Tagged Questions
11
votes
1answer
101 views
Assign projection to a satellite image
Today I stumbled upon a picture taken from the ISS looking down Europe and it is really beautiful.
So, I started thinking I could add more to the picture. Like world borders, cities, road network, ...
1
vote
0answers
27 views
how to get correct geo reference system for a VMap
I am new to GIS, trying to read the GeoRef System for VMap by using the following code:
OGRSpatialReference *ref = layer->GetSpatialRef();
if( ref )
{
QString georefSystem = ...
2
votes
1answer
61 views
Determining the transformation between a satellite image and long/lat
I'm trying to overlay some data onto a satellite image of the UK.
The image is a hi-resolution version of the image below (originally from dundee university):
...
1
vote
2answers
125 views
Why is Format of output data grayed out on Save As dialog for Rectify?
I started georeferencing and I could not save my new "rectify" file, I don't know if is because of the raster or I did something wrong. Then I find out that my control layer is not accurate, it ...
0
votes
1answer
107 views
How do I add a Corel Draw map as .dxf file to QGIS and how do I georeference it?
I have a vector data map of Poland, which I exported from Corel Draw. I can display the map in QGIS. At first the boundaries and subdivisions are only displayed as lines, after saving the data as ...
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 ...
5
votes
1answer
206 views
Determining Natural Origin for a GeoTIFF file (Lambert Conic)
I am trying to display an existing GeoTIFF file (from the FAA WAC set) in an application that requires the GeoTIFF NaturalOriginLongitude tag (FalconView 5.1.1). There are some older files in that set ...
3
votes
3answers
488 views
Convert an arbitrary meta-data-free map image into QGIS project
My background: experienced programmer, amateur historian, complete beginner to GIS (so I'm using QGIS). I did learn to use the QGIS georeferencer tool though.
The input: suppose I have an image like ...
4
votes
3answers
468 views
How do I specify a CRS for a fictional game map in QGIS?
I am about to start playing a steampunk RPG game called The Iron Realm, which uses a fictional world map. I have recently started using QGIS v1.7 and have no real experience with GIS sysstems. I have ...
