0
votes
1answer
13 views

Confirm Connect WMS Feed

We currently use Pitney Bowes Confirm Connect for our highways inspections. We are trying to use our own WMS feed instead of the default Bing Maps to allow us to have access to information such as ...
0
votes
0answers
3 views

Troubleshoot with “Split selected features with selected line from another layer”

I am trying to use the "Split selected features with selected line from another layer" tool from the plugin Digitizing Tools in QGIS. Sometimes, this tool works with my shapefiles but sometimes it ...
0
votes
0answers
3 views

QGIS Server Returns Blank Page on Windows 7

I have installed QGIS Server through OSGEO4W. I followed the instructions the instructions on this page. This link shows me the GetCapabilities xml text. So far so good. http://localhost/qgis/...
0
votes
0answers
7 views

Uncaught TypeError: d.Wa is not a function

I am trying to add a feature collection fetched from a server to the source of an empty vector layer, but I am getting this error (using OpenLayers 3): Uncaught TypeError: d.Wa is not a function I ...
0
votes
0answers
2 views

Problem importing shapefiles into autocad

When I import a shapefile into Civil 3D 2014 my attribute fields are adding three more significant figures to the end of my values. I have played around with the precision and scale and between float ...
0
votes
0answers
5 views

Problem with rendering polygons Qgis2threejs

I have a polygon shapefile cotegorised according to a specific field. I want to present that 3D with the help of Qgis2three.js (sth like that). I have installed the plugin and have chosen the polygon ...
1
vote
1answer
13 views

Automating the deletion of donut holes

I am using ArcGIS 10.2.2 and I need a way to automatically delete parts of a sketch. For example, I have multiple polygons with numbers inside of them. As shown below, the polygon has the number 28, ...
1
vote
1answer
222 views

Adding Esri imagery to QGIS using “services.argisonline.com”

I'm trying to add this particular imagery in QGIS: http://services.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/3 But when i write the phyton srcipt i get the message that the URL ...
1
vote
2answers
155 views

Spatial Analyst's CostPath toolbox/function has PATHCOST of 0 when using in_memory workspace

I have a point feature and am interested in finding the least cost path between two points in the feature using a raster as the cost surface. I first calculate the cost distance and cost backlink via ...
0
votes
0answers
3 views

I can't display a vrt layer with mapserver 6

I have created a connection type OGRVRT in a mapfile to display a csv file. It doesn't work : it says that the memory can't be read. I can't find the reason why. Here is the mapfile : LAYER ...
1
vote
0answers
5 views

R/ggplot2 adding an additional line/polygon to a choropleth map

I have a choropleth map that represents the number of states being affected by a storm event. This is shown in the image below. I want to lay a transparent line or polygon over these states to ...
0
votes
0answers
4 views

Least Cost Path for connecting start- and end-points of guard rails ArcGIS 10.2

I have been trying to connect start points and end points of guard rails with lines that follow along the sides of roads. Of course, this is more complicated than converting points to lines because I ...
0
votes
0answers
3 views

Assigning irregular points to a grid and assigning grid number as attribute

I have a large point data set that has irregular geometry (random sampling) that I want to bin in 2D XY space. I've attached a sketch below to illustrate what I mean. Apologies for hand drawing, hope ...
0
votes
1answer
12 views

Odbc_fdw.control is missing

I am using cartoDB and Postgres 9.3 including PostGIS. When I try to create development user in cartoDB I get this error: 'CREATE EXTENSION IF NOT EXISTS odbc_fdw SCHEMA public;' ERROR: could not ...
0
votes
0answers
9 views

working standalone app .exe from python3 script that imports osgeo gdal? [on hold]

I have a script written in python 3.5 that uses osgeo gdal (1.11) to extract maps and file info from geotiff files. I would like to compile this code to create a standalone app on windows, and I use ...
0
votes
0answers
14 views

How to add WMS Layer in custom projection to Qgis?

I published layer from ms-sql server on Geoserver. In sql table i have srid=60900. On Geoserver srs=60900. In Layers Previews layer looks nice. Now i tried show it in Qgis. I add projection and call ...
0
votes
0answers
6 views

Lock circleMarker size - Leaflet R

I am searching for a way to lock the size of the circle markers in Leaflet for R, addCircleMarkers(). I need the markers to retain the size they are relative to the polygon they are within upon ...
1
vote
1answer
525 views

Georeferencing - Arcmap 10.2: Trouble with deleting control points

I'm trying to georeference a raster using a rivers vector (polyline) feature class. I started by shifting and rotating the raster. However when deleting a control point to reduce my RMS, both shift ...
5
votes
2answers
85 views

QGIS 2.16 Merge lacks folder option

I've installed QGIS 2.16 and have noticed that the Merge (Vector Menu>Data Management) doesn't appear to have a Folder option anymore. This was the option that allowed you to process/merge a complete ...
3
votes
1answer
214 views

How do I export circles from ArcObjects to WKB?

I have a small circle in SDE which I'm trying to extract through ArcObjects into well-known-binary (for later import into other systems). Using the IWkb interface I can obtain the WKB, but it comes ...
0
votes
0answers
17 views

Create table that is not registered with a SDE Geodatabase

I am doing some testing that requires having a table in a Oracle 11g/SDE 10.3.1 database that is not registered with the geodatabase. For instance, Adding an Incrementing ID Field can only be ...
0
votes
0answers
8 views

Sentinel-1: biomass for agriculture

How can I calculate biomass for some agriculture by using VV and VH polarisation SAR images? I know there are some correlation for HV RADARSAT-2 to get biomass for some agriculture like corn, wheat, ...
2
votes
1answer
46 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
1answer
9 views

get path from where QGIS is loading the plugin dll

In my QGIS plugin I want to get the path of my plugin. As yet I done this so: QDir appDir=QDir(QCoreApplication::applicationDirPath()); appDir.cdUp(); QString sPluginFile=appDir.path()+"/apps/qgis/...
4
votes
3answers
536 views

How to emulate the modulo operator in a style rule?

I have SHP layer loaded in QGIS. It consists of lines with attribute column z, containing integer value associated with line elevation in meters. Lines are drawn at 10 meter increment, and I want to ...
0
votes
0answers
4 views

Download Modis LAI/FPAR product with MODIStools R package

I want to download the full MODIS archive for the LAI product using the MODIStools R package. I am running the command lines below but the output file only contains data from 2014 onwards. Any idea ...
8
votes
4answers
1k views

QGIS choose contour line labels

Is it possible to select only one contour line for labelling? I have numerous labels for each line and I'll prefer to label only the main ones, such as 1000 m and 1500 m
2
votes
1answer
40 views

QGIS Calculate Field with Function Editor invalid expression

I have some data which is built like this: a,bbb,ccc where bbb and ccc vary in length. I want to extract the last segment of the string, after the second ",". Using the Function Editor: from qgis....
2
votes
1answer
65 views

how to join a road network into as few lines as possible?

I am processing a polyline file that contains multiple lines representing city roads. I would like to join the lines together into as few lines as possible. I've tried using the 'join multiple lines' ...
0
votes
0answers
4 views

Creating a COM object from QgsMapCanvas

I want to embed a QgsMapCanvas object to a Windows Form. I did some digging but couldn't find much about if anyone has done it before. Is this theoratically possible and/or practical?
0
votes
1answer
169 views

Geoserver: WMS layer is shifted at certain zoom scales in openlayers

We use geoserver to serve WMS tiles inside a openlayers environment. The weird thing I see is that, in our production environment, depending on the scale, data is shifted (translated) against the OSM/...
0
votes
1answer
6 views

Paginate with FeatureTable widget?

I'm using the FeatureTable widget to add a table to map app that I built in the 3.17 JS API. As it's currently set up, the table loads more content as you scroll. My trouble is that my table has tens ...
0
votes
1answer
8 views

GRASS dependecies issues in Windows QGIS (i.vi for instance)

I have QGIS (2.14.3) and GRASS (7.0.4) desktop installed on windows 7 and have successfully installed the "GRASS" plugin in QGIS (using plugin manager). However, some of the GRASS dependencies, such ...
0
votes
0answers
8 views

Problems with lines in the “segmentation” orfeo-toolbox and image shadows

I am trying to work with orfeo-toolbox for habitat mapping by using the "segmentation" tool. The output is great for the most parts but I keep getting tile lines that shouldn’t exist. Just like in the ...
1
vote
1answer
13 views

Use gdalbuildvrt then gdal_translate changes Corner Coordinates

when I use: gdalwarp -dstalpha -multi -t_srs epsg:900913 b172.tif b282.tif b770.tif b771.tif b772.tif b832.tif w_25k.tif I can get one merged tif then go through gdal2tiles for tiling But if I use ...
2
votes
0answers
11 views

How to edit an existing layer using leaflet?

I am used to working with OL3 and I wanted to try using leaflet and see if it is as powerful as OL. I loaded a map with some data from a GeoServer WFS layer using this tutorial from Georepublic. var ...
0
votes
0answers
7 views

QGIS Legend in print composer is corrupted

The legend in the print composer seems to be corrupted. It only shows a few items and when generated; stretches to a massive size and cannot be made smaller. This is a frustrating problem and I just ...
1
vote
0answers
3 views

how to change background image OpenStreetMap default in Qgis Webclient

I have an Apache server with Qgis WebClient in Windows 10 64-bit operating properly. I would like to know how to change the backgroud OpenStreetMap image to open default using Google Map on project....
0
votes
1answer
17 views

QGIS Topological editing error - the new polygon overwrite the existing one after saving layer edits

I'd like to digitalizing a map and when I draw a new polygon which overlaps an existing one, at first it merges the boundaries correctly, but after i'm saving the layer edits, the new boundaries ...
2
votes
1answer
240 views

Showing link for every city at different zoom levels using Leaflet?

I have a Leaflet map that I am using to render a map of the U.S. The map will have specific zoom levels. For example, when the map first loads it will show major U.S. cities. Then if you zoom in it ...
0
votes
1answer
6 views

How to preserve properties (like -p) in topojson conversion in Mapshaper?

I'm trying to use mapshaper.org to convert some geojson files to topojson, and I need the identifying properties to be preserved. Normally this would be done with the -p flag on the command line, but ...
0
votes
1answer
20 views

problem in openlayers3 with mapserver-cgi

I want to form a map using mapserver-cgi. But it does not fit the basemap( OSM). msLayer = new ol.layer.Image({ source: new ol.source.ImageWMS({ url: 'http://localhost/...
3
votes
0answers
15 views

Stop Qgis layer from refreshing every time I pan

I've got a layer in a QGIS project which source is a PostGIS view. It's a quite complex view and needs like 20 seconds to load (it makes several spatial analysis). My problem is that the QGIS project ...
1
vote
0answers
38 views

Updating a table using outputs and update.da.cursor

I have the following code however I need the outputs in a table which can be analysed further. How can I take the outputs from the code below and input into the table. I know I need to use a cursor ...
1
vote
1answer
33 views

How to use the QGIS GDAL Toolbox Offset lines?

I try to create a single sided Offset line for a line. I used the GDAL-Tool "Single sided buffer and offset lines for lines" but I fail. The error message says "wrong number of arguments to function ...
0
votes
1answer
23 views

How to add legend to rasterlayer in Qgis2Web plugin while exporting maps?

Is it possible to add a legend for Rasterlayer directly from the Qgis2Web Plugin or do I need to add the code manually? I added an image of an example (DEM raster) and a Vector Layer. It doesnt ...
0
votes
0answers
3 views

laszip batch process in qgis extension lastool

i am using qgis 2.16 in that lastool plugin contains laszip option. please tell how to run batch process in laszip. ill not able to add multiple files at a time in batch process.result came only for ...
0
votes
0answers
15 views

Setting extent to ArcSDE layer with ArcGIS for Server?

I am trying to find the way to set the extent to SDE feature dataset and feature classes to an specific coordinates. I can do that by using a SDE command, sdelayer -o alter -E minx,miny,maxx,maxy, or ...
3
votes
3answers
580 views

Can a raster map in GRASS be saved in JPEG/BMP format?

I'm trying to save a raster map in GRASS in jpeg/bmp format without using the GUI for d.out.file/d.save. Is there a script to do it? I tried r.out.gdal but it produced a map that is black and white.
1
vote
1answer
54 views

How to find Gaps between road segments in ArcGIS

I have huge data and want to find out gaps between segments. Although I have used Near tool and found some results but not a clear picture.

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