2
votes
2answers
2k views

How to cache online tiles on a development machine?

I am developing a slippy map web application using openlayers. Right now my tiles come straight away from OSM and google, etc. For the moment I always work on the same area for development purposes ...
2
votes
1answer
501 views

How can I, in a general way, rescale a raster in ArcGIS Model Builder

What I want to do is rescale a few rasters from whatever they are now (i.e., values between -99 and +1000 OR -256 - +256 OR 0 - 3.23) to a normalised value (i.e. values between 0 and 1). I would ...
2
votes
1answer
183 views

Can you use animated images as symbols in Mapinfo?

How is it possible to use image that blink or change (animate) as symbol in mapinfo? I tried to create custom symbol that blink in mapinfo but after I added it as symbol it didn't blink. Have I done ...
2
votes
0answers
708 views

Cannot Edit Features of PostGIS Layers in OpenGeo GeoExplorer

I admit I originally posted the question here: http://getsatisfaction.com/opengeo/topics/cannot_edit_features_of_postgis_layers But due to no response and not finding a solution, I thought I'd try ...
1
vote
3answers
295 views

Looking for MapGuide 2.1.0 web extensions / web studio - where am I going wrong?

I am trying to get to grips with MapGuide Open Source 2.1.0, and the first stumbling block is the Windows installer (!). I got the main binary from the MapGuide download page which has the ...
3
votes
3answers
452 views

How to package up a Python script for an end user to run

I have a Python script that I have made to some basic data management tasks. I want to package up a Python script in a nice user friendly way for an end user to run, they do not know how to run ...
1
vote
0answers
198 views

How exactly is an SLD_body object (when extracted from its XML href) structured when using a cElementTree to parse it?

I'm trying to export data from a PostGIS database into a geoserver and I've gotten it to where I can get the PostGIS database to point to the geoserver (I'm doing this as a python script for a GIS ...
3
votes
0answers
174 views

Elevation statistics for a given Area

I am attempting to determine the best way to calculate the Minimum and Maximum elevation for a defined area. The area is defined by an IPolygon The elevation is defined as an ISurface Possible ...
2
votes
3answers
661 views

Is it possible to Automate label settings with ArcMap 9.3.1

We have several users that are using ArcMap, and have asked me to create a fairly complicated label scheme. I have created several classes, each with different Expressions describing the labels. I ...
1
vote
4answers
5k views

making a mask with arcmap 10

I have a grid layer and a shapefile representing a closed boundary. I need to make a new grid as big as my current grid but with values equal 1 inside the closed boundary shapefile and -999 for grids ...
1
vote
2answers
985 views

How to create a custom Balloon for Google Earth?

I just came across one question related to google maps in stackoverflow. Google Maps: How to create a custom InfoWindow? I really like the popup that they mentioned in the question and the image is ...
2
votes
1answer
392 views

Looking for options to use Mapfish with PHP

I recently installed MapFish on my test server and started to play around with. As I'm not that good in python/pylon I'd prefer to work with that framework with PHP. I read that it is possible with ...
1
vote
1answer
953 views

Escaping spaces in paths for use in batch file

I am making a MapInfo program in MapBasic. I am calling OGR2OGR in order to convert some files. To do this I am generating a batch file and then running it. My code looks something like this: RunStr ...
1
vote
0answers
259 views

Valid ranges for bounding box in WMS 1.1.1

I'm connecting to a WMS server and found that the longitudes LatLonBoundingBox specified for some of the values are slightly outside of the +/-180 range (such as 180.05). Are these values considered ...
2
votes
0answers
224 views

ArcObjects .NET 9.3 upgrade to 10 breaks IRasterDataset.Copy(…) code

I have to upgrade an application from ArcObjects 9.3 (C# .NET) to 10. Unfortunately, there seems to be some incompatibility regarding the IRasterDataset.Copy method. The following code worked fine in ...
2
votes
1answer
1k views

Convert Features to Graphics

I want to convert selected features to graphics and keep the featuere symbology. I was thinking I could just call the UID command below, however it seems to not be working? Dim pUID As New UID ...
1
vote
1answer
3k views

How to generate shape file from Excel or CSV files? [duplicate]

Possible Duplicate: How can I convert an excel file with x, y columns to a shapefile? Probably this could be an easy question for most of the people. But I would like to know the way to ...
2
votes
1answer
124 views

Is there a straightforward way to get the source/target point geometry of an edge?

I was wondering if there is a straightforward way to get the source or target point geometry of an edge? It is still not clear to me how the source-target works. For example, if I use ...
7
votes
2answers
1k views

Can GeoEXT 1.0 be used along with ExtJS 4.0?

On the GeoExt website their tutorial page has some instructions on how to setup up a application to use GeoEXT. This is the page I am referring to. It mentions that you should download GeoEXT 1.0 and ...
2
votes
1answer
449 views

Why are STDistance results so small?

Im trying to get familiar with spatial data using sql server 2008. I use book: http://www.beginningspatial.com/ and there is sample data: ...
3
votes
1answer
537 views

How do I perform one-step transformation in python?

I would like to perform transformation for this example data set. I have here four pairs of adjustment points and want to transform given point coordinates from primary system to secondary system ...
3
votes
2answers
1k views

How to reproject from Michigan Georef to WGS84 in QGIS?

I am trying to reproject a michigan state land shapefile which is the NAD83/ Michigan Oblique Mercator EPSG:3078 to the WPG84 EPSG:4326 projection. However when i try to do this my map gets squished ...
1
vote
1answer
133 views

Render a raster with hue values in QGIS

I have a single-band raster (a GeoTIFF) with hue values in the band. I'd like to render it, preferably in QGIS but another open-source GIS would be acceptable as well. The saturation and value should ...
5
votes
1answer
581 views

How to restrict or block certain paths in NetworkX graphs?

I am trying to calculate shortest path between 2 points using Dijkstra and A Star algorithms (in a directed NetworkX graph). At the moment it works fine and I can see the calculated path but I would ...
1
vote
2answers
232 views

How can I define the extent setting of environments programmatically in VBA?

I use the following line of code to define the extent setting of the environments GP.Extent = "144566.589424822 351191.130242809 145772.160224822 353810.742942809". However, I need to define it ...
4
votes
3answers
2k views

How to a sync file geodatabase across multiple office locations?

I am planning to have a work project with multiple file geodatabases, fgdb (consisting of images, grids, feature class, etc) and these will be passed along to three regional offices and will sit on ...
4
votes
4answers
240 views

Is city-supplied GIS data sufficient for transit operators or do they need their own set of GIS data?

City GIS data is usually built in a format where streets/avenues/boulevards/etc are modeled as lines that are geographically located in the middle of the streets/avenues/boulevards/etc. Is that ...
2
votes
1answer
1k views

Shapefiles on WMS Server

I've been reading about using WMS servers to server shapefiles. When a server does support shapefiles over WMS, what format does the client download the shapes in? Will it typically be an image format ...
1
vote
1answer
130 views

Increased memory usage while zooming and dragging

I have a problem that deals with memory. When I run my GIS program, it uses 495K from my memory after 1 minute. And it continues to work with same value. But when I zoom in / zoom out / drag the ...
11
votes
10answers
4k views

Web GIS Development Skill Sets [closed]

What technologies and skill sets should one who wants to do web GIS development study/acquire? One skill/technology per answer please.
4
votes
1answer
2k views

How can I change the display name of the “Scale” control?

Here is the thing. I added the Scale control to my web and is displayed in a div at the bottom. I need to translate the "Scale" text to other language but I can't find how to do it. I searched in the ...
4
votes
1answer
559 views

How to deal with direction (CW, CCW) of circles, in particular with shapely?

I am translating an input that describes zones by mixing segments and arcs. Arcs are given by a center, 2 points (beginning/end of arc) and a direction (CW or CCW). In a first prototypes using GDAL, I ...
4
votes
2answers
2k views

ArcGIS Geoprocessing Services - Don't work if 'Run python script in process' not checked

I have a standard geoprocessing toolbox that I am exposing as a geoprocessing service. The tools in this toolbox are plain 'ol python scripts. All of this is being done in ArcGIS 9.3.1. As a ...
7
votes
1answer
4k views

Setting Output Parameter in ArcPy for Server Tool

I have published the following script tool (which is wrapped in a model, i.e. just the script tool and all of its parameters) to ArcGIS Server 10. The GP service succeeds when run, but I cannot ...
6
votes
2answers
3k views

GeoServer OpenLayers preview always points to localhost:8080

In GeoServer, when I go to Layer Preview/OpenLayers, I get a web page, but the HTML points to localhost:8080 (instead of a relative path) for its WMS requests, so I can only see previews on the server ...
7
votes
1answer
5k views

using arcpy outside arcmap

There may be something I'm missing, but is it possible to use the arcpy module outside arcmap? My situation is that we have one license on a computer which is shared over a network. I need to do ...
3
votes
0answers
231 views

reproject wms in geoserver [duplicate]

Possible Duplicate: Re-projection in Geoserver I've got a WMS service that publishes in WGS84 (EPSG:4326). I have several AutoDesk users that need to use the imagery in NAD83 (EPSG:2227). I ...
10
votes
3answers
2k views

getting dxf files out of PostgreSQL

I've successfully loaded a bunch of shapefiles into a PostGIS database. I would like to be able to retrieve specific geometry and layers as dxf files based on SQL queries. I'm using PostGIS, GDAL, ...
3
votes
2answers
542 views

How to fix this spatial query in GeoDjango?

I am new to Geodjango. and I am following the steps given in https://docs.djangoproject.com/en/dev/ref/contrib/gis/tutorial/# and the steps i followed before ...
6
votes
1answer
3k views

How do I make text show up on top of Markers using Carto in TileMill

I'm attempting to place intersection markers on a trail map. Each intersection has a number. I can't seem to get the text show up above the marker. If I use the opacity, I can see the text is ...
13
votes
2answers
572 views

Who should be responsible for editing GIS data?

I work for a municipality with an enterprise GIS. What would be the argument for performing all data editing in the GIS department? Conversely, what would be the argument for data updates being ...
3
votes
1answer
982 views

Consuming an asynchronous Geoprocessing service in ESRI's Flex API

I have been trying to consuming my own asyncronous Geoprocessing service using ESRI's FLEX api, but i am either doing something dumb, or there is some trick involved in getting the results out. Since ...
3
votes
1answer
957 views

OpenLayers polygon fill on IE has black shading

I have an odd problem on with OpenLayers on IE6, IE7 and IE8. A newly drawn polygon has odd black shading. In fact, even the line (stroke) has the same black outline. Works great in Firefox, ...
0
votes
2answers
2k views

Select only records with region objects in MapBasic

I am writing a program that finds overlapping objects. I can't perform the AreaOverlap() function on objects that don't enclose an area (e.g. text, points) as the result would be meaningless. Is ...
7
votes
2answers
3k views

How to generate an image from OSM on command line?

Is there a GNU/Linux command line tool that allows to generate an image file from OSM, preferably as an SVG?
7
votes
3answers
4k views

How to find a point half way between two other points?

I'm working on implementing the OSM Mobile Binary format for map data, and because it uses a 16 bit delta for each point along a way, it cannot represent a way if there is a large distance between two ...
1
vote
2answers
156 views

Can any non-Terrago products produce geopdfs recognized by the Terrago toolbar in Acrobat?

Neither ArcMap nor GlobalMapper seem to be produce geopdfs that are recognized by the Terrago toolbar. Can anything besides Terrago products produce geopdfs that the Toolbar will accept?
7
votes
4answers
4k views

How to remove numeric characters from alphanumeric value in field calculation?

I have a field containing alphanumeric values in the following format: A-AA00 Sometimes they are also A-AAA0 I need a Python script I can put in the field calculator in ArcMap 10 that will at ...
5
votes
1answer
1k views

Calculating radius / buffer on EPSG 3785 in meters vs buffer in WGS 84 in meters

The goal is working in EPSG 3785 and in particular Google Maps, one wishes to render (on a tile) a circle of a given radius in meters. The rendering is done in pixels. I would guess that one could ...
1
vote
2answers
297 views

Automatically apply topology rule to only selected portions of a .shp file?

I am looking for some examples/tutorials on how to apply a topology rule to only a selected portion of a shp file using a script in ArcGIS/GRASS. Using ArcGIS seems to always require an interactive ...

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