4
votes
0answers
1k views

How to connect QGIS web client with Geoserver? [closed]

i installed qgis server and qgis web client. and i can see localhost/web/site/qgiswebclient.html?map=/var/www/web/projects/helloworld.qgs&format=image/png&visibleLayers=Hello,Country And i ...
1
vote
0answers
122 views

Is there a ModestMaps or other flex library for finding the distance between 2 lat/lon coordinates?

I'm using ModestMaps in my Adobe Flex application. Is there a flex library method to calculate the distance between two of my lat/lon coordinates, or am I stuck coding the Haversine by hand? I've ...
5
votes
1answer
947 views

How to customize legend icons in QGIS?

Under layers in QGIS shapefile polygon layers always seem to be denoted by right angled polygons which translates to the map legend in Composer. Is there any way to change the outline to a more ...
4
votes
3answers
5k views

Creating join based on multiple fields using ArcGIS Desktop?

I have two feature classes in a File Geodatabase that I would like to join based on multiple fields. I've searched this site and Google and all I have come up with was to use the Make Query Table ...
4
votes
2answers
289 views

Saving rasters to postgresQL using raster2pgsql, saving forecast time

I would like to save a forecast which is saved as geoTiffs into a postgresQL database. I've been able to import the rasters using: raster2pgsql -s 0 -I -d tiff/field*.tiff -F public.latest | psql -d ...
4
votes
2answers
1k views

Why are self-intersecting polygons bad?

Working with both ArcGIS and Oracle Spatial, a self-intersecting polygon renders a geometry invalid. Why are self-intersecting polygons a problem?
3
votes
0answers
259 views

Area-weighted rasterising of polygon data

I'm looking for any GIS tool to do detailed rasterising of polygons. I've checked GDAL's gdal_rasterize command (and API), and ArcGIS's Polygon to Raster tool, but they only rasterise 1 attribute per ...
2
votes
0answers
591 views

cant find point/polygon intersect using qgis (windows only)

below i describe the method i am using. i have 2 machines: 1 ubuntu linux, qgis 1.4 - intersection works 2 WIN xp, qgis 1.8 - intersection dows not work hopefully, someone will ...
2
votes
0answers
226 views

How to compress enterprise geodatabase with stored procedure?

I'm looking for a stored procedure in ArcSDE for SQL Server which performs geodatabase compression to include it in our daily maintenance plan. Is there any such thing in ArcSDE 10.0?
6
votes
2answers
291 views

Why am I getting duplicate ghost points (features), i.e., one point in the feature class but two points?

When editing some of the attributes in a point feature class in ArcMap 9.3, duplicate labels started showing up. When I click on the point, I discovered that the point has duplicated itself BUT there ...
1
vote
0answers
101 views

How to find loops in a network

I am a new in this field and need help, how to code using SQL spatial a function that retrieve loops in a network.The input, flag: Geography and barrier: Geography and two spatial tables, first ...
2
votes
1answer
245 views

Connect points along bathymetry contours

I have a table with start and end point data in each row and need to convert them into lines, but I would like something other than a straight segment. Ideally, I want to connect the points via a ...
6
votes
1answer
2k views

How to find the nearest point by using PostGIS function?

table A: lat | long | the_geom | code | sign 13.8433095 | 100.6360357 | 0101000020E61.... | ABC | start_point 13.7544738 | 100.5459646 | 0101000020E6..... | ABC | end_point 13.4124215 | 100.6232332 ...
11
votes
1answer
772 views

Is there a way to add a “current user” label to the print composer?

Is there a way to add a current user label to the print composer in QGIS. I thought there might be something similar to the $CURRENT_DATE format available. This would be in a windows environment.
2
votes
1answer
98 views

How to Improve a Distance Model

I am working on a distance model that creates distance rings around a given point and assigns those rings a probability. The point is in the center of a 25 x 25 km area, and the model fails to assign ...
2
votes
3answers
2k views

How to solve Geoserver Labeling issue

In google map all the labels are rendering well and there are none missing. In my map some times only the point marker is showing and the label is not displaying. I am asking about "Auto align and ...
3
votes
2answers
887 views

ArcGIS Server 10 not publishing map services

In the past week, I managed to set up ArcGIS Server on the server but subsequently encountered errors when publishing a web map in ArcMap. I have set up the ArcGISSOC and ArcGISSOM accounts and given ...
2
votes
1answer
1k views

OpenLayers.Bounds transform not working as expected

I have problem with transforming bounds. It is not working for the first time, later it works just fine. At first i thought that something was still loading butsearching in firebug shows that nothing ...
3
votes
0answers
333 views

MapServer WMS feed and QGIS

I've managed to create a WMS feed from Mapserver showing a tileindex to some rasters and a shapefile and it appears in my browser OK. If I go to QGIS (1.8.0 Windows StandAlone) and I connect to my WMS ...
2
votes
1answer
497 views

Delaunay triangulation doesn't work

I am trying to create a Delaunay triangulation of a set of 3692 points with QGIS 1.8.0. The resulting set of polygons appears unfinished, leaving a small part of the original map uncovered by ...
2
votes
3answers
3k views

Adding WMS and WFS layers from GEOSERVER in arcgis viewer for flex 3.0

I am interested in adding feature layers from geoserver in arcgis viewer for flex config file and consequently display them on the web map.IS that possible? If yes, could someone share how they did ...
3
votes
2answers
882 views

How to find out the co-ordinate system using .prj file

I'm very new to GIS concepts. Is there a way or procedure of finding out whether the co-ordinate system is in UTM, latitude/longitude or in stateplane using .prj file? My .prj file contains the ...
1
vote
0answers
76 views

Implementaion of GSCoverageEncoder for WorldImage in Java

I want to upload a raster image to GeoServer as WorldImage from my Java application. I'm using geoserver-manager v1.4.2 - a Java-based implementation of GeoServer's REST API. It provides convenient ...
8
votes
3answers
623 views

How to select only Spatial tables from the postgres database?

My database contains both Spatial and Non-Spatial tables, but I want to retrieve only Spatial table from the query. Any suggestions to select only Spatial tables. 'the_geom' is the geometry column in ...
2
votes
0answers
832 views

How to calculate the area of a polygon considering the relief?

I work in a fire department and i'm mapping all the fires that occur in my area, creating polygons that represent burnt areas. my problem is that the values are not accurate... for instance, arcgis ...
6
votes
2answers
14k views

Create drive time polygon around a map point

I'd like to create a 30 min drive time polygon around 400 separate points I have plotted to google maps. I have discovered http://www.freemaptools.com/how-far-can-i-travel.htm but this seems to freak ...
5
votes
2answers
2k views

arcpy.UpdateCursor for multiple fields

I've hit a wall trying to loop through multiple fields with arcpy.UpdateCursor. I have a list of files (2) with multiple fields (10-15'ish) that have its own error check in SQL, and an error value to ...
1
vote
1answer
602 views

Why my 'add basemap' data seems taking too long to upload the maps in ArcGIS? [closed]

Can i know the easiest way or any other way to upload Big maps hybrid from add basemap in ARcGIS 10? because it seems taking quite a long time to upload the map like around more than 1 hour and still ...
5
votes
3answers
3k views

Slow IE8 responsiveness with OpenLayers and many features

Background Adding about 700 sites to an OpenLayers Map. Firefox 11 and Google Chrome display the sites just fine. IE8, which is the organization's standard and will not be upgraded for the ...
2
votes
1answer
720 views

How do you format an OGR VRT file to best convert a CSV to KML?

I am attempting to get a nice KML for simple review of POI/geocoding from a CSV. I a using ogr2ogr and a vrt. You can see the vet file below, with two attempts to get this right. Basically, the issue ...
0
votes
0answers
57 views

QGis Smooth Raster DEM [duplicate]

Possible Duplicate: Raster generalization - buffers in rasters, expand pixels? I have a 1m LIDAR DEM which I'm manipulating in QGIS. I'd like to smooth the DEM, such as by having each ...
0
votes
0answers
617 views

Why is a Shape polygon file not editable?

I received a .shp polygon file. When I choose the edit toggle tool in QGIS the little red X's appear as expected. Then when I try to edit the polygons such as add a polygon all seems to go well, when ...
3
votes
1answer
1k views

insert cursor “Row contains a bad value”

I'm having a problem copying data from a shapefile to a feature class using an insert cursor. Here is the part that is causing trouble: newRows = arcpy.InsertCursor(Target) sourceRows = ...
2
votes
1answer
381 views

How to write XML attributes from feature with ArcView license?

I need to generate xml of attribute data of a feature, but I have only Arcview license so, I can't use Export XML tool. What are my options? What is wrong with this code (after applying search ...
2
votes
4answers
3k views

How can I fix QGIS 1.8 startup issues due to missing qwt5.dll library?

I installed the QGIS 1.8 a couple of weeks ago and it run ok. Today the qwt5.dll library is missing apparently. I deinstalled and also deinstalled the microsoft visual c++ 2005 distributables to do a ...
3
votes
1answer
369 views

ArcMap 10.1 Python split inconsistent string

I converted a kml file to a feature class. All of the fields from the kml were combined into two fields in the feature class. One of them contains information delimited by "/" and the other contains ...
2
votes
1answer
741 views

Couldn't load SIP Module

After reinstalling QGIS, the desktop program runs but generates the python error "Couldn't load SIP Module Pythin support will be disabled" Because of this error, no plug-ins will load. I found a ...
5
votes
3answers
7k views

Remove lock on feature class

When i try to delete a feature class , after or during the use of an Arcgis engine app which uses the same feature class i got an error concerning the lock , so i can't get ride of this lock until i ...
2
votes
1answer
416 views

Query a polyline layer using arcGIS's Javascript API

I'm attempting to query a polyline layer using the ArcGIS Javascript API I all ready have a lot of experience doing this with Point layers. So I set my Polyline layer up the same way and stopped and ...
4
votes
2answers
4k views

Creating a Polyline Buffer in OpenLayers

I was wondering if there was a way to create a buffer around a polyline feature in OpenLayers. I have created a tool that allows the user to draw a circle buffer zone of whatever size and style they ...
1
vote
1answer
306 views

Dxf drawings displaying as points but i need lines

I have an autocad dwg. which i then saved as a dxf. I have way to many layers in it such as contours, buildings etc. All I need is the red and blue lines. I cannot delete the other lines as they ...
0
votes
1answer
476 views

In DIVA GIS how can I change the polygon co-ordinates of a .shp file?

I am using polygon layers from various sources to create species distribution maps however some of the layers have different polygon coordinates to others, therefore I cannot use them together as ...
1
vote
0answers
605 views

How to add ECW support to GDAL bundled with PostGIS Windows

I'm currently trying the new raster functionalities of PostGIS 2.0 and I successfully imported some GeoTIFF file into PostGIS (although it only find one band so it's all black and white for some ...
1
vote
1answer
185 views

Looking for a template project for OSM data

I have a PostGIS 2 database filled with OSM data for my country via Osmosis. Is there perhaps a template/project (!styling) for QGIS i could download, where i would simply change the provider of data ...
11
votes
4answers
2k views

How to filter wrong GPS points?

I have a database of GPS points. There aren't any tracks, only points. I need to calculate some value for every 100 meters, but sometimes GPS gave a wrong coordinates that lies far from real GPS ...
4
votes
1answer
2k views

How to compare geometry in PostGiS?

I have a two tables. 1 table have srid=4326 2 table have srid=70066 I want to compare geometry columns of this tables. I find function ST_Equals(geometry, geometry) but its not what i want. I need ...
0
votes
1answer
501 views

Vector boundary generation -similar to Image Boundary

I want to automate the creation of boundary polygons from vector files. This is not footprint or extent creation (I already have scripts to do this). I want to create a tool similar to the QGIS, Image ...
1
vote
1answer
793 views

Write spatial operations to PostGIS from QGIS or ArcGIS

I need to write my spatial operations to a (new) postgis layer (as the data is to large for a shp file). Can this be done in the QGIS browser or from ArcGIS without SDE? When you go (for example) --> ...
1
vote
1answer
77 views

Layer use too big for the coordinate in GE

I've got a problem here. I already changed the format from Tab file into Shp file using MapInfo suggested by friends here. My question is, after we set all the layer into the right coordinates, even ...
11
votes
1answer
6k views

How can I uninstall Quantum GIS that was installed using OSGeo?

I installed QGIS using OSGEO4W, and would love to know how to uninstall it, because when I go to "Control Panel > Programs > Uninstall" the program does not appear in the list of installed programs. ...

15 30 50 per page