0
votes
0answers
2 views

Grass toolbar for QGIS 2.10

I don't see the GRASS toolbar in QGIS 2.10 (Pisa). There are still GRASS commands in the Processing toolbox. I know there was some upgrade of GRASS for 2.10. Is the toolbar not available anymore? If ...
0
votes
0answers
13 views

Load a .prj file into QGIS 2.10.1

I have found solutions for this problem in other versions of QGIS, but none that apply to the newest version 2.10.1. Whenever I try to import a Natural Earth Raster projection that is a prj file I get ...
0
votes
0answers
9 views

QGIS.How to load a style from POSTGIS in PyQt

The thing is that I have four styles I have created in QGIS trough the GUI and saved into a postgresql database. I can see them in the table named layer_styles I have seen similar questions asking ...
2
votes
0answers
12 views

Importing analytical data (CSV) with different data types into ArcGIS DEsktop to generate concentration heat maps?

After reviewing all the possible related solutions to my problem, I could not piece together a solution to process and import multiple sets of groundwater analytical data that contains different data ...
0
votes
0answers
6 views

Web map linked to database that shows one spatial location at a time

I have a simple database with a record for each research project that occured on a national forest. Each project area is associated with a polygon, and there are around 200 polygons that are piled ...
0
votes
0answers
6 views

How do I convert WGS84 to Lat, Long to Google Maps in R?

I have this coordinate which I believe it's in WGS84 format x=1005740.867110, y=243957.356623 I want to plot that in Google Maps which I need to convert that to Lon, Lat. I've found this script ...
1
vote
2answers
10 views

Editing Road Style/Color from ArcGIS Maps and Data Group

I have ArcMap 10.2 on a Windows 10 pc. I uploaded this open source layer into my desktop map, but I can't edit the look of the streets or color from the table of contents. Is there a way to do this, ...
0
votes
0answers
13 views

Global roads information prefrably with traffic volume

Im looking for a high quality global roads database. The only constraints I have is that it should be completely open (even foe commercial use) I have looked into some publicly available databases ...
0
votes
0answers
2 views

In jgrasstools kriging, what is the variogram model used when defaultVariogramMode = 0?

In jgrasstools 0.78, what are the variogram models corresponding to the values 0 and 1 of the defaultVariogramMode field? For mode 1, it seems to be a Gaussian variogram, by looking at the source. ...
0
votes
0answers
5 views

Donut polygons getting filled when exporting to 3d Web Scene

I have built a model using ArcScene by draping 2D polygon data over an elevation raster and am having issues when using the Export to 3D Web Scene tool. The tool builds the model successfully, but ...
0
votes
0answers
6 views

How to Reference a specific layer in a WMS Feed

I am looking to access HRDPS.CONTINENTAL - Air temperature (°C) to use in an ArcGISOnline Map from the WMS Feed http://geo.weather.gc.ca/geomet/?lang=E&service=WMS&request=GetCapabilities ...
0
votes
1answer
10 views

Is there a way to automatically find errors made by the Watershed tool?

I've delineated the watershed of near 7000 reservoirs with the Watershed tool in ArcGIS 10.1 and converted them in polygons. As you can see in the image bellow, some mistakes were made because the ...
0
votes
0answers
7 views

OpenLayers 3.7 New Server Vector WFS with GeoServer

I have recently updated from OpenLayers 3.0 to 3.7 and I noticed in the 3.5 update the Vector API has changed, I tried to alter the code as per the bottom section of code but i am getting the error ...
1
vote
0answers
9 views

Leaflet Markercluster and Timeline in sync

So I have been trying to figure how to use the markercluster and timeline plug in in sync to show a temporal animation of points. As some of the point data overlaps a cluster is needed to be able to ...
1
vote
1answer
32 views

Loop through columns Python arcpy.ListFields

I am trying to run a Python script that loops through all fields in my input feature attribute table. I have searched extensively and tried to use arcpy.ListField to work but it seems all people got ...
0
votes
2answers
13 views

How to put a frame around a legend using QgsComposerLegend?

I can already see this being a simple answer but I'm stumped with this. I want to create a frame around a legend created by a PyQGIS script Code snippet is: legend = QgsComposerLegend(c) ...
0
votes
0answers
31 views

migrating from arcgis server to open source gis technologies [on hold]

I am migrating from ArcGIS server backend to open source technologies. I have about 100 map services (~300 GB data) each with 100+ layers. I also have a web application where the user has to have a ...
2
votes
1answer
13 views

Why does the resolution decrease with increasing incidence angle in the Sentinel-1 SAR sattelite

On this link (Sentinel1 webpage for a SLC product), the resolution is written as a range from the highest corresponding to low incidence angle, to the lowest resolution corresponding to high incidence ...
0
votes
1answer
18 views

How can I check in QGIS python if an atrribute is included in my layer?

I use the following code: for field in self.layer.pendingFields(): if field.name()=='elevation': do this else: do that Although there is an elevation attribute in my layer ...
0
votes
0answers
14 views

Mapping Ecclesiastical Parish Data

I am looking for a way to plot data relating to the number of people in a given location - the location being an ecclesiastical parish. So I need software that will allow me to import a map of ...
0
votes
1answer
11 views

PgRouting: Target vertex error

I'm trying to make a matrix that shows the cost from a node to the rest of the nodes in a network. The final result I'm looking for is not the cost, but only know if a car can or can not reach each ...
1
vote
1answer
20 views

what is the “clip” feature for color ramps?

In the singleband pseudocolor band rendering, there is a boolean checkbox "clip". What does this do? I don't notice a difference in my maps and haven't found documentation for it. Thanks
0
votes
0answers
10 views

QGIS 2.10.1: Unable to stylize as pseudocolor render type

In a raster layer's Style Properties, I can choose pseudocolor render type, and choose a color ramp and classify the raster. However, when I click the 'Apply' button, or click 'OK', the ...
0
votes
1answer
10 views

Dynamic Layer Name - Leaflet Layer Control

I would like to have the name of a layer used by Leaflets layer control feature come from a variable instead of a string and based on data from the layer. The example shown below uses the variable ...
0
votes
0answers
25 views

Database connection fails when using db authentication, succeeds using OS

When i attempt to make a connection to a database on my SQL Server 2014 sever via Database connections in ArcCatalog using with db authentication i get the lovely "Connection was attempted with an ...
1
vote
0answers
54 views

Is this algorithm Possible?

I have some basic notions of python. I would like to know if this algorithm is feasible in ArcMap: loop through all entries in a dBase table for each entry, open the related table (Shapefile ...
1
vote
0answers
6 views

How to combine 3 rasters: 1 without Geoinformation, 1 with Lat-coord-values and 1 with Long-coord-values

I have multiple raster images without geoinformation. The geoinformation is stored seperately in two other rasters: one contains the Lat-coordinate of every pixel, the another the Long-coordinates. So ...
1
vote
2answers
55 views

How to create a map using LeafLet

Im looking to create a map that can be interactive. The best option that I found is leaflet, the thing is I don't find any resource explaining how to create my own map. Im looking to create an ...
-1
votes
1answer
34 views

Isolate points with same parcel but different x and y coordinates

I have a large list of 100000 points in shapefile format. These points have address, parcel number and x and y coordinates as attributes. I would like to know which and how many points have the same ...
0
votes
0answers
11 views

Updating a column in MapInfo based on Symbology or colour

I am transferring a large dataset from MapInfo (V 12.0.2) to QGIS (V2.8.1) and I want to be able to create a column in the MapInfo attribute table that differentiates features with different ...
1
vote
1answer
39 views

How can I rename all feature classes in a file geodatabase?

I have 8 separate geodatabases in which are contained tiled feature classes all of the same name e.g. TopographicArea. So that each of my File Geodatabases contain a feature class called ...
2
votes
0answers
9 views

Can ArcGIS Export Web Map task print labels from a Feature Layer?

I'm creating json to create a custom printout using the Export Web Map task on an ArcGIS server (v10.2). Everything works as expected apart from labels are not showing in the generated printout. The ...
0
votes
0answers
10 views

Online libraries relocation. [on hold]

It just came to my mind now that since when developing web based application we use online libraries, we reference to them, is there a chance (if it makes sense) that those libraries be relocated to ...
0
votes
0answers
12 views

Problem using EPSG:3395

in my application I use OGC:CRS83 for the coordinatereferencesystem, but now I had to change it to EPSG:3395 when I call : mQgsCoordinate->createFromOgcWmsCrs("EPSG:3395") there is nothing in ...
1
vote
0answers
36 views

Create Indexes Within a View? How could I Speed up Spatial Queries Over a View?

I´m trying to add a view from postgis using QGIS, what´s facile. The problem is that it´s taking too long to load it and to perform any kind of operation, for example, as simple as counting rows. It´s ...
1
vote
0answers
17 views

How to have GDAL print layers of GeoPDF AND say which are raster vs vector.

My Objective: I would like to use GDAL to convert a GeoPDF. I want the vector layers as shp files and the raster layers as tif files. I want to do this in a programmatic way. The Problem: Naturally, ...
0
votes
0answers
8 views

Unable to make qgis build in cmake

I am trying to build qgis without any change in source code which i have downloaded from github using clone and i have download OSGEO4W from qgis.org and the same is installed in c drive. I have ...
3
votes
0answers
14 views

How to run a tool from Whitebox GAT in ArcGIS?

I have a series of tools that I need to run in ArcGIS to hydrologically condition my DEM, but the first step in this process is running the Breach Depressions tool from Whitebox GAT (I have found that ...
1
vote
0answers
16 views

Clip layout view to output graphics extent using python

I need to implement, within this very simple piece of code, the option that replicate the "Clip to output graphics extent" available from the ArcGIS 10.0 Export Map UI standard command. Is it ...
2
votes
1answer
18 views

QGIS: Finding electric network loops

With QGIS, how can we analyse an electrical network to find loops? Using Python is not a problem, however there is not a solution in the QGIS Python API. The QgsGraphAnalyzer has dijkstra and ...
2
votes
1answer
18 views

QuickOSM returns no result

I am trying to download the polygons for the Umweltzone Heidelberg from OpenStreetMap using QuickOSM in QGIS. I queried by name as shown in the screenshot: The corresponding OSM script looks like ...
1
vote
0answers
17 views

Error in Editing Point Shapefile: I can't add a new point feature

I want to add a point to a point shapefile. I place the cursor in an empty field. The strange thing is that the point of the point shapefile that is nearest to the cursor is highlighted. If I click ...
5
votes
4answers
193 views

Is there a quick way to clear all attributes from a layer but leave the polygons in place?

I have a layer with several polygons, each of which has data in over 100 fields. I need to create a new layer with all the same polygons, but with all their data fields blank (set to 0, Null or empty ...
1
vote
2answers
26 views

How can I visualize a series of points on a world map?

I'd like to run a big list of IP addresses through geolocation and then display them on a map, most preferably an OpenStreetMap one. While geolocation will probably be easy using GeoIP, I'm looking ...
0
votes
1answer
19 views

Openlayers 3: Hover effect below top layer with labels?

I am using Openlayers 3 and I want to have a hover effect of a polygon layer below the top layer with labels. I can arrange the order of the layers that the labels are on top of the polygon, but ...
0
votes
0answers
14 views

Remote SQL Server, Crystal Reports and Geospatial Join [on hold]

I have: A remote SQL server (2008 R2) that I have access to (But NOT full control of) which contains my source data including OSGB 1936 Geometry [ESPG: 27700] In house SQL Server 2008 R2 A Crystal ...
0
votes
1answer
18 views

R filter shapefiles with dplyr

How to filter shapefiles data in R with dplyr and then put it in a leaflet map? not reproducible example sorry: library(dplyr) library(leaflet) library(sp) library(maptools) library(rgdal) ...
0
votes
2answers
24 views

Defining custom basemap toggle in ArcGIS API for JavaScript?

I'm using arcgis js spi for 3.13 edition, when I using basemaptoggle widget from https://developers.arcgis.com/javascript/jssamples/widget_basemap.html is ok, but when defining my own basemap is ...
2
votes
0answers
25 views

How to rename field names in a shapefile attribute table without table manager using python

By using the table manager we can rename the field names but i want to rename of fields using python. How can i do that?
0
votes
0answers
8 views

Query PB Spectrum WMS with Openlayers3

I want to get tiles with CQL_FILTER on spectrum server. There are many examples on geo server but i cant find spectrum example. There is code block: WMSLayer = new ol.layer.Tile({ source: ...

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