looking for a way to get polygon coordinates for any place (city, 2nd/3rd order administrative division) in India. I started ...
1
vote
0answers
42 views

Global temperature maps

Does anyone please knows where to get global surface temperature maps, yearly? I need separate map for each year from 2002 to 2012 shows the average surface temperature over the globe, would be great ...
1
vote
2answers
126 views

ArcGIS Terminology and Data Types

What is the difference between a "Feature Class" and an "SDE Feature Class"? Or a "Table" and an "SDE Table"? When browsing data in ArcCatalog, hosted on the same enterprise gdb, I see these data ...