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7
votes
0answers
554 views

Touristic poi-data (api or dump) with popularity measure

I'm looking for freely available touristic (hotel, restaurants, bars, attractions, etc.) poi-data that have some measure of popularity. With popularity I mean, explicit popularity like on ...
3
votes
0answers
43 views

Mapping methodology and/or clustering technique needed

I have a scenario in which I have two service centers (A & B) in an area. The capacity of these service centers are different. Service Center A can serve twice as many as Service Center B. They ...
3
votes
0answers
146 views

Import GPS SINEX (for velocity analysis) into Sarscape or processing with others software

I try to import GPS snx. into Sarscape 5.2 (use GPS Import tool) and getting error 115) ) gps_type : [sinex] 116) ) generate_kml : [OK] 117) ) generate_shape : [OK] 118) ) ...
3
votes
0answers
27 views

Guide to aerial or space data types and availability

I am overwhelmed by the variety of types of satellite and aerial data (images?) available online. For example, at the USGS Earth Explorer data page, I see AVHRR; CEOS;Ikonos and OrbView; EO-1; GLS; ...
3
votes
0answers
145 views

Lake Victoria bathymetric data

I am trying to find bathymetry for Lake Victoria (or portions thereof). Any GIS format and almost any resolution will do. As a last resort a hydrographic chart will suffice.
3
votes
0answers
99 views

Where do I find official summit elevations found on USGS topo maps?

I'm creating topo maps for my day hikes guides for national parks. I've already done one for Glacier National Park. When I was working on summits, I downloaded the data for Montana from GNIS and when ...
3
votes
0answers
1k views

Downloadable, Open Source, IP GeoLocation database

I have an open source project I need a similarly open source IP GeoLocation database for. i.e. IP address to country (and ideally city). Ideally with a license that allows redistribution. This is a ...
3
votes
0answers
28 views

Ontario Buildings Data

I am looking for a buildings layer for Ontario, particularly the Chatham-Kent area to properly assess setback for wind turbine development in the region. Currently, I am utilizing the buildings data ...
3
votes
0answers
106 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 ...
3
votes
0answers
125 views

Septic Tank Location Data for the Southeastern United States

I am compiling a database of septic tank locations to make some rough estimates of the magnitude of return flow to the groundwater system for the Floridan aquifer system. Ideally I would have a ...
3
votes
0answers
247 views

Where can I get free nautical route planner Data?

Please read - and understand - before closing; I do not yet have an answer. Thanks. I made a mistake. I phrased my original question so that it could be answered by recommending an application. It ...
3
votes
0answers
213 views

Advice on colour balancing a SPOT5 ArcGIS Mosaic Dataset

All, I'm working on a project using satellite imagery of a large braided river. I've been provide lots of SPOT5 images (that overlap). I've created a geodatabase, created a mosaic dataset, added the ...
3
votes
0answers
235 views

How to merge SeaWiFS and MODIS data or use other merged products?

I hope to produce a time-series for sea surface temperature (SST) and chlorophyll-a (Chl-a) for use in MaxEnt without the use of arcgis, preferring Python tools to others. I am new to satellite data ...
3
votes
0answers
410 views

Are there any shapefile-based GPS data recorders?

I am looking for a data recorder that can be programmed to send a serial data request to a field computer and then accept and record an incoming data string and tie it to GPS location and then save ...
3
votes
0answers
103 views

Determine the Degree of Data Lossiness when Converting Data

I'm working through some of the ESRI tutorials on Data Interoperability and it briefly mentions the issue of data conversion being a lossy process. Some questions that come to mind are: What is ...
2
votes
0answers
21 views

Differences between mWm-2sr-1(cm-1)-1 and W/m^2 * sr * um

I'm confused about the use of this quantity. For example eumetsat in pag. 16 radiance is equal to: Physical Units = Cal_Offset + (Cal_Slope x Level 1.5 Pixel Count) (expressed in mWm-2 sr-1 (cm-1)-1 ...
2
votes
0answers
27 views

UK Postcode and London destination

New to this site... I'm working with Postcode regions in the UK and was wondering if anyone know if there is a dataset which give you postcode region and the most likely station destination within ...
2
votes
0answers
37 views

Wanted: A rather large DEM

I am looking for a rather large DEM --- on the trillion cell scale --- to run some tests on. So far, I have found: 200 billion cells: The SRTM Global Dataset 30m DEM 120 billion cells: The National ...
2
votes
0answers
27 views

Pre-1998 Indonesia Kabupaten (Level 2) Shapefile

I am trying to find some "old" (pre-1998) Indonesia boundary files at the Kabupaten and province levels. It is important that they are pre-1998, or at least dating before the peak of the secession of ...
2
votes
0answers
35 views

Clip and Zip Coordinate system options Geocortex

I have the standard geoprocessing service, Clip & Zip, which references a spatial reference folder containing various coordinate systems (in prj). The service works in geocortex via the standard ...
2
votes
0answers
92 views

High Resolution Terrain Data for the Philippines

Where can i download Philippines terrain data that is better than the 30 m ASTER global dataset?
2
votes
0answers
59 views

Free vector data on paved roads in Africa

I have recently come across vector road data from the Africa Infrastructure Knowledge Program (http://www.infrastructureafrica.org/documents/list/roads). I found these data helpful for three reasons: ...
2
votes
0answers
51 views

Building customized data set from American Community Survey data?

I am trying to create a database in SQL Server with a customized dataset containing census information from the American Community Survey content available online. I want to show a granularity in my ...
2
votes
0answers
43 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 ...
2
votes
0answers
208 views

India Block Boundaries

I know this has been asked before (Where can I find block (sub-district) level boundaries for India?) and it seems it is still not possible to get better than district level data as a shapefile, but ...
2
votes
0answers
94 views

Best Road Data (for NE U.S.) for Local Network Analyst

My current network dataset is utilizing North America Detailed Streets Layer Package, however, I would like to try out some other road networks to compare the the results. Would need the road data for ...
2
votes
0answers
52 views

How do I anonymize postal addresses?

I want to create an archive of mail I receive and send. Part of my goal is to provide public statistics about this archive, like a world-map with a pin for each location I sent mail to or received ...
2
votes
0answers
230 views

Looking for high resolution land use (not land cover) data sets for world?

I am looking for high resolution land use data sets for the world. This question is NOT to be confused with an earlier question - Equivalent of CORINE land cover data sets for rest of world which ...
2
votes
0answers
453 views

Marine Traffic Routes Data Set

We are planning to implement a routing application to monitor marine traffic. The issue is that we either need a data set that has international sea traffic routes data or a clear definition of it. ...
2
votes
0answers
50 views

Dataset in NJ, US

I need datasets in shapefile format including roadbed, building footprint and building roof height for Jersey City, NJ. I checked everywhere I could online. State, county and local GIS departments, as ...
2
votes
0answers
32 views

Wind Data for Newfoundland or New Brunswick

I am looking for wind data at an elevation of 100 metres for Newfoundland and New Brunswick that I can potentially bring into ArcGIS 10.2.2 to augment my wind turbine siting process. Any information ...
2
votes
0answers
80 views

Historical US zip code allocations and locations?

Is there a data source available that has the full history (right back to the 1960's) of each US zip code? By history I mean, for each zip code: the date it was created, if later than 1 July 1963, ...
2
votes
0answers
761 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
0answers
61 views

How to maintain the data at XML document after changing schema with Diagramer?

After exporting XML with schema and data I did some changes to the schema with ArcGIS Diagramer. now i need to import the new schema and all the data to a new empty file GDB. what are the best ...
2
votes
0answers
452 views

How do I capture data from an OBD-II device?

So I happen to have a little bit of web experience, and have recently bought an OBD-II device. Basically, I'm trying to log certain metrics from the car, such as location and other diagnostics. I ...
2
votes
0answers
44 views

Where to download shapefile of 2km DINTY Tetrad squares for UK?

does anyone know where I can download a shapefile of 2km DINTY Tetrad squares for the UK please? A google search wasn't very helpful so I thought I'd try here. A Tetrad is derived from the British ...
2
votes
0answers
170 views

AIS Data Transformed or CVS Format

I am looking for AIS Shipping Route Data. I have not had much luck finding it in either SHP format or even in CVS format does anyone have a real good source of finding this type of data? To add to my ...
2
votes
0answers
112 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
0answers
168 views

How to populate ESRI GeoPortal programmatically?

I'm trying to find either some documentation or an example of how to manually populate the GeoPortal metadata datastore. I'm using a MySQL backend. Given a ISO XML file I can manually harvest it but ...
2
votes
0answers
182 views

Data source for 3D buildings (germany)

I'm searching for a data base or webservice, that provides buildings at a level of detail (LOD) of cuboid (length,width,height) or roof, corners, etc or better. The area should cover germany. ...
2
votes
0answers
159 views

How does integrate work with point data sets?

I'm trying to combine point data into clusters and I think I've come up with a method that will work for what I want to accomplish. However, I don't understand why it works the way it does and I'm ...
2
votes
0answers
512 views

Creating a sidewalk map for a walkability survey

If I wanted to do my own walkability survey of my city, what tools could I use? I have map data from OpenStreetMap, but I have to consider that streets have two sides (which aren't always accessible ...
1
vote
0answers
9 views

Not able to progress past loading CSV in New Dataset dialog

We're getting some strange behavior in the connect dataset dialog, where, once we've selected a CSV file for upload, we get no button or feedback to continue the process. screenshot Anyone else ...
1
vote
0answers
27 views

Obtaining data from Ukraine cadastre?

I'm looking for some cadastral data from Ukraine: orthophoto maps with good quality and vector cadastral parcels for this area (Ukrainian name: Битень, Район Ковельський) . I found Ukraine cadastral ...
1
vote
0answers
21 views

how to obtain world seafloor geomorphology layer/raster

This article http://gizmodo.com/heres-the-most-complete-ocean-floor-map-ever-made-1750109568 references an updated world ocean floor map. Where is it possible to obtain a raster layer to display in ...
1
vote
0answers
35 views

Getting historical administrative boundary GIS files for India?

I am currently working on a project for which I need to get GIS maps of India at a district-level in the 80's and 90's. India's district and state boundaries have changed considerably over the time ...
1
vote
0answers
42 views

Line to Polygon Spatial Join

I understand how to join these two, however, I am having some issues. I am attempting to join a set of lines to a polygon that I have drawn. I want the polyline attributes to join to the limited table ...
1
vote
0answers
44 views

GIS shapefile of corporate headquarters located in the US?

I am conducting MSA (Metropolitan Statistical Area) level analysis where I am tracking the number of corporate headquarters in the top 50 MSAs from 2000 to 2014. I am looking for a shapefile like this ...
1
vote
0answers
41 views

Cooling Tower Geodata in Colorado

I would like to explore outbreaks of Legionnaires disease in relation to cooling tower locations. This work would be confined to Colorado, potentially even just the Denver metro area. I am wondering ...
1
vote
0answers
20 views

Inserting search box using dataset column using CartoDB?

I have got some problems to add a search box that can runs searching points from a column of my dataset. I've read this article: How can I link the search box to a dataset column in CartoDB? but ...