2
votes
2answers
43 views

Copy DEM attributes to a vector point?

I have a point that I drew on a tiff DEM file in QGIS. The point doesn't have any information in the attribute table except an ID of 1. How can I make it copy the raster information based on the ...
0
votes
0answers
20 views

Converting polylines coordinates stored in PostGIS in column type text, in another column type geometry(MultiLineString,2154)?

I want to draw a polyline on a leaflet map and then send it to PostGis with php. I’m drawing my polylines using the Leaflet draw plugin and send the coordinates in a column “coords” in PostGIS with ...
2
votes
1answer
23 views

OpenLayers 3 / Cesium polygon projection issue

I am using OpenLayers 3 and Cesium (via ol3-cesium). I have created a few rectangles (using a MultiPolygon) stacked on top of each other. Whereas in OpenLayers the rendering (left) is as expected, ...
-3
votes
0answers
17 views

not matching shapefiles [on hold]

I have two shapefiles (s. below) and they are not matching, I know that there is a problem with coordinate systems, but I tried so many things. 1. coordinates from google maps Geographic Coordinate ...
0
votes
1answer
22 views

Assign similar ID to points inside a polygon

I have 3 input datasets of points. What I'm trying to do is to assign a common ID code to the points that are close to each other (no specific distance). I'm using a ModelBuilder to achieve this : ...
3
votes
1answer
28 views

Encryption of spatial data, GIS access and cloud synchronization

I'd like to encrypt a folder of many spatial datasets (rasters and shapes) because my office computer is shared with others. I've never used this kind of security but I think I should preserve my data ...
2
votes
4answers
62 views

merge overlapping polygons with spatialite

The green points, buffered by one of the point attributes, should result in the three areas outlined in red (a table with three rows): I'd like to do it in spatialite. How can I do that? If it's ...
2
votes
2answers
35 views

Is it Possible to Resize the Pixels

I classified this image in ArcGIS 10.3, but my Professor said the pixels are big and I should make it smaller. This is my problem: is there any tool that can use to make the picture grains finer. Or ...
1
vote
1answer
22 views

Is there a way to get one World File from QGIS Atlas?

I used Atlas in QGIS 2.14 to generate an image (map) and an associate world file for each lakes (> 5000) in my database. I want to be able to see all the data in MS Excel as following: 1st column : ...
1
vote
1answer
18 views

Match Button Greyed Out in Interactive Rematch Window

I used ArcGIS 10.3.1 and built a composite address locator from 5 address locators. All locators are in the same file gdb. I geocoded addresses in a table within the same file gdb and tried to rematch ...
0
votes
1answer
44 views

How to configure Geoserver to use a proxy when accessing external services?

I don't want to access my geoserver behind a proxy. I can access it directly. It is in same network as I with no proxy between us. I have a Geoserver and created some layers consuming WMS services ...
1
vote
0answers
10 views

Why does QSpatialite show the same table twice?

I have created a point table in QSpatialite, by creating a new table first and then adding a geometry column, as described here. The table shows up twice in QSpatialite, which surprised me a bit: ...
3
votes
1answer
25 views

QGIS 2.14 Couldn't load plugin 'processing' due to an error when calling its classFactory() method

I understand that my problem originates from the letters in my username which apparently are non-ascii and very Nordic. I just have absolutely no clue how to get around this. I'm on Windows 10 64bit ...
9
votes
1answer
159 views

How to create an animated route map (à la Indiana Jones) in QGIS?

Using QGIS and other free tools, how can I use a Google Maps route to create a route animation in the style of the Indiana Jones movies (https://www.youtube.com/watch?v=5TY5Fp6O5iM)? I have found two ...
0
votes
0answers
53 views

How do companies like DMTI Spatial create/generate the LDU polygon boundaries of Canada? [on hold]

Back Ground on issue: http://www.opennorth.ca/2013/03/05/open-postal-code-data-now.html Related Question: Where can I find Canadian postal code geometries? Canada Postal Unit: LOR 1B7 Canada has ...
0
votes
0answers
12 views

Extracting Geo-Codes of a certain place divided in certain sub-areas

How to pull out the multiple geo-codes of certain place (for example a housing society having a lot of streets & blocks) that is divided in certain sub-areas. I need to pull out the geo-codes in ...
1
vote
0answers
18 views

Export multiple Layer Definition Files (qlr)

I have a postgresql database with approximately 400 tables. I need to generate Layer definition files (qlr) in QGIS for each individual table. Making this manually would take huge amount of time, so I ...
1
vote
2answers
57 views

How do I convert an active kmz file to a shapefile using either ArcMap or QGIS

I need to convert an active kmz file to shapefile. I have a layer file and a kmz file which feed data from a server. If I try to convert using the kml to layer tool in ArcMap it fails as there is no ...
2
votes
1answer
21 views

Discrepancy between GTif or MEM drivers

I was expecting both the drivers would behave the same way, except that 'MEM' will not create the file. However, in this test 'MEM' pass, but 'GTiff' does not. Can someone explain why? class ...
0
votes
0answers
18 views

Can the DLINK DNS-320 NAS be used as (Q/Arc)GIS server

The title says it all. Can the DNS-320 be used as a GIS server? The NAS supports FTP, webdav, NFS, and AFP. It is already set up as an FTP-server. As I've read that using the FTP-protocol is not the ...
0
votes
0answers
13 views

Atlas generation: get attributes of all features from the current view

I would like to show the attributes of every feature in the current view of the atlas. The background: On every page of the atlas is a map with some markers. The markers have got numbers and a text ...
1
vote
2answers
37 views

Address Geocoding Vs Geocoding

Can someone explain me the difference between Geocoding and Address Geocoding? Can Geocoding be for anything else other than postal addresses? If so can anyone please provide me with few examples. I ...
2
votes
1answer
35 views

Empty a layer for each QGIS project

I have a layer with a customized form. Dropdowns, checkboxes, etc. in a QGIS project which is kind of a template. This QGIS project will be copied and pasted every time a new study has to be done ...
1
vote
1answer
23 views

How to create polygons associated to coordinates (QGIS)

I'm trying to create polygons associate to given .csv files. On the polygon I would have to be able to read the coordinates x, y (AND Z) because I need to interpolate points and work with them. I know ...
1
vote
1answer
21 views

GeoServer - Multiple symbology on single layer

I'm trying to show multiple symbologies on a single GeoServer layer. I'm also using the CSS extension, but an SLD example would be fine. My GeoServer version is 2.8.2 For example: A yellow rectangle ...
1
vote
1answer
21 views

Viewshed plugin results in memory error in QGIS 2.6

Everytime I use the viewsheds plugin up to this point I get an memory error. I projected my raster files and the point which I added as an observervation point into a metric system (EPSG:3857 - WGS 84 ...
1
vote
1answer
25 views

con statement to change the default value in ArcGIS

I have obtained a flow accumulation map using Arc Hydro tools and obtained the default value in the range of 0-204567. Now I need to change these value by default so that it gives 1 instead of zero. I ...
3
votes
0answers
17 views

Stripes and Distortion in classification result when performing maximum likelihood classification in ArcMap

I have trouble performing a supervised classification in ArcMap 10.3. I created training areas and executed the "interactive supervised classification"-tool, which works totally fine and gives back ...
-3
votes
0answers
25 views

map with road boundary ,road markers , intersection, crossing…? [on hold]

I am working on a map with detailed geospatial information of road surface, road boundary, road curb ,road markers , intersection boundary, crossing boundary... and those information extract from ...
0
votes
1answer
16 views

Geoserver authentication

I created a user, password and a role, granted access to the layer 'myfeature' only for that role. Now I want to test whether the access restriction works, but I cannot find any documentation about ...
1
vote
1answer
7 views

MapServer square symbol composed of 4 internal squares

I need to create simple square symbol composed of 4 internal squares. SYMBOL NAME 'SQUARE_TL' TYPE vector FILLED true POINTS 0 0 0 0.5 0.5 0.5 0.5 0 ...
0
votes
0answers
27 views

Using python to write on attribute tables of ArcGIS? [on hold]

I had an ArcGIS model (ArcGIS 10.2) and I used Python scripts (Python 2.7) to make calculations with values from attribute tables. Now, I need to put results of python on new attribute tables of the ...
1
vote
2answers
23 views

How to export vector file in GrassGIS to QGIS

I am using GrassGIS to analyze watershed. I created a stream vector extracted from raster elevation data, how to extract the stream vector file so I can open it using QGIS?
-1
votes
0answers
9 views

how to display a form with input fields when event was occurred in arcgis JavaScript? [on hold]

I have been doing some task,in which user draws a polygon on base map by using drawing tools, the form has to be generated after the polygon was drawn or form has to be generated in double click ...
0
votes
1answer
15 views

Getting Generate Near Table to use North Azimuth System when calculating angle?

How can I to get "generate near table" to use "north azimuth system" when calculating the "angle" instead of Polar angles? I tried to change it in editor by; On the Editor toolbar, click the ...
1
vote
0answers
17 views

Suitable font size for road network for A0 -A1 print size QGIS

I need to print big paper maps, Im using QGIS to design my maps. But I would like to get advice on suitable front size for road names. With the map as big as A0 I can basically fit all text labels for ...
0
votes
0answers
24 views

Shape File CRS Conundrum

In QGIS I have 2 Shape vector layer files which should overlay approximately one on the other. They have both been downloaded from the same government website (data.vic.gov.au) with the same ...
3
votes
1answer
39 views

How to change color ramp interval size in QGIS 2.12?

I'm working on elevation data and I'm trying to change the interval size to 50 meters in the layer's style. I created a color ramp color interpolation on the elevation layer. The values are between ...
3
votes
0answers
23 views

Animate panning map in QGIS

I want to create a short video illustrating the route of a proposed road by starting the map in one position, then panning to a number of other points. Is this possible in QGIS using the time manager ...
3
votes
0answers
38 views

QGIS freezes /crashes and Minidump-Analysis

I am using a QGIS-project with several WMS-Layers(up to 20) and Shapefiles for digitizing. There are random freezes of QGIS(2.14.1) which end up in a crash of the program. Minidumps are not always ...
0
votes
0answers
26 views

How to add dynamic text in standalone PyQGIS to reflect iteration of layer names

I am working with a standalone PyQGIS script below (that was given as an answer to How to iterate over layers and export them as PNG images with PyQGIS in a standalone script). The script exports the ...
1
vote
1answer
24 views

How to get QGIS to use dedicated graphics card over integrated

does anyone know how i'd be able to get QGIS in either windows or Ubuntu to use the dedicated graphics card over the integrated graphics? I am attempting to speed up the processing of a supervised ...
0
votes
0answers
10 views

Geoserver 401 error [on hold]

I'm using PHP to create workspace and datastore in Geoserver 2.8. But it keeps saying following error: HTTP Status 401 - Full authentication is required to access this resource type Status report ...
1
vote
1answer
52 views

Delete table rows in non-spatial database using arcpy

Working on a python script that does a bit of spatial analysis on a few layers, a spatial join of those layers, and then pulls data from a couple of other tables and holds them all in an in_memory ...
1
vote
3answers
36 views

Fiona error adding property to shapefile

I'm getting the following error when trying to add a property to a .shp file using fiona in python: Traceback (most recent call last): File "<ipython-input-38-5f04c3b56601>", line 17, in ...
1
vote
0answers
29 views

Create points along line using CCTV data (irregular interval!)

I am trying to create points along a line using CCTV data for our wastewater network using ArcMap 10.3. There is no field within our pipe to specify upstream/downstream so I have determined the flow ...
1
vote
0answers
10 views

MapServer runtime execution: Cannot evaluate expression, no item index defined error

I'm trying MapServer's run-time substitution to dynamically set my Mapfile's CLASS EXPRESSION values. The expressions take the form of: CLASS EXPRESSION (([my_attr_col] >= num_1) && ...
0
votes
2answers
28 views

Unable to connect PostgreSQL 9.5 from QGIS 2.14.1

I created new database called "shashi" in PgAdmin III. In QGIS to create new connection I entered following details. In PostgreSQL 9.5 pgAdmin lll Please enter password for user postgres on server ...
1
vote
1answer
39 views

Splitting polygon into two equal parts from specific point to polygon dividing line?

I want to split a polygon into two equal parts but I want from a specific point to the polygon dividing line. How to do this using ArcGIS Desktop 10?
-4
votes
0answers
14 views

how update data WFS in geoserver by leaflet [on hold]

I would like to modify the data that is in a database postgis that is shared in geoserver i work with WFS and geojson and leaflet .

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