1
vote
1answer
22 views

latitude longitude into corresponding location in a image

I have an image , some data on this image, some data on the camera that took that image and a piece of code. And i'm trying to find the location (Px,Py) in the image from (lat,lon). my problem is ...
0
votes
0answers
6 views

Select points near polygon in Postgis

I'm trying to make an spatial query but I think something is wrong with it: I have two tables, places (point) and cities (polygon) When I tray to get the points within 500m to one point, there is no ...
0
votes
1answer
13 views

Evapotranspiration in Modis

I need the Evapotranspiration data for my study (The study area is located in Australia). Somebody told me maybe I can use MOD 16 MODIS actual ET estimates. I could not find this data on earth ...
3
votes
2answers
290 views

Where to find Vietnam administrative level 4 shape file?

I am new to mapping, and would like to make a custom map using Vietnam's administrative boundaries shape file. I found a great source at gadm.org, but it is licensed for non-commercial use only. I ...
2
votes
2answers
34 views
+50

Converting shapefile from Shift_JIS to UTF-8 when the usual methods fail

Long story short, I'm trying to import this ESRI shapefile of Japan into CartoDB. (Sorry, no direct link: to download, click on the orange ファイルのダウンロード button, check 同意する to agree to the T&C, then ...
0
votes
2answers
308 views

How to troubleshoot cartodb windshaft?

I installed CartoDB on a digital ocean instance of Ubuntu 12.04. I am able to log in and import data. Table view is fine, but map view does not show tiles with the message "There is a problem with ...
0
votes
0answers
4 views

Querying ARCGIS to find feature having specified point

I am trying to query features by point, so that it returns a feature that CONTAINS the point given. With the screenshot below, you can see that inspite of giving all the fields correctly, the server ...
1
vote
2answers
11 views

Spatial Join Error Python in QGIS

I got this error message when I tried to do spatial join. An error has occured while executing Python code : Traceback (most recent call last): File ...
1
vote
0answers
11 views

How to split a line in segments of a given length?

How can I split a (poly)line in segments of a given length in cartodb? I want to be able to visualize segments of street, each 4m long, following the road curve. One way would have been to trace the ...
0
votes
1answer
9 views

why use geoserver layername workspace prefix?

I am using openlayers to consume geoserver. I have created a geoserver WMS layer and preview it. var tiled = new OpenLayers.Layer.WMS( "GIS:pipelines - Tiled", ...
1
vote
1answer
13 views

QGIS: digitized object disappear when filling in attributes

When digitizing, for example a point, the attribute window opens for you to fill in the pre-defined columns/information. But no point is shown in the map while you do this in QGIS 2.6. It was shown in ...
1
vote
0answers
5 views

How to harvest a thredds server correctly with geonetwork?

I am trying to harvest datasets (NetCDF) from a thredds server using geonetwork 2.10. People shall upload their NetCDF files to the thredds server and the CatalogScan element will list them. After the ...
0
votes
0answers
3 views

Any other FuseSearch.js examples in Leaflet?

Have been researching about using FuseSearch and using this example. The only difference is that am using polygons.Its working well but not highlighting polygons on results click. Has anyone done a ...
1
vote
3answers
60 views

How to get extent of multiple geometries?

I can query a geometry extent like this: select ST_Extent(geom) from tableName; But sometimes I am querying geometries more than one. I am getting 5 points that different locations. So I wanto to ...
0
votes
0answers
8 views

Supposing Google uses GTFS format for Directions service, how does it represent the actual bus route?

So I am actually taking a look right now at Google's GTFS format for public means of transport. But frommy point of view, I can see information included about the position of the bus stops, and soem ...
3
votes
3answers
428 views

which map projection should I use to calculate distance in Poland

I'm using/learning geodjango + postgis, and I'm trying to calculate distance between 2 cities in Poland. First using WGS84/4326 I define 2 points, and then after transforming this points into ...
5
votes
5answers
1k views

Where can I find municipal-level administrative boundary data for Poland?

I am looking for municipal-level administrative boundary data (NUTS 5) for Poland. Since it is public information, I thought the data would be readily available, but I can't seem to find it anywhere. ...
1
vote
0answers
12 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 ...
0
votes
0answers
10 views

Land use Models and Open source software software for land use Simulation

I need to do a land-use future prediction so I have classified my study area into 4 classes: Urban Barren Surface water bodies Vegetation Now I have to find the feature land-use prediction. My ...
0
votes
1answer
391 views

Leaflet geoserver wms doesn't show on google map base layer

I have a site running Openlayers (base layer google and overlay wms in epsg4326 from geoserver). The site works fine. I've decided to try doing the same with leaflet , and from some reason I can't ...
2
votes
0answers
35 views
+50

How to configure a available feature types in GeoServer using python gsconfig

How to configure a available feature types in GeoServer using python gsconfig? I have created work space and data store using gsconfig. Now , how i can configure available layers in a exist data store ...
1
vote
0answers
16 views

keep .JPG georeferencing from ArcGIS to QGIS

I have the same issue explained in this post: How to keep georeferencing from ArcGIS when importing raster into QGIS? but my problem is with .jpg file. I have georeferenced with arcgis 10.2.2 many ...
2
votes
1answer
24 views
+50

Generating vector tiles with Mapnik

Is it possible to generate Vector Tiles using the 2.2.0 Mapnik release? If so, please give a sample configuration or point to an example.
2
votes
2answers
83 views

How to handle coordinates accuracy in ArcGIS

I am creating very basic rectangular polygon using very basic a Python code nCols,nRows=100,100 corners =[[0,0],[0,nRows],[nCols,nRows],[nCols,0],[0,0]] ...
0
votes
1answer
16 views

How to make transparent WMS vector background in QGIS?

I have a WMS vector layer added to QGIS desktop. But the background is not transparent - it is white. How to change that? When I add this WMS to ArcGIS - all is just fine. Here is the WMS link: ...
0
votes
0answers
4 views

Pivot/Cross-tab from MS Access to PostgreSQL

I have read a lot about crosstab and so on and how to create them in PostegrSQL, but I can't really figure it out how to adapt this (from MS Access): TRANSFORM Sum(L007_tot_Lega.Ton2013) AS ...
3
votes
1answer
242 views

How to store data for gis system?

I'm developing a GIS solution using Postgis database and geoserver as web map server. The solution to develop will analyzes the defects (as a polygon) and process parameters values (as a linestring) ...
0
votes
1answer
9 views

Get Shape Type of Several Shapefile with If Statement

Can you loop over a series of shapefiles with a if loop and either copy them or not? Existing code... import arcpy import os arcpy.env.workspace = r'c:\Shapefiles' outWorkspace = r'C:\Output' ...
0
votes
0answers
4 views

Qgis print composer and label with svg background

I have a problem with labels in qgis. I'm using a background svg for some labels (street numbers). In qgis it's all ok but when I use the composer there is a bug (I suppose), because I see some ...
0
votes
0answers
10 views

“undo” action on OL3 measuring control

Is it possible to add "undo" action on OL3 measuring control? I mean, during the measuring steps, I want to undo some point. Thanks
0
votes
1answer
14 views

raster to point in batch mode using Python

I have a list of raster files in tiff format and I want to convert that tiff to point using raster to point conversion (tool of ArcMap). This tool will convert the raster into a point shape file. I ...
1
vote
3answers
1k views

How to get Native Bounding Box minx,miny,maxx,maxy using openlayers?

I am trying to develop GIS application using GEO SERVER and OPEN LAYERS i want to get bounds from geo server Native Bounding Box data of a layer instead of manually hard code var map; var key ...
1
vote
0answers
11 views

What subscription level should I choose in CartoDB to publish a global map?

I am compiling a quote for a client in which I intend using CartoDB within a WordPress website to highlight locations on a global map with pop-up info boxes for each location. It is not clear though ...
1
vote
1answer
12 views

QGIS raster GeoTIFF file covert to kml?

I have a NDVI image, which I Geo-referenced in QGIS (raster). Now I have to open the image in Google Earth - how do I convert the GeoTIFF raster file to a kml file in QGIS, so that I can open the ...
1
vote
0answers
20 views

How can I change Java version for QGIS?

I have a custom made plugin for QGIS, which uses Java JDK (running on Win7x64). If the JAR file is run through command prompt, everything works great, but when the same command is used in plugin, it ...
0
votes
0answers
7 views

map doesnt shown up in css page

I use postgreSQL 9.2, postgis 2.0 and 2.1, pgrouting 2.0, and I connect it with css page (localhost) but the map from pstgreSQL database doesnt shown up, can anybody help me? MAP NAME PADANG # ...
0
votes
0answers
12 views

qgis raster calculator unexpected type long

I am trying to do a very simple multiplication of a raster using the QGIS raster calculator but repeatedly receive the following error: Traceback (most recent call last): File ...
0
votes
1answer
11 views

How to set Server path in GEOWEBCACHE_CACHE_DIR

I need to set server path in GEOWEBCACHE_CACHE_DIR inside Tomcat -> GeoWebCache -> web.xml. The cache directory is on different server. I need to give IP/machine name and then the location. How to ...
0
votes
1answer
5 views

What causes v.net connect “Failed to find intersection segment” and how to fix it?

In GRASS 7, when running v.net connect, I get the ERROR: Failed to find intersection segment and no output is generated. The only mention of this error Google found is in the source of connect.c What ...
2
votes
1answer
19 views

Interpolation code with Mapbasic

I have a drivetest data, and usually I do an interpolation using the values taken in the drive with their respective lat/long. I use natural neighbor. You can see an example attached. I am trying ...
1
vote
1answer
14 views

cartodb - understanding private “with link” visualizations

We are creating web dashboards for a small number of customers (~5) in which each customer can view private business-related statistics. We want to embed some visualizations inside the dashboards. ...
1
vote
2answers
93 views
+50

map service URL in ArcGIS JS API

I have this code that is mostly from an ArcGIS JS API sample: <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> ...
0
votes
1answer
23 views

Problem with ArcMap Cut Polygons Tool

I'm attempting to use the Cut Polygons tool in the editor toolbar of ArcMap 10.2.2, and every time I cut a specific polygon it then deletes one of the halves. I've used this tool a handful of times, ...
0
votes
1answer
140 views

How to automatically generate least-cost paths between several polygons?

What is the fastest way to automatically generate least-cost paths (LCPs) between several polygons with ArcGIS ? I created a python program to do this by using the functions "CostDistance" and ...
0
votes
0answers
3 views

Heron library call bookmarks from menu bar

Following this example I managed to build a geoportal app using Heron js and GeoExt. The problem I've found now is I can't call bookmarks from inside a menu (not panel). ...
0
votes
1answer
11 views

Is there a way to use IN filters in OpenLayers?

Is there a way to use IN filters (like the IN operator from SQL) in OpenLayers 2? For example, let's say, I want a filter like this: city = 'Paris' OR city = 'London' OR city = 'Lisbon' In ...
2
votes
1answer
42 views
+50

Multi label with mulit placement in OpenLayers

I have a vector layer in OpenLayers. It has some attributes like left, right, top, bottom, etc. I want every feature to be multi-label (to have more than one label). The javascript code is as follows: ...
0
votes
0answers
6 views

Drawing a portion of a hemisphere airspace

I am trying to use WorldWind's SphereAirspace to construct a particular 3D airspace. The 3D shape I am trying to construct is a hemisphere cut parallel to the ground at two places, suppose at height ...
0
votes
0answers
17 views

How to resample a raster by defined value?

I have got an Euclidean Distance Raster and I need to resample it. I work for a security company and I need a map with the camera resolution (pix/m) in every point of the map covered by a camera. What ...
-2
votes
0answers
11 views

Normalizing point cloud - lidar [duplicate]

Which software can be used to normalize point cloud (forested area)? Please provide examples and share good practice. Thank you for every single post.

15 30 50 per page