1
vote
1answer
223 views

How to autoclamp to ground automatically in Google Earth using a dynamic KML created from ArcGIS Server 10

It loads as an absolute everytime so terrain must be turned off to see the lines. Any idea how to get it so they default to clamped to ground? Using newest version of GE.
0
votes
0answers
3 views

Esri Javascript API Optimization

I am looking to optimize (compressed version) my esri javascript api with dojo, please guide
0
votes
0answers
7 views

Postal codes in shapefile overlapping

I downloaded some shapefiles from the Australian Bureau of Statistics (ABS). Its basically showing a bunch of suburbs when I view the shapefile through a GIS tool. The GIS tool that I am using at ...
0
votes
1answer
6 views

Vector Layer editing in OpenLayers

I can draw a polygon in OpenLayers by this code. var points = []; var point = new OpenLayers.Geometry.Point(0, 0); point.transform('EPSG:4326', 'EPSG:900913'); ...
2
votes
1answer
28 views

Converting Vertices of Polylines and Polygons to Points and Maintain Attributes

I'm pretty sure someone has done this before, but I'm having no luck. I'm using ArcGIS Standard version 10.2.1 and I want to convert all the vertices of a polygon or polygon to points. Essentially, ...
1
vote
1answer
31 views

Problem with Intersect_Analysis : too long path? [on hold]

I made a python code for Arcgis 9.3. to intersect 2 features. The problem is that code works when the files are on my desktop (for example) but not when they are in a long path on another disc. Here ...
0
votes
1answer
69 views

GeoServer 2.2 and KML with multiple layers

I would like to be able to create a single URL that allows the download of three layers in a single KML file. Here's two ways to do that: WMS KML Plain GeoServer Application Link Both fail. The ...
1
vote
1answer
19 views

Eliminate 0 Values From Raster

Arcgis 10.2 I currently have a raster file that I want to turn into a set of polygons. This will help me to create specific buffers around certain points. The extent of my values are 0, and 1. When I ...
0
votes
0answers
24 views

Looking for WFS component for c# client

I have to retrieve data from FME server for use in a C# project, and thought that WFS would be a good format, since it has native support in FME and returns features and geometry. However, I can't ...
1
vote
2answers
233 views

Is there a way to get correctly aligned print export with openlayers plugin?

I am a beginner using QGIS (1.8.0 Lisboa) on a Mac (OS X 10.6.8 Snow Leopard). I work on a file with two layers in the following sequence (top to bottom): a vector polygon layer with a few outlines ...
0
votes
0answers
18 views

How to convert this data to LatLongs?

We have data like Number of pixels 2589, X position 359 Y position 606, and area computed as 2.217411. How to convert this data to LatLongs? it should ...
0
votes
0answers
7 views

USGS Earthquake GPS Metadata: Buffer Zones & Python

I'm making a python web crawler that gets USGS earthquake GPS data, and I'm wondering how I should process the latitude longitude pairs to see if it falls within a specified radius of a specified GPS ...
0
votes
0answers
11 views

Writing a script for accessing QGIS tools for use in HTML WebPage

my objective is to write a script which uses QGIS GRASS Plugin tools and generates an IDW Interpolation Output and passes the file path as a parameter, which can be used in an OpenLayers API ...
2
votes
1answer
143 views

IBufferConstruction create buffer with different geometry types (C# ArcObjects)

I am using the following method in C# public void ConstructBuffers ( IEnumGeometry pInputGeometries, double distance, IGeometry CollectionpOutputBuffers); to create buffers. In the ...
0
votes
0answers
3 views

Using USGS_Raster_Conversion_Scripts.zip to convert ArcGrid files to GeoTiff

I know the GeoTiff export option is no longer available in the http://viewer.nationalmap.gov/viewer/# so will have to convert it from ArcGrid source files instead. I am following the readme and how to ...
0
votes
2answers
36 views

using Python to calculate NDVI, output as a Geotiff

I need a script that can calculate NDVI from two separate input Geotiff files, then output the results as a Geotiff. I wrote following script, most of which is borrowed from various on-line sources ...
1
vote
1answer
153 views

passing geocode results object to another file

I'm using a geocoding plugin (Leafet.GeoSearch) on a map and I'd like the results, being the LatLng point coordinates, etc available as a parameter for GeoServer cql filtered calls. It doesn't seem ...
1
vote
1answer
33 views

How to make river lines intact between confluences in QGIS?

I got a river shapefile below, and I found that there are many fragmental lines in this line shapefile, like, and, Most of these are located around the confluence(node), and how can I do to ...
0
votes
0answers
20 views

Looking for QGIS 2.0.1

So I deleted my old version of QGIS Dufour (2.0.1) with the intention of replacing it with the new version (2.2). It wasn't until I deleted my old version that I realized my Mac OS 10.6.8 is not ...
3
votes
1answer
272 views

How to use an ArcGIS Server cache directory with multiple (differently named) map services?

We have a map service named 'X' that created and uses tiles in a cache directory 'Folder_X'. I'd like to create a second map service named 'Y' that uses the same cache directory - that is, it serves ...
2
votes
1answer
23 views

How to set default values for reference grid in ArcMap?

I currently use ArcMap 10.2 and find it quite handy to be able to set default values for settings such as Labeling Properties, ensuring new maps use relative paths and to always build pyramids for a ...
0
votes
0answers
43 views

Issue blocking QGIS feature form dialog with Python

I'm not sure where I'm going wrong with this python logic for a custom form in QGIS 2.0.1. There are a few things required by the validation function: that index of combo boxes aren't 0 (first index ...
8
votes
3answers
2k views

Exporting arcgis features with attachments

Arcgis 10 features the new ability to add attachments to individual features to feature classes stored in a geodatabase. One use of this would be to add multiple pictures to a specific location, fire ...
2
votes
2answers
39 views

Select polygons that do not intersect any other polygon using QGIS, GRASS, SAGA or R

I would like to select the polygons of the layer below that do not intersect with any other polygon (within the same layer). How can I do this using QGIS, GRASS, SAGA or R?
1
vote
2answers
78 views

Saving a gml layer does not change coordinates

I am trying to export a gml layer to geojson with lat/lng as the preferred coordinate system. So what I did was a 'save as' on the layer with selected CRS: 'IGNF: WGS84G'. Now I was hoping it ...
4
votes
1answer
42 views

Interpolating vertically in 3D analyst

Here is my problem: I am working on mapping pollutant concentrations in a pond from point-sampled data. There are 50 sampling locations in the pond (randomly dispersed), and at each location there ...
0
votes
1answer
128 views

How to draw a custom map on top of base layer

I'm looking for the easiest way to draw a custom layer and export it as a tile cache. Basically what I would like to be able to do is load a base layer, and then draw objects and annotations on top ...
0
votes
2answers
28 views

Shapely: Round Polygon Corners?

I use the python module "shapely" to make Polygons (like below). Can I convert the sharp edges of a polygon easily to round edges? Such that when I have unified some polygons I could issue a command ...
0
votes
1answer
270 views

SELECT assign_vertex_id('ways', 0.00001, 'the_geom', 'gid'); not work

I'm using using OSgeo 6.5 dvd and studing pgrouting workshop (link) for get shortest path. I created network topology call "pgrouting - workshop". There are three commands to execute in section 5.2 ...
2
votes
2answers
45 views

How to find measures of points that are close to route in ArcGIS 10.2?

What I have is a route layer of a river and points layer with associated temperature data (temperature of the river) that were collected using an airplane. The path of the points does not match the ...
1
vote
1answer
86 views

Find directly joined neighbour points using a different line layer in QGIS

I have two layers of data: A set of points showing every significant point on the UK rail network (Network Rail Stanoxes). These are a mixture of stations, junctions, timing points and signals. An ...
1
vote
2answers
31 views

Convert from Julian Date to Calender Date in Field Calculator

Does anyone know of a way to convert from a Julian date to a regular calender date in either QGIS or ArcGIS field calculator? Thanks...
1
vote
1answer
24 views

How to extract information from a buffer in ArcMap

I have a buffer in ArcMap 10 extending from a polyline, with numerous 5 km intervals (multiple buffer tool). I also have many layers already in raster format in ArcMap, including slope angle, geology, ...
-1
votes
1answer
50 views

Maximum length of path using arcpy? [on hold]

I'm using ArcGIS 10.1. When I try to run the script it gives me this error message. ExecuteError: Failed to execute. Parameters are not valid. ERROR 000732: Input Data: Dataset 'Q:\Field Data\6th ...
3
votes
3answers
128 views
+50

Is there a way to call the clip function in pyQGIS from the python console?

Is there a way to call the clip function in QQGIS from the python console? It is found under geoprocessing tools in the vector menu.
0
votes
0answers
7 views

custom toolbar combobox: issues with adding functionality

I've added a combo box to my custom toolbar in QGIS (based on this thread QGIS - Add a combobox to a toolbar), but there are two things I'd like to achieve that can't get working: first, dynamically ...
5
votes
1answer
453 views

IFeatureClass.Search throws error “0x80041599 The number of points is less than required for feature”

I am creating a buffered geometry around a point feature in order to search for other nearby features. I use the TopologicalOperator to create my buffered geometry. I am attempting to search a feature ...
1
vote
0answers
10 views

Comparing/Correlating NDVI Rasters with other index Raster [on hold]

So, I've created two rasters. One for NDVI and one for another index for surface water. I can visual see how the indexes are inversely proportional. areas of higher readings in one raster correlate ...
0
votes
1answer
25 views

error:[RPC Fault faultString="Unable to complete operation..] intersect widget

I am trying to develop a intersection widget using the geoprocessing service. my geoprocessing service is as follows: I try to consomer this service in my flex application this is my code: ...
0
votes
1answer
56 views

Can I set the max or min zoom on a CartoDB embed?

I'm using the default iframe embed to display two CartoDB maps, but I'd like to prevent people from zooming out past a certain point, or if that isn't possible, to prevent zooming at all. Can I do ...
0
votes
0answers
5 views

Can't see html file on my computer when trying to create an html annotation

I am using QGIS 2.0.1 on my Windows 7 operating system. I want to create an html annotation. I have created an html file on Microsoft Word 2010 by creating the document and then saving it as a "Web ...
0
votes
0answers
5 views

CartoDB: Can't find where to change Google Drive log in credentials

I'm trying to create a new table in CartoDB. I click New Table I click the Google Drive data tab I click the connect with gdrive button At this point it seems to be automatically logging in to the ...
0
votes
0answers
4 views

Configuring Mapproxy + Mapnik for using Getfeatureinfo

This is probably a duplicate of this question: How to configure mapproxy and mapnik for getfeatureinfo requests, however, that one is old and still unanswered. I'm trying to configure a Mapproxy ...
2
votes
1answer
75 views

I want to split a worldwide 'road dataset' into multiple grids/blocks-extents, depending on the amount of features resides in that block-extent

I want to split a worldwide 'road dataset' into multiple grids/blocks-extents, depending on the amount of features resides in that block-extent. If the amount of features(inside that block) is still ...
1
vote
1answer
25 views

In what ways has QGIS 2.x API changed making Plugin Builder Tutorial invalid?

I am working on the QGIS workshop Tutorial for QGIS Plugin Builder and notice that it is for QGIS 1.1. As this seems like a popular tutorial, in general, what are some areas of this tutorial that need ...
0
votes
0answers
16 views

Chopping vector polygons

I am a Global Mapper user. In GM we have a function to chop polygons with holes in it. Is there such function in QGis? If yes, is it available via script? I am totally new to QGis so I would ...
14
votes
11answers
5k views

What is the best open source software package for Remote Sensing?

Here are many questions with great answers about open source GIS software. I am wondering, what is the best open source software package for Remote Sensing? I would like to learn it and to use in my ...
0
votes
1answer
17 views

Getting a reference to the current basemap

In my application I'm using basemap gallery widget for the user to switch between basemaps. However, when the basemap has been switched the map.getBasemap() keeps returning the original basemap ...
17
votes
8answers
6k views

What are best alternatives to Esri software for LIDAR data?

I will be working with LIDAR data soon and am wondering what are the best alternatives to Esri software in your opinion? Which are generally considered to be the tops and flops of the LIDAR Sofware ...
1
vote
1answer
326 views

WFS in Openlayers

I am new in Openlayers and web services in general, but until now I have managed to create a WMS (published by ArcGis to a server provided by uni) and connect it with Openlayers. Projection etc works ...

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