Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms (1)

0
votes
0answers
10 views

Pseudo Mercator error?

I'm mapping on QGIS, I have a vector layer and his CRS is on EPSG:4326 - WGS 84, but also I wanted to put a satellite image, so when I do it, the image use WGS 84 / Pseudo Mercator. The problem is, ...
0
votes
0answers
57 views

Onclick event with polygons

My requirement, when I clicked on any polygon on the openlayer I need to show the respective information in the popup. Right now I am using the below code. eventListeners: { getfeatureinfo: ...
0
votes
1answer
141 views

Openlayers draw multiple coordinates off KML data coming from the database

I am a pure beginner of openlayers, I have a KML data coming from the database which describes all the cordinates of zip code 45050, I would like to draw these coordinates onto openlayers map as ...
3
votes
2answers
93 views

Can the new Mapbox Vector Tiles be used as a QGIS basemap?

With the implementation of the mapbox vector tiles begs the question of how these could be used as a basemap in a QGIS printed map (assuming anyone cares about printed maps anymore!). To use OSM data ...
0
votes
1answer
55 views

QuantumGIS EPSG:3857 doesn't match with leaflet

Leaflet documentation said that they has EPSG:3857 as default projection. Using QGIS with open layer plugin, I point to a location to find it's coordinate. I used EPSG:3857 in QGIS as well. The ...
1
vote
1answer
46 views

Digitized vectors don't match while zooming [duplicate]

I'm trying to digitize in QGIS with Google Maps as the background. Digitizing with constant zoom works fine. But if the zoom is changed, the digitized vectors don't match the Google Maps background ...
3
votes
1answer
304 views

Why do OpenLayers layers appear shifted in map composer?

I'm having trouble with the OpenLayers Plugin of Qgis and the map composer: If I create an OSM-background layer and if I want to export this, the OSM-Layer looks perfectly all right in the normal ...
4
votes
1answer
109 views

Why does the Google satellite layer changes the project CRS?

I have a project and a topomap in WGS84 (EPSG4326) On the fly CRS transformation is activated I open Google satellite layer from the OpenLayers plugin The Google layer is WGS84 / Pseudo Mercator ...
1
vote
1answer
42 views

How to add another layer origin in my installed OpenLayers plugin?

Can I modify my installed Openlayers plugin files to add a new layers origin? If yes, what files?
1
vote
0answers
21 views

Refresh Database automatically

I'm a new user of QGIS. I have a problem trying to update layers from a database. I have a MySQL database in a server that I add as a layer (or more than one, depends on the project) with no problem. ...
0
votes
1answer
77 views

OpenLayers Plugin won't render maps correctly

In QGIS, I've created a map by adding a Tiger layer of my county, a KML of a water feature, and a geo-coded CSV of points of interest. I'm trying to add another layer using the OpenLayers Overview. ...
1
vote
2answers
151 views

Is there a way to clip the Google Satellite Layer from open layers plugin?

I have imported the Google satellite imagery though open layers plugin. I would like to clip it to a polygon shapefile of New York State. Is it possible to do this? I tired the GDAL Tools and it wont ...
0
votes
4answers
405 views

How to use Dealul Piscului 1970/Stereo 70 (EPSG:31700) with Google Mercator?

To open Google layer I use OpenLayers 0.93 plugin, the base layer has CRS "Dealul Piscului 1970/Stereo 70 (EPSG:31700)", the Google layer is set to "Google Mercator (EPSG:900913)". The same base ...
1
vote
2answers
63 views

QGIS Holux gpx file doesn´t show up

I´ve got a problem with displaying the imported gpx file. The gpx file is created in Holux Funtrek 130 PRo. The map I use is from Openstreetmap, I am sure it is the right map from the location I ...
3
votes
2answers
222 views

Why does On-the-fly reprojection not line up Google layers in UTM?

My UTM shapefile lines up with Google layers if the project CRS is set to WGS84 mercator projection (including default 3857 and Google). But if I set the project CRS to UTM Zone11, they are slightly ...
2
votes
2answers
613 views

OpenLayers plugin and QGIS 1.9: Error after install

After I install the OpenLayer Plugin (1.0.0) on my QGIS 1.9 this error appears: Konnte Erweiterung openlayers_plugin nicht laden wegen eines Fehler beim Aufruf seiner initGui()-Methode Traceback ...
2
votes
1answer
190 views

How to make world file in WGS84 out of OpenLayer's Google Earth layers?

I would like to make world file out of OpenLayer's Google Earth. The problem is, that Google Earth layers in Qgis are shown EPSG:3857, but I need just standard WGS84 (ESPG:4326). When I try to set ...
0
votes
0answers
102 views

how to plot point on openlayer google street layer programmatically

I want to plot points on google street layer using python programming and postgresql database. Mainly I want to extract data from database and plot it on the google street layer on Quantum GIS 1.8 ...
0
votes
1answer
66 views

How to reproject base layers in QGIS once open layers are removed?

I recently discovered the wonders of the osm maps. however now all my projects have all gone curved. is there a way to go back to how they were set originally. opposite to this question: How to ...
1
vote
2answers
95 views

OpenLayers: How to draw multiple zipcodes with multiple colors

I have well-Known Text (Wkt) for 2 zipcodes, it could be for more but I want to draw 2 zipcodes first, how to draw them with boundaries and how to set the color for each zip code different than the ...
1
vote
4answers
269 views

How to Digitize Free Satellite Imagery in QGIS?

I am trying to digitize OpenLayers data (such as Google satellite imagery) with no success. Whenever I try to move or zoom the canvas the vector layer I digitized loses the position relative to the ...
5
votes
1answer
102 views

How do I make the scalebar accurate when I am working with a google satellite image in QGIS?

I start a project in QGIS. I set the CRS to anything (in this case I use EPSG=26918 a NAD83 datum). I also enable on the fly projection. Then I import a vector. In this case a kml, which I believe is ...
6
votes
2answers
251 views

How to get correct area calculation using Google Mercator?

i use QGIS with openlayers-plugin and i´ve loaded google satellite as a layer. what i want to do is making a shape-layer (polygon) with the goal to get the area values of the polygons. i´ve activated ...
0
votes
1answer
198 views

How to improve OSM layer resolution in OpenLayers plugin while exporting?

I'm having trouble with the OpenLayers Plugin exporting a map to a png or pdf file: The output resolution of the exported osm-layer is very, very poor. Zooming to 100% in the png file shows big ...
2
votes
2answers
972 views

How to install OpenLayers plugin in QGIS1.8

I am using QGIS 1.8.0 on Windows 7 (32-bit) but am unable to install the OpenLayers plugin. The Python plugins menu does not include OpenLayers on the plugin list. Can it be somehow added manually? ...
1
vote
1answer
305 views

Openlayers Overview and OpenLayers versions

I have installed OpenLayers and the Openlayers Overview plug-ins but I am not sure if they are working. I can create new 'open' layers from the Openlayers plug-in drop down, but when I try to add a ...