0
votes
0answers
2 views

What type of remote sensing methodology is commonly used to locate and track the movement of woodland caribou herds?

I am most curious whether it is possible to use Landsat or other freely available imagery to locate and track the movement of woodland caribou herds over time. I only have some experience doing this ...
0
votes
0answers
2 views

Identify features tool

I imported a large file with lat/long coords into Arcmap 10 using "Add XY data" import, I then exported the events layer to a shapefile. It worked fine but when I use the identify features tool, all ...
0
votes
0answers
2 views

Converting polygon to raster-based normal distribution curve

Please help me rephrase the question if appropriate. Statistics is not my strong suit. My input would be elliptical polygons which represent a probability of error of a point location, the outer edge ...
0
votes
0answers
4 views

Project CAD Files in ArcGIS

I have a cad file of a building and need square footage. What's the best workflow to gather the square footage of my features, i.e. what should projections be, if any?
0
votes
0answers
2 views

Where to get the shapefile of Faisalabad-Pakistan

This is my first question on http://gis.stackexchange.com. I need the shapefile of Faisalabad-Pakistan. I wonder where to get the shapefile of Faisalabad-Pakistan on union level. Any help will be ...
0
votes
0answers
7 views

Can SpatiaLite Indexes be used from views?

I'm working with a large SpatiaLite database and trying to take advantage of some spatial indexes I have on my tables that I'm attempting to access through views. Essentially, I have a number of ...
0
votes
0answers
8 views

Programmatically Load Hyperlink File in ArcMap 10.2

I am using an arcpy script tool to create an XY Event Layer from a text file and then save the layer to a .lyr. This works, but I also want to load a Hyperlink file and apply it to the layer ...
0
votes
0answers
6 views

GDAL - How to get gemetry type of a MapInfo TAB file?

I am using the OGR MapInfo File driver to read a MapInfo TAB file. However, the function GetGeomType() returns 0 which means point geometry even if the features in the TAB are only multi-polygons. Is ...
0
votes
0answers
5 views

finding closest -longest line in qgis

how can i find closest line of polygon to the point within it in Qgis?.i have used mmqgis plugin for this but hub layer and polygon layer plcement are not matching though both are having same CRS
1
vote
0answers
8 views

Spatialite database creation problem (QGIS DB manager)

I am trying to create a Spatialite database in QGIS 1.8.0. Step one of instructions is: Right click on the Spatialite entry in the Browser tree and select Create Database. The Spatialite icon is ...
0
votes
0answers
3 views

Get list of all tables in CartoDB account with SQL statement?

How can I get a list of all available tables in my own authenticated CartoDB account with a SQL statement? This returns null: SELECT table_name as t FROM information_schema.tables WHERE table_schema ...
0
votes
0answers
16 views

How to convert point shapefile into polygon

I have a United kingdom point shapefile. I want to convert it to polygon. I have to outline city boundaries on google map. I don't know how to do that. Kindly suggest some tools or method to doing ...
0
votes
0answers
10 views

How to indicate flow of a watershed feature?

While tracing and digitizing rivers, streams, rivulets, etc., is it possible to indicate the direction/flow in the shapefile on QGIS? I'd like to avoid using map labels. Ideally, when done tracing, I ...
0
votes
0answers
12 views

Remove duplicate features based on attributes using ModelBuilder?

I need to create a model in the ArcGIS ModelBuilder. I am working with a feature class of zip-codes for a state. I have got to the point where the zip-codes that have duplicates are selected from the ...
0
votes
0answers
13 views

same or similar search word with field calculator

I am using arcgis 10.1 I have two tables A and B need to find attributes of table B data are on the table A I'm doing a join between table A and B now I want to use the field calculator via a script ...
2
votes
1answer
12 views

No more error messages after importing QGIS modules into python

I have a problem when writing python code whilst including the qgis modules. As can be seen below, when I usually call a variable that does not exist (for example), I receive the usual error message. ...
1
vote
0answers
15 views

ArcGIS Online Solution [on hold]

I am looking for some feedback on ArcGIS online as a web solution option. In terms of data there are some small business layers but there are large reference layers that will be shown on the map. I am ...
1
vote
1answer
24 views

Why does dissolve stop working at 10.1?

I have an ArcMap Add-In that completes various geoprocessing steps, including Dissolve (using ESRI.ArcGIS.DataManagementTools.Dissolve). This tool worked at 10.0, but I just upgraded to 10.1 SP1 and ...
0
votes
1answer
8 views

Why can't I open a kml layer?

I thought that I could open kml layer like a normal vector layer but it doesn't work (it says "invalid datasource"). How can I open a kml layer in QGIS? Or how can I open it anyway, I never worked ith ...
0
votes
1answer
20 views

batch buffer with different distances with python 2.7 in arcgis 10.1

I am trying to write a "smart" way in Python to process multiple buffer to lines, polygons and points with different distances. I use Python and ArcMap 10.1. I can figure out to separate lines, ...
1
vote
0answers
11 views

Taxi fleet simulation - MATSim a useful tool?

I am working on a university project and I would really appreciate some advice: My project consists in modeling the taxi fleet of a major city and investigating if replacing a percentage of the fleet ...
0
votes
0answers
15 views

Geological/geographic dataset or query language?

I'm looking for a dataset that I can ask questions like "which points on the entire earth get the most fog in December and have the steepest terrain?" and "how many people living there speak English ...
0
votes
0answers
8 views

need help creating layer with geom type wkbGeometryCollection with gdal python

I am having trouble creating a layer with geom type as geometry collection. Thus I am unable to output to a shapefile. I have attached code below. dstLayer is null. This does not happen if geom type ...
1
vote
0answers
7 views

How to get the data type of each column from a postgis table

I need to get the column data types of all columns in a table, including the geometry types. What I wanted to know is if there is a function or SQL that gives something like this: column_name | ...
0
votes
1answer
5 views

Setting a renderer that uses a function for a dynamic layer in ArcGIS JavaScript API

How can I, if possible, set a renderer for an ArcGISDynamicMapServiceLayer which uses a function to determine feature values instead of just attribute values? When using the following code, the ...
0
votes
2answers
17 views

Error when calculate field using VBscript or Python (slice a field)

I have an expression in VBscript that works well for labeling: Function FindLabel (field) if (INT(RIGHT(field, 2)) <> 1) then FindLabel = INT(MID(field, 8, 3)) &"-"& ...
1
vote
0answers
17 views

Where to get UK city boundaries

Currently I am working on a project where I have to draw boundaries of specific region of UK. Exactly like this I want to know where to retrieve this kind of GIS data. I have tried openstreetmap data ...
0
votes
0answers
6 views

How to draw an arc by centerpoint, radius and azimuth in KML

The question is how is to generate lon/lat coordinates for a arc/sector, which then can be filled in KML. Pointers to geometric formula or a program applying the formula are much appreciated.
0
votes
0answers
6 views

Bing Open layer shows ok in QGIS and Composer Preview, but is misaligned after exporting to PDF

I have QGIS 2.2 running on a Mac with iOS Maverick. I have prepared a map with layers with different CRS, including a Bing Open Layer as base layer. The project has the 'On the fly coordinate ...
1
vote
1answer
9 views

ArcGIS 10.1 make Form onTop with C#

I have a windows form which opens with my ICommand, referenses IApplication and does some staff with it( it is not relevent ). The problem is that I want it to be onTop within ArcMap, and minimized if ...
1
vote
1answer
15 views

Plotting property surveys using AutoCad MAP2013 - Draw arc problem

This is likely a simple question that I just can't seem to answer. I am plotting some surveys in AutoCad Map3D but I simply can't figure out how to draw an arc using survey coordinates. The large ...
2
votes
2answers
27 views

How to deal with Roundabouts in PgRouting

Can anybody guide me to to deal with roundabouts in pgrouting?? I have some roundabouts in my road network and when i try to make route from one point to another, it gives me wrong direction where it ...
0
votes
1answer
27 views

Is it possible to edit a tool provided by ArcGIS 9.3?

I am trying to use the script tool "Spline with Barriers" from arcgis 9.3 3D Analyst toolboxes. I am not getting expected output. The output is just only one value over the surface. We are using ...
3
votes
0answers
20 views

Which user license to use to share and distribute an ArcGIS modelbuilder toolkit?

Do you have expertise or experience to share on what is the best software license to use when sharing a model created in ArcGIS ModelBuilder, e.g. to ensue it is free to use, or used for non ...
1
vote
2answers
21 views

Error exporting data from Oracle to shp using ogr2ogr

I have an oracle table which I would like to query/make a selection. I would then like to export the selection to a shp file. I'm using gdal and ogr2ogr. Following the guidelines here and here I ...
2
votes
0answers
15 views

How to use matplotlib with ArcGIS 10.1 without Microsoft Visual C++ Runtime Error?

I have problems using the matplotlib for python with ArcGIS 10.1 If I run the code below as a script tool in ArcMap. No pdf is generated and when I close ArcMap this error is shown. If I run the ...
1
vote
1answer
10 views

reproject vector layer with pyqgis with new CRS does not worl

In QGIS I am running a script in th python toolbar to export all visible vector layers to a GEOJSON with this snippet: canvas = qgis.utils.iface.mapCanvas() allLayers = canvas.layers() for i in ...
0
votes
1answer
38 views

OpenStreetMap not crystal clear in QGis

OpenStreetmap (OSM) doesn't give us crystal clear views on screen and on prints. Some time ago that was good.. We don't know if we can adjust that. We've tried QGis 1.8 and 2.2, no difference.. OSM ...
1
vote
1answer
22 views

Opening QGis-project via windows explorer

We have upgraded from QGis 1.8 to QGis 2.2. Qgis 2.2 is first installed, then 1.8 removed. Since then it is impossible to open .qgs-projects directly from windows explorer. We have checked explorer, ...
1
vote
1answer
18 views

QGIS hides few graduated points after reopening project

I have a strange problem in QGIS 2.2 (problem is also present in QGIS 2.1). When I add a point (shapefile) layer, apply graduated style and change point size, everything looks fine. Then I save ...
0
votes
0answers
13 views

Openlayers Issue with Line Start Points

I read a KML with lines to my map and want to generate start and end points on the fly. I try to iterate over features and fill a marker array. I started with the Start Points only and than wanted to ...
0
votes
1answer
14 views

Using OpenLayers and OpenStreetMaps to display statistical information with colors : possible?

I'm planning to build a statistical tool using OpenLayers and OpenStreetMaps. This tool will have to display statistical data for french departments with colors. What I would like to do is the same as ...
-3
votes
0answers
34 views

What is the best suitable open source software for remote sensing? [on hold]

I want to analyse a satellite image of seagrass distribution...need to perform water column correction, geometric correction, masking, layer staking, image enhancement etc.
1
vote
1answer
9 views

QGIS 2.2 crashes when saving digitized data in ArcSDE 10.1

I am using QGIS 2.2 with ArcSDE 10.1 for Oracle 11gR2 I have created a polygon feature class with SDO_geometry, when trying to save the digitized data QGIS crashes. Please help, I want to edit the ...
1
vote
0answers
16 views

Working with GeoServer and MongoDB

I am trying to get MongoDB working with GeoServer. I am using the BoundlessGeo Suite (comes with GeoServer and other tools) I was able to find the MongoDB extension for GeoServer. Got it installed ...
0
votes
0answers
5 views

problem login geoexplorer - redirect IP

I have problems when I want to log the administrative user through GeoExplorer when geoserver is running on a server with public ip but redirection to a private ip. GeoExplorer takes too long to load ...
1
vote
2answers
70 views

What does it mean if a topographic map is indicated to be “West of fifth Meridian”

The Natural Resources Canada topographic map A 741, 83 C/7, edition 3 has a (bilingual) indication at the bottom stating: WEST OF FIFTH MERIDIAN       OUEST DU ...
0
votes
1answer
17 views

gdalbuildvrt error when mosaicking SRTM data with different NoData values

I'm attempting to mosaic together 9 SRTM tiles downloaded from CGIAR to produce a DEM of Borneo. I'm using: gdalbuildvrt Borneo.vrt BorneoSRTM/*.tif where BorneoSRTM contains the 9 tif files to be ...
-1
votes
0answers
19 views

Need build maps. Mark Areas and subdivisions [on hold]

I need build maps. Mark Areas and subdivisions. Then this maps will be used by an Android Smart phone app using geolocalization and returning in wich area / subdivision marked previosuly marked the ...
0
votes
1answer
19 views

Creating a New Shapefile from Joined Access Table

I'm dealing with a very large amount of polygons. Once I join the land use access table to the parcel shapefile, it takes forever for Arc to draw the polygons. I'm trying to select all residential ...

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