0
votes
0answers
259 views

Adding imagery or world topo map from arcgisonline to map

I have an ESRI Javascript API application that uses a local Map Service with various feature layers. Now I need to add Imagery or top maps from ArcGIS online as base maps. I am trying the following. ...
3
votes
3answers
3k views

Want to dissolve adjacent polygons but no common edges

I have a bunch of parcel data, I want to join the polygons basing on the same owner name. Even they are not touched, I want merge them together, such a 100 feet tolerance. The purpose is to show the ...
3
votes
2answers
2k views

Geoexplorer cannot Save and Publish maps

I installed Geoexplorer 3.0.2 according to instructions. I also setup GEOEXPLORER_DATA in web.xml file and it seems that it works fine because http://localhost:8080/geoexplorer/maps/? returns: ...
10
votes
6answers
2k views

Is there a way to connect to PostgreSQL in ArcCatalog without SDE? [duplicate]

Is there a way to connect to PostgreSQL in ArcCatalog without SDE? I came across this post from 2011 that suggested using zigGIS but I can’t find a working link to the program. A little background: ...
2
votes
1answer
250 views

How to use ArcGIS WPF Runtime Deployment Tool via Command Line?

I'd like to be able to use the WPF Runtime (10.1.1) Deployment tool via the command line. If I run DeploymentTool.exe /? on the command line, I get the dialog in the attached image. The /c option ...
2
votes
1answer
419 views

Decompress Tile Package

I'm curious if it's possible to decompress a 10.1 tile package (.tpk) into a different format such as the cache bundle format.
7
votes
2answers
7k views

How to generate a DEM from a contour Shapefile?

I want to create a DEM from depth contours (shapefile) in QGIS. I've been trying to work out how to do this based on this previous question, notably from this link from that page, however I'm stuck, ...
2
votes
1answer
530 views

Generate unique ID upon creating a feature?

Looking for a way to generate a unique Global ID within a feature set when a new feature is created. For example, every time a sewer manhole is added, we need to generate a new unique Global ID that ...
2
votes
1answer
632 views

Blank MapServer WMS image at low zoom levels in OpenLayers

I have an OpenLayers map using OSM as the baselayer with several layers coming from MapServer via WMS. The OL map is in EPSG:3857 and my mapfile (and shapefiles) are in EPSG:4326. In my mapfile I ...
2
votes
1answer
333 views

python gdal_polygonize error

I am trying to use gdal_polygonize to create a polygon from a binary raster. My code is: os.system('gdal_polygonize.py ' + filename + ' -f ESRI Shapefile ' + shapefile) where filename is a string ...
1
vote
2answers
161 views

arcpy.sys versus sys

I just noticed that in the arcpy module (Esri) there's a sys sub-module. Does anyone know what the difference is in using one or the other? I've been looking around and can't find anyone who uses ...
3
votes
2answers
500 views

ArcGIS JS - Missing “style” when printing dynamic layer

Im having an issue trying to get the url of the map being printed with a dynamic layer. WIth just tiled services and basemap it prints just fine. // USED FOR PRINTING OF MAPS function ...
2
votes
0answers
235 views

GRASS v.overlay.or Error when trying to split a polygon with a line

I am using the Grass plugin in QGIS for Windows (1.8.0). I am trying to split a polygon with a line feature. I am using the v.overlay.or function within the QGIS Grass plugin. I have the line layer ...
1
vote
1answer
300 views

How best to share maps created in MapInfo Online

Does anyone know of a good free or low cost option for sharing Maps produced in mapinfo online? I would want up to 5 users to access the maps with a password and be able to turn layers / points on ...
5
votes
4answers
1k views

How do I fill in serial letters (AA, AB,AC…,BA,BB,BC…ZZ) to a shape?

(I am using ArcGIS software, ArcMap...) MY PROBLEM I have a shape file containing points. The shape file contains 3 columns named FID, Shape* and Label. In the column I want to fill in AA, AB, ...
1
vote
0answers
64 views

Generating “weighted convex hull”

sadly I don't have any keyword that reflects what I'm looking for: I have a vector layer consisting of points, which have an integer attribute ("signal quality" here), that I want to plot as a convex ...
2
votes
2answers
3k views

Dividing polygon with another polygon? [closed]

I am working in ArcMap 10. I am trying to divide a polygon with another polygon. I don´t want to clip any part away, but only to divide the polygon? The polygons are stored in two different layers. ...
2
votes
2answers
515 views

Quick way to make a convex hull

I am using Python and ArcGIS 10.1. Is there a function or very quick way to extract points out of point feature class into an array without looping through a search cursor (as I have millions of ...
2
votes
1answer
385 views

Is is possible to import PostGIS functions from another database?

Seeing that I can't find the question asked here before, I have a feeling that I'm doing something wrong! However, here is my problem: I have one PostGIS database with 525 functions, and one with ...
43
votes
7answers
20k views

Whether to use File Geodatabase (*.gdb), Personal Geodatabase (*.mdb) or shapefiles?

I am a bit confused on the topic of geodatabases. Previously, I have used geodatabases as an easy way to keep all files together rather than having dozens of shapefiles all over the place. And it's ...
2
votes
1answer
1k views

How to fetch polygons from PostGIS into a PHP array?

Currently I fetch polygons from a database table using ST_AsText(). The results are in text format, like this: POLYGON((84 104,212 48,321 122,243 179,275 238,131 240,84 104)) I am not quite sure if ...
2
votes
0answers
60 views

“Map 1” vs “Map 0”

When I compose a map to print, and get everything all set; then close it for some reason; then reopen it--the scale bar appears messed up. I then go to the Scale Bar settings, and find that under ...
0
votes
0answers
282 views

catchment delineation

I am trying to use qgis to delineate between three sub-sub-catchments. I have contour shape file of 20 meter height. Sub-catchment is about 12 square kilometers area but consist of three ...
2
votes
1answer
1k views

Why does new feature created not snap to existing feature vertices in ArcGIS 10?

I have created a polygon feature earlier then I wanted to create points on the polygon vertices but it won't snap on top of the vertex. I wanted to know the reason why it does not snap and is there ...
2
votes
1answer
181 views

OGR UnionCascaded gives strange lines (flat polygons)

I'm using OGR to perform a union using UnionCascaded. All my polygons have been created by GDAL polygonize which ensures that all polygons follow pixel edges and should therefore align nicely. But I ...
3
votes
1answer
2k views

ArcMap - Opening the attribute table gives 'Could not load data from the data source' error

ArcMap wont display the attribute table of a dataset. I get an error 'Could not load data from the data source' and it says 'An invalid SQL statement was used'. It then opens a table with the correct ...
2
votes
1answer
111 views

xy tolerance from c#.net

For some graph work, I need the value of X,y tolerance. I found ISpatialReferenceTolerance.XYTolerance Property. But I couldn't find any option that how can I get ISpatialReferenceTolerance interface ...
5
votes
0answers
303 views

GPS data based track/trip calculation algorithm available?

Currently I'm receiving position data of moving assets every 90 or 120 seconds (depending on the asset). What I'd like to achieve now is to detect standstill and movement phases (tracks/trips) on the ...
0
votes
1answer
603 views

Running a script with QgsFeature from within the console

I am trying to run a script from the QGis Python console (similar to: http://spatialgalaxy.net/2012/01/27/qgis-running-scripts-in-the-python-console/) The line feat=QgsFeature() operates fine from ...
1
vote
2answers
467 views

How to write a file in an Server Object Extension (SOE)

I would like to create a file with an ArcGIS Server Object Extension and return the url. Is this possible? Where would I write the file? I'm working with .Net, IIS, and AGS 10.1.
1
vote
1answer
371 views

ArcGIS 10.1 SDE database schema other than SDE or DBO

Just wondering if it's possible to apply a schema other than SDE or DBO to SDE feature or raster tables stored in an enterprise database on MS SQL Server 2008 R2. I have got a new customise schema ...
1
vote
0answers
35 views

System Requirements for 3d GIS & 3d Modelling [duplicate]

I'm looking for system (hardwares) required for view, edit & analyse 3d GIS & modelling data. And what is the decent monitor size should be ? single/Dual screens ? Modern systems comes with ...
1
vote
0answers
121 views

View in ArcGIS JavaScript (Rest/Services) and API's not working with cache tile services

In AGS 10.0 I shared the C:/arcgisserver folder, and now my apps and rest endpoints will not display any of my cached services. I can view them fine in ArcCatalog however. I can build new caches but ...
0
votes
1answer
325 views

creating map not working

am following this tuto to create a map on web with geoserver, GeoEXT, EXTJs, and openlayers here's the linki downloaded ext 4.2.0, openlayers 2.12 and GeoEXT 1.1, when i try to show the map : ...
1
vote
0answers
249 views

ArcHydro: Flow Accumulation 863988034 Cells

I've been using Arc Hydro for the last 7 years to determine catchment characteristics. I'm currently setting up a new model to determine structure locations along a proposed railway alignment. This is ...
1
vote
1answer
6k views

Updating position for a list of markers

I am working with Google Maps. Specifically, I am working with http://hpneo.github.io/gmaps for a gps tracker simulation, here I need to update the position on each point. At the gmaps script, ...
2
votes
2answers
2k views

Where to download USGS DOQQ boundaries?

I downloaded a shapefile of USGS DOQQ boundaries a few years ago and cannot seem to find one now. The attached image shows an example of the shapefile I'm looking for (green polygons showing the ...
2
votes
1answer
724 views

ESRI ArcGIS JSAPI 3.4 Defect when setting LODS on a map. How to fix?

I tend to get better help here then the ESRI forum so... Using http://developers.arcgis.com/en/javascript/sandbox/sandbox.html I was able to create a simple application which demonstrates that if you ...
2
votes
2answers
840 views

Webservices for GPS (Upload on DB and display it)

i'm doing an application where my users would be able to upload their gps tracks. My idea is to put their tracks on mysql database and display it on appropriate map. Question:How can i do that? My ...
5
votes
2answers
1k views

Sort a feature table by geographic location

Here's in interesting challenge: I need to embed a table in a map layout so that the records in the table are sorted according to their geographic position on the ground. For example, in a ...
1
vote
1answer
201 views

How do you update the maxFeatures setting of a WFS layer in OpenLayers

I have a WFS layer which a protocol in the definition. The protocol states that the maxFeatures returned should be 1 to avoid downloading a large amount of data. I can update the value for ...
3
votes
0answers
395 views

Geoserver WMST Date Format

There is table in SLQ-Server 2008 R2. In this table i have date column with date format like this 2006-09-08 14:39:41.000. Now i make View from this table on Geoserver side but do nothing wiht date ...
3
votes
3answers
448 views

Get IWorkSpace from IGxObject

I am creating a tool that opens an IGxDialog which it's objects are filtered to show only workspaces, my question is how can I convert IGxObject to IWorkSpace or get the selected workspace without ...
3
votes
2answers
2k views

arcpy Problem with updateRow() when trying to update fields with UpdateCursor

I have a list of values which I am trying to add to an existing shapefile. The field where the values need to be inserted has been added via arcpy.AddField_management and thus the values of the rows ...
0
votes
2answers
364 views

How to rotate (svg) symbols in QGIS map composer to match map rotation?

Because of my thesis layout requirements, I have to rotate 270° some of my maps in composer. There are (many) svg smbols (icons), and they are rotated as well. I would like to (non-)rotate them in ...
3
votes
2answers
355 views

Hillshade for 30m NED at continental scale

I'm new to terrain analysis. I have a 30m NED DEM (.tif) for the conterminous US. I would like to generate a nice looking hillshade for the US, but it looks bad - as in pixelated and rough (See ...
1
vote
0answers
276 views

Want a transformation box after a user draws a polygon

I have built an application which allows users to draw a polygon inside another polygon. The two polygons are in different layers for some application specific reasons. After the user draws a polygon, ...
2
votes
0answers
120 views

Optimize ArcServer Service Drawing Speed

I am managing an ArcGIS service that is used by Geocortex Essentials as a web map app for some users. The feedback I have got so far is that it doesn't refresh fast enough. I'm looking for some ...
2
votes
0answers
239 views

Is it possible to integrate the mapping capabilities of QGIS with Stata?

I was wondering of the possibility of integrating the mapping capabilities of Q-GIS with Stata, by using the programming aspect of Stata as opposed to using R or python. Is this possible?
1
vote
1answer
1k views

how can use a offline basemap?

My app needs to work in offline way because we have problems with signal internet 3G and can't downloading images from our servers. Somebody know how can do it ? Now I'm using API Arcgis JS 3.1 and ...

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