0
votes
0answers
4 views

WFS from geoserver, in openlayers 3.5+

im very new in openlayers, geoserver and other open source GIS. im struggling right now, trying to load a wfs from my Geoserver in Openlayers, i successfully can use wms sources, but i don't know the ...
1
vote
0answers
7 views

What is a MULTILINESTRING25D

I've never encountered the OGR geometry type MULTILINESTRING25D before (or any of the *25D types). What are these? How do they differ from other types? I couldn't find any useful documentation from ...
0
votes
1answer
5 views

postGIS SQL request with aggregating ST_Union()

I have a postGIS table that looks like this : id | value | geometry(MultiPolygon) 1 10 ... 1 20 ... 1 30 ... 1 10 ... 1 20 ... 1 30 ...
0
votes
0answers
8 views

Spatial binning query

I am using Esri's GIS tools for Hadoop but I think the query is pretty standard stuff. The SQL/HQL below is from the Esri tutorial found here ...
0
votes
0answers
5 views

Using OSGB (ESPG: 27700) projection in Openlayers with MousePosistion

I am trying to display Ordnance Survey Grid references (ESPG:27700) on a set of BaseMaps with the MousePosistion control. From looking through the OpenLayers samples and this forum samples I have ...
2
votes
1answer
17 views

Plotting points on a map based on text string of location

This may be a naive question, but I'll try anyway. I am working in QGIS, and I have a shape file with more than 2000 rows containing information about specific trees in a botanical garden; their ...
0
votes
0answers
6 views

Using GeoServer WFS to GetFeature by Clicking on it on the map

Can someone point me to document of crafting a Geoserver WFS GetFeature request with CQL_Filters? I've already read the GeoServer CQL_Filter Geometric filter section I have a Geoserver WMS set up to ...
2
votes
1answer
10 views

Approximating GPS coordinates for a point from n expected locations

I'm trying to find the coordinates of my point of attention (point X,marked blue). I used the GPS device of my car to collect the coordinates according to where I parked my vehicle each time I visited ...
1
vote
0answers
9 views

Project do not open anymore because of a minidump [duplicate]

I have closed my project two days ago and this message appeared : minidump déposé dans C:\Users\wwf-adm\AppData\Local\Temp\qgis-20150903-171144-3780-1392-8fdd08a.dmp When I try to open my project, I ...
0
votes
1answer
11 views

Converting EPSG:28992 to universal (Google Maps) lat/lon

I'm trying to find a way to convert EPSG:28992 to Google Maps' lat/lon using PHP. Is this possible? I'm trying to convert XYZ: 137634.397 455715.439 0.0. I'm using Kadaster, which is a Dutch ...
0
votes
0answers
4 views

Sequencing addresses found in search

My dealership search is powered by a java listing and functions script. When the dealers are found for a chosen town they come up in a random order. My client wishes the biggest dealership to appear ...
0
votes
0answers
8 views

TortoiseSVN commit failed [on hold]

I have a problem with TortoiseSVN. I have created a new folder and I did a "checkup" and I got all my files from the repository.After that, I put in trunk file a new file(file.R) and do an "update" . ...
0
votes
1answer
9 views

Openlayers3 leaflet osm problem of displaying data

I'm a newbie in GIS world and recently built my own private osm tile server infrastructure that will be used in closed environment only and it works as a charm. I tested the server inserting Leaflet ...
1
vote
0answers
13 views

Problem creating polygon in a layer

I am working in c++ qt4.8.5 and api qgis 2.8.2 c++. In my application I had to put polygon to define attractive zone. I found a great post in stackexchange (86812). I have based my on this post and on ...
1
vote
1answer
5 views

Openlayers 3 Vector Layer transparency

I'm having a hard time to get my vector features showing as i would like to. I have a geojson file with polygon which overlaps. They are generated with OpenTripPlanner and the features are isochrones. ...
1
vote
2answers
11 views

Merge Ordnance Survey VectorMap District from different folders

I have four different folders with Ordnance Survey-Shapefiles from different regions. I want to merge all these files theme by theme (for example all buildings to just one shapefile). The problem ...
0
votes
0answers
24 views

Format of SAR images

What is the format in which SAR images are stored? By format I mean when a SAR captures an image, it gets saved in what format? jpg? png? tiff? or there is some other special format? Is there a ...
0
votes
1answer
6 views

Leaflet Marker Cluster from GeoJSON

I've created marker cluster in this example and now I want to show the same thing with data from GeoJSON, but it doesn't work. I'm trying to reproduce same situation in this example, but marker ...
0
votes
0answers
7 views

Saving Data Into Google Earth gives Parser error? [duplicate]

I've a large KMZ file (200mb) that I struggle to save in the Google Earth. Open the KMZ file, having no trouble at this stage. Save to My places Close Google Earth and open again. The data doesn't ...
1
vote
1answer
10 views

Methods to Convert .SVG File to GeoJSON

Question How do I convert an SVG file to GeoJSON format? Desired Outcome: I want to make a choropleth map using something like D3.js, or any of the other libraries out there. Challenge: I have an ...
1
vote
0answers
24 views

How do I store a reference to a workspace in a feature?

I have a feature class where each feature needs a reference to a raster in another workspace. Is there some way I can get a string that uniquely identifies any workspace (ArcSDE, personal or file)? ...
2
votes
1answer
37 views

Always Problems with Python in QGIS Installation - Plugins crashed

I recently switched to Windows 10 and therefor did a clean Windows and QGIS 2.10.1 Install. QGIS worked fine, I reinstalled all Plugins, that I used to have. No Problems. Today I switched on the PC ...
1
vote
0answers
11 views

Hide/filter features from Openlayers 3

Setup: OpenLayers 3 Description: I have a map and I need to draw GPS points (10000+) to the map points have extra attributes on them (id, datetime, name etc.). I also have to draw path between ...
0
votes
0answers
7 views

Regarding STEC VTEC position for Radio occultation? [on hold]

I understand that for ground based gps receivers, the TEC is computed along the line-of-sight between the receiver itself and the GPS satellite (known as Slant TEC or STEC). Vertical TEC (or VTEC) is ...
4
votes
2answers
33 views

How to staple layers in a view using ArcGIS Desktop?

How is it possible to staple layers, like in the picture below? Preferably using ArcGIS 10.2 for Desktop.
0
votes
0answers
25 views

Change detection in multi-temporal SAR images [on hold]

I would like to know what are the state of the art techniques, used for performing change detection in multi temporal SAR images. The simplest of techniques are the algebraic ones,like image ...
0
votes
0answers
15 views

How to get multi-temporal InSAR data?

I am very much new to InSAR data. At the moment, i'm stuck at this website https://ursa.asfdaac.alaska.edu. Just wanna know, is it possible to get multi-temporal InSAR data for a particular region ...
0
votes
0answers
5 views

Closing InfoTemplate Programmatically in ArcGIS API for JavaScript?

I am trying to hide a layer on the map like var point = new esri.geometry.Point(-106.61, 35.1107); point = esri.geometry.geographicToWebMercator(point); var symbol = new ...
0
votes
0answers
8 views

Using ZoomToMaxExtent in OpenLayers 2?

I have the following function: var control = new OpenLayers.Control.ZoomToMaxExtent({ trigger: function(){ mapPanel.map.setCenter(new OpenLayers.LonLat(-75,-10).transform(new ...
0
votes
0answers
11 views

Choosing projection for calculating 2D 3D area in New Zealand?

I'm trying to use Surface Volume tool in ArcMap to calculate 2D and 3D area of a catchment. What would be the best projection to use and how do i check the maximum error of the estimation?
0
votes
0answers
13 views

Batch processing Surface volume calculation in ArcMap?

I'm trying to collect the 2D area, 3D area and volume of a given basin at 0.5 meter increment in plane height, but since I want to graph the relationship between plane height and the areas and volume, ...
0
votes
0answers
8 views

Issue on Point Graphic Order in ArcGIS API for JavaScript

I am trying to add a point to map like this var point = new esri.geometry.Point(19.82, 41.33); point = esri.geometry.geographicToWebMercator(point); var symbol = new ...
0
votes
0answers
7 views

Esri CityEngine convert into CityGML format

I have found a tutorial converting the 3DCIM into CityGML. I really would like to convert our 3D models from Esri CityEngine into CityGML format. Some functions in the tutorial are not clear to me and ...
4
votes
1answer
33 views

What is the normal procedure for two UTM zones on one map?

With at least some USGS quad maps, maps that overlap into adjacent UTM zones continue to use the same false easting (rather than start at zero in the middle of the map). Is this a required standard ...
2
votes
1answer
35 views

Tilted projection in QGIS

I'm trying to add tpers projection as a custom projection in QGIS 2.10.1 In the Custom crs dialog I'm adding the proj.4 text: +proj=tpers +h=500000000 +lat_0=19 +lon_0=99 +x_0=0 +y_0=0 +a=6371000 ...
0
votes
0answers
13 views

Projection Discrepancy

I'm creating a system that pulls Longitude/Latitude data from the MapQuest hosted Nominatim service. I'm using OpenStreetMap/OpenLayers to display markers on a map. In order to compute the location to ...
1
vote
0answers
10 views

QGIS 2.81. crashes when using openlayers

I just installed QGIS 2.8 Wien to get access to Openlayers (I could not install it under 2.4, and had to uninstall completely and reinstall 2.8). It was working apparently, but when I tried to get to ...
0
votes
1answer
10 views

Converting tags in OpenStreetMap (OSM) files to attribution in shapefiles?

I've downloaded the street data from OpenStreetMap (OSM). I'm looking for speed limit attribution and OSM seems to be the only source for my jurisdiction (Ontario, Canada). The problem is, the speed ...
1
vote
0answers
14 views

Use Spatial Adjustment text links in Rubbersheet geoprocessing

How can one use the displacement link table created for use in the interactive Spatial Adjustment toolbar with the Rubbersheet Features geoprocessing tool? The toolbar method uses a text file of ...
0
votes
1answer
6 views

Use MapBox Satellite basemap in ArcGIS Online web map

I want to add the MapBox Satellite basemap layer as an option in my ArcGIS Online web app. There is a widget that allows users to toggle between basemaps and I would like MapBox Satellite to be an ...
0
votes
0answers
7 views

How to convert/interpolate feature layer to raster layer?

According to ESRI documentation about Making NetCDF Raster Layer: To create a netCDF raster layer from a netCDF variable, the spacing between x-coordinates must be equal and the spacing between ...
1
vote
0answers
24 views

How to best populate points within a polygon with a set of rules

I've got a polygon (a Circle) with a certain size. I want to put points inside it, as much as I can, but with a set of rules : Points can't be near each other, up to 500 meters. Points can't be near ...
3
votes
1answer
34 views

Validating data in model builder

I have FGDB with points feature classes that I want to convert to lines using using a ready-made script called TrackBuilder. I am using model builder: When I populate the Track Builder script tool ...
1
vote
1answer
29 views

Adjusting UTM and geographic coordinate data

I have a dataset with several points in space within a given area. UTM coordinates (easting, northing in m) or geographic coordinates were recorded for a single point in the vicinity of these points. ...
0
votes
1answer
14 views

Polygon overlap into new layer on CartoDB

New cartodb & PostgreSQL user here. I have two rows in cartodb table and each row has its own polygon. The two polygons have some overlapping area. How can I create a new polygon of just the ...
1
vote
1answer
24 views

How do I label US state borders in ArcMap 10.1?

I'm trying to label a border between TN and NC, but the label manager won't let me. How can I get it to work? I'm using ArcMap 10.1
0
votes
0answers
25 views

Postgres PostGIS geocode_intersection()- How to handle exception?

I have a table in Postgres with a set of records that are street names which needs to be geocoded to get an intersection point.Some of the records would be bad input and when using the ...
0
votes
0answers
26 views

QGIS Processing Plugin Not Loading

I am having serious issues with my QGIS program regarding the Processing Plugin. Upon start-up and if I turn on the plugin within the program. I have uninstalled and reinstalled the program. Have ...
0
votes
1answer
16 views

Know any historical shapefile databases for Canada? [on hold]

Presently my GIS research is in historical geography. I'm making some of my own shapefiles from historical documentary/primary sources but I would like to know what other historical shapefiles are ...
0
votes
0answers
15 views

Handling features as events [on hold]

I have a question related to handling features dynamically. In the two desktop GIS systems QGIS and ArcGIS we can import CSV files or database tables as XY events. These can be handled as dynamic ...

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