Questions about obtaining data.

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3
votes
1answer
126 views

Where to get the modern Constellations as a vector File?

Does anyone know where I can get a vector version (shapefile/TAB) of the modern star constellations for the entire sky? Wikipedia has a SVG - ...
0
votes
1answer
100 views

Is it possible to get the positions of all the stoplights for a given area?

I would like to know if there is a database of longitude and latitude values that locate all stoplights for a given area in the US like a city or a state? How would one go about obtaining this info? ...
3
votes
1answer
143 views

How do I figure out the longitude and latitude coordinates necessary to create a circular 1 mile radius around one location?

How do I figure out the longitude and latitude coordinates necessary to create a circular 1 mile radius around one location? I don't mind how many coordinates that takes. For instance: Latitude = ...
0
votes
2answers
44 views

United States City/State comprehensive database [duplicate]

I have been searching online for a comprehensive record of all Cities by State in the United States. When I searched I found some dead links to old data sets. My question is, where is the best place ...
0
votes
0answers
43 views

QGIS - Is it possible to Animate Polygons based on column values? [duplicate]

If you have an number of polygons with numeric data across 4 attributes/columns, you can display the data for one column but can you automatically cycle through the values for other selected columns? ...
3
votes
1answer
250 views

Export multiple layers in ArcMap 10.1 and change each layer's source to exported data

A client has requested the MXD and relevant data for a particular map. The file contains over 40 layers across multiple data frames and references multiple geodatabases and shapefiles. Is there a ...
0
votes
0answers
21 views

Point of Interest coordinate data base

Can any one help me to find data a database for Points of Interest (with coordinates) for countries in Europe? I got some data from POI PLAZA, but I am not getting sufficient data for Scandinavian ...
2
votes
0answers
56 views

Generating Tiles for Non Geographic Datasets [closed]

Excuse my ignorance if this exists. I don't think I've seen a website ever using something like this. Have tools been developed that use general tiling methodology to implement non-geographical data ...
2
votes
1answer
74 views

Why am I losing part of my raster when I reproject?

QGIS 2.0 Working with tiff raster file. Reprojections are in WGS84 Mercator. Here is my problem: I am trying to use buffers or urban areas to analyze light intensity on a raster layer. I want 30 ...
0
votes
2answers
75 views

How to programmatically fill a datetime field with datetime.datetime.now() function

I have been trying to programmatically fill a datetime field using values coming from datetime.datetime.now() function. #I create the temp shp using a URI URI = ...
0
votes
0answers
54 views

Looking for USA roads traffic load data

I would like to make a map of the USA Roads with traffic load data (I don't care if it updates monthly , quarterly...) in order to analyze location of customer's shops (they sell vehicle parts and ...
1
vote
1answer
35 views

Plugins to guide inexperienced users: updating shapefiles and managing data

I am attempting to find a way to block adding features while certain attributes are not yet added. This would be useful in order to guide inexperienced clients and employees with the process of adding ...
3
votes
1answer
213 views

Why am I unable to download Landsat 8 geotiff data from the USGS site?

I seem to have an issue with not being able to download geotiff Landsat 8 data from te USGS site. After i find the image i would like to download and proceed to download the Level 1 geotiff option is ...
0
votes
1answer
37 views

Sources for long-term NDVI datasets with coverage to west Asia?

I'm in need for long-term NDVI dataset for my research in bio-climatology, looks like GLCF GIMMS are no longer available online, any suggestions/workarounds to get the data. Thanks in advance.
1
vote
0answers
35 views

How to Symbolize by creating tables containing different values (items) and with particular colors?

I work with ArcGIS Desktop 9.3. I want to illustrate my data for water sampling at different points in streams. I would like to illustrate a chart or a board for each point that would countain more ...
3
votes
0answers
85 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 ...
0
votes
2answers
71 views

How to maintain many-to-many relationship between feature class and table with multiple disconnected editors?

I have an application coded with VB.NET (ArcGIS Engine) and its functionality is: digitize a parcel and enter information for its owners, so i have a M-N relationship between them. every parcel has ...
0
votes
0answers
48 views

Los Angeles Public Parking Lot Polygons?

So, I'm looking for some relevant data to incorporate into my map, and one of them is public parking polygons. Is there such a .shp file with these data?
9
votes
3answers
208 views

Free and global basemaps for download

I'm pretty sure that a lot of people might have faced the situation where they search the internet for geographical basemaps on a global scale but can't hardly find the needed data in a short time and ...
0
votes
1answer
124 views

Targeting capital cities only in Tilemill/CartoCSS

At a specific zoom level in my Tilemill map, I want to only show capital cities, and hide all other cities. What data set could I use which will provide me with information oh whether a city is a ...
2
votes
5answers
92 views

Linking demographics data to zip code, census data

Where do I find population data to link to DMA / MMA or zip code? I need to be more granular then state. Any free data source? ArcGIS?
2
votes
4answers
102 views

UK road network dataset

Can anybody guide me to a website or a source to download the Geographical UK road network data set. The data set should include the road distances, since I want to apply shortest path search ...
0
votes
0answers
62 views

Update a NetCDF file using GDAL

I have to edit a NetCDF file using GDAL in C++ code. When I try to update a subset I have this error message: ERROR 6: The NETCDF driver does not support update access to existing datasets. How can ...
3
votes
2answers
144 views

Mapping Rainforest Deforestation in Peru

I'm working on a project on the the rainforest deforestation in Peru. This is related to the work of http://www.coolearth.org/our-mission but I am not affiliated with the organization. I'm hoping to ...
1
vote
1answer
110 views

Where can I find shape file (free/open source) for all country . at admin 2/3 should cover major districts/towns

I need to download shapefiles for all country from which i need to genereate topojson for around all countries. currently I am using data from naturalearthdata.org which only provides Admin 0 ,1 for ...
1
vote
1answer
166 views

Upload / Import to GeoServer

Can I upload a shapefile to the GeoServer Import Data page, or does it only import data locally on the server? When I click Browse to select the data to import, it seems to only browse the server ...
1
vote
0answers
101 views

Dubai - Sector/Community GIS SHP Data?

Where can I download free or open access GIS/SHP file datasets for Dubai, including their respective spatial boundaries? If these might not be available, where can I find a map outlining the Sectors ...
2
votes
3answers
297 views

Where can I find a list of states, districts and tehsil names in India?

I need only names for making a chained dropdown list for users to select location correctly and submit the data. Please provide any resources. I emailed censusindia.gov.in but no reply from them.
2
votes
1answer
73 views

Flood records/database in Europe

Anyone knows where I can find a complete* database with the historic flood occurrence in Europe, at least since the 70's ? I am looking for some information on the date, number of floods*, amount ...
1
vote
0answers
37 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 ...
0
votes
1answer
155 views

Adding additional columns of data to CartoDB table? (in-place / no merge)

Is there any quick way to add some data to a table without either a) merging / replacing the whole thing or b) having to do it one cell at a time ? example: i have a table loaded now with the ...
1
vote
1answer
43 views

Acquiring road labels

So this is a data acquisition questions: I have data retrieved from OSM, QGIS2.0. It's a region of Qatar. Of the 13 thousand or so roads, I only pulled in about 1 thousand road names. The roads do ...
1
vote
1answer
80 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? ...
0
votes
1answer
44 views

Where can I find human migration data? [closed]

I am looking for data to create a flow map. I need data showing the migration of people either within a country, or internationally.
0
votes
1answer
135 views

QGIS 2.0 Howto copy raster data from a QgsRasterDataProvider to an OpenCV matrix

I'm hacking the half day arround a problem and that I' thought it was simple one. I'm using C++ (QtCreator) QGIS 2.0 und openCV2 on an 64 bit Workstation runnig Debian Wheezy. The Application I try to ...
2
votes
1answer
75 views

Can adding entropy to a copyrighted spatial data make it a new dataset?

I have a dataset of building polygons that is copyrighted. Say I applied some random noise to every point in each polygon, is there a theoretical measure at which the initial dataset is no longer ...
0
votes
0answers
205 views

Mosaic Dataset would not show raster unless you zoom in further to around 1:2,500 scale?

So when I make a copy the Mosaic Dataset File GeoDatabase to my external hard drive and then copy it to my computer. It would show the checkerboard at the full extent but when you zoom in it would ...
3
votes
1answer
46 views

How do government agencies come up with their data dissemination policies (and fees)?

Recently I was looking for data for a county. The county GIS staff shared some data with me with a nominal fee, provided that I send in a signed copy of their GIS Disclaimer Form. I also found a ...
2
votes
0answers
141 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 ...
0
votes
1answer
111 views

Where to find POI data for places of worship (e.g. churches)?

I am looking for free U.S. state-wide and/or county-wide shapefiles that include geographic locations for places of worship. Examples include churches, temples, synagogues, and mosques. In other ...
1
vote
1answer
130 views

How to Plot Every Other Address on Street?

I have no idea if this is even possible. We run a Utility software company and need to know where to put the leak sensors. The sensors are put at either every other house or every two houses depending ...
2
votes
1answer
92 views

Handle a great amount of Markers with OpenLayers

My general Problem is to maintain a lot of markers. For the beginning I want to display all Bus Stops of Berlin, Germany and surroundings as Markers. I already got that I have to use a strategy like ...
2
votes
2answers
147 views

Are there better climate data than Worldclim for Europe?

I am looking for the best available climate data in Europe. Worldclim seems to be the best source of information for global data, but I am wondering if there is a higher resolution (better than 1km ...
2
votes
1answer
143 views

How to make icon marker size variable depending on data value using CartoDB?

Is there any way in CartoDB where I can make the size of individual icon markers, visualized on a CartoDB map, variable and set according to its data value in a given data range? Similar to the ...
-1
votes
1answer
92 views

Extracting area with a range of lat long?

Is there any online tool to extract a certain area with a range of lat long? I'd like to overlay some locations on a map. To do so, I need a map whose range is specified so that I can determine the ...
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
1answer
233 views

How to source the boundaries(latitude/longitude) information for US states, cities, Zip level

I am trying to color code the states, cities, zips differently based on certain parameters. As the user zooms in they should be able to see the different colors dynamically painted on the maps. Was ...
1
vote
1answer
136 views

Help me to visualize polygon and point data [closed]

As part of pilot project, we have collected basic/rudimentary Household survey in one district. We have both Polygon and point data.Attributes of the database include, No of people living in the ...
1
vote
0answers
19 views

Similar paths to Compare [duplicate]

I want to implement a mechanism to compare similar / identical paths. For example, a person who makes the trip home - work every day, be able to detect these paths and create groups to compare ...
1
vote
1answer
72 views

Retrieving lost data from QGIS

I'm trying to help a friend retrieving QGIS data from a formatted drive. Finding the .qgs project that was saved on the desktop is no problem, but it seems that there is no actual data located in ...