0
votes
0answers
4 views

qgis/remote sensing/OTB : needs & expectations? [on hold]

As part of a mission project, I talk currently with a significant contributor to the development of qgis. We wonder about needs & expectations of the users and developers regarding remote sensing ...
0
votes
0answers
344 views

Seeking Morocco shapefile that includes Western Sahara at Provincial level? [on hold]

The 2004 Moroccan census data is available at hcp.ma. I was wondering if anyone had a Moroccan shapefile at the provincial level or commune level that matched the data available on the census and ...
0
votes
0answers
9 views

Limitations of PostGIS Shapefile Import GUI tool?

I would like to improve my knowledge regrading this issue. I am using PostgreSQL version 9.5 (x64bit) on Windows 7 Enterprise (x64bit Machine). I have a table containing 3515214 rows of X,Y ...
0
votes
0answers
5 views

osm2po v5.1.0 concave shapes

According to release notes version 5.1.0 is capable of generating concave shapes. However, I cannot find any information on how to use this new feature. Has anyone had any luck with this?
0
votes
0answers
6 views

How to setting proxy for osmosis?

I'm trying to use osmosis to update my data ( http://wiki.openstreetmap.org/wiki/Minutely_Mapnik ) but I'm facing the follow error: org.openstreetmap.osmosis.core.OsmosisRuntimeException: Unable to ...
0
votes
1answer
306 views

How to customize Directions widget of ArcGIS Viewer for Flex 3.4 using Flash Builder 4.6?

I want to customize the Directions widget in order to be suitable for my application. However, I do not know how to show a Directions widget without signing in to resources in http://www.arcgis.com. ...
0
votes
0answers
12 views

Automatically adding date to attribute table in ArcGIS for Desktop?

I am using ArcGIS 10.3 for Desktop. I am working on a polygon layer in GDB file and i want that every feature that have been created in the map will be the date of creation (date and datetime). I ...
0
votes
0answers
2 views

Why cannot ArcGIS Server 10.3.1 read external WFS GetCapabilities file?

I have a running ArcGIS 10.3.1 map service which already references a wms GetCapabilies file from my server for the wms service. In the same way I am trying to create the reference to an external ...
1
vote
0answers
4 views

Make the Marker Appear For each Point

How can I make marker Icon appear for each point. I added the geoJSON with 65 points and have all been validated. However the icons appeared as a broken png. I proceeded to add a png I called in an ...
1
vote
1answer
28 views

Dissolve doesn't work with empty layers

I have this model: The tool dissolve has this precondition of the Calculate Tool in order not to run with empty layers: However, when it runs with a empty layer it returns the following error: ...
2
votes
1answer
12 views

How to query overpass turbo using > and < operators

I want to use overpass turbo to query data within a certain range of numerical attribute values. For example, I want to find power=line elements with voltage in a range between 100kV and 200kV. I ...
0
votes
1answer
362 views

How to add marker dynamically when clicked on map using OpenLayers 3?

I'm trying to add point (marker) on map click with custom style using OpenLayers 3. I tried this code, but nothing happens when user click on the map: var map = new ol.Map({ layers: [ ...
0
votes
1answer
520 views

Symbol levels in QGIS 2.0 [duplicate]

I have used symbol levels in my current project to define the hierarchy of the different roads. I have tried to make the symbol levels the same in order to achieve the desired look, with no luck. The ...
1
vote
1answer
639 views

how to show some markers on a static image using openlayers 3

I am trying to show some marker on the static image ie. Given a static image of certain size in feet and set of point in feets how mark some image or a marker on the static image using OpenLayers 3. ...
1
vote
3answers
30 views

Downloading Scotland's national grid from Open Street Map

I've been tasked with finding a complete dataset of Scotland's electricity grid network. This comprises a series of cables carrying 132 to 400 kV. I'm assuming that many of these cables are above ...
1
vote
0answers
13 views

How to set the style of a layer, in OpenLayers 3, without auto refreshing the layer?

I want to set the style on run time, but I don't want the layer to auto refresh. I want to be able to perform some changes before I manually refresh the layer. I looked into the setStyle method and ...
1
vote
0answers
12 views

Dissolving shapefile but retaining original attribute fields in QGIS

How can I dissolve a polygon layer in QGIS based on a single attribute but keep all (or some) other attributes at the same time? This is how I want to retain fields: There are at least two fields I ...
3
votes
1answer
292 views

Problems with Reclassify and RemapRange in ArcPy?

I'm having a bit of trouble with a script that uses ArcPy. I keep getting the following error: ExecuteError: ERROR 000622: Failed to execute (Reclassify). Parameters are not valid. ERROR 000628: ...
1
vote
0answers
17 views

PyQGIS + selection

I would like to select some lines in the layer that match this condition : the attribut A have to be the same as the value of the "for" loop where the selection is realised. (After fixing that ...
1
vote
0answers
7 views

Rendering elevation data of planet_osm_line in GeoServer?

I have created a postgres data from osm data of sachsen and from NASA srtm data extracted elevation data of the same region. I have multilinestring with varying elevation data for a single road, so is ...
2
votes
1answer
77 views

Finding the coordinate system info from a LAS/LiDAR file with Python?

I found several examples of how one can query and manually set a coordinate system on a tif/raster file (GDAL/Python: How do I get coordinate system name from SpatialReference? or Is it possible to ...
0
votes
0answers
15 views

PostGIS Intersection performance

I have a similar question like that one. In that case the performance difference between ArcGIS and PostGIS Intersection could be minimized. I used the "same" SQL-Statement and the "JOIN ... ...
2
votes
1answer
736 views

How to create Map Document for DotSpatial?

How can I create a Map Document (including layers, symbology info etc.) for DotSpatial just like we have MXD File in ESRI ARCGIS.
2
votes
3answers
26 views

How to get the geometry type of a WFS vector layer in OpenLayers 3?

I've been trying to get the geometry type of a vector layer OpenLayers 3 with no success. I know that the geometry type can be obtained from a feature, but in my case I have some layers without ...
3
votes
1answer
13 views

Creating contiguous dispersal surface between two climate-change scenarios in ArcGIS for Desktop?

I'm modelling the distributions of Australian parrots in response to climate change. I have two climate scenarios (present and future), and have used Maximum Entropy modelling to generate maps of ...
2
votes
1answer
24 views

Error using Grass v.clean

I am trying to clean topology of a TAB file in QGIS 2.14.4 and it returns an error message as below The weird thing is, I am able to execute this okay on my machine but not my colleague's. The other ...
0
votes
0answers
14 views

Python type error when I try to load a PostGis layer

I have a PostgreSQL database and I use QGIS to load my PostGIS layers. I usually have no problem loading my layers but, since this morning, I have a python error that I don't understand (TypeError : '...
0
votes
1answer
19 views

Change geomarker in symbol

How is't possible to change the geomarker in another symbol? For examle 'a bike' http://openlayers.org/en/latest/examples/feature-move-animation.html
0
votes
0answers
402 views

Kernel density estimator - batch [on hold]

I've unfortunately just found out that Hawth's batch kernel density estimator doesn't work on ArcGIS 10.1. I've installed GME - unfortunately I can't run batches as there's no tool that will do it. I ...
0
votes
0answers
38 views

How to set file path to the modelbuilder tool? [on hold]

I have got the following problem: I want to dissolve all the shapefiles in my directory and save them under a different name (consisting of the same name and an addition "_diss"). I have managed to ...
2
votes
1answer
18 views

Seeking documentation for qgis.utils module?

There is a PyQGIS module called utils that I can't find any documentation for. It seems to have some useful functions for loaded plugins. Within the Python console in QGIS you can run qgis.utils....
0
votes
1answer
221 views

How can I force ArcGIS to generate “color pallets” for display of GeoTiffs in the FAIMS Mobile App?

The FAIMS Mobile App 1 displays a black pane instead of a well rendered geotiff when I try to import files directly from ArcGIS 10.1 instead of processing them through gdal and grass. Running ...
1
vote
1answer
12 views

QGIS 2.14 hangs at “Starting up the GUI” and fetching plugin repositories

All of a sudden, QGIS 2.14.4 hangs on startup on Win7 for at least 2 min. Eventually it starts without error. Hardware is not the issue (Core i7, 8GB ram, etc.). I tried reinstalling with OS4Geo ...
3
votes
1answer
863 views

How to create a search box and SQL statement for searching an attribute field?

How can I add a HTML search bar that the user can use to search an attribute field for a polygon layer, and then tie that input into the SQL statement? So far I am able to hard code the query of ...
0
votes
0answers
2 views

GMT: Plot subset of polygons based on categorical metadata field

I'm new to GMT and trying to perform what seems like a simple task. I have a GMT (ASCII) XY file containing a geologic map---polygons with lots of metadata fields. I'd like to use gmtconvert to select ...
1
vote
1answer
21 views

PyQGIS QgsVectorLayer.uniqueValues() override active object filtering

This code snippet gives me the unique values for a vector layers attribute called myfieldname l = iface.activeLayer() attrIndex = l.fieldNameIndex('myfieldname') uniValues = l.uniqueValues(attrIndex) ...
2
votes
1answer
27 views

PyQGIS refresh layer tree programmatically

When programmatically applying a subset string to a vector layer (here: ax_flurstueck with object count 34265) via l = iface.activeLayer() l.setSubsetString('gemarkungsnummer in ('2760','2765','...
0
votes
2answers
28 views

Converting multiple csv automatically to shp using ArcPy?

I have more than 300 csv files. Every csv file contained different Longitude, Latitude and other parameters (e.g. Date, Longitude, Latitude, Elevation, Max Temperature, Min Temperature, Precipitation, ...
0
votes
0answers
323 views

Linking two Models together in ModelBuilder [on hold]

I am trying to link two separate models that iterate thought two different feature classes together into one, however I am having a small issue. When I bring in the sub-model into the larger one it it ...
0
votes
0answers
371 views

How to map out commuting patterns by county? [on hold]

I am looking to create a map that shows the commuting patterns in between counties. I am using data from Table 1 at this link. Obviously it will be formatted in a different way. Any ideas? Also, ...
0
votes
1answer
8 views

Can not find “application/json;type=geojson” in Geoserver Tile cache format

I want to server TMS service using geoserver. I know it can be done using GeoWebCache which is loaded by default on geoserver, I have downloaded last version of geoserver and installed it,there must ...
0
votes
0answers
406 views

VBA Code to wait until Python returns value [on hold]

I have written a code in VBA, I am passing parameters to Python and creating a buffer there. After that I am passing that buffer layer and further processing in VBA again. Here is the code for ...
0
votes
0answers
106 views

Converting layer to raster coming up blank after two hours? [on hold]

I am looping through files, selecting out building footprints one by one and converting the selected building footprint to a raster. The script worked fine for about 2 hours this morning then stopped ...
0
votes
1answer
16 views

Making 3d block from flat 2d polygon in ArcScene?

I would like to make a mountain from flat polygon (this polygon is the base contour of the mountain). The question is how to make it keeping 35 angle of the slope ? The top of the mountain should be ...
1
vote
0answers
15 views

Dynamically load symbols preview to plugin

I am working on plugin which combines two *.qml files into new one. Now I'm trying to generate something like "list" in plugin interface. What I have done so far is saving repeated in both files keys ...
0
votes
1answer
337 views

Spatial Join of Polygons to Polygon Grid with Shared Boundaries in ArcGIS Desktop?

I have polygons containing an attribute to be summed by a polygon grid. the polygons with the attribute always share borders with each grid cell and never extend outside any grid cell (the grid has ...
1
vote
1answer
33 views

Prevent export to shapefile from postgis table in QGIS

I have created a centralized database using postgreSQL and created multiple users assigned with different roles i.e. SELECT, UPDATE, MODIFY and DELETE etc. Example: CREATE USER hasan WITH ...
1
vote
1answer
13 views

Geoserver not recognizing jsonb attribute in SQL view of PostGIS db

I have an instance of Geoserver 2.8.2 running and a PostGIS database. I am attempting to create a FeatureType based on an SQL view of the following table (viewed through psql \d): ...
0
votes
0answers
8 views

PostGIS: Cannot create a multiband raster table from other single band raster table

I succesfully uploaded Landsat 7 imageries using raster2pgsql. As each band is in a single geotiff, I have hence the same number of tables in PostGIS. I would like to merge all these tables into a ...
0
votes
1answer
17 views

Moving from one Latitude and Longitude, to another point? [on hold]

I don't really have a good understanding of GPS other than I know what Latitude is and what Longitude is, but I don't know how exactly to move between the 2 points. First point is Lat: 56.53515 and ...

15 30 50 per page