1
vote
1answer
1k views

Displaying wfs layer in OpenLayers 3?

I'm working with geoserver and openlayers 3, i have a hosted layer in geoserver that i want display using ol3 as a wfs layer. it doesn't show any errors, but i dont get the map. it works with wms, but ...
0
votes
1answer
31 views

What resolution will be able to show visible changes on a parcel of farm land? [on hold]

What resolution will be adequate (5m, 2.5m, etc) to show visible changes on a parcel of farm land? Each plot is typically the size of two football pitches. Details to detect: a) has the farm land ...
2
votes
3answers
2k views

Can't select points with a rectangle (ArcMap)

I am using ArcGIS 10.2, ArcMap and I have a shapefile point layer in which I can't select any points. (I'm having the same problem this person describes but none of the suggested solutions work: Why ...
2
votes
0answers
19 views

Why can't save changes on GeoServer layers via QGIS?

I am using QGIS 2.14 on Windows 10, and GeoServer 2.8.3 on Windows 2008 Server (VPS). QGIS manages my GeoServer layers with Web Feature Service. I would like to change the geometry or attributes of ...
0
votes
0answers
5 views

OpenLayer WMS Polygon Fill color dynamically

i am new to OpenLayer Geoserver and PostGIS. I want to color my WMS Polygon Layer which has multiple polygon in different color based on some value. Is this possible with wms or wfs. Color for polygon ...
3
votes
0answers
45 views

Orfeo toolbox in Qgis fails to execute

I installed Orfeo using OSGeo4W and have set paths in QGIS (Wein) at Processing -> Options & Configuration -> Providers -> Orfeo Toolbox to: Applications: ...
1
vote
1answer
45 views

Point otbApplication for python to the relevant OTB DLL's

I installed the latest OTB and Monteverdi on a Win 7 machine. Via osgeo4w I downloaded otbApplication for python, without any dependencies. Python, gdal, numpy scipy and so forth was custom build ...
6
votes
1answer
96 views

How to use a graphic for labeling in Qgis?

The "label" option in QGIS allows a wide range of possibilities for displaying attributes of an object in the map. Is there a way to use a symbol/graphic (eg stopsign.png) for labeling objects of a ...
2
votes
2answers
35 views

Is it possible to have two input feature layers and a derived output feature layer in an ArcGIS Python Toolbox tool?

I'm unable to find an example of an ArcGIS Python Toolbox similar to the one I'm trying to get to work. The standalone python script works beautifully. Turning it into a Python Toolbox so I can use ...
0
votes
1answer
1k views

How to narrow the result from Nominatim with only cities and countries, no additional areas with the same name?

I'm trying to get WKT or GeoJson polygons of cities and countries from Nominatim (for example, Paris and France). I send a GET request but it returns me several results named "Paris" or "France". How ...
2
votes
3answers
253 views

Is it possible to set up a local QGIS Plugin repository?

I've developed a couple of custom QGIS Plugins for use by our office. I can't post them to the official QGIS Plugins repository as they reference/utilize sensitive data on our own servers. For ...
0
votes
3answers
57 views

Converting position data created in R to GPX format?

Does anyone know if there is a way to convert position data (latitude and longitude) created in R to GPX format to use with navigation software? I have been searching and havent found an answer. ...
1
vote
1answer
20 views

Storing GML Polygon in PostGIS 2, ERROR: unknown spatial reference system

I am receiving GML as part of a larger XML message. When I receive the XML it is unmarshalled to Java objects. I have no rights to alter the schemas or the generated Java code. Therefore, I later have ...
4
votes
2answers
67 views

Displaying DEM without using shaded relief feature?

I have a DEM built from LiDAR data and the file extension is .tif. When I open this file in ArcMap it seems to be a shaded relief DEM (see the screenshot below). It happens I want to visualize the ...
3
votes
3answers
400 views

Cut/Clip/Split a polygon with another polygon from same layer (Editing)

To not have overlapping polygons/features I normally use a practice where I use one or more polygons to clip/shape other polygons. This is often much faster than tracing when adding polygons etc. I ...
3
votes
2answers
60 views

GDAL/OGR ogr.Layer.Intersection fails when producing mixed geometry results

I am trying to intersect layers using the ogr.Layer.Intersection method, in Python. This works fine for pairs of polygons, but I have found intersecting two linestring layers containing matching ...
3
votes
2answers
26 views

Ogr2ogr is rounding numeric field from PostgreSQL to 6 decimals

I am using ogr2ogr to convert the data from PostgreSQL to GeoJSON. PostgreSQL contains field named shape.area, type numeric, which stores values up to 17 decimal places, like 0.15627328781960101. The ...
4
votes
1answer
281 views

Compute separate Zonal Statistics table for one raster, zones are many polygons in shapefile

Seems earlier ArcMap versions made this possible: I have one raster (pixels are landcover classes) and a set of buffers stored as multiple polygons (possibly overlapping) in a polygon shape file. ...
-1
votes
0answers
28 views

Develop my first Arcgis mobile app [on hold]

I am trying to gather what it would require for me to develop a mobile app that is basically a collecter's app. So I have a client that wants me to create an application that runs on Mac Os, Android, ...
-2
votes
0answers
16 views

Adding topographic symbols to ArcGIS? [on hold]

Does somebody know how to add topographic symbols in ArcGIS?
0
votes
0answers
26 views

Residentials coordinates [on hold]

I have problem with getting residentials coordinates. USPS return carrier routes (I'm using select near API). I need to generate polygons from them or get this information from other different API. ...
1
vote
1answer
24 views

Openlayers GEOJSON

I'am trying to show some points. The coordinates are in the file 'test.json'. But they wouldn't show themselve so i suppose there is something wrong with the code? <!doctype html> <html ...
1
vote
1answer
182 views

How to update the OSM data in a PGRouting Database built with osm2pgrouting?

I'm using a PGRouting database originally built with osm2pgrouting from a *.osm file downloaded from Mapzen. If I want to update the OSM data in that database, ie. re-build my PGRouting Database, ...
2
votes
2answers
486 views

How to recover deleted data from an edited point layer?

As a newbie in GIS, I didn't fail to make a newbie mistake. While editing a point layer I accidentaly deleted all the introduced data. I duplicated a layer, as it was more convenient (same style and ...
0
votes
0answers
21 views

how to convert the values of NDVI anomalies in percentage?

I have used NDVI-MODIS MOD13Q1 product to calculate NDVI anomaly for 13 years (2000-2012). I multiplied the product with the scale factor 0.0001. the problem that I am facing is that the, High and ...
2
votes
2answers
38 views

Diagram Ring Elements Locator (Tough Problem)

I asked http://stackoverflow.com/questions/35579843/get-only-ring-nodes-from-a-diagram on stack overflow but there was no help at all. So I hope I get help from someone on here :) I have a diagram ...
0
votes
0answers
19 views

Weird google streetview issue [on hold]

I have recently encountered a streetview issue when trying to incorporate a 'View in streetview' feature in one of my projects. You can see on the attached picture how the streetview panorama looked ...
0
votes
1answer
21 views

How to draw a polyline in OpenLayers3?

I have the following script for render an OpenLayer3 map into a div in my web The map is showed on the web when de user click on a button. function traza_mapa() { function clearTheDiv() { ...
1
vote
1answer
20 views

Geoserver WMS Time Support - Absolute Interval

as the title suggests, I am currently working with a wms provided by geoserver 2.8.x, with the focus being put on a time-attribute. The official documentation is really lacking details on how to ...
2
votes
1answer
261 views

Multipatch footprint of Sun Shadow Volume in ArcScene (removal of below ground shadows)

I am new to using ArcScene and encountered a problem in my analysis. I want to calculate shadows in the city center of Utrecht on different times and days. Subsequently I want to transform these ...
2
votes
0answers
25 views

Issue with basic statistics function on certain attributes [on hold]

I am trying to use the basic statistics function in QGIS on an attribute in a vector shapefile but it reaches 6% and then gets stuck and does not load anymore. It works fine on other layers/other ...
0
votes
1answer
180 views

Open Layers 3 with Feature Grid

I cannot find examples of OL3 integration with EXT, such as done with GeoExt. It looks like GeoExt is waiting for funding to do this. What I want is a feature grid with vector data displayed in a ...
1
vote
1answer
32 views

Label only selected features with PAL PyQgis using an expression

I'm trying to label only selected features with an expression using PyQgis and the PAL functions, but I don't find any example and the API don't help me a lot (or I don't found it). My Qgis version is ...
1
vote
1answer
85 views

Scripting (Python) Feature Class content into Shapefiles following an UTM data structure

Consider a Feature Class and two of its fields are "UTM_grid" and the "OID". Scripting with python 2.7 for ArcGIS 10.3. "UTM_grid" field contains the geographic info (e.g. B1SD40B) and was broken ...
-2
votes
1answer
49 views

QGIS & WMS/WMF S57 file format [closed]

How can QGIS deal with the S57 file and then act as the Server of WMS or WMF? Can anyone explain the idea? Any suggested way to convert S57 file to the shp Format?
1
vote
0answers
29 views

WMS configuration error (QGIS)

I downloaded the Download the OsGeo4W-Installer and installed the appache.(Windows 7)the Website localhost appears the erro like : WMS configuration error">There was an error reading the project file ...
2
votes
0answers
46 views

Rename the output file ArcGIS

I am copying a tons of features from a file geodatabase to a database server. First I created an enterprise geodatabase connenction and after a database connection. In the first step I added a ...
-3
votes
0answers
19 views

Map Server: how can i do it? [duplicate]

I'm developing an Internet Map Server. Can anybody tell me some references for makeing this task? How should i render vector data? and so on.
0
votes
0answers
4 views

Hosting Nominatim Services Using Virtual Private Server (VPS) [on hold]

I'm on a project that has 1.5 million GPS data points needed to be reverse geocoded (get road attributes). While physically build up the server is not a option for me. I'm wondering if someone has ...
1
vote
0answers
26 views

Obtaining Cartesian X & Y values from Lat/Long

From an aeronautical obstacle survey, I have a list of 500+ obstacles with Lat, Long and Ortho Elevation information. Using ArcMap 10.3; how do I obtain Cartesian X & Y values of all the obstacles ...
1
vote
0answers
13 views

Loading print composer template and nothing turns up

I am with Qgis 2.14.1 Essen, I had stored several templates on print composer, but today trying to load again those templates and the working area turns up totally blank, and the computer seems ...
7
votes
3answers
6k views

Missing LayerSwitcher in OpenLayers3?

I was wondering if there is a LayerSwitcher control in OpenLayers 3? I read that ol3 is a complete rewrite. But I can't seem to find the equivalent of LayerSwitcher from ...
1
vote
2answers
32 views

Select by attributes on PYQGIS 2.14 Essen

I'm trying to make a selection by attribute with python on QGIS Essen, but it looks like I am making a mistake on the script and I can not find it. Can somebody tell me what I have made wrong, or how ...
0
votes
2answers
23 views

Reclassifying Landcover Raster in ENVI 5.3?

I have produced landcover raster using Landsat 8 OLI, Pansharpened image. The derived landcover classified image is placed below: Now, I am intending to reclassify this image to change its class ...
0
votes
1answer
201 views

plot 3D graph based on raster pixel values

I am new to raster data. I have a raster tif file with population density value in each grid cell. I am interested in plotting a 3D graph based on raster values in ArcGIS or R. The similar graph is ...
3
votes
1answer
32 views

Seeking shapefile for Pacific Ring of Fire?

I have been googling around for the shapefile that can be used to produce a map of the Pacific ring of fire, e.g. the pink region in the following map. All I could find were the map images, but I need ...
3
votes
1answer
70 views

Change the actual coordinates in a shapefile (QGIS)

I'm trying to map data for a county in Texas. The data were provided to me in a shapefile, and I've been working with it in QGIS 2.14. My problem is this: The coordinates in the shapefile I was given ...
0
votes
2answers
167 views

Open Layers 3 Overlay a TMS layer on a OSM layer

I'm a bit at a loss of configuring Open Layers 3 to display a generated TMS layer (in 3857) on top of an OSM layer. You can see the parameters of the TMS layer here. This is what I have so far, but ...
-3
votes
0answers
30 views

How to make a point feature to square [on hold]

I have a point feature and I need to make this point feature into a square. Is this possible?
1
vote
2answers
46 views

Calculate area parts of polygon intersections

I have a problem of calculating area sizes of intersected polygons in postgis. I would represent the problem in an example (please see the picture). I have a gridsquare table with some attributes like ...

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