2
votes
1answer
31 views

How to install LAS tools in Processing for QGIS 2.4?

Does anyone know were the processing menu moved in QGIS 2.4? Specifically I am trying to install the Lastools box for QGIS following these instructions. ...
2
votes
2answers
1k views

Error installing GDAL 1.9.0 python package

I'm trying to install the GDAL python package in a python 2.7.1 environment on RHEL 5. I am using the command 'pip install GDAL'. I have no problem installing other packages like numpy, etc. in this ...
1
vote
1answer
125 views

How can I merge two lines to one via OpenLayers?

I have a tool on the map that lets the user draw a line. Now I want to give the user the option to split the line to multiple lines, to join them back together to one line later. How can I do that ?
3
votes
1answer
24 views

How do I know if the Model Builder has updated.in ArcCatalog?

How do I know if the Modelbuilder has updated ? So when I worked on Modelbuilder and then make some modified and added or subtracted tools. Sometimes you would forgot when you come back to it in a ...
5
votes
5answers
3k views

Open Source Address Correction / Parser with Fuzzy Matching

Here is a a little bit of a detailed question related to address parsing/geocoding which I feel should be interesting to many users. So, essentially I am curious to know if anyone has had any ...
0
votes
2answers
40 views

Save Multiple Selection from Attribute Table

I am working with a shapefile that has all the address points for a municipality - it has over 500,000 features. I would like to search the attribute table for specific addresses and save those ...
0
votes
1answer
129 views

Browse (add/remove) ArcGIS Server Services (Layers) from the ESRI Javascript API viewer

I am quite new to the Javascript API. I am not if there is a widget that does what I would like but I am trying to create a web map that allows the users to choose/add/remove layers located on our GIS ...
1
vote
1answer
16 views

Export “Zonal Statistics As Table” output in Modelbuilder

I have an extremely simple model that takes as input a shapefile for zones along with a value raster. All the model does is produce a table of my desired zonal statistic for each zone (the mean). ...
0
votes
2answers
142 views

MapServer Mapfile: One layer, disable the label but not the point for first two zoom levels

This map is not using OpenLayers, just MapServer with a mapfile. There is a layer that displays both the point and the label. Looking through the documentation, I'm not entirely sure what the best ...
0
votes
2answers
46 views

Field calculator fails when computing First X coordinate in ArcGIS10

I have this line in python to compute First X coordinates into the Field Calculator from each polyline: !Shape!.firstPoint.X Then, when I inspected the attributes I see this rare thing: You may ...
3
votes
2answers
248 views

Multiprocessing issues with ArcPy

I am using ArcGIS 'watershed' routine in a script which makes use of multiprocessing. This works fine, but during execution I get the message: Unable to remove directory. Possible causes: 1- Not ...
1
vote
0answers
14 views

FME: why do my readers sometimes not get added to the canvas?

Sometimes when I generate a workspace in fme 2014, the reader and writer get created but not added to the workspace. Can anyone explain why?
1
vote
2answers
118 views

AttributeError: 'int' object has no attribute 'save'

I am trying to use a conditional statement to generate a raster with binary values from a raster with probability values (floating point raster). This is easily done within ArcMap by batching the ...
1
vote
1answer
27 views

Pyqgis 2.2 : How to allow editing on layer and features

I'm writing a pyqgis plugin with qgis 2.2 I succeeded in accessing and displaying vector data (geometries & attributes). Now I would like to allow editing for all my layers and all features ...
1
vote
3answers
40 views

Ontario Topographic and Property Data

Looking for Ontario topographic data and property line data; willing to purchase the latter. Shapefiles or file geodatabase files would be optimal. In terms of topographic data, I am looking for: ...
0
votes
0answers
10 views

Pyqgis :2.2 : link between a signal and an event

I'm writing a pyqgis 2.2 plugin with qgis 2.2 I succeeded in accessing and displaying vector data (geometries & attributes). I succeed also to create a 'beforecomitechanges' signal ( emitted, ...
1
vote
1answer
274 views

r.surf.contour in QGIS 2.0

I have a problem with r.surf.contour. I create a DTM with v.to.rast.attribute and then use the r.surf.contour and it works fine in QGIS 1.9 but with QGIS 2.0 doesn't work. I have a contour shapefile ...
1
vote
1answer
14 views

Creating map documents based on similar feature class selection

I wondering if something like this is possible. I would like to create a PDF output using a pre-established map template. The tricky part is I want to create maps in batch by adding (what will usually ...
5
votes
2answers
61 views

Is there a difference between the Planchon & Darboux and Wang and Liu depression filling algorithms? Other than speed?

Can anyone tell me, based on actual analytical experience, if there is a difference between these two depression filling algorithms, other than the speed at which they process and fill depressions ...
1
vote
1answer
35 views

How to compare polylines attribute from the same GRID cell in ArcGIS 10?

I need some help because I do not know how to model this issue: I have two polyline shapefiles. They have an attribute that I need to be compared. These are roads from different sources. So, I have ...
4
votes
1answer
112 views

How to use %value% (from For iterator) in SQL expression of Calculate Field in ModelBuilder?

I have a shapefile with data of fish specimens and the coordinates where they were tagged for research purposes. One of the fields in the attribute table of these shapefiles is the fish length in ...
0
votes
0answers
10 views

Problem in importing .osm file with osm2pgrouting 2.0

i've got two different systems: First system is: Ubuntu linux 64bit Postgres 8.4.8 Postgis 1.5.1 pgrouting 1.05 osm2pgrouting 0.2.0 This the system i've used for an old project that is already ...
2
votes
3answers
99 views

ArcGIS Geoprocessing and 32/64 bit architecture Issue

I am coding a VB.net console application using ArcObjects to call ArcGIS 10.1 geoprocessing tools. I have several geoprocessing calls that actually work, but that pop up an irritating message box when ...
1
vote
2answers
48 views

Cannot See Georeferencer Results

I am working in QGIS 1.8.0 Lisbosa. Currently I am trying to georeference a building blueprint in a .TIF format to a Google Streets layer. After selecting four points (the corners of the building), I ...
4
votes
1answer
669 views

Interpolating Maps - Statistical Learning Techniques vs Spatial Statistics Techniques

I have recently begun experimenting with the interpolation of variales over a whole country. I have good sized training set where I have several dependant variables (continuous and categorical) ...
1
vote
1answer
33 views

Buying location data of Restaurants with Cuisine information?

I'm looking to buy restaurants data + get weekly updates of it so I keep updated. I've looked at several questions, (mysql database of bars, pubs and restaurants in the united states and maybe canada; ...
1
vote
1answer
35 views

line intersection point in a street layer in postgis 1.4

I have a street layer downloaded from osm. I need to calculated intersection point as we do in qgis from vector menu -> Analysis tool -> Line intersections. I am new to postgis/postgres. any how i ...
2
votes
1answer
208 views

Using line of sight or something similar to identify where lines go through hills

When QCing power infrastructure I am having to zoom into every gap and check to make sure the line makes sense (not going through the mountain). I typically check for odd spacing between the pylons ...
2
votes
2answers
227 views

Is it possible to export cross sections from QGIS to HEC-RAS

Is it possible to create cross sections along a river in QGIS and then export the data to HEC-RAS? Thanks
0
votes
0answers
7 views

How to generate tiles for EPSG:3413 from shapefiles

I want to make tiles at EPSG:3413 projection from coastline shapefiles provided by naturalearthdata. How to do it? I converted shapefiles to 3413 via ogr2ogr, imported it to mapnik, set ...
2
votes
1answer
50 views

In which way is height information stored in a DEM?

I'm struggling with different DEM data, because I don't know how to convert the height information in meters. When I load ASTER and SRTM tifs in QGIS, it shows me the spectrum of the grayband (0 to ...
0
votes
0answers
44 views

Geocortex Viewer: Running a Workflow with Arguments

I have a webpage with the Silverlight Geocortex Viewer embedded in it. Through the browser's developer console, I can run commands through it such as ...
1
vote
2answers
80 views

Merging shapefiles

I have a query regarding the merging of shapefiles. I have 7 different landuse shapefiles which together covers all my study area. Now, inside my study area, there are 70 different priority areas for ...
0
votes
0answers
8 views

Converting Landsat8 DN to TOA reflectance for use in envi

I am used to working in envi, however my current version does not support Landsat8. I downloaded GRASS for the express purpose of converting Landsat8 DN to TOA reflectance for use/analysis in envi. ...
0
votes
0answers
20 views

Which is the best disaster management application ? [on hold]

Can anyone suggest the best disaster management application open source or/and commercial . which also can connect to smartphones such as android/ iphone etc
0
votes
1answer
105 views

How Can I Merge Geocoded Addresses With a Shapefile and Export One Table?

I currently have two layers in my QGIS (v1.7.3 for Mac) project -- one being a Pennsylvania State House shapefile and the other being 166 geocoded addresses (for which I used 'Add Text Delimited ...
1
vote
0answers
12 views

Agent Analyst doesn't work with ArcGIS 10.2

I have installed the agent analyst extension for my ArcGis 10.2. I am also following ESRI tutorial (http://resources.arcgis.com/en/help/agent-analyst/). Every model which requires updateDisplay or ...
3
votes
2answers
160 views

How to show just some labels based on feature intersection of layers?

I'm trying to use "expression based" labeling in QGIS, but I'm stuck with a particular case. I managed to use it for a project with the help of other topics and FAQ but I'm not skilled enough to ...
0
votes
1answer
34 views

How to add multiple feature classes from TOC as input by Model Builder?

I am tasked to create a tool using Model Builder. The tool requires input of multiple feature classes that are added in the Table of Contents of ArcMap. The user will then be able to select multiple ...
1
vote
1answer
25 views

RESTful Geoprocessing Service Request returns empty Result object without errors

This is a bit difficult for anyone here to test as our ArcGIS Server 10.2 instance is behind a firewall. I'll try to present all the necessary information, but feel free to ask for more and I'll ...
1
vote
0answers
15 views

How to read .adf (TIN) map files?

I have a set of maps in few formats : TIN ├── [4.0K] info │   └── [2.6K] arc.dir ├── [ 708] log ├── [374K] M-33-45-D-d-4.asc └── [4.0K] m-33-45-d-d-4tin ├── [ 96] tdenv.adf ├── ...
3
votes
1answer
236 views

Python SQL connection causes crash in ArcMap

I have the following code which I have striped down to just included the part that is causing a crash in ArcMap. import pymssql # Connect to the Research db using Windows Integrated Authentication. ...
0
votes
0answers
262 views

Geofence routes from point A to point B

I'm working on a task where given the coordinates of a line from point A to point B, I need to create a geofence around this line (road route). But based on what I read here ...
1
vote
0answers
6 views

How to calculate pixel per meter ration according to zoomlevel in google map(bing map)?

I am new here. I need some help. Right now, I got an image and detect two points in the image. I want to calculate the distance between these two points. I got: 1 . x,y pixel value for both two ...
1
vote
1answer
13 views

ESRI Silverlight API 3.1 query, edit, update issues in the code behind

Using ESRI Silverlight API 3.1, .NET Framework 4.0, ArcGIS Server 10.0 Is there a way to update an attribute in the code behind without looping through the featureLayer.Graphics? Or a way to call ...
1
vote
2answers
180 views

I need to extract a specific layer from a Geospatial PDF using GDAL/OGR

I have GDAL/OGR 1.10 installed on a 64bit Windows 7 machine. I have some Geospatial PDFs that I want to crop to the outline of the map and convert to Rasters. However I cannot clip to the neatline. ...
0
votes
1answer
38 views

How to merge two different dem rasters to a one dem raster? [on hold]

I have two dem raster files (.tif and .asc). The other one (.asc file) is bathymetry data with zero values at land and from -0.08 to -44.5 in the water areas. The other is topography dem raster (.tif ...
1
vote
0answers
13 views

How to create feature type from xml attribute value?

Here is a sample from an xml child element: <element> <aspects> <a id="1" l="de" v="Grundlose Kuhle"/> <a id="2" p="6" code="7"/> <a id="3" p="12" code="6"/> <a ...
1
vote
0answers
21 views

Leaflet + GeoServer + British National Grid

I have followed along some examples and was able to display BNG 27700 data nicely on the map, however now I want to perform getFeatureInfo function on click. Again the code I used is as below: var ...
1
vote
1answer
1k views

ArcGIS 10.1 using Repast's Agent Analyst Extension - refresh.exe does not work

I have installed the agent analyst extension for ArcGis. The refresh.exe, however, does not work. I have made a direct reference to the folder where refresh.exe is.

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