0
votes
0answers
2 views

How to add Attributes to a polygon with arcpy

I have a question about arcpy. I want to create a polygon FeatureClass with attributes. The code below ist just a test-code that generates some polygons for speed testing. I want to add some ...
0
votes
0answers
3 views

How to inverse Y axis

I have a SQLlite database containig cached tiles with X,Y,Z fields and want to use it in MapCache. my Y field appearing upside down as google but i want to inverse it like this: ...
3
votes
1answer
297 views

Symbology for Open Street Map [OSM] Data in MapInfo [tab] format

I have shapefiles for the different SOM layers which I have translated into TABs but I am now trying to symbolise them in a similar style to OSM online. Is there a way to easily apply the OSM ...
0
votes
0answers
4 views

Help getting a Mathematical Representation within a Layer's Attribute Table

I'v been playing around with Vector Coding and was wondering if there was any Plugins out there that might let me represent Vectors within a layer as it's Mathematic attributes in the Layer's ...
0
votes
0answers
3 views

Representing a line feature layer with Markersymbols in ArcGIS JS API

I am setting a scale dependant renderer for a Featurelayer (geometry type =line) so that in smaller scale it can represented as a marker symbols and in higher scale with a Line symbols. When I tried ...
5
votes
3answers
234 views

How do I retrieve a feature outside of ArcSDE into an IFeature in ArcObjects?

I would like to be able to use Entity Framework with a repository pattern for non-spatial querying of my SDE Sql Server database. I was hoping to reverse code-first engineer the database with the ...
0
votes
1answer
203 views

How to Represent large data using google map api in javascript

1) I am trying to represent data using bins as the data was too large to display each and every point simultaneously. but the problem with this also existing if the no of bins are getting larger ...
2
votes
1answer
242 views

Iterate Workspaces in Modelbuilder not executing all tools

I have a folder which contains a number of file gdbs. These gdbs all have the same structure i.e. a feature dataset FD_1 and several feature classes within the dataset (the two I am interested in are ...
2
votes
1answer
161 views

QGIS Python Labelling

i want to label a point layer with those values exceeding a set of variables attribute table as follows 'loc field'(text),'a'(float),'b'(float),'c'(float) variables as follows vara = 5, varb = 3, ...
0
votes
0answers
9 views

How to create a boundary vector of objects after using watershed_segmentation python

I used watershed segmentation in opencv-python to separate object. However, after segmentation I don't know how to create boundary polygons of objects (red rounded in the image attached). Thanks ...
4
votes
1answer
162 views

How can I exclude a field on a table from being copied?

I have a query "layer": >>> r = arcpy.MakeQueryLayer_management(r'C:\path\to\connection\file\connection.sde', 'TEST', 'SELECT T.ID AS OBJECTID, T.* FROM MY_TABLE T WHERE T.SOME_COLUMN = 1', ...
1
vote
1answer
172 views

Changing list-item css class using ng-class when mousing over Leaflet Map Markers

I've got a doozy of an ng-class problem. So I have an app with a map/markers on the right and a list-item menu on the left with info about the markers (like Yelp or Foursquare). With some of my ...
0
votes
1answer
34 views

limit spatial extent of arcpy cursor

How do I limit spatial extent of features that is returned by arcpy.da.SearchCursor? Can I use arcpy.env.extent? Or somehow come up with sql statement to specify spatial relationship? Or do I have ...
6
votes
1answer
189 views

Duplicate items in the legend

I have recently created a web map that uses the legend snippet from the ESRI JavaScript API website. https://developers.arcgis.com/en/jav...et_legend.html It works great for the most part, but has ...
-3
votes
0answers
45 views

GIS technical challanges [on hold]

what are the technical challenges faced by Geographical information system developers and users in going along with the advancement of hardware and software? ?
0
votes
1answer
198 views

QGIS 2.0 Howto copy raster data from a QgsRasterDataProvider to an OpenCV matrix

I'm hacking the half day arround a problem and that I' thought it was simple one. I'm using C++ (QtCreator) QGIS 2.0 und openCV2 on an 64 bit Workstation runnig Debian Wheezy. The Application I try to ...
7
votes
4answers
15k views

How to convert zip codes to latitude and longitude?

I have a data set that includes a list of zip codes. Is there a way in R to convert these zip codes to latitude and longitude coordinates?
10
votes
2answers
599 views

How to link dataframes in ArcGIS or QGIS?

The below image shows a layout in ArcGIS 10.1 with four dataframes. Each dataframe is of the same geographic area, although they are different images. For example, the top left image is a 1989 DOQ, ...
1
vote
0answers
20 views

Mirror two data frames [duplicate]

Is it possible to link two data frames so that they mirror each other? I know I can set the extent of one data frame to that of another data frame, but then you can only pan/zoom in the parent frame. ...
0
votes
1answer
528 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 ...
-2
votes
0answers
18 views

Recommend for GIS Professional using the ArcGIS Server as a beginner [on hold]

What is the recommend for the GIS Professional beginner to learn about ArcGIS server ? Can I install the ArcGIS server on my computer or laptop ? Are there any websites or books that can I learn about ...
1
vote
1answer
155 views

merge rasters with nodata cells

I want to create single attribute table base on multiple overlapping raster. Some raster do not overlap completely but have common areas. In that situation I need the value from other raster while ...
1
vote
2answers
983 views

How to get Native Bounding Box minx,miny,maxx,maxy using openlayers?

I am trying to develop GIS application using GEO SERVER and OPEN LAYERS i want to get bounds from geo server Native Bounding Box data of a layer instead of manually hard code var map; var key ...
16
votes
2answers
5k views

How to divide a polygon into specific sizes using ArcGIS?

I have several thousand irregularly shaped polygons in a shapefile. I want to be able to split each polygon into three areas, and to specify what the size of those areas (they sum to the previous ...
0
votes
1answer
137 views

Mapinfo Runtime is throwing error

when i am trying to call MapInfo from my PowerBuilder application, With map info pro(full) version "Open table" command is working fine but with mapinfo runtime(proviewer) "Open table" is crashing ...
3
votes
1answer
35 views

ArcGIS Javascript API on Wordpress 4.1

Edit: to keep things organized: This one IS working (WordPress 4.0.1): https://topografieindeklas.nl/topotrainer/provincies/ This one IS NOT working (WordPress 4.1): ...
0
votes
1answer
12 views

geometries with different SRIDs errors (even after setting SRID)

I've looked at existing questions about this (including this one) and followed the advice that was shared there. I'm still seeing this when I run some queries: RuntimeError: Postgis Plugin: PSQL ...
2
votes
4answers
905 views

Creating Latitude Grid from DEM

I am trying to evaluate an equation in the raster calculator and I need latitude values. I have the DEM for the region and am wondering if it is possible to create a latitude raster based on the DEM? ...
1
vote
1answer
65 views

QGIS OpenLayers Google Maps not zooming

Google Satellite will not zoom. Although the scale changes as I zoom, as the map is re-rendered, it zooms out to its maximum extent every time. This first happened in the latter part of November ...
1
vote
1answer
890 views

Merge multiple feature datasets while maintaining shapefiles for respective point, line, and polygon files nested ArcGIS

I've been doing some digging and a few days of playing around with my data in ArcInfo but I haven't been able to find a solution to merging datasets, which consist of many different point, line, and ...
1
vote
1answer
249 views

query / filter on attribute tables with external tables joined

i tried to do some queries on joiend table fields ... i've got/found some answers concerning version 1.8 - which result in "use select + export to create a combined dataset" so i just did some tests ...
1
vote
0answers
8 views

texture fill doesn't display in ArcScene

My texture fill doesn't display properly in ArcScene but it does in ArcMap. What am I doing wrong? Help! ArcMap: ArcScene: The same texture fill has been selected in both ArcMap and ArcScene. ...
0
votes
0answers
8 views

Overlay layer not displayed above Base layer for custom panels of Leaflet.groupedlayercontrol plugin

I created simple web map (example http://jsfiddle.net/q77wk17z/1/) with one Overlay and several Base layers using Leaflet.groupedlayercontrol plugin. Overlay and Base layers divide on separate layer ...
1
vote
2answers
1k views

How I can load tileLayer in Leaflet framework using local tiles?

I'm using file:///C:/path/tiles/{z}/{x}/{y}.png like url of tileLayer but it doesn't work and no error is shown. var layer = new L.tileLayer("file:///C:/OSM/tiles/{z}/{x}/{y}.png", { minZoom: ...
3
votes
1answer
74 views

Access ESRI .GDB in PyQGIS

I can access ESRI .GDB data using OSGeo's OGR. The following code gives feature class names embedded in .GDB... from osgeo import ogr driver = ogr.GetDriverByName("FileGDB") data = ...
0
votes
0answers
24 views

box2d spatial type

I'm storing data that defines a box. I created a column by adding it to my table as follows: SELECT addgeometrycolumn('grid', 'grid_geometry', 32650, 'GEOMETRY', 2); I then insert my data in using ...
0
votes
0answers
10 views

Geoserver init.d script

I am trying to write an script which will start the Geoserver service on system boot. A good manual is given here. I am on Ubuntu14.04 and using Geoserver-2.6.1. I have edited the following lines ...
0
votes
1answer
152 views

Where to upload layers in geoexplorer?

I just install opengeo suite (boundless) in my machine and try to explore it. I followed the instruction in user manual and I encountered a problem. In "Load your data with GeoExplorer" part, after ...
0
votes
0answers
4 views

OL3 Geoserver WFS error OWS:ExceptionReport

I am attempting to load and draw a WFS layer from geoserver. It is installed on a Windows 2012 Machine. I have enabled CORS and I am able to draw and query WMS layers without fail. Below is my syntax ...
1
vote
2answers
15 views

convert csv to kml or geojson, etc using ogr2ogr (use “latitude” and “longitude” attributes for coordinates)

I've just unsuccessfully tried to use ogr2ogr to convert CSV into KML like so: ogr2ogr -f "KML" output.kml input.csv The csv has "latitude" and "longitude" columns. The attributes are all loaded ...
3
votes
4answers
145 views

Remove duplicated items in Arc attribute table?

I have imported a set of points into ARCmap using a kml file created in google earth. During this process, a number of the points were duplicated (see below). Is there a way to get rid of the ...
4
votes
2answers
446 views

Load and display a layer using PYQGIS

I'm having a go at using pyqgis from within the QGIS python console to load a layer from SQL Server and display it. I feel like I'm part way there but I'm having a real issue getting the layer to ...
0
votes
0answers
15 views

How to deal with grid data?

I'm trying to create an application that will show (approximate) population in a given area (the area is quite simple, just a circle with user-supplied coordinates and radius). I've imported this ...
4
votes
2answers
54 views

Performing a 'far analysis' using ArcGIS for Desktop?

I would like to perform an analysis that is the inverse of Near_analysis for ArcGIS. Instead of my result being NEAR_DIST and NEAR_FID, I'd like each feature to have a FAR_DIST and FAR_FID populated ...
3
votes
3answers
273 views

How to calculate peaks in a DEM

How could I extract all peaks from a DEM (large mountainous area)? Peak means something like: a pixel which is sourrounded by other pixels with smaler elevation numbers in a area arround the ...
1
vote
1answer
731 views

WMS-C Google Maps v2 Android

I'm have added a map from a WMS-server in Google Maps v2 for Android using the code provided from this site: http://www.azavea.com/blogs/labs/2013/01/wms-on-android/ . The tiles are downloaded and ...
0
votes
0answers
7 views

Failed to find dependencies in Android Studio [on hold]

I follow this steps for using arcgis android api, but android studio didn't find anything for me. Another thing I'm connecting internet via proxy settings in my work office. I made proxy settings in ...
2
votes
2answers
25 views

Querying PostGIS and OSM to get only major stations and subway of UK?

I am working with Great Britain OSM data. I have read the classification of UK railway stations. There are a lot of classes in there such as subway entrance, halt, station and many others. I want to ...
1
vote
1answer
444 views

Converting Tab to Shp Using OGR2OGR with Python on linux

First i downloaded http://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/ogr2ogr.py and i am importing this. How can i get ogr2ogr to run in my script? nothing seems to be working and i not sure ...
0
votes
0answers
6 views

CartoCSS: labels along inside of polygon boundary

I'm using CartoCSS to render maps that include large polygons (like national parks). At higher zoom levels I want labels along the inside of the polygon boundaries, like in OpenStreetMap: I ...

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