0
votes
0answers
2 views

Creating a buffer radius around a point

I would like to create a buffer radius of 1km around a set of points in my WFS layer (I'm using OpenLayers 2). I've tried creating a style but it only makes the points look bigger. Below is my WFS ...
0
votes
1answer
3 views

User Management in Geoserver

I stored several layers on Geoserver. In the near future, users should have access to certain layers, e.g. User_1 should only have access to Layer_1, Layer_2, Layer_3, User_2 should only have access ...
0
votes
0answers
7 views

Link parallel points with QGIS

I am trying to link the points from this shape file to create individual polygon shapes. What is the best way to create this boxes? So I wanted to do the whole points but would be like the red ...
1
vote
0answers
8 views

How to calculate a curve distance between two xyz points?

I have a curve surface (example is attached). Each node has its own coordinate in geographic system (longitude,latitude and depth). I want to calculate a distance between two nodes (from the one on ...
0
votes
1answer
8 views

Importing Mapinfo .TAB files to AutoCad Map

It is any way to import Mapinfo files to Autocad Map with line and polygon style definitions cereated in Mapinfo?
1
vote
0answers
6 views

How to determine scene tile's x, y and z on tile server?

At the core, I would like to get part of scene from planet labs tile server (png image). In short, what is the math between (long, lat) coordinate in EPSG:4326 to tile (x, y, z) values? Planet Labs ...
0
votes
0answers
4 views

QGIS Plugin 'make' error on Windows

Creating QGIS plugin via PluginBuilder and compiling resources via simple 'make' works straightforward under Linux (SuSe 13.2). Under Windows 'make' (3.81) produces an error: ...
0
votes
0answers
3 views

A problem with d3 linearGradient in Firefox

I run into a problem with d3 linearGradient in firefox. It is not displayed. But, same code runs well in chrome. here is the relevant code: svg.append("linearGradient") .attr("id", ...
1
vote
1answer
9 views

Calculating scale for printing on paper

I will be making PDFs with maps on them. Two pages, one a4, one a3 format. Both will print the same thing, just one is going to be larger. Question - what scale do I print on the PDF? The number. If ...
0
votes
0answers
8 views

Encode an azimuthal equidistant projection in NetCDF conversion

I'm trying to do Azimuthal Equidistant in CF-compliant NetCDF, but I didn't get the correct projection. If you compare the first two information (gdalinfo) you see there is no AUTHORITY and also ...
0
votes
0answers
5 views

Installing Osm2Pgrouting on debian?

I'm new to Postgis. I'm trying to install osm2pgrouting on debian, but when I run cmake -H. -Bbuild I get an error : Could not find PostgreSQL (missing: PostgreSQL_TYPE_INCLUDE_DIR) (found version ...
0
votes
0answers
11 views

Converting Shapely MultiPolygon to Polygon: Technique doesn't always work

In order to get the exterior coordinates I need to convert a shapely MultiPolygon to a Polygon. I do it like this: if poly.geometry.type == 'Polygon': x, y = poly.geometry.exterior.xy elif ...
1
vote
0answers
7 views

android - Set layer visibility not working

I'm building Android app and I have a map in which there are 4 different layers. I have a function that sets all layer's visibility to false, and then through if statements I'm trying to have one ...
0
votes
0answers
10 views

creating a transparent layer background in QGIS

I have created a heatmap in QGIS to cover my point data and I have saved it as geoTiff so that I can import into tilemill, which I managed to do but my background is black .In QGIS however I want ...
0
votes
0answers
12 views

Intersect tool of ArcGis gives multiple intersecting points

I am using .net in arcGis 10.0 to develop tools.I have two polyline feature classes. I want to get intersected point of this 2 feature classes. for this purpose, I have used INTERSECT tool of arcmap. ...
1
vote
1answer
17 views

Issue with GeoJson data format fetching from PostgresQL

I am trying to display the GIS data on the Google map using PostgreSQL. I have few Shapefiles, I imported those shapefile into PostgreSQL. Now I am trying to get this data using this query. After ...
0
votes
1answer
15 views

How to view shape file in website?

I have shapefile for my country and i want to view this map in my website (browser) in my LAN network how to do that , is it possible ?
1
vote
1answer
10 views

QGIS - Installation issue Windows 7 64 bit

I am currently trying to install QGIS but it has been on the same point of the installation for almost 30 minutes. I don't know if it is simply taking a long time to create a folder, but it seems as ...
0
votes
0answers
12 views

Reclassification of CORINE map using R

I am trying to reclassify the CORINE map for Hungary to 4 classes in R. but after reclassification, when I import the asc file to QGIS it loads it empty. Am I doing something wrong? ...
0
votes
0answers
7 views

Raster images in geoserver without WMS

Is there any vailable way to access raster images through geoserver without wms?(to a large number of images)
0
votes
0answers
9 views

Tutorials, examples of datasets to network datasets? [duplicate]

I am having a lot of problems finding road networks and converting to a working network dataset to perform location allocation. Is there any tutorials, examples where they take free datasets ...
2
votes
2answers
25 views

How to displays attributes for features within the current map extent in ArcGIS Desktop?

I have found Landsat 8 PanSharpened WMS service here. It is a mosaic made by Esri. I can open attribute table of this mosaic dataset. Can I sort rows of attribute table to see only rows related to ...
1
vote
1answer
9 views

Difference in EPSG:28992 (RD/Amersfoort) definitions

I need to do some projections between WGS84 (EPSG:4326) and the Dutch RD system (EPSG:28992) in JavaScript. I use Proj4js for this. When adding the definition from spatialreference.org I noticed a ...
0
votes
0answers
18 views

Marker popup on geoJSON layer in leaflet

I have a requirement to show geoJSON(features) on leaflet marker popup.if i plot marker on geoJSON layer on leaflet how can i get features in marker popup. Here i am adding a marker to the leaflet ...
0
votes
1answer
10 views

In CartoDB, can columns (e.g. ARPU2011) have descriptions (e.g. Average Revenue Per User 2011)

I have an in-house database with spatial data (Postgres + PostGIS) for which I'm generating an extract (GeoJSON/KML etc) in order to load it into CartoDB. My column names are technical (e.g. ...
1
vote
1answer
21 views

How arcMap tool run in async mode with arcpy?

I am using python in arcmap 10.0 to execute "Topo To Raster" tool. I am successful to execute this in blocking/sync mode. but I want to execute this tool with python in async mode. workspacePath = ...
0
votes
0answers
16 views

salt marsh recession mapping with landsat/WV, IKONOS)

I am trying to detect timing and pattern of change in a particular salt marsh (low marsh sitting close to a high marsh). Basically, I'm interested in detecting changes in the leading edge for ...
0
votes
0answers
12 views

Select the neighbourhoods with more residents for each city in the country using QGIS

I have data from a national census with population for each neighbourhood, grouped by municipality and town, in the country. I want to select every neighbourhood with more inhabitants in each town ...
0
votes
0answers
8 views

Can grass 7.0.3 pansharpen Landsat 8 spectral bands [duplicate]

Can grass 7.0.3 now pansharpen Landsat 8 rgb spectral bands. The last post in 2013 said that a programmer was working on it.
-2
votes
0answers
27 views

'Creating Points' along line using ArcGIS Desktop does not give me the actual distances in a field

In ArcMap 10.3, The 'Construct Points' from a polyline under Editor works well, except for the fact that once generated, there is no field created that lists the actual KP distances. I find myself ...
0
votes
0answers
6 views

How to sync ENVI image window with Google Earth Pro?

I am unable to find documentation explaining how to sync an view in ENVI with Google Earth. I am zooming in and out of a RapidEye image in ENVI for an object-oriented classification and it would be ...
1
vote
1answer
21 views

Cut a linear feature according to the directions or azimuths

I have a shapefile linear that contains a single items as in the image and I want to divide it into several section respecting the azimuth and the line direction. i have this code : import os ...
7
votes
2answers
183 views

Does transforming to a new projection, then back, affect data accuracy?

I have a feature class (South Carolina counties, so a fairly large geographic area) in NAD83 SC State Plane. It needs to be transformed to a second projection (NAD83 UTM 17), then transformed back to ...
1
vote
0answers
9 views

Spatial Join Hangs on Two Specific Shapefiles in QGIS 2.8

I have successfully done spatial joins with QGIS many times. However, with two shapefiles QGIS hangs or never seems to complete. (I’ve let the process run for over two hours.) I’ve tried all the ...
0
votes
0answers
6 views

Setting color info without defining new instance of renderer

I have an esri map with five feature layers. Each also has an id, and it is used in a toggle layer function to update layer visibility in the map. For most layers, I just need to set one static color ...
0
votes
1answer
12 views

Creating DEM from topography map in QGIS [duplicate]

For my geology diploma project I need to create DEM from topography map my professor gave me to use as a base map. The map is georeferenced. My idea was to draw lines over the izolines of the map, ...
1
vote
0answers
13 views

ST_Intersection between MultiPolygon tables leads to gaps, missing intersections

I am trying to intersect two MultiPolygon tables, which are in the same UTM projection, and calculate the area of their intersections. I am getting some surprising results when I examine the ...
0
votes
0answers
19 views

Grouping polygons by spatial attributes

I'm working with a dataset that contains millions of polygons representing leased properties. In many cases, there are multiple polygons that are drawn on top of one another (representing multiple ...
0
votes
0answers
8 views

How do you add an image to a point location in ArcGIS 10.3?

I have a set of point locations (groundwater wells) and a graph of groundwater elevation for each location. Is there a way to show the graphs at their respective locations on the map, without having ...
0
votes
2answers
23 views

Dividing an irregular polygon into sub-regions

I am trying to divide an irregular polygon into equal widths and am having trouble understanding the proper tool to use. I am in possession of ArcGIS and am aware that the Parcel Editor is the closest ...
0
votes
0answers
4 views

Putting marker and save location in DB for Leaflet.draw?

Using Leaflet.draw, I managed to set a marker, but I need to save it to a database, so that when reloading the page again, it shows the marker that was saved. I'm not an English speaker, but I try. ...
1
vote
0answers
12 views

QGIS Download getting stuck, NSIS error? [on hold]

I need to edit a DBF file, and I tried to install QGIS at http://www.qgis.org/en/site/forusers/download.html. However, none of the standalone installers work. I tried installing 32/64bit, ...
0
votes
0answers
5 views

OpenGeo Suite installed on Ubuntu 14.04, unable to proceed/delete issues with dependencies

I have installed the OpenGeo Suite on my "Trusty Tahr". I am able to access my Tomcat server as well as Geoserver on http://localhost. The issue I'm dealing with currently stems from ...
0
votes
0answers
19 views

Changing point data coordinate system without moving points in QGIS?

I made a mistake regarding coordinate systems and lining up two layers. I have a raster with elevations in EPSG:2949. I created a point data shapefile and entered about 600 hundred points manually ...
0
votes
0answers
4 views

Metadata landsat incompatibility?

I compiled the last ledaps from source, but when I try to convert the MLT file to the espa xml format I get this error: Error: read_lpgs_mtl : Unsupported resampling option: CC It turns out that ...
1
vote
0answers
22 views

QGIS: Create a layer, edit and save. Where are my features?

I created a layer (e.g. point) in QGIS with QgsVectorLayer from memory: mem_layer = QgsVectorLayer("point?crs=epsg:32630&field=id:string","TempFile","memory") ...
2
votes
0answers
20 views

ArcMap Polyline Renders Incorrectly Unless Project Reloaded

I am trying to get a graphic polyline to render over top of an imported shape file. I'm using C# with ArcMap 10.2.2. The issue I'm having is that the first time the polyline is created, it merely ...
4
votes
1answer
13 views

Extracting the cell size as a value to use in a calculation

I am creating a model in ArcGIS modelbuilder to buffer a line. I would like the buffer distance to be based on the cell size of a raster. The cell size may change depending upon which raster the user ...
1
vote
1answer
23 views

Switching out layers but keeping the order the same (see figure) with ArcMap and Arcpy

I need to update the table of contents for a given .mxd by keeping a certain order but switching out the contents. I can bring in the new feature classes as map layers, and delete the old map layers ...
0
votes
0answers
12 views

Automatic Dynamic symbology or Attribute driven symbology? [on hold]

I have looked for a while now on this issue! There seems to be multiple leads dating back over eight years! Two dilemmas I have found myself trying to figure out. Is there a way to configure ...

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