3
votes
1answer
493 views

How to print to a specific scale with QGIS?

How can I print a map with qgis to a specific scale? E.g. I have a map of Austria (projection: albers equal area) and want a printout on paper at 1: 3000000? Thanks Kurt
0
votes
2answers
272 views

Is it possible to try Esri Developer Network (EDN) without purchasing license?

Albeit using QGIS for most of my GIS tasks, I still use ArcMap for final map production. I am curious and would like to test out EDN. According to Esri the annual subscription is $1,500. I'm not sure ...
2
votes
2answers
757 views

How to set up a plugin repository for QGIS?

I am working with python plugins for QGIS.I developed my plugin and created .zip file including my .ui,.py and resources files.In order to incooperate this plugin into QGIS i created .xml file ...
1
vote
1answer
908 views

How can I use different config.yaml files for application using mapfish print in geoserver?

System: Ubuntu 10.04 server / Tomcat6 / geoserver2.1.2 with integrated GeoWebCache I have various webmapping applications running which utilize the mapfish print module.Some are in tomcat6/webapps ...
1
vote
0answers
162 views

How to create a maplayer from mapfile?

I am new in Mapserver, now I want to create maplayer , so its required shapefile for this, and if yes how can i used it. Map file is given below eg2.map MAP NAME ENG1 STATUS ON SIZE 800 500 ...
3
votes
1answer
493 views

How do I get the path of a layer file (.lyr)?

In C#, how do I get the path of a layer file? I can get the datasource and name of the layer but I need to get the path to the .lyr file. I want to record the path so my extension can copy and load ...
4
votes
2answers
665 views

Why does field calculator expression sometimes return a binary value (0 or 1)?

I am running simple field calculator expressions and experiencing some of the silliest results I have ever seen. I am working on census data (living as a shape file) and trying to perform a simple ...
2
votes
1answer
3k views

How can I develop a vehicle tracking application on a tight budget?

I need to develop and GIS application in .net with following Requirement, Can you please suggest the options how can i start with. I am new to GIS World, but I have a good knowledge. I neither ...
3
votes
1answer
857 views

How to detect overlapping linestrings in PostGIS?

I'm looking for the fastest way to detect whether a given linestring overlaps another linestring. (As reference, let's say my wife and I both go for a run and take different routes, I'd like to detect ...
1
vote
1answer
2k views

How to get the “queried” value from attribute table and put it in a textbox?

I am new in VBA, I have a problem about querying an attribute table....: I have a table of a layer (wish.shp) with the fields: owner_ID, Value, Area. I made 3 textboxes in a userform, I input the ...
6
votes
5answers
3k views

How to add a projection to a Shapefile using open-source tools?

I have been given some shapefiles WITHOUT a projection. So I need to add the projection in order to display it on google map. I found the projection information I need at ...
7
votes
3answers
336 views

Why it is still not common to publish and use WPS?

I tried to find some online platform-independent GIS services that could be called by any programming language and doing various GIS operations - like intersection, data format conversion, ...
2
votes
3answers
3k views

Web Map Server (geoserver) on CentOS 6

I am trying to setup a web map server on a CentOS 6.2 virtual machine for development. I have never used Linux or web mapping frameworks, but I am trying to do this work as low cost as possible. So ...
6
votes
1answer
2k views

Registering SQL Spatial View in ArcSDE and updating Row_ID?

I am having issues registering an inner join SQL view with a spatial column in ArcSDE. Any help would be much appreciated. Here is the background info: ArcSDE 10, SQL Server Enterprise 2008 R2, SQL ...
9
votes
4answers
11k views

How do I calculate the bounding box for given a distance and latitude/longitude

Hi need to be able to calculate a bounding box or circle for a Given WGS84 latitude and WGS84 longitude, and distance but have no Idea where to start! The distance from the start lat Lon would be 10KM ...
1
vote
0answers
1k views

Importing XML file in ArcGIS failed

I have created a model in Enterprise Architect (in ArcGIS technology). Inside I have several point, polygon, line feature classes and a couple of domains which correspond to them. From the level of ...
10
votes
5answers
3k views

Issues to be aware of running ArcGIS Desktop on Mac?

I'm considering upgrading the PC to a MacBook Pro and installing Parallels, and would like advice from other ArcGIS Desktop users who have done this. The performance aspects of VM-ware are considered ...
2
votes
2answers
912 views

How to add a background map to a java project?

I'm new at GIS. I am trying to make a java application that can display a map with certain points. I have achieved this using the geotools library. However, I want to put the map from OpenStreetMap or ...
1
vote
0answers
166 views

ESRI Silverlight Cartography - Looking at whats not there

I have line data that has been symbolozied in ways that I don't have time to understand and would like to make a map that tells me =). My general question is how to display the lack of data results ...
3
votes
1answer
4k views

How to use ET GeoWizard tools or Xtools Pro in ModelBuilder or Python to automate processing?

Is it possible to use ET GeoWizard or XTools Pro tools in automation of mapping in either in ModelBuilder or Python?
1
vote
0answers
50 views

GeoJoin with ArcGIS Services [closed]

Has anyone seen any ways to dynamically join data in services. E.g. I've already exposed County boundaries in a MapService, now I want to let users join their relative data to this service for their ...
5
votes
2answers
3k views

How to send long JSON objects (polygon geometry, table rows) in POST request to Geoprocessing Service?

I am seeking to understand my options for sending long JSON objects in a request to a Geoprocessing Service. In particular, I am looking for some example code to illustrate how to include two long ...
1
vote
1answer
139 views

Feature “Add to wishlist” in Info Window in Google Maps API 3?

I have Google Map and a lot of markers. Is there possibility to add feature when user clicks on marker and Info Window shows up, that user has option to add that location to wishlist and associate ...
9
votes
6answers
1k views

QGIS users - What plugins do you consider to be essential?

The title says it all - vector, raster, geoprocessing plugins?
7
votes
3answers
4k views

Table equivalent to Dissolve for features in ArcGIS for Desktop?

I have a data table that I need to trim down, merging records which have the same value in an ID field and performing a couple math operations on various other fields (summing, averaging). The ...
14
votes
4answers
2k views

What are data visualization and analyses pros/cons of QGIS over ArcGIS for Desktop?

Many of my colleagues use GIS on a very sporadic basis for simple data visualization and basic analysis (clipping, buffering, etc.) and I am hoping to transition these non-core GIS people to QGIS so ...
1
vote
1answer
174 views

Can we read/write MXD Document using GeoTools

Is it possible we can read/write mxd document only using geotools.
3
votes
1answer
571 views

import arcpy yields “TypeError: This object does not support enumeration”

Similar to Enumeration Problem with Eclipse and ArcGis 9.3, with Arcgis v10 I no longer seem to be able to run python scripts from a command shell. Entering the same code into an interactive python ...
2
votes
2answers
496 views

Creating a snapshot in ArcMap of a layer to be use for legend?

I am trying to create a snapshot using FastStone Capture version 5.3 to be use for the legend because it is diffcult to match their color especially is you are using raster or transparent ? How do I ...
4
votes
3answers
1k views

Questions on smooth lines on soil polygon?

In a couple of weeks I am going to do QA/QC on soil polygons and I'm wonder if there is a way for me to run a script or a tool box that allow me to find the jagged lines ? Alternative, my plan would ...
0
votes
1answer
328 views

Cannot run toolbox model from button

I have a button on my toolbar that when clicked, will run a particular model, I have copied the code from here ...
0
votes
1answer
1k views

Pgrouting OpenLayers all together

I'm new to all this I'm still trying to understand how things work.I have found a tutorial for pgrouting that shows the shortest path with Dijsktra or A* or shooting star at a map . I followed the ...
1
vote
1answer
120 views

inserting Cached .mxds into Flex viewer 2.5

I am trying to cache a number of operational layers in my flex viewer 2.5 application but after the layer type is changed from dynamic to tiled they are not visible in my viewer they are still visible ...
6
votes
3answers
4k views

need to clear cache memory using python

I have looked at several posts here and on other sites but have not found a solution to the problem I am having with this python script. In this script I use 2 nested 'for' loops to extract a series ...
7
votes
2answers
3k views

What algorithm should I use to remove outliers in trace data?

I have GPX traces and want to remove outlying observations. There are some route points that are impossible because it would require acceleration that the vehicle can not achieve. Are there good ...
2
votes
2answers
176 views

Spatial search to find featureclasses in SDE

Is there a way to find all featureclasses within SDE that fall within a spatial search e.g a user draws a rectangle on screen over a map of the world say. (I would like to do this progrmammatically, ...
0
votes
2answers
408 views

Is there a way to get Openlayers' KML reader to deal with tessellation?

I'm trying to use OpenLayers' KML reader to display a KML file on a map, but the KML itself has LinearRings tha have a tessellate value of 1. I realize that this is used by google earth to snap the ...
2
votes
2answers
2k views

Help with ArcGIS10 Python and SearchCursor reading Null values in field

I'm using a Phython script to count the number of unique string values in a feature class. My script works if there are values in the field but if there are any NUll values in the field it crashes. ...
0
votes
1answer
2k views

C# library for converting geom field of SQLServer into set of google latlng

Is there any C# library which can convert the geometry field into set of google latlngs? I have stored a shapefile into SQLserver table. From Sqlserver i want to read the geometry field data and want ...
1
vote
1answer
492 views

Passing parameters to PostGIS SQL queries in Python: weird behaviour

The following code always goes to the except section and I do not understand why..Any help would be much appreciated. l = None c = conn.cursor() try: s = "SELECT ST_NPoints(ST_GeomFromText(%s))" ...
1
vote
1answer
149 views

What are the areas, relating to database or server, that should be viewed while making map based webapplication?

This question is relating to GIS web application that are based on relational database. I have database that is not indexed with spatial column and I use geoserver to display these data as layers. But ...
4
votes
1answer
815 views

How to prepare SVG images for presentation in OpenLayers?

I have a collection of SVG vector images I need to display on a map, probably using OpenLayers/KML. Is there any way to convert a vector image from SVG to KML? Or would it make more sense just to use ...
3
votes
6answers
8k views

How to create a series of points along a polyline

I have a series of polylines, these represent various linear landscape features (Roads, hedges,rivers). I need to convert these to a series of points equally spaced (so hedges a point every 2m, a ...
1
vote
1answer
2k views

ArcSDE - Creating new install on new database with existing SDE schema

I asked a question before, but was probably not specific enough, so didn't get the information I required. My fault completely. I am creating a new sde instance on a server. This needs to be pointed ...
4
votes
1answer
348 views

How to create a service area using both streets and buslines in the same network?

I want to create a network analysis more difficult. Therefore, I want to calculate a Service Area around hospitals next to busstops. But: The network does not only consist of roads and ...
8
votes
2answers
8k views

Is there a way to manually place labels in QGIS?

Is there a way to manually place labels in QGIS? I have a map which has almost-duplicate labels in some places (e.g. E 1st St and 1st St) and I'd like to remove some of them. Also, I'd like to move ...
7
votes
2answers
326 views

How could I crowdsource spatial data with online clickable map?

Here in northern Tanzania we are experiencing a huge westward butterfly migration - originally those of us who saw it thought it was local but it turns out that it's very widespread. We're getting ...
4
votes
2answers
586 views

Issues with osgeo - qgis.core and arcpy modules

Is it possible to have the python shell from either qgis or argis to load (import) both qgis.core and arcpy? I am developing a metadata creation tool and have completed the core functionality using ...
0
votes
1answer
359 views

What GPS unit can I use to track myself all day for a 10 day trip? [duplicate]

Possible Duplicate: Logging GPS and Accelerometer Data - Device Suggestion? I will be visiting China this October as part of a field studies course and I want to be able to take the ...
0
votes
2answers
513 views

How to Select By Location with matching attribute?

I have a whole bunch of overlapping polygons (buffers), I want to select with points only those poly's which: the point falls within; and the poly attribute matches the point attribute What would ...

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