2
votes
2answers
1k views

Querying raster in ArcGIS Desktop?

I am using ArcGIS 10 (includes spatial and geostatistical analyst). I have a raster (GRID) with a value range of -167 to 18. I would like to query the raster and create a new one with only the ...
1
vote
1answer
968 views

Converting MapInfo (MapBasic) Script into ArcPy?

I have a MapBasic script that divides an irregular polygon into smaller polygons of 1 hectare each. Would anyone help me to convert the following into an ArcPy script. ' This program requires an ...
5
votes
1answer
907 views

Converting labels to points using ArcGIS Desktop?

is there a way to convert labels, created by Maplex labeling engine to point features? In MapInfo and CAD software, it's possible to convert labels to points. Those point features include a text and ...
3
votes
1answer
31 views

GeoServer and PostgreSQL JSON column

I have a database table with a dynamic schema implemented via a JSON column named "properties". Currently GeoServer doesn't recognize my JSON column. Is there some way to make Geoserver recognize ...
2
votes
1answer
258 views

Advice needed on JavaFX Map Rendering

A few months ago I inherited an old (10+ years) Java Desktop application that used maps and simple icons to represent point data to various users. The application was writted in Swing and used Esri ...
0
votes
1answer
17 views

GeoTools modify a FeatureType to change its name

I have a featureCollection and I want to save it into PostGIS dataStore. So I'm going to create a database table by geotools. I want to name my table "ali". But I can't rename the schema! DataStore ...
2
votes
2answers
162 views

Example of how to display a Cartodb layer (using the layergroupid) after initializing a named map?

I have successfully created a named map. I can initialize the map (as seen here), and I do get the correct response. Now, to my problem. How do I show this layer (using the layergroupid I got as a ...
0
votes
1answer
65 views

Sorting points based on Northing and Easting

I have around 1320 point/centroid features in a shapefile for my research plots. Each point/centroid has X and Y coordinate associated with them which were calculated using Field Calculator > Geometry ...
2
votes
1answer
172 views

How do I export circles from ArcObjects to WKB?

I have a small circle in SDE which I'm trying to extract through ArcObjects into well-known-binary (for later import into other systems). Using the IWkb interface I can obtain the WKB, but it comes ...
1
vote
1answer
632 views

Implementing Custom Selection Tool (Adding to current selection) with ArcObjects?

I am trying to implement a custom selection tool in ArcMap 9.3.1 that is functionally similar to the default ArcMap selection tool with "Adding to current selection" enabled. ie. the user can click to ...
0
votes
0answers
4 views

Apply mask on ERDAS LPS

I am currently working on my final year dissertation and most of it is done on LPS. I am using Cartosat-1 and ALOS PRISM imagery to create DTMs for an area that is located on a peninsula. The problem ...
4
votes
2answers
1k views

How to programmatically work with featureclasses from multiple geodatabases?

I have produced a Python script which creates multiple buffers of specific (listed) feature classes within a geodatabase. This is achieved by running each feature class through a for loop. I would ...
1
vote
1answer
654 views

Appending from file geodatabase to ArcSDE fails using ArcPy?

I'm trying to append a feature class from a file geodatabase to an Arcsde featureclass using this line of code: arcpy.Append_management("parcel_copy", sde_path+"parcel" ,"NO_TEST") This line works ...
0
votes
1answer
18 views

How to get coordinates in a area [on hold]

Is there a database i can download to to get all latitudes and longitude of any town in the world? for example (N17.3526, W54.5635),(N17.35526, W54.5635),(N17.3526, W54.5635) and (N17.83526, ...
0
votes
1answer
509 views

How to make coordinates match between Google Maps and matplotlib.basemap

I'm trying to plot some data with matplotlib and basemap, but I have trouble making the coordinates match between Google Maps and basemap. For example, I click at a distinctive feature on the map in ...
2
votes
3answers
221 views

Resolving “timestamp invalid” during ArcGIS Pro install?

Today, I downloaded and installed ESRI ArcGIS 10.3 For Desktop Advanced and then ArcGIS Pro 1.0. I assigned licenses, including a license for ArcGIS Pro, to account. I was able to authorize 10.3 and ...
9
votes
7answers
9k views

How to reorder fields (permanently) in a file geodatabase

Using ArcGIS 10.0, is it possible to reorder the fields in a file geodatabase, and have the order persisted to the database? We considered exporting to XML, and writing a parser to change the field ...
8
votes
3answers
4k views

How to re-order fields permanently using ArcGIS Make Query Table tool?

In the Answer to somebody else's question it was stated that the Make Query Table tool could be used to re-order fields in tables and feature classes permanently. However, when I open the dialog for ...
0
votes
1answer
166 views

Default error 400 GP clip and ship

I am running this script . I get a 400 error message. The message is the following: {"error":{"code":400,"message":"Unable to complete operation.","details":["Server environment property not found: ...
0
votes
2answers
175 views

geotiff conversion to coordinate system with gdal

I would like to get the coordinates X Y Z from a geotiff file. I am using the gdal translate for the conversion. Which output format is the more adequate for containing a 3 numpay array X Y Z ?
0
votes
2answers
475 views

Measure average distance between two lines with common endpoints

I have two shapefiles, each with a set of lines generated from start and end points. One shapefile has the straight lines generated from the XY To Line tool, while the other has lines generated from a ...
0
votes
1answer
238 views

Displaying a Selected Location on ArcGIS Map View

I am New to ArcGIS. I am Developing an iOS application Using ArcGIS iOS SDK. In that application i want to implement general search of an address like if I type a key word in my search field i want to ...
0
votes
1answer
320 views

Edit and query buttons disabled in geoexplorer

I have an issue: edit and query buttons are disabled in geoexplorer. This app use to be OK and then went wrong without doing anything on my server. How can I fix this ? Thanks
2
votes
1answer
173 views

CQL filter causing slowness in Java \ Geoserver app

I have a Java application that includes an OpenLayers map with WMS tiles pulled from Geoserver. Geoserver and the Java app are looking at the same MySQL database. In the Java application I have a ...
0
votes
1answer
560 views

Base station for RTK-GPS using RTKLib

First of all I would like to say that I am new to gis-se and as such I will try to comply as much as I can to your policy. That said I am actually doing a little project which as the title says ...
0
votes
2answers
59 views

How is a database related to a .mxd file?

What exactly is an mxd file, and how is it related to a database? Can a single database have multiple mxd files?
0
votes
1answer
823 views

OSRM API - nearest point fed into routing

I am using the OSRM API to (1) determine the nearest point on a road segment from a give random point with http://server:5000/nearest?loc=_lat_,_lon_ The returned coordinates are used then as an ...
23
votes
7answers
24k views

Removing small spaces (slivers) between polygons?

I have a set of polygons representing administrative districts. The districts were digitized by hand, and there are small spaces (slivers) between polygons where the polygons should be touching. How ...
0
votes
0answers
24 views

Displaying heatmap with large number of dense points of interest in QGIS?

I am currently trying to make heatmaps of bird observations in an area. I have had a lot of success making the actual heatmaps for most birds, except the ones that are extremely abundant. I use the ...
1
vote
1answer
37 views

Can't get my QGIS external map to display on Ubuntu trusty: QObject::connect: Cannot connect (null) error

I've been following along the examples from the book "Building Mapping Applications with QGIS and for the life of me I can't figure out why my shape files aren't loading and displaying in the app ...
2
votes
1answer
199 views

Using Odyssey.js with Cartodb.js

I'm looking to use Odyssey to create an interactive introduction to various data layers on an interactive web map I've created using CartoDB.js. I'd like to have different data layers turned on / off ...
0
votes
0answers
8 views

Creating Service Areas with a Certain Constraint (Network Analyst)

I'm looking to create service areas around a number of facilities each with a set population max capacity. I have centroids from census data that are snapped to the network representing 'demand.' Is ...
2
votes
1answer
397 views

Database connection (SDE) failed after database was renamed

I created an enterprise geodatabase in SQL Server 2008 R2 with ArcCatalog (10.2). It was connected via an sde file in ArcCatalog then. Then I had to rename the database from SQL Server Management ...
1
vote
1answer
271 views

How can I project geojson borders on the google earth tiles in leaflet?

I started working with leaflet and google earth tiles. I want to add borders on my map so I tried to use the countries geoJson Data as a layer on the map. The problem is that the json borders ...
0
votes
1answer
112 views

GeoJson and D3.js multipolygon

I have this geometric shape file, so no map of a city. I store the two Shapefiles in a GIS database as a geometric form. Now, I want to visualize the geojson data. I created the GeoJson data ...
3
votes
1answer
276 views

Applying pixel reliability mask to time series MOD13Q1

I am working with a 23-band GEOTiff in which each band is a 16-day MVC MODIS NDVI image. The MODIS .hdfs include a "pixel reliability" image with the following values: [-1]: Fill/No Data-Not ...
2
votes
1answer
48 views

How to load a style from POSTGIS in PyQt

The thing is that I have four styles I have created in QGIS through the GUI and saved into a postgresql database. I can see them in the table named layer_styles I have seen similar questions asking ...
0
votes
1answer
338 views

How to edit feature in sqlserver geodatabase

I am using arcmap 10.2.1 and arcobject 10.2.1,I just want to conncet to a geodatabase and edit,add,delete a feature from a feature class using arcobject,I tried to connect to database and it works ...
1
vote
1answer
570 views

refresh the map Ol3 (Openlayers3)

Hello I'm using ol3 in a mobile hybrid application using sencha touch2 , so I start by drawing a polygon inside a map , after validating this drawing I redirect the user to an other form in order ...
4
votes
1answer
65 views

Find Intersection of Two Circle given Lat/Lon and radius

I am attempting to calculate the intersection of two circle on the Earth with a given latitude, longitude and radius. I started with this post. These circle will never be more than 100 km in diameter ...
0
votes
1answer
196 views

How can you create a KML that is synced to CartoDB data and styles?

the one part of cartodb i am struggling with is connecting my table or visualization to google earth. I see that you can export an un-styled kmz from a table. Has anyone figured out a way to keep a ...
2
votes
1answer
19 views

OTF reprojection and reprojecting layer not working in QGIS

more troubles in QGIS. I georeferenced this raster in Corrego Alegre UTM23S and loaded up, so project CRS automatically changed to that. So far so good. I need it to be however in WGS84 UTM 23S. None ...
3
votes
2answers
60 views

How to create a dashed polygon border in C++?

In my maps I have a symbol, his type is polygon, I want to change the line style of the border, actually is solid , I had to put it in dash Is there a simple way to change it ? i think to the ...
5
votes
1answer
331 views

demers cartogram

How do you make a demers cartogram from a shapefile/topojson/geojson? I have tried scapetoad and indiemapper and i can not duplicate what you find on the links below. ...
4
votes
1answer
46 views

How do I count the number of vector lines that pass though a given raster cell?

I am working on a project (currently in GRASS7 though I'm not against exporting to Arc or R or other software if necessary) where I am generating thousands of shortest cost paths (using the r.walk and ...
0
votes
1answer
21 views

Controlling map details shown using Leaflet and MapBox

I am building a map based chart using Leaflet (with MapBox). I would like to know if there is a way to control the level of details displayed on the map when zooming in. For example I do not want to ...
0
votes
1answer
20 views

PostGIS - Raster - update all values - what is prefered

I have added the Raster support to my PostGIS database program. Now, I need to update all values in the raster (one band only) several times a day. I have found and tested these two options Use ...
3
votes
2answers
440 views

WMS layers don't draw in QGIS or ArcMap but do in OpenLayers

WMS Map was published by myself in AutoDesk Infrastructure Map Server 2013. I can connect and load detials (properties / metadata) in QGIS Browser, ArcCatelog. I can load the wms into QGIS desktop and ...
0
votes
2answers
32 views

PostGIS - store 2D elevation data

I am new to PostGIS. How can I store 2D elevation data? I have uniform raster and for every [x,y], height is set. I want to be able to use this in my queries (something like SELECT height FROM data ...
3
votes
1answer
249 views

Get Multiple Shortest Path using PgRouting in One Query

I am trying to get multiple shortest path using A* Algorithm available in PgRouting. I referred Solution given by UnderDark ( Link of the Stakoverflow Post ) . But it is not giving me proper Output. ...

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