Tagged Questions

1
vote
1answer
39 views

Vector Layers are not lining up and are scaled differently

Hey I am a first time user of GIS and I am working for a transportation map of North Carolina for a project at my work. So what I have been doing is first placing the Tiger County Boundary by using ...
1
vote
2answers
34 views

Problem with reprojecting raster from MGI 6 to WGS

When I reproject a raster from Mgi 6 to WGS 84 using Warp in Quantum gis it makes mistake ( about 380m). Is there any way to avoid this?
1
vote
1answer
36 views

Modify CRS to match boundaries of shapefile

I have boundary data in WGS 84 and data in a custom generated CRS. The data in the generated CRS appears to be offset by a particular vector. I want to attempt to match the generated CRS projection ...
2
votes
2answers
129 views

CRS in QGIS and ARC don't line up (Malaysia RSO Projection)

I am using QGIS 1.9.0 on Linux Mint; and I am new to (Q)GIS I have three layers (2xshapefiles, 1xopenlayer[Bing Maps]) that I am trying to line up located in peninsular Malaysia. Shapefile_1 is a ...
1
vote
1answer
55 views

Shapefile CRS damaged. How to bring it back?

I have two shapefiles with same location and extends (EPSG 4326). But one of the shapefiles CRS seems to be damaged after doing a lot wrong with reprojection... its not shown on the same position as ...
2
votes
1answer
40 views

CRS Austrian Lambert/WGS84

I am totally new to Qgis (or GIS in total): My problem is to get two layers in same CRS to do an intersection and further analysis described in the blog of underdark (Groupstat tutorial). My is the ...
5
votes
1answer
154 views

Does anyone know the proj4 Coordinte Reference System command line for Rectangular Polyconic Gores?

I am a GIS beginner using QGIS 1.8.0 I am trying to transform a world map from the standard WGS84 Coordinate Projection System to a set of rectangular polyconic gores, with a gore count of 12. ...
2
votes
2answers
80 views

QGIS 1.8 on Ubuntu 12.04 doesn't transform CRS properly

I have a weird QGIS-Problem that only occurs in Ubuntu 12.04, but not in Windows 7. I've also tried this on different Ubuntu-Computers. When I try to transform a layer with WGS84 to a different ...
6
votes
2answers
221 views

Why do my Shapefiles not align correctly?

First: I'll summarize what I understand so far so please confirm or correct me. When On-the-Fly is selected a layer is re-projected from that of the layer's CRS to that of the project CRS, IF ...
1
vote
2answers
74 views

Problems with Combining Layers in QGIS

I am trying to add the political boundaries baselayer from http://www.cec.org/Page.asp?PageID=924&ContentID=2336 and then on top add points where I gathered coordinates from Google Earth (using a ...
1
vote
1answer
98 views

Projecting shp from GK3 to UTM32 with BeTa2007

I've experimented with projections of shapes, used the official provided grid beta2007 for germany and noticed differences between transforming by double exporting over custom CRS in QGIS and ...
1
vote
2answers
98 views

ESRI State Plane Coordinates as EPSG

I am working with some State Plane projections from Colorado. I have looked them up on spatialreference.org and they are the following: ESRI:102254: NAD 1983 HARN StatePlane Colorado Central FIPS ...
0
votes
1answer
85 views

Why are layers not overlapping to each other inspite of having same CRS? [closed]

I am new to QGIS and working with QGIS 1.7.3 version, I have my all layers in WGS 84 CRS but even though they are not overlapping to each other, What should I do ?
2
votes
1answer
229 views

Export to new projection in QGIS 1.8

I would like to use QGIS to convert a CSV file from UTM to lat/long. I imported the CSV file with the "Add Delimited Text Layer" plugin. This works fine, the data looks like it is projected properly ...
1
vote
2answers
325 views

How to convert a Shapefile from bessel1841 to WGS84?

I would like to convert a shape file which has +ellps=bessel to +ellps=WGS. In my understanding, even QGIS1.8.0, it is impossible. Let me know the free software which is able to convert shape file ...
8
votes
1answer
244 views

How can I see the coordinate transformation parameters in QGIS?

How can I see (and edit if possible) the transformation method and parameters used by QGIS for "on-the-fly" transformation, and then for saving data in another CRS? Like in ArcGIS? Here is the ...
0
votes
1answer
160 views

QGIS 1.8.0 - Define shapefile as UTM 15 NAD83 Feet

I have a shapefile which the .prj file says it is ...
2
votes
2answers
147 views

Why do I get “Failed to transform” when reprojecting from WGS84 to Google Mercator?

I am attempting to re-project a vector shapefile from Natural Earth, following a qgis tutorial. Another user reported this error, but a solution has not yet been reported. Given this post, and the ...
3
votes
2answers
217 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 ...
4
votes
0answers
186 views

How can I improve my Georeferencing results?

Background This is my second question related to georeferencing naked raster maps in order to re-visualize them on different coordinate systems and in conjunction with other data layers. The previous ...
2
votes
1answer
217 views

Reprojection from WGS to Slovenian Gauss Kruger in QGIS

I have gpx file (track) in WGS84 (EPSG: 4326) coordinate system from Garmin GPSMAP 62 which is right projected in BaseCamp and MapSource. When I save track as *.GPX and import it to QGIS and use ...
2
votes
1answer
411 views

QGIS: On the fly projection from WGS84, 19 N, to Web Mercator. Do I need to define a new CRS with transformation parameters?

Workin in QGIS, I have a shapefile called "protected areas" of Dominican Republic, that was digitized from topomaps 50k. Shapefile is projected to WGS84, 19N zone. My problem is that when I load ...
3
votes
1answer
225 views

Raster incorrectly reprojected to OSGB(27700)

Ubuntu 12.04, QGIS 1.8.0, GDAL/OGR 1.7.3, GEOS 3.2.2 Open a Spatialite db with OS Mastermap poly layer (EPSG:27700); Add OpenLayers Plugin (1.0) from QGIS offical repository; Add a Google Satellite ...
0
votes
0answers
104 views

Why the georeferencing in UTM does not work with the QGIS georeferencer?

First time here, sorry if this looks simple. I use QGIS on Windows 7. I georeferenced a toposheet with geographic references to UTM. When I superimpose a UTM raster, the toposheet is near the origin ...
5
votes
1answer
407 views

How to reproject a raster file in QGIS with datum transformation?

I want to reproject a tiff raster file from projection A (ETRS89/UTM Zone 32) to projection B (DHDN/Gauss-Kruger zone 2). The two projections have a different datum so I have to use a datum ...
5
votes
1answer
161 views

How to reproject a raster in QGIS?

I am a history teacher and I like to make my own maps (I can never find exactly what I want). I am using QGIS 1.8 and Natural Earth data. I want to reproject their cross-blended hypso rasters into ...
1
vote
1answer
109 views

Taking a 'custom' map and transforming its x/y co-ordinates to 'real' long/lat co-ordinates?

I was wondering if someone could help me out with a little project I'm working on. I'll try to describe what I'm trying to achieve - if it doesn't make sense, please let me know. I have in front of ...
0
votes
1answer
181 views

How to solve the reprojection problem? [closed]

i have used a UTM image to create a shapefiles,after that i have exported it as KML file and it came in the exact position in Google earth,then i have reprojected the UTM image and got the image as ...
1
vote
0answers
202 views

How to reproject a raster in QGIS? [closed]

I wanted to reproject raster file from UTM to decimal degree in QGIS version 1.7.1 or 1.8.0.. I could reproject one raster file before in QGIS Version 1.8.0. I have tried again, but now we cannot ...
3
votes
2answers
634 views

How to reproject a vector layer in QGIS?

I have some shape file which is in UTM. I wanted them to convert to Decimal Degreesin QGIS. Hope I can get some better response.. Thanks.
2
votes
3answers
205 views

Is there any way to reproject multiple layers in QGIS?

I'd like to be able to consolidate not only the layers of a QGIS project (using QConsolidate) but also the projections used by each layer. On-the-fly projection reduces performance in QGIS, and this ...
1
vote
3answers
914 views

How to convert the file with projections in meters to Lat-Long in QGIS ar Erdas Imagine?

I have file in Lambert Conformal comic formate for the data of Australia, Its cordinates are in meters. I want to convert it into the Lat-Long system. Which Projection, Spheroid and Datum I should be ...
5
votes
1answer
335 views

Custom Geographic Transformation on QGIS

Is there a way to create a custom geographic transformation with specifics parameters in QGIS like in ArcGIS? Okay, I want to tranform SAD69 system into WGS84. Well, I'm in doubt because in ArcGIS ...
2
votes
1answer
714 views

Convert area from square meters to degrees globally

I have a global raster file with 3600x1800 pixels. I don't have any information about the projection used. The raster contains one band with a quantity with the unit "per square meter". How can I ...
1
vote
1answer
113 views

Looking for CRS for NAD 83 UTM Zone 30N

I'm curious as to why the UTM zones are incomplete for NAD 83 in QGIS? I have a WGS84 shapefile that I would like to project to NAD83 UTM Zone 30N but can't find it in the QGIS CRS list. I see how ...
1
vote
1answer
125 views

QGIS - WGS84 to BC Albers reprojection no curved lines, any idea why? How to snap a line to a point?

I am trying to learn a bit about QGIS. So I thought I would drop in some layers of my Province and then recreate some points representing the BC Albers Central Meridian, and the two standard ...
2
votes
1answer
440 views

Projection ETRS89 (Ellipsoid: GRS80) 6-Degree Zone 33 to UTM33N - WGS84

Hi I'm having trouble to reproject a shape file in Qgis. The projection is supposed to be "ETRS89 (Ellipsoid: GRS80) 6-Degree Zone 33" and I would like to project it to UTM33N - WGS84 (EPSG 32633). ...
1
vote
1answer
104 views

Projection - once again

I have a shape file with nature preservation areas (Biosphärenreservate) in Germany. I think the projection must be something like gauss-krüger zone 4 Pulkovo or something like that. When I reproject ...
1
vote
2answers
234 views

How to shift the Map a little bit?

I'm having trouble with two maps, both UTM33N/WGS84. They should be exactly on top of each other but there is a slight shift between them of probably a few hundred meters or so. I Tried to adjust ...
2
votes
0answers
413 views

OSGB36 to WGS84 reprojection 'error'

First off, I am a recent convert to QGIS and am greatly impressed with its ease of use and speed compared with the ESRI products with which I am more familiar - my congratulations and thanks to its ...
1
vote
1answer
425 views

Reprojecting a shape to UTM33

I still have trouble reprojecting shape files :( I would like to reproject it to UTM33N / WGS84 (EPSG 32633) I think the projection of the shape might be Pulkovo 1984/ Gauss-Krüger Zone 4 (EPSG ...
1
vote
2answers
5k views

How to convert coordinates from meters to decimal degrees?

I have a shape file. The coordinates (Lat/Long) are projected as meter (555000, 155000). But, I want to re-project it to decimal degrees(51.523666, -0.07467). How can I do it with ArcMap or Quantum ...
1
vote
1answer
160 views

Why are layers not lining up with others with the same CRS? [closed]

I am creating a project on the UK and have downloaded various shapefiles. When I add a vector layer they are coming up as if they are not lining up. Some layers are nicely on top of each other with ...
2
votes
2answers
443 views

How to convert Garmin Waypoints to Google Mercator?

I have georef some topocards with QGIS and the Google Hybrid Layer. So, this cards are connected with the Google Mercator System. Now I have some waypoints taken with Garmin GPSmap62 (in WGS84). ...
1
vote
2answers
629 views

How to project TIGER & WGS84 to Spherical Mercator?

So I've been banging my head on this for about a week now. I'm using QGIS on a Mac. I have various shapefiles in WGS84 and Census TIGER NAD83 (EPSG:4269) and I would like to give them the same ...
1
vote
1answer
280 views

Looking for help identifying projections and reprojecting

Hi there at the new forum, I'm still struggling with projections in qgis. The "Vogelschutzgebiete" reprojection worked. But these ones seem to be tougher: ...
4
votes
2answers
200 views

How to Intersect a layer with custom CRS with NED data?

I am trying to create a map with a layer of county tax assessor property parcels plus NED elevation data. The projection of the tax assessor layer is a weirdo -- looks like user-created by the ...
2
votes
1answer
856 views

Quantum GIS Reproject a projected coordinate system with rotation

I have two shapefiles:- one in WGS84 Z30S and one in a custom, system based, projection. I need to convert the custom projection into WGS84 Z30S. I have a set of parameters including a shift in X and ...
2
votes
3answers
3k views

Export to new projection in QGIS 1.7

Suppose I have layers A and B. I don't know their projections but by the looks of the map I know they are not the same. In QGIS 1.6 I would use one of my favorite features: Vector> Data ...
1
vote
2answers
1k views

Problem reprojecting data from personal geodatabase using QGIS

I have a dataset in the form of a personal geodatabase (mdb) and am interested in using certain feature classes for further processing. My problem is - I am using USGS data orthoimagery which comes ...

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