1
vote
3answers
7 views

Syntax error in parameter formula of field calculator funtion

I'm using a QGIS 2.8.1 in windows. Have some doubts with syntax when use string in python console. I want to use the field calculator funtion like: processing.runalg('qgis:fieldcalculator', input, ...
1
vote
1answer
7 views

does a cartoDB world shapefile exist?

Does anyone know what cartoDB uses for country boundaries on their standard basemaps e.g. cartodb world flat blue? A shapefile would be really useful as doing global maps (using country polygons) look ...
0
votes
0answers
7 views

Is it possible to publish ArcGIS map tile service without publishing component layers of that tile service?

I have an ArcGIS tile service that covers an area but when I look for the respective mapserver layer for that tile I did not find respective layer in the map server layer published.e.g. For this map ...
0
votes
1answer
20 views

Implementing WMS layer as basemap in Configurable Map Viewer?

I have been modifying the basemaps widget to include several wms layers - the obvious issue with this is that a WMS Layer cannot technical be a basemap (esri/basemap). My intentions are too use both ...
0
votes
0answers
4 views

Qgis 2.10 unable to add a new feature in spatialite via sql function “GeomFromText”

Using Python code in my plugin the function in sql language "GeomFromText(POINT(X Y))" gives the following error: "OperationalError: no such function: GeomFromText" Plugin functions in previous ...
-2
votes
0answers
7 views

Quickstart application cannot recognise the org.geotools library [on hold]

I am trying to run the Quickstart application but each time it is highlighting the libraries can cannot run.
1
vote
1answer
221 views

ENVI5.0. Is it possible to use “Quickmap” option? How to create a simple map?

I used to work in ENVI 4.8, but now have to move on ENVI5.0 I found it was changed a lot comparably with the previous versions, obtained many good new options, but some old options, in ENVI4.8, are ...
0
votes
0answers
11 views

QGIS - messed up shapefile attribute table text

I have a .shp file from AutoCad imported to QGIS (using _MAPEXPORT > text in AutoCad) and this is what happens to text in attribute table - example: {\Fsimplex|c0;O\Fsimplex|c238;Š\Fsimplex|c0; ...
1
vote
0answers
12 views

About performance of qgis with big layer or a lot of layer

does anyone has a feedback on the performance of a big layer by exemple : I have a layer with 100 features, each feature contains specifics attributes with dynamic data, the data change each second ...
1
vote
2answers
37 views

Calculating avg distance between two non-parallet lines?

I'm currently working on creating a data model that will allow the analyst to digitize two non-parallel lines of approximately the same length. Currently the methodology is to divide the lines into 11 ...
2
votes
2answers
798 views

World map shapefile including disputed areas

I am looking for a global shapefile that allows you do show data for all disputed areas (like Waziristan, Spratlay Islands, Kahsmir, etc.). Do you have any idea where I can find a shapefile with not ...
0
votes
0answers
5 views

How to edit font and text styles in Cartodb infowindow?

I would like to change the font and text styles of the text in my Cartodb infowindow. Specifically, I'd like the name at the top to be larger font and bolded to act as an infowindow 'title' and the ...
0
votes
0answers
7 views

How can I replicate focalmean with focal statistics

Hi I am trying to get rid of some small gaps of no data in my rasters. I would previosly have used focalmean but it is no longer available. I've tried what I expected to work but I'm getting errors. ...
2
votes
1answer
9 views

Exporting Contours from QGIS into AutoCAD

I'm trying to export contour lines from QGIS into standard AutoCAD but I'm not having much luck. It does not seem to matter what type of file I select as the output during the contour creating (eg. ...
0
votes
0answers
11 views

published ags-service shows empty map

I have some XY-Eventlayer published through ArcGIS-Server 10.2.1 First I try to connect via ODBC-Connect to the underlying Oracle Database, but the Service could not be started. So I tried to use an ...
1
vote
1answer
15 views

Openlayers 3 cant delete feature

I am using OpenLayers 3. Here i found how to create and read drawn features. Now i am trying to delete a feature after i draw it on the map. I have tried several methods , but it doesn't want to ...
1
vote
2answers
366 views

Dynamically Reload OpenLayers Marker Layer based on user input

Not really sure how to ask this, so I'll outline the scenario. We have a database with locations in it. There are various types of cars at each location and each car has a problem of varying ...
0
votes
1answer
11 views

stylizing/symbolize openlayers based off GML

I am completely new to openlayers and am kind of learning as I go along. I created a GML using QGIS and would like to call data from it. It isn't stylized (specific icons per attribute). I would like ...
-1
votes
0answers
10 views

Interpolate precipitation Data on fly and save result in text

How to spatially interpolate on fly large daily(365 days) rainfall data and save the resultant precipitation of particular desired point(lat, lon)
2
votes
0answers
40 views

Merge Line Segments based on their length in QGIS

I have a layer containing line segments which are connected by their endpoints (e.g. as within a street network). I'd like to merge (union) polylines within this layer into one feature until following ...
1
vote
1answer
19 views

QGIS How to reduce points by proximity

I got a layer with over 4 million points. The distance between the points are 1 meter. How can i reduce the data so that no points have less than e.g. 10 meters between them?
0
votes
0answers
10 views

Howto add a variable number of characters in a field based on the length of characters in another field?

How can I write a python script that does the following: field(x) of type text field(y) of type text I want to populate field(y) with contents of field(x) by first computing the length of the string ...
0
votes
0answers
4 views

How can you identify whether the user has clicked on a circle or a polygon?

I have a user-created graphics layer that might have lines, polygons and circles on it. When the user clicks to edit one of the graphics, I would like to be able to identify whether they have clicked ...
0
votes
2answers
499 views

Measure average distance between two lines with common endpoints

I have two shapefiles, each with a set of lines generated from start and end points. One shapefile has the straight lines generated from the XY To Line tool, while the other has lines generated from a ...
4
votes
2answers
80 views

Polygon points to Polyline

I am trying to create a polyline from the points that I query from a polygon. I have a polygon, and I am getting its edges, casting them to segments, and then use QueryNormal to get the mid point ...
0
votes
2answers
84 views

How to get the parameter defined in one tool to another tool in same python toolbox?

This is what I am looking for: Create two tools in Python Toolbox: Tool1 and Tool2 (I am able to do that) I want to define a parameter in Tool2 whose value depends on parameter entered by user in ...
0
votes
1answer
23 views

How to use the hml <area> tag together with Openlayers 3 raster layers?

In order to include interaction to my Openlayer 3 raster layer, I would like to use something similar to the html <area> tag (http://www.w3schools.com/tags/tag_area.asp). The aim is to click on ...
0
votes
1answer
23 views

Changing datasource of a .lyr file results in empty layer with empty symbology (ArcObjects VB.NET)

I'm having a hard time adding my grid to the map and changing its symbology with an existing lyr file. I have found a great post by Neil Clemmons that explains this, but it doesn't work for me. I ...
1
vote
0answers
13 views

QGIS - Polygons within Polygons Spatial Analysis

I have a polygon layer of planning applications and I am wondering if anyone can give any advice and or has seen or written a blog post that might point me in the direction of creating relationships ...
1
vote
1answer
10 views

How to calculate the raster statistics with polygon layer using numpy and scipy in python?

I have used zonal statistics from processing to calculate the raster statastics with polygon layer. processing.runalg('qgis:zonalstatistics', rlayersource, 1, vlayer, None, True, Path) But this is ...
0
votes
1answer
13 views

How to check get wms/wfs capability for unusual server

I have an wms(?) server that serves wms service, i believe, but i do not understand why this server takes qeer parameters that are not documented in geoserver reference. Could you say how to check ...
1
vote
1answer
151 views

How to limit vertically the extent of an OpenLayers map?

When I pan north, the map goes out and I see the white background of my HTML. I want to pan vertically and the map to block when it reaches the top (or bottom, respectively). I have tried to put ...
1
vote
0answers
28 views
+100

Downgrading WRF Hydro GIS Pre-Processing Tools 2.2 to work with ArcGIS Desktop 10.0?

I have just come across the WRF Hydro GIS Pre-Processing Tools for the first time. The version I am looking at is 2.2 and its documentation says: The processing workflow for creating WRF-Hydro ...
-1
votes
0answers
12 views

Open Source GIS For Mac OS [on hold]

As I am using Mac OS, I would like to know which are all the best Open Source GIS softwares I can work with Mac OS apart from QGIS and Open Jump..?
1
vote
2answers
225 views

How to request group of layers from Geoserver with turn off/on capabilities? Geoserver layer organizer

I would like to organize my layers by topics, and for each of them (if chosen on the client-side), I would like to request a single-tile image, which contains the predefined layers in the correct ...
1
vote
1answer
32 views

is it possible programmatically to rotate a svg of the feature without rotate all feature

I am working on a project that need to move and update the shape of the feature of the layer. I am working in c++/ QT4.8.5 and qgis api c++ 2.8.2. In my Layer I have a lot of features, each feature ...
1
vote
2answers
272 views

What coordinate system notation would this be?

0558253.7 13083091W The data came in a csv file which was then converted to an xlsx file in Excel. No mention of original coordinate system, and the fields were just named - "LATITUDE" and ...
1
vote
1answer
14 views

Take data (points) from MySQL to Leaflet Map using PHP and Ajax

I have records with lat and lngs in a MySQL database and I want to add them to a Leaflet map as markers. I have tried a couple of methods but none seem to work. When the webpage opens the map doesn't ...
0
votes
0answers
5 views

Google Maps JavaScript API scale Polygon keep aspect ratio

I drew a polygon on the map.now i want to re-size the polygon keeping the aspect ratio. i don't want to use google.maps.Rectangle. this is my code var pointsPoly = getPoints(); /* */ var ply = ...
1
vote
2answers
25 views

Cut/Clip/Split a polygon with another polygon from same layer (Editing) - Qgis 2.8.1

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 ...
2
votes
0answers
37 views

Change number of cells in raster using GDAL?

i have 5 raster files and i want to merge them to one file with exact 50x50 cells because i have an R script to process it later. I tried the ArcGIS function "mosaic to raster" but it delivers a ...
3
votes
1answer
242 views

ERROR 999999: Error executing function - Failed to execute (CopyRaster)

ERROR 999999: Error executing function Unexpected operation No spatial reference exists This is a fragment from my log report: ERROR 999999: Error executing function. Database user ...
8
votes
1answer
257 views

ArcObjects running in Addin slower?

I have created a class library which does some geoprocessing. The addin calls a class that is an async process. I have ensured the thread is STA and the arcobjects are thread safe (ie. not passed from ...
4
votes
1answer
1k views

Exporting and editing annotation feature class using ArcPy?

I would like to convert labels to annotations and make some advanced editing for these labels using ArcPy. How would I do this? I'm using a file geodatabase and ArcMap 10.
0
votes
0answers
8 views

Dynamically add maps to globalmapper

I've a folder which maps are dynamically added to it and I want to add them to global mapper whenever they are ready, Is there any solution to do that? if no is there any other software like it to do ...
0
votes
1answer
52 views

Failed to run Local Geoprocessing tool in ESRI runtime sdk

I have created a gpk using the below python script in ArcGIS 10.3.When trying to consume as Local geoprocessing service in 10.2.5,I get below errors. The application is running using developer ...
1
vote
1answer
363 views

QGIS Invalid object name 'geometry_columns' QODBC3:Unable to execute statement

I was using Lisboa 1.8 with SQL Express and tables with geometry. Connections were working with 1.8 and are working with ArcGIS, so I know my tables and geometry are fine. I installed 2.4 Chugiak, ...
0
votes
1answer
13 views

SQL filters in ArcGIS online

Is it possible to do SQL filters in ArcGIS online similar to the SQL tab of CartoDB maps? I want to do an expression on several table fields.
0
votes
0answers
16 views

Batch Geocoding from Excel spreadsheet? [duplicate]

I have approximately 35,000 addresses in an Excel spreadsheet that need to be geocoded. They fall into 4 categories, so it wouldn't have to be a single batch. I was hoping to not have to pay for the ...
0
votes
1answer
162 views

get and change style property openlayers

i need to change the property of some style after its created, and i need to change it with knowing only the string of the property name. i am getting string like "fillColor" and value like "blue", ...

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