1
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1answer
895 views

How to disable overlay check box after a certain zoom level?

How do I disable a particular overlay checkbox in the Openlayers Layerswitcher?
1
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4answers
1k views

How to find the center point of MULTILINESTRING?

How to find the center point of MULTILINESTRING, which lies on the multiline?
1
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0answers
964 views

How can I access WMS service from Geoserver using ArcGIS Silverlight API?

Having Geoserver installed locally in my machine, I'm currently doing a R&D by trying to access WMS service from Geoserver using ArcGIS API for Silverlight. I'm trying to replicate the sample in ...
1
vote
1answer
1k views

Input of in-memory geometry object to Dissolve tool in ArcPy script throws Error 000732?

In an arcpy script, I run a Union on a list of geometry objects. The output is set to an empty geometry object. The Union runs fine. What I am trying to do is then feed that output into the ...
1
vote
2answers
497 views

Cannot get arcpy.MosiacToNewRaster to work with list

Below I have a snippet of a much larger code that I cannot get to work and I am not sure why. It seems that I always have trouble using arcpy functions with rasters. Can anyone help me get this code ...
1
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1answer
383 views

How to draw lines for diagrams?

Just before submitting bug: in Diagrams, there is possibility to use Position AroundPoint or OverPoint. Whatever I choose Line Options selection stays gray: I can't choose any line. So, I suggest ...
1
vote
1answer
299 views

Setting Script Tool Parameters Using Python and ArcGIS 9.3.1

Can't quite figure this out and i'm sure it's a simple fix. I have a script that utilizes the AGSSOM tool. It first stops all published services, allows for databases to be tidied up by ...
1
vote
1answer
422 views

Dealing with overlapping grid (and graticule) labels using ArcGIS Desktop?

I do have 3 grids made by Grids menu in data frame properties. I do need them to display in certain layout and also to behave accordingly to couple of rules (overlapping issues), so I can automate my ...
1
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1answer
372 views

How to get raw values from OGC Web Coverage Service (WCS) via ArcGIS for Desktop 10.1?

I posted this a few days ago to the ArcGIS Discussion Forum but have had no response so thought I would try here as well. I'm new to Web Coverage Services (WCS) but have found it easy to add one ...
1
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2answers
906 views

Is there a public OGC Catalog Service (CSW) available?

Is there an "almost always available" service URL for a public Catalog Service (CSW) available anywhere? I'm keen to test CSW client capabilities without having to configure a CSW server.
1
vote
1answer
376 views

Can use of GML Simple Features profile by Web Feature Service (WFS) be advertised?

The ArcGIS 10.1 documentation on Working with WFS services says: The GML Simple Features profile is recommended for use with ArcGIS and is the basis for WFS support in ArcGIS. Is there an easy ...
1
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0answers
370 views

Getting Latitude & longitude of a Mollweide projection

I am very new to geotools and map-projections and after researching a hole day I still don't know where to start. I have a map with a size of X,Y Pixels and it is in Mollweide projection. How can I ...
1
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1answer
633 views

Openlayers Overview and OpenLayers versions

I have installed OpenLayers and the Openlayers Overview plug-ins but I am not sure if they are working. I can create new 'open' layers from the Openlayers plug-in drop down, but when I try to add a ...
1
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2answers
773 views

Handling points in openlayers

I have a several hundred points that I am showing on a map. At the moment, my method of adding the points seems inefficient. I create an array using the following approach: var features = [new ...
1
vote
2answers
917 views

User Input in Openlayers Problem

I thought you could give me some advice regarding my problem. I have a working WFS Layer and I want to be able to type in some text which then should be used as the filter value. Afterwards the map ...
1
vote
0answers
262 views

Homebrew GDAL installation ECW or MrSID

I have experimented with installing gdal 1.9.1 via homebrew. It works wonderfully. Unfortunately, their is no real JP2000 support. I realize that JP2000 is supported by OpenJp2000, but that ...
1
vote
2answers
647 views

Script to extract UTM Zone using Range and Meridian information

Hi Everyone, I am looking for a phython or php script that will accept the Range and Meridian values of a location and use it to identify the UTM zone. I have a table that comprises of Easting, ...
1
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2answers
1k views

osm2po vs osm2pgrouting: workshop pgRouting

As osm2po was a more reliable way to convert an .osm I went for that solution to load my date in postgres. In the workshop however the author points out to check the result after osm2pgrouting. The ...
1
vote
1answer
621 views

GDAL: C++ API to Convert Text file of Coordinate points to Raster Pixel line?

I am using GDAL to "Grow" areas form starting seed points. I have a text file listng the coordinates of my seed locations. The X,Y coordinates are in the coordinate system of a raster image. I want ...
1
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2answers
575 views

Popup is stationary does not move with the location

I am using the GeoExt example and used the same code in my application. This is my code The problem I am facing is that the Popup box in my application on http://128.196.142.94/geo/test/test.html is ...
1
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1answer
1k views

How to use default identify tool in ArcMap from C#?

I made a custom "Find" tool (winform) which is called after specific button pressed in an ArcMap toolbar. In this new "Find" form I need to use identify for one or more selected items in DataGridRow. ...
1
vote
1answer
648 views

Exporting vector to kml with ogr2ogr without extended data

If I convert a shapefile as kml in QGIS, GRASS or ogr2ogr directly, defining the name and/or description field with the -dsco tag, all columns in the attribute table of the input layer are exported to ...
1
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1answer
1k views

Overlaping graphics not visible in featureLayer?

I have constructed a featureCollection from JSON and the feature collection has 44 features. I have given this feature collection as input to the Featurelayer which is showing only 32 graphics ...
1
vote
1answer
721 views

Can't display overlay

I am trying to add a WMS radar overlay to my map but it won't seem to gather it. noaaRdr = new OpenLayers.Layer.WMS("Latest Radar", "http://nowcoast.noaa.gov/wms/com.esri.wms.Esrimap/obs?", { ...
1
vote
3answers
482 views

Java shared hosting with PostGIS

I've been developing a disaster risk management application that makes use of Java/Smart GWT, PostgreSQL/PostGIS, and Tomcat 7. I'm looking for a shared hosting environment for the beta testing period ...
1
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2answers
2k views

Passing selected polygon to INTERSECTS filter in a WFS request

In the code below, <ogc:Filter> <ogc:Intersects> <ogc:PropertyName>the_geom</ogc:PropertyName> <ogc:Function name="querySingle"> ...
1
vote
1answer
5k views

How to create a circle with specific radius? [duplicate]

Possible Duplicate: Conflicting measurement units with buffer ftools I have a shapefile as input. How could I create a circle with a radius of exactly 500 meters, using QGIS?
1
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4answers
4k views

ECW on QGIS 1.8 (Ubuntu 11.10)

I'm trying to deal with an ECW file with QuantumGis 1.8 Lisboa, on Ubuntu 11.10. Obviously it tells me that .ecw is not a supported kind of file on QuantumGis. I have tried to install all the ...
1
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1answer
742 views

How to fix Exception: forward transform failed with error: latitude or longitude exceeded limits

Export to vector file failed. Error: Failed to transform a point while drawing a feature of type 'Dingalan_Brgy_Boundary'. Writing stopped. (Exception: forward transform of (5731.78, 29676.2) failed ...
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1answer
843 views

Is Cloudmade still updating OSM data downloads?

I sent this question to Cloudmade but unfortunately they never responded. Hopefully someone here knows something about how they work. They provide an OSM download for the Americas which I am using in ...
1
vote
1answer
641 views

rpy2 installation on Mac OSX

I'm desperatly trying and retrying to install rpy2 on my Mac OS 10.6 in order to run SDA4PP plugin on QGIS. My version of R is 2.14.0 and it was obviously compiled with the option --enable-R-shlib ...
1
vote
1answer
798 views

Replace data source of layer in ModelBuilder

After reading through the documentation about MapDocument and Layer classes, I have been trying to use the replaceDataSource method in ModelBuilder to replace the data sources of certain layers within ...
1
vote
1answer
896 views

Applying layer file not formating labels in ARCGIS 10

I'm applying layer files in ARCGIS 10 using the ApplySymbologyFromLayer_management command via a python script tool. The symbology part works fine but the lables are not formatting. It is my ...
1
vote
3answers
740 views

Select by Attribute --Top 500 values selection in attribute table - ArcGis

Is there any way we can select top 500 values in attribute table? I tried by sorting area field ascending/descending... but I can't count big numbers to select. In microsoft excell we can do know, ...
1
vote
2answers
662 views

Need help getting started with QgsComposition

I am using QgsComposition for the first time, but I fail at the first step :-( mapRenderer = iface.mapCanvas().mapRenderer() line 31, in mapRenderer = iface.mapCanvas().mapRenderer() ...
1
vote
1answer
252 views

QGIS Projections

I am new to the GIS world and have faired pretty well with ArcGIS 9.3, learned and still learning on the job. I would like to get a better handle on QGIS though. I linked the files from my dropbox. I ...
1
vote
0answers
51 views

Looking for web-based mapping software recommendation [duplicate]

Possible Duplicate: Building a disconnected web based mapping application I am doing research for an upcoming project and I need help finding a good mapping software solution. Here are the ...
1
vote
0answers
366 views

QGIS & WMS: Different aspect ratio between width/height and bbox

I am experiencing a small screen space offset when using a WMS layer (origin is GeoServer 2.1.4). Looking at the requests from QGIS (1.7.4) to my GeoServer I realised that the aspect ratio between the ...
1
vote
2answers
342 views

How to have a nullable field included in a shapefile using the Geotools library?

I am trying to add a new field to a shapefile and need it to store null values. But by using SimpleFeatureTypeBuilder from the Geotools library and then using the Add command, it is not giving the ...
1
vote
1answer
390 views

Map missing in map composer and when I print map

I am new to QGIS and am probably missing something but when I set up a new composer and add a map to the page nothing appears. I have pressed the render button and the up date with no results. When I ...
1
vote
1answer
446 views

Sort feature class in Modelbuilder and populate new ids

I would like to sort my feature class in a model based on coordinates stored in its attribute table. The sorting must be done on Y_coord descending, then X_coord ascending. The answer to How to sort a ...
1
vote
1answer
2k views

How can I create a custom form to display the attributes of the selected object?

I have already appealed to the selected objects, and found a way how to put them in a MsgBox. But I need to output was in the form
1
vote
1answer
2k views

Convert Lat/Long to UTM specifying which zone to use (C++)

I need to convert Latitude/Longitude coordinates into UTM, in C++, specifying which zone to use. I am working with locations that fall in two zones, and would like to project them all into one zone - ...
1
vote
1answer
1k views

JS API Toggle Pop-Up On & Off

I am attempting to allow for the pop-up to be toggled on and off by pressing a checkbox. Here are some snippets of the code: var clickHandler function popupOn(evt){ var query = new ...
1
vote
0answers
740 views

Symbol rotation by using rotation-field [closed]

I want to rotate my symbols using the rotation-field in my atribute-table. After choosing the rotationfield, my symbols become invisible (the text is still there). What happend? Thank you! Martin
1
vote
1answer
2k views

Projection in QGIS - Scale bar and measurement

When I load a *.csv file (delimited text) as a layer in QGIS, the scale bar shows degrees (for example 0 to 10 degrees). When I uncheck On the fly projection and change the units for feet or meters, ...
1
vote
1answer
704 views

How to remove pixel values below -1?

I have downloaded NDVI from MODIS website and pixel values go up to -3000 to 1. I want to remove all values below -1. How do I do this? I am using ENVI 4.3
1
vote
1answer
500 views

how to use gdal command inside php exec() function

I need to develop a webportal which will display the images generated by a GIS software package. I my development I need to run gdal command inside php exec() function. but I don't know how to do ...
1
vote
1answer
2k views

Writing In-memory IFeatureLayer to Shapefile using ArcObjects (Engine SDK)

I've been working on this for a little while now, and can not seem to get this thing working. I've managed to export a geodatabase feature class and shapefile to a shapefile, but what I'm struggling ...
1
vote
1answer
391 views

sometimes a white, square dialogue appears in the middle of the screen: Map Data … Google maps

I have this code and some of the time,(not always!!), i have a dialogue that get displayed in the middle of the map: Google Maps Map data (c)2012 Google var map; var vectors; var ...

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