45
votes
8answers
8k views

How to create Vector Polygons at the same amazing speeds GISCloud is able to render them?

EDIT (outlining new bounty added): I have added the largest bounty possible to this question in hope of getting a very detailed answer. Your solution should outline a step-by-step guide utilizing open ...
19
votes
4answers
17k views

How to define layer order in Openlayers?

I have a marker layer, two vector layers and two raster layers. The marker layer gets covered by the two raster layers. Is there a way to move the marker layer always on top? Edited: The order of ...
5
votes
1answer
462 views

Is there any way to match images against google maps satellite view?

I've got an image that was snapped from google maps satellite view. I know the general location (within a county), but need to find the specific location of the top-down photo. Are there any tools ...
2
votes
1answer
211 views

Why is my DEM not caching correctly?

Relating to a previous post, found an excellent source for data called Koordinates. I downloaded this 5m DEM of New Zealand, Wellington. This is in a TIFF format and I have added to ArcMap 10, ...
3
votes
2answers
1k views

How to set a custom center and zoom level for Zoom World icon in OpenLayers?

OpenLayers Zoom Pan Control has a Zoom World Icon. When it is clicked the map zooms all the way out. Is it possible to override this behavior and define a center and zoom level to which the map should ...
0
votes
1answer
662 views

How to get WMS layer title instead of layer name from Geoserver?

I specified the raster file with "name" and "title" in Geoserver. For example, I have these in Geoserver: name, Title AT:usa, "This is a map of USA" Can I return the title ("This is a map of ...
0
votes
1answer
548 views

How to duplicate feature-linked annotation linked to the same feature class in 9.31?

I am trying to make many feature-linked annotation feature classes linked to the same (point) Feature Class, the symbology is exactly the same, but I need separate anno's for users so they can create ...
8
votes
2answers
3k views

Can I create, union and intersect 3D multipatch features using 3D Analyst extension (ArcGIS 10)?

I'm on ArcGIS 10. According to all the documentation I've read, 3D Analyst should be able to do what I am trying to get it to do, but I am running into problem after problem and I'm almost ready to ...
6
votes
1answer
210 views

What is the best raster format for large NoData areas?

Is there a good raster format for dealing with a large number of NoData cells? I do a lot of flood modeling and mapping, and recently I've been using rasters to show predicted flood depth and/or ...
7
votes
1answer
4k views

How to update the length property of a feature class field?

I have a feature class with a string field that I want to update the length from 10 to 25. Is there a way or a tool to update this property without having to create a new field and using field ...
17
votes
8answers
6k views

When Versioning with ArcSDE can posted edits be cancelled or rejected?

I am using ArcGIS 9.3.1 and attempting to work with an SDE geodatabase (with one polygon feature class) that has already been registered as versioned. I'm new to versioning and am still trying to ...
8
votes
2answers
6k views

Looking for free web service that calculates driving distance between 2 addresses

I'm looking for a free web service that gets an input of 2 addresses and returns an output of driving distance between the 2 points. In addition I'm looking for a web service that doesn't require ...
1
vote
1answer
2k views

google maps V3 : in javascript api, render route obtained with web api

I have to obtain route directions with the Google maps v3 WEB (http request) api (computations are made server-side, based on this data, without client interaction, so no JS available). Then, the ...
4
votes
1answer
448 views

How to add layer to OpenLayers, but without it getting automatically added in LayerSwitcher Control?

I have a Openlayer web map with LayerSwitcher control added. I need this to switch some of my layers. But I am also adding and removing some layers, which are temperory and i donot want them added to ...
1
vote
1answer
498 views

Finding the max. zoom level containing imagery at a point in Google Maps?

Is there a way to find the maximum zoom level containing imagery at a point in GMaps? I'm wanting to automatically zoom my map in as much as possible when a user chooses a point, but sometimes there ...
3
votes
2answers
398 views

Where to buy training licenses for learning ArcObjects?

A client of mine wants me to do some work with C# and ArcObjects. However, I have no real experience with C# (or much ArcObjects except with Java to be honest). Rather than outsource the work, I ...
4
votes
1answer
771 views

Find distance and heading from a point to a polygon in lat, lon coordinates

I have counties mapped using polygons in Shapely with latitude/longitude for coordinates. Given a complex polygon x and single point y, how would I find the shortest distance between x and y as well ...
6
votes
1answer
1k views

How to create a style file for QGIS from a plain text file?

Using QGIS 1.7. I have a plain text file, which lists 115 rgb values against a map code for a geological map. Viz.: $ head gsv1Msymbology.txt MAPCODE RED GREEN BLUE Oc 143 255 255 WAT 255 255 255 ...
1
vote
1answer
461 views

Passing GPString value via Flex

In this example from the ArcGIS for Flex samples page: Clip and Ship I am curious how from this function how the label property of each check box that is passed as input for the Layers_to_Clip ...
1
vote
1answer
3k views

What is the best way to automate the importing of symbology into feature classes in ArcMap 10?

I'm importing several shp files with the same schema using the FeatureClassToGeodatabase tool in Arcpy and during the process I would also like to apply some standard symbology to the feature class. ...
8
votes
4answers
3k views

How to create arcs between two points in Python?

I've been working on an python script automating the visualization of live point data. I have a table with two coordinate pairs. I'd like to connect these two point with an arc of a circle or similar ...
5
votes
1answer
953 views

ArcGIS 10 Add-ins - How to adjust the size of an add-in toolbar?

I've built an add-in toolbar with two buttons. Works great, but I'd like to make the toolbar a little wider so that the user can see it's full caption. Is there a property I can adjust in the ...
2
votes
3answers
469 views

How to align TIF and GPX layers in QGIS?

My initial layer is an OS tif file, with its associated tfw. I can zoom into the area I want, no problem. The CRS is OS 1936 (and that's the project CRS as well). I download a 'track' layer from an ...
6
votes
1answer
1k views

PostGIS and invalid SRIDs

I'm having difficulty with a PostGIS query. I am trying to query my database (world_countries) using a bounding box drawn on a google web map. The objective of this query is to find any countries that ...
8
votes
11answers
2k views

Device for Logging GPS and Accelerometer Data?

I am looking for a device that can track my location (lat,long) and speed all day long. Perhaps, I need GPS and accelerometer data bundled together. What I want to do is to log my daily activities. I ...
5
votes
1answer
2k views

Create a definition query for groups of layers: Is it possible?

I have a large number of groups created, with each group having many layers. I have looked for a way to set a definition query for all the layers in each group but haven't found anything. Is it even ...
1
vote
0answers
100 views

Manage representions by updating rules with original data

In case your not familiar with representations. There is new since 9.2 a cartographic representation available. It allows for rules based on data fields to determine symbology. Admittedly it is very ...
3
votes
1answer
203 views

SDE Connections during Caching

I am running caching on a server using ArcGIS Server 10. It seems like it is holding SDE connections, older than 2 weeks, to the point that it has maximized connections. I am not sure why it is not ...
3
votes
2answers
312 views

Sort feature type order in FME KMZ writer

I have 4 feature types I am writing to a single kmz file using FME. Currently, these feature types are written as folders in the kmz file and appear in alphabetical order. Is there any way to sort ...
5
votes
0answers
139 views

How can I control what is passed to the OnCreate() method when a command or tool is initialized? [closed]

In an ArcEngine application can I control what is passed to the OnCreate() method when a command or tool is initialized? (I am using a synchronization object because I have both a map and a ...
8
votes
1answer
403 views

How can I use an ArcGIS.com map that's not shared with everyone from JavaScript API?

I like to use the ArcGIS.com to create a map with operational layers on top of a baselayer. I would like to have the Content and Map as private but to show the map in an application built with ...
6
votes
2answers
2k views

Is it possible to show Pie charts in QGIS Legends?

I would like to display some pie charts on my map. They show in the map frame perfectly but in legend on the print composer I am unable to show the legend for the pie charts. QGIS just shows the style ...
2
votes
2answers
772 views

Creating layer from in-memory shape data using ArcObjects?

In my current project, a feature layer is created based on shape data generated after some complicated surface analysis procedure. The sequence right now is like [Surface Analysis Algorithm] -> ...
3
votes
1answer
3k views

How to determine if a mouse click falls within a polygon

I have a polygon drawn on top of a layer using the graphicsContainer of the current activeView, then I want to be able to show a custom context menu if the user right clicks INSIDE the polygon. So I ...
3
votes
2answers
1k views

Check if an object is empty in mapbasic

I have mapbasic code that manipulates the obj-column in a point-table. Some rows doesn't have any geometry so the obj-column is empty. My question is how to check if there is no object? All the ...
8
votes
5answers
4k views

How to emulate this grayscale basemap look+feel in Google Maps

I love the design on the Development Seed homepage, where they've used a grayscale basemap with bold 3D-style graphic markers. It appears that they've used the ModestMaps API to create a tiled ...
4
votes
1answer
398 views

A count of points within a set distance using updatecursor

I have a script that calculates the average distance between points. What I want is to rewrite it so I can input the point layer, input a distance, and the output field will tell me a count of the ...
3
votes
2answers
269 views

Hand fit curve and then apply to time series of rasters, make a map. How?

Maybe a data management problem, not too sure, but likely a challenge which someone has dealt with before. I have a time series of rasters. I can summarise the information by taking averages of each ...
1
vote
1answer
751 views

Hotlink vector/raster files to open in current workspace in ArcGIS 10 similar to Mapinfo

I want to add datasets to ArcMap and place them in a particular group layer by simply clicking on hotlinked polygons in a shape file. The same process is easy in MapInfo and I want to implement the ...
4
votes
1answer
2k views

How to let ArcGIS Server see related records in a geodatabase

I have an ArcSDE geodatabase which contains multiple relationship classes. If I add this layer to ArcMap, the relationship is automatically applied (eg, the Identify dialog allows me to drill-down to ...
7
votes
2answers
2k views

How to use a field-to-RGB mapping for symbology in QGIS?

Using QGIS version 1.7. I have a plain text file that lists a set of rgb values against a code. I want to use this colour table to colour a polygon layer by mapping one of its attribute fields ...
6
votes
1answer
174 views

How is the “place” determined for this Tiger 2010 shapefile address record?

In most cases, an ADDR.DBF record links to an EDGES.DBF record that links to a FACES.DBF record that links to a PLACE.DBF record that contains the place. Sometimes, the place key in FACES.DBF is ...
1
vote
0answers
69 views

Are there any Amazon Silk demo videos showing tiled mapservice performance?

After reading about Amazon's Silk browser, it seems like this might work really well serving map tiles that are stored in S3. Does anyone know of any video from a live demo showing a web mapping app ...
1
vote
0answers
465 views

Exporting layer selection to a file GDB

I have over sixty layers in a map. These are all grouped by categories. I am trying to figure out the best way to export all the layers for a given selection to a file geodatabase and also maintain ...
7
votes
1answer
110 views

How to rectify the walls of buildings in PostGIS?

I need an operations in PostGIS to eliminate intermediate vertexes in a polygon to rectify the walls of a building. I was revising http://trac.osgeo.org/postgis/wiki/UsersWikiExamplesSpikeRemover but ...
1
vote
1answer
2k views

How do you get mapserver for windows work on 64 bit microsoft 2008 server?

How do you get mapserver for windows work on 64 bit microsoft 2008 server? I tried installing it and the apache server said it started but it would not serve even a basic html file. I have 32 bit ...
7
votes
1answer
781 views

PostGIS Intersection and Summarise Attributes

I am usually an ArcGIS desktop user, but keen to start using PostGIS more and I have a really big bit of processing to do. Not sure what functions to use, hopefully someone can help. I have a polygon ...
2
votes
1answer
376 views

Why does this python function return a value of 0 in field calculator?

I am trying to calculate the percentage of a total which the median value makes. I have a column with the median column labelled (i.e. 1st,2nd,3rd,4th column is median), the columns of values and the ...
2
votes
1answer
339 views

Why does “takes no arguments” error propagate from Arcpy example?

I was attempting to run Setup_Customers_Using_Tabular_Data , I modified the paths to fit my environment but when I run the program I receive SetupCustomersByTable() takes no arguments (6 given) ...
6
votes
1answer
1k views

ArcFM vs ArcGIS for Water Utilities functionality

I'm trying to ascertain the difference between ArcFM (Water) and the functionality now available in ArcGIS for Water Utilities, given the templates and OOB 'stuff' ESRI have pushed forward in the last ...

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