0
votes
0answers
5 views
Apply Symbology to a group layer
I currently have around 200 features that all need have the same symbology applied to them. I have used the ApplySymbologyfromlayer_management however this takes much to long to process, at least a ...
0
votes
0answers
5 views
What's regular blocking arrangement ? (GDAL)
I am using GDAL tools to retrieve PostGiS raster. The code(command line) I am using is as follows :
gdal_translate -of AAIGrid "PG:host=localhost dbname='database' user='postgres' password='admin' ...
1
vote
0answers
7 views
Flow direction for line segments
My sanitary sewer data (shapefiles) is being merged with data from another GIS firm for a large project and they are asking me to flip all my line segments because they believe they are backwards but ...
0
votes
0answers
7 views
Is there any way to spead up the Properties - Change Symbol and Symbol Selector - Edit Symbol actions?
Is there any way to tweak ArcMap to make the loading of the Symbol Selector and Symbol Editor dialogs faster?
I have a lot of symbols in my style files and I want to keep it that way since it is ...
1
vote
1answer
19 views
Start postgresql+postgis without installation on Windows
I have used Windows7x64 and want start PostgreSQL+POSTGIS without installation process. I copy PostgresSQl\9.1 folder from other laptop to c:\opt. I need create .bat file with enviroment variables and ...
0
votes
1answer
21 views
Comparing ShapeFile Data in C# [closed]
I have made a List containing all the original data (.shp files), and I have another List containing the modified data. I basically want to check all the modified file data against the original... So ...
1
vote
0answers
17 views
Trigger to fill attributes (data, client ip) in table for each new objects, PostGIS
In PostgreSQL/PostGIS database stores shapefiles. Client users software - QGIS. Please help me write PostgreSQL/PostGIS trigger, which for each newly added/updated feature in layer added 'time create' ...
1
vote
1answer
16 views
Use FME to delete records from PostGIS before loading new records
I have some shapefiles. Each shapefile contains the data on a topic for a county. I have data for 26 counties.
In the filename of the shapefile, the county ID is given.
I load these shapefiles into ...
0
votes
2answers
17 views
How to scale/reduce my polygon without changing the central lat & long?
I am writing a VBA code to resize my polygon, I get a input as vector points(Shape file). The code below resizes it as according to my scale factor but my central latitude and longitude are also ...
12
votes
1answer
60 views
Which geodatabase type is most appropriate for both open source and ESRI use?
Main Question: Is there a geodatabase type that seamlessly works with both ESRI and open source products?
Details: My company currently passes around geodata in various vector and raster file ...
0
votes
1answer
15 views
Geoserver shutdown after load big imagemosaic
catalina.log:
24.05.2013 15:33:38 org.apache.tomcat.util.net.JIoEndpoint processSocket
SEVERE: Error allocating socket processor
java.lang.OutOfMemoryError: unable to create new native thread
...
-1
votes
0answers
11 views
Selecting a polygon and zooming knowing the Polygon ID [duplicate]
By clicking on a polygon, i can get the polygon id by doing this:
identifyParams.geometry = evt.mapPoint;
identifyParams.mapExtent = map.extent;
identifyTask.execute(identifyParams, function(result) ...
4
votes
0answers
15 views
How to trace SQL queries sent by ArcGIS Server (ArcSDE) to Oracle database?
I'd like to generate a log file containing all SQL queries sent by ArcGIS Server (ArcSDE) to Oracle database.
Is there a way to do so?
I'm using Oracle 11g and ArcGIS Server 10.0 on Windows. ArcSDE is ...
3
votes
1answer
39 views
How to set up Python 2.7 to work in both QGIS and ArcGIS?
I have both ArcGIS 10.1 and QGIS 1.8 installed and both include Python 2.7 in slightly different setups and in different folders (c:\Python27\ArcGIS10.1\ and c:\Program Files (x86)\Quantum GIS ...
0
votes
2answers
23 views
Zooming into a particular polygon
I am getting the polygon id by doing
identifyParams.geometry = evt.mapPoint;
identifyParams.mapExtent = map.extent;
identifyTask.execute(identifyParams, function(result) {
var i;
var ...
0
votes
0answers
16 views
Pyscripter hangs on spatial join?
I've got a script which loops through a series of FC layers (tracker points). Using a FOR loop, they're reprojected then joined to a streets layer.
Sometimes it works fine, then other times it never ...
2
votes
2answers
40 views
“GIS” Mapping on Monument - Scaling
I have a Baroque tombstone for which I have to map the damage phenoma. Normally one can use a vector drawing programm but one has always two boundaries between the different polygons. Questions:
Is it ...
1
vote
0answers
18 views
Problem using grid with a vector layer
I need to establish a model of maritime pollution and I try to use the grid option to work on ocean sectors. I tried to use my grid on a vector file, .shp, with points. Each point is a maritime ...
1
vote
1answer
26 views
How to iterate all input folders (containing coverages) using Python with ArcGIS 9.3?
I'm trying to write python scripts to batch convert thousands of coverages to shapefiles in arcgis 9.3. The coverages files are in different folders:
d:/area_A/building
d:/area_B/building
...
1
vote
1answer
17 views
OpenGeo Suite start up failure
I started the openGeo Suite 3.0.1 in Windows 8 and after a while I get this error:
Giving up on starting the Suite as it is taking longer than expected
Any idea?
0
votes
2answers
21 views
PostGIS, distance between two users
I have a simple table (location_test) with three column (name, geom , jid). geom is a geometry column with SRID 27700. I set the user's geometry position with:
UPDATE location_test SET geom = ...
1
vote
1answer
31 views
How to select points within a polygon from another layer?
I'm using QGIS 1.8 with a PostGIS database and I have three postgis-layer in qgis a lines layer, a points layer and a polygon layer.
What I'm trying to do is to select a polygon in the polygon layer ...
1
vote
2answers
59 views
How to convert a txt file to shp?
I've got a txt/csv file with the utm coordinates and the hights. Now I want to upload this into qgis. This is not a problem so far. The problem is to create a shapefile out of the data with an ...
1
vote
1answer
15 views
Probleme with WFS protocol in OpenLayers
Sorry for disturbing. I know my problem look common, but I really don't know what to make.
Here is my code for getting a WMS layer in OpenLayers from Geoserver.
var wfs2 = new ...
1
vote
2answers
63 views
Where can I go to have a rant about Open GEO Data?
Which is the most popular GIS forum or website that's not under the control of our corporate or government overlords?
This place is great for questions and answers, but if I want to have a discussion ...
1
vote
0answers
20 views
Applying proper correction from True to Grid
I have a very basic question that will seem very elementary to most who observe this website. The reason I ask is because I have been told to difference answers and I'm now a little confused. So, here ...
0
votes
0answers
25 views
Fill up polygons with field value
I have now defined my renderer with a color map
I want to fill it with a value in the end field of my shape file's attribute table with python
how to do it??
I use QGIS 1.8.0 with python 2.7.3
-2
votes
0answers
19 views
Future Climate Variables [closed]
I want to know future climate variables.
There are many Regional Climate Model, so I'm not which the best.
Again, I don't know what required data to run the model.
If possible models that run under ...
0
votes
1answer
18 views
ESRI Linear Referencing and negative lengths
I have been asked this question regarding Linear Referencing (for Arcmap 10.1), but i do not have much experience with it so I am hoping someone out there can help.
Essentially, I want to know how ...
-1
votes
0answers
19 views
how to fetch the geographic data for a given scope effectivily [closed]
We have the shapfile data in the backend, and now we have to get the features for a given scope (for example a BBOX), so what is the effective solution?
Update:
We are building an android ...
3
votes
2answers
27 views
How to know what spectrum image layers are in eCognition?
I'm learning to use eCognition (8.1) and my teacher has provided me with some example tif files to segment and classify. The tif files have multiple layers, each of which are supposed to represent a ...
1
vote
1answer
13 views
what is the metadata link in geoserver layer definition for?
I`m adding some layers in geoserver and I noticed that there is a place to put a metadata link. It also says that it should be according to FGDC or tc211.
What can I put in this metadata link field? ...
2
votes
1answer
21 views
Install the Pgadmin3 shapefile importer plugin on a Mac(10.8)?
I'm new to GIS related things and I'm setting up a Postgre/Postgis database for geospatial queries. I'd like to import various shapefiles into the database and I found that Pgadmin3 has a shapefile ...
3
votes
2answers
27 views
Search MXDs for feature class
I've inherited a large somewhat messy database and am attempting to clean it up a bit.
Does anyone know if it is possible to search a database to see what arcGIS map documents use a feature class? I'd ...
1
vote
1answer
26 views
Python - GDAL: spatial filter
Is there a way with GDAL (Python) to set a spatial filter (bounding-box) on a raster before I process it? I want to read it as an array.
BandReadAsArray(band, xoff=0, yoff=0, win_xsize=None, ...
1
vote
1answer
24 views
Arcmap 10 project: Finding best site for a new powerplant
I'm an electrical engineering student taking GIS introductory course as an elective. i have learned the basics of Arcmap 10 like adding data, creating maps, editing shapefiles etc. Now, i'm required ...
0
votes
0answers
33 views
How to find out what projection my data is using?
I have a set of data that I created from gps locations of images. The locations are in decimal. I don't know what projection was used when the data was captured.
I used QGIS to display the data with a ...
2
votes
1answer
40 views
How to split single lines to represent two-way streets?
I am working on a project using city road data. The data has every road in the city visualized as lines and with directional data stored in the attribute table (one-way to-from, one-way from-to, and ...
1
vote
1answer
18 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, ...
3
votes
1answer
31 views
How to check via Arcpy if ArcMap is currently in an edit session or not?
I've created a Python add-in button that helps speed up my coworkers workflow by copying one feature class attribute to another. It uses the arcpy.UpdateCursor function to update a row in the target ...
0
votes
0answers
23 views
need info on GeoTIFF projection keys
I am a programmer (not a cartographer!!) developing an application which needs to read and write GeoTIFF files. I have a number of questions about those GeoTIFF keys which are related to projections.
...
1
vote
1answer
21 views
How do I convert 3tm to lat-lon
I'm unable to find out a formula for converting 3tm coordinates to lat-lon? 3tm is a system used in Alberta alone, as far as I can tell. The city of Calgary uses that for its opendata, which is what ...
0
votes
2answers
29 views
Stacking attributes in a text field
I am trying to stack my text in an attribute table using the field calculator, but it does not seem to be working.
My field name is: Facilities.
My attributes are in this format: Public ...
0
votes
1answer
23 views
Raster Clipping and Manipulation
I have two raster tiff files one is a raster that I created from 2 Foot contour lines, the other raster file is a small area that was surveyed to half a foot accuracy. My question: Is there away to ...
-2
votes
0answers
14 views
Render specific vector data from database with openlayer
I want to render some data on a map. They are stored as points in my database (postGiS), each one is associated with a name. I want to render points with the same place name in the same color.
...
5
votes
1answer
48 views
How to create a point along a line given a distance from another point
I'm trying to figure out a point(D) on B-C that is a specific distance from A.
I really don't have any idea on how to proceed with the ellipsoidal math so I figured I'd ask here. How would I figure ...
0
votes
0answers
14 views
connexion to postgres and update attribute table of a shapfile in QGIS [duplicate]
I have created a plugin with "plugin builder" , now I search to connect my plugin to postgres. I have a shapfile and I try to find a script in Python that can use to assign a SQL query to my table ...
0
votes
0answers
36 views
Adding attachments to features
Does anyone have an elegant solution to adding/viewing attachments, like a table/photos for example from within ArcMap using only the ArcGIS basic license level? Or any suggestions?
I'm looking for ...
0
votes
0answers
30 views
OD cost matrix Arcpy
I'm trying to create an OD cost matrix python script.
I'm doing an OD cost matrix analysis. I'll find out the average time with patients to hospitals over 10 years. When I do this analysis, the ...
0
votes
0answers
21 views
Is there a JavaScript SDK for Vehicle Tracking?
Does exist a JavaScript SDK for Vehicle Tracking? Like this:Map Suite Thanks.
19,933
questions
Related Jobs
