1
vote
1answer
325 views

Need help in ArcGIS Java Script API : Installation & configuration with different browsers

We are using ArcGIS Java Script API (version 3.2, 3.0, 2.8) according to our requirement we are using various API’s. Currently ESRI launched new version 3.3 so if I want to view old examples ...
2
votes
1answer
260 views

buffer using topological operator

IMap map = axMapControl1.ActiveView.FocusMap; IFeatureSelection fSelection = map.get_Layer(0) as IFeatureSelection; ISelectionSet selSet = fSelection.SelectionSet; ...
7
votes
3answers
1k views

Hosted nominatim services

Are there hosted nominatim services that can do all it's duties (particularly reverse-geocoding) all over the world? We have a high volume of lookups (we dont want to be throttled) but we want to ...
11
votes
1answer
3k views

Where can I find the WKT standard or reference?

I had a little confusion about the representation of a geometry as well-known-text (WKT). I was searching for the WKT Specs to search for the exact representation, but I did not find the Standard. Is ...
10
votes
3answers
466 views

Where can I get aerial images for commercial use?

Related question: Free aerial map images for commercial use - Alternatives to Google maps I'm looking for a service that will allow me to download images at up to 1 meter resolution. Currently our ...
8
votes
4answers
3k views

How to find dead-ends in road network using ArcGIS for Desktop or GRASS?

I'm trying to remove all the dead-end roads in a road dataset (lines) that are less than 100m long. How do I identify roads that are dead-ends (no exit)? The 100m part is easy. I know how to use ...
3
votes
1answer
972 views

Build Raster Attribute Table with GDAL Utilities

Is there a way to build a raster attribute table using one of the GDAL utilities? I know you can view it using gdalinfo and I have successfully created one using Python, but it would be so much ...
7
votes
3answers
3k views

How can you find ArcGIS version programatically?

Is there a way using ArcObjects.net to find out what version of ArcGIS is installed on a machine (i.e. 9.3., 10.0, 10.1)?
0
votes
1answer
239 views

There is no menu bar on Mac OS 10.7.3

I installed the latest version of QGIS on Mac OS 10.7.3 with 2 additional frameworks (GDAL Complete and GSL) but there is no main menu bar (not at the top of screen, not at the window of QGIS). Where ...
1
vote
1answer
105 views

SHAPE FILE to TIGER with OGR

How do I convert SHAPE FILE to TIGER using GDAL (OGR). I try but throw following error:(layer number)is not a known TIGER/Line layer.
2
votes
1answer
164 views

Are there any open source distribution raster merging functions within JTS or GeoTools

I'm looking for something similar to the combine function from the ISelectionSet interface from ArcObject's SDK 10 .NET framework on a more scaled down level. Ergo, I don't plan on using that ...
0
votes
0answers
203 views

MS Access join table values, not recognized by ArcGIS symbology

I joined a MS Access database table to a GIS file. When I try to use symbology (categories) to represent a yes/no value which is in the table file (0/-1) it does not recognize it as a value.
4
votes
1answer
557 views

How to correctly display trees in ArcScene?

The first image is a screenshot of the view in ArcScene. I am trying to export this scene to a tif or jpg. The scene is composed of the following layers: A raster Three polygon layers displayed as ...
6
votes
5answers
4k views

What is the Typical Workflow from QGIS to Publishing Programs?

I have been playing with using Inkscape to combine my CAD title block and the map project created in QGIS. I was curious to understand what a typical workflow might be to Inkscape or another post ...
5
votes
3answers
731 views

Polygonize vegetation area from Landsat7 RGB using QGis / Bilko?

I'm trying to extract the areas with vegetation as a polygon-shape from a landsat7-image, 30m resolution, RGB, using QGis 1.8 or Bilko or (hopefully in the near future) ArcGIS. The area is in Northern ...
4
votes
3answers
5k views

Multiple labels for 1 point

I have map points for schools in a district. I want to label the map ID and the name of the school on the map. I have the map ID labeled within the point symbol but I want the school name outside of ...
1
vote
0answers
100 views

How to get partial polyline from stream trace?

I am creating SOE to do stream trace. That works fine. The geometric network only have NHD flowline. The problem is that tracing result return whole flow line. I am wondering if the result only return ...
7
votes
2answers
1k views

Conflating Two Network Datasets in ArcGIS

I am looking to merge two network datasets in ArcGIS 10.0. I have an ArcInfo license and have trawled this forum but am looking for some clarification. I want to merge two road networks but only make ...
1
vote
1answer
2k views

Split linestring to smaler lines

Hi I need help splitteing a linestring into smaller linestrings, using postgis. I need to route to closest point on the linestring, so i need to have more points on the line Sample Linestring = ...
1
vote
0answers
308 views

Geoserver Tile Generating

I'm a complete newbie at this so please excuse my lack of knowledge. I need to be able to place hundreds of thousands of points on a map. I'm using OpenLayers with Google Maps base layer and I just ...
1
vote
1answer
129 views

Set certain amount of pixels to 1 inside of a polygon (GRASS)

I have a rather coarse vector map with polygons and want to calculate a (sufficiently) finer raster map defined by spatial extension and resolution. Every polygon of the vector map has a value ...
1
vote
1answer
269 views

How to get a larger map from OSM2GIS?

My title is more than understandable,but the explanation part is that when i try to take a part that is larger than a big city i get an explanation that is to big for "trim".I tried to get whole ...
1
vote
0answers
141 views

Unable to display values in combo-box in ArcGIS Java Script API (ver 2.8)

I am trying to display few values in combo-box in JSAPI but I am getting an error ( I am not able to view the combo-box items). I have attached my completed code in JS-Fiddle (only removed server ...
2
votes
0answers
44 views

Spatial indexing of a point pattern in R [duplicate]

I have a point pattern and a tessellation (grid) in R. Is there a way to spatially index each of my points? In other words, my tessellation grid has n quadrats, I would like to know for each of my ...
2
votes
1answer
390 views

ModelBuilder: Multiple Iterators and Clipping

I have two separate polygon layers. One layer consists of voronoi polygons. The second layer consists of buffers, many of which overlap. I need to do is iterate through each voronoi, clip only the ...
4
votes
1answer
250 views

How to install QGIS on a 2006 iMac?

I would like to know if there is QGIS version for a 32bit Mac (Intel Duo core processor). The newer versions require a 64bit processor.
3
votes
0answers
38 views

Library for parsing scientific PDS files?

Does a library exist for parsing the PDS files that scientific planetary data gets shipped as? For example, here's a link to to the lunar topographic data from the Lunar Reconnaisance spacecraft ...
2
votes
1answer
2k views

Openlayers Transform not transforming a point from EPSG 27700 to EPSG 4326

I am trying to add Google street view functionality to a Openlayers Map. I have started by using 3 divs to hold the Openlayers Map (which uses a local tilecached base map), a google api map and ...
1
vote
1answer
270 views

QGis compile with Qt Creator error

I followed the steps in this article http://linfiniti.com/2011/06/using-qtcreator-with-qgis/ to compile QGis on Ubuntu 12.04 64bit with Qt Creator. I got the latest source for master with git. I get ...
7
votes
2answers
349 views

How can I force text to appear underneath other layers in QGIS?

To emphasise one particular polygon area, I have used rule-based styles (QGIS) to apply a 50% transparency white fill to every polygon but the one I am interested in. This polygon layer is above all ...
0
votes
3answers
366 views

Display Network analysis route service in India

I am working on ArcGIS JavaScript API, I need to display route from one point to another. Thats why I need any Network Route Service for India. Is there any?
4
votes
1answer
694 views

Interpolation of Values in ArcGIS

I wanted to interpolate the trend values (trend of sunshine hour calculated over 20 years) throughout the study area from the available station points. My confusion is in the selection of ...
7
votes
8answers
14k views

How to display ESRI shapefile in Android [closed]

It's the first time I work with Android and ESRI shapefile. I tried to find but could not find any tutorials to display ESRI shapefile in Android. Somebody can help me about this??? Thank you so so ...
2
votes
1answer
204 views

I want to create my own topographic map

I need to create topographic maps for scales between 1:100,000 and 1:500,000. This is due to the fact that the official topographic maps in my country are offered in 5k, 10k, 25k, 50k, 100k and 500k. ...
2
votes
1answer
118 views

Restricting dataset types does not work correctly in a dataset iterator

I need to obtain a list of all the CAD drawings within a specified folder (and subfolders). I initially tried using a Files Iterator in ModelBuilder, but when I specified the extension, it prompted me ...
1
vote
1answer
149 views

QGIS CSV file sorts low numbers as high

So I have numbers that range from 5 to above 50, and when I sort these from least to greatest, the numbers less than 10 are treated as higher than anything else. It also does the same when I try to ...
1
vote
0answers
85 views

Performance of dataset iterator over a network

I have a copy of the same folder on two (separate) network drives. I'm using a dataset iterator in a model to collect all the paths of files containing *_road*. There are a few dozen files in the ...
2
votes
1answer
106 views

What is the PostGIS function for retrieving buildings by road side?

I want to get information of buildings by the road side only. Assuming that the building table has multi-polygon geometry and the road table has multi-linestring geometry, what would be a pgSQL Query ...
2
votes
1answer
2k views

How to make a 'Make Table Query' script in ArcGIS?

I am trying to get the make table query running in a script. IF I simply export the script from a model, it works without a problem. However, I do have to change the variable names, as this will be ...
5
votes
2answers
1k views

Using Custom Functions in Python Toolbox?

I am trying to put together a python toolbox (Arc 10.1) and would like to use a defined function in my code. The function is: 'sys' is imported at the top of the file def listdirs(folder): ...
2
votes
1answer
938 views

How to use arcpy.mapping to batch export layer to KML?

I am trying to export map layers from an MXD to KML using arcpy with the following code: import arcpy, os, sys, traceback arcpy.env.overwriteOutput = True mxd = ...
3
votes
3answers
206 views

OGR: Meaning of “2.5D extension as per 99-402”

I'm looking at the enum defs in ogr_core.h. I see a bunch with comments that read: 2.5D extension as per 99-402. What in the world does that mean? Presumably it's referencing a spec or RFC? ...
0
votes
0answers
125 views

trying to make a point to polygon attribute join with a many to many match

I am trying to match US charter schools to noncharter schools in QGIS. I have constructed a buffer of 10 miles around each charter schools and then tried a join attributes by location match with non ...
1
vote
1answer
736 views

How to fix the “Snap tolerance” error message in QGis?

I am trying to use the "Delete part" tool on a shapefile. While I am starting to use it, an error message shows up : "Could not snap segment. Have you set the tolerance in Settings > Project ...
2
votes
3answers
3k views

How to Access the Current Workspace Using an ArcObjects Add-in for ArcMap?

Accessing current workspace using an ArcObjects add-in for ArcMap (Table of Contents has layer groups). I am trying to retrieve the current WorkSpace using ArcObjects for an ArcMap add-in in C#. Any ...
1
vote
1answer
315 views

How to Add New Freehand Shapes and Data in QGIS?

I'm new to QGIS. Can anyone either direct me to a good tutorial or explain? I want to draw freehand new shape layers on to Google Earth to map vegetation types and embedded data for each feature. I am ...
-5
votes
1answer
515 views

VBA Dialog box! Code for Create Map command button after form is initiated [duplicate]

Possible Duplicate: Code for Connecting to Folder/File to open a mxd document! I tried to make the title as thorough as I could. I need some help with VBA code for my dialog box. I have ...
3
votes
1answer
994 views

Hydrologic analysis with sextante-saga in qgis

(rough translation): Hi, I want to do hydrologic analysis of a DEM with sextante-saga in qgis. I found the plugin and the needed algorithms in SAGA, enabled them in the sextante toolbox, but when I ...
4
votes
2answers
431 views

Running Python 2.6 and 2.7 in ArcGIS Desktop?

I figure that there must be a way for me to run python 2.6 and 2.7 on the same computer. I've got a program that requires 2.7, but ArcGIS 10.0 requires 2.6. I'd like to be able to run both programs ...
0
votes
1answer
1k views

Which area measurement to trust? - The same polygon in GoogleEarth v. ArcGIS [duplicate]

Possible Duplicate: What is the most accurate coordinate system for calculating areas of polygons? I'm currently involved in comparing the "official metropolitan" areas of several cities ...

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