0
votes
0answers
26 views

View tiled shapefiles in QGIS 2.0 or greater as one layer?

I have tiled vector data in shapefile format. I need to view them in QGIs 2.0 or greater. I was not able to find any usable solution (merging is not the way). I have tile indexes, which I use for ...
1
vote
0answers
26 views

How to split one modelbuilder process in several GUI windows?

I am working with ArcGis 10.2. I would like to know how I can have the different steps of a modelbuilder's process displayed in successive windows once the previous main step is done? A bit like in a ...
0
votes
0answers
63 views

how to access vector layer from localhost:8085

My environment is as below. Server A contained the web application, I used win7,tomcat 7.0,eclipse Kepler Service Release 1 Server B contained geoserver and my sph data,the geoserver2.4.4 works ...
1
vote
2answers
247 views

Dynamically Reload OpenLayers Marker Layer based on user input

Not really sure how to ask this, so I'll outline the scenario. We have a database with locations in it. There are various types of cars at each location and each car has a problem of varying ...
1
vote
0answers
12 views

ArcMap - WMS service layers not drawing

I'm using ArcObjects .NET to load WMS 1.3.0 service layers from our ArcGIS server into ArcMap 10.2.2. The process of connecting to the server and adding layers works fine, however none of the layers ...
0
votes
1answer
16 views

Using Labels from Maplex engine inside ArcGIS Explorer?

I'm trying to display data in the upper left and upper right corners of this parcel data. I can get it to work inside ArcMap with the Maplex engine, but when I save a layer file and open it in arc ...
3
votes
3answers
86 views

is there a mapcache 1.2.1 (currently last) binary for windows?

i use mapserver 6.4.1 installed with osgeo4w. i cannot find equivalent mapcache (1.2.1) binary for windows and i do not know how to compile it. it supposed to be part of the mapserver suite. can ...
4
votes
3answers
94 views

How to compute the outline of multiple tracks?

I have multiple gps tracks with depth data gathered from the lake. The tracks are overlapping/intersecting. I want to get an outline polygon. I have a multi-line shp. I've tried to diffuse it in qgis ...
1
vote
1answer
22 views

Why is the raster information No Data value set to -1.#IND?

I have a couple rasters that have been atmospherically corrected using the "landsat.toar" tool in Grass. When these rasters are output and I open up their properties in ArcCatalog, the NoData Value ...
0
votes
1answer
189 views

How to zoom to the extent of a query result

Does anyone know how to change the extent on the map in function of a query? in legende I have no problem using the function showResults (featureSet) {... but, can not get any display in AMD. Here ...
23
votes
10answers
36k views

How to convert MapInfo TAB and/or MIF to SHP using free tools or ArcGIS for Desktop core product?

How do I convert MapInfo TAB and/or MIF files to SHP using only free tools or ArcGIS itself? I've not had much luck trying to do this in the past and I don't want to have to shell out for the ArcGIS ...
2
votes
1answer
115 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
124 views

Renderd outputs “failed to initialize projection 4326”

I'm setting up a tile server using the guide provided here. I have everything set up. proj4 is installed in version 4.8.0. The espg file is existant, I ran an xmllint over my xml style file without ...
0
votes
0answers
14 views

gdal2tiles.py generating dark tiles from .img file

Dark tiles are generated when I run gdal2tiles.py on a .IMG file(a scanned and georeferenced topographical map). This question advised to apply a color relief map using gdaldem before generating ...
0
votes
0answers
26 views

how to remove a point or polygon in shapely python

I want to place minimum number of sensors(circles) to cover a maximum area(polygon). I am using "Shapely",python module. I want to know if a sensor i.e a point buffer inside the range of the other ...
2
votes
3answers
781 views

OpenLayers.Format.GeoJSON throws an exception “SyntaxError: JSON.parse: unexpected character” for valid JSON

In my GeoExt client, I have the following line that retrieves JSON data from a web service into a FeatureStore: var store = new GeoExt.data.FeatureStore({ layer: route_layer, fields: ...
2
votes
1answer
27 views

QGIS: Expression WHEN property1 = 'FOO' THEN property2 = 'BAR'

Our Foundation is adding additional properties to points. If property1 = FOO , then add property2 = BAR WHEN property1 = 'FOO' THEN property2 = 'BAR' END When I run this the ...
1
vote
1answer
103 views

Geometry has incorrect latitude-longitudes

SELECT ST_SRID(geom) AS s FROM zones GROUP BY s; returns a single record: 4326 SELECT Find_SRID('public', 'zones', 'geom'); returns 4326 SELECT AsText(geom) FROM zones returns geometry like: ...
0
votes
1answer
31 views

Executing tool comes back with an error arcpy.JoinField_management

I have this script snippet, written by Aaron. import arcpy, os #set workspace arcpy.env.workspace = "C:\\Users\\Documents\\Wetland" ws = arcpy.env.workspace #create a list of features fcl = ...
1
vote
0answers
27 views

Converting Shapefile Elevation field to Height Field

HAve been trying to update the elevation field in my shape file (vector file *.shp) into a height field. Have tried to rasterize the shapefile then deduct the height using Raster Calculator with a ...
2
votes
1answer
1k views

Layer visibility using maxscale minscale not working

I'm using Openlayer and Geoserver. I have a series of layers that have a scale parameter like: 1:50000-1:25000 where 50000 is the max scale while 25000 is the minscale. I have a map like in this ...
0
votes
0answers
16 views

Why do converting GPS points to polygon using ArcObjects differ from manual converting?

I am working on a project where I have a .gpx file, convert it to a polygon and save it in a geodatabase. I wrote the code and it works fine. But when I rewrote the code in ArcMap using the gpx to ...
1
vote
0answers
15 views

In ArcMap, when using Add Surface Information, why are all avg_slope values positive?

I've got a polyline shapefile and a LIDAR elevation dataset. I've successfully used Add Surface Information (from 3D Analyst) to calculate the average slope (avg_slope) of each line segment. The ...
2
votes
2answers
244 views

How do I snip/split polylines at chainages?

What is the best way to snip/split lines at chainages? E.g I have a csv with the uniq ID of the polyline item and a start and end chainage. I want to extract the lines between the chainages stated. ...
2
votes
0answers
25 views

Control geoprocessing results related to default data values calculated for null inputs

I am looking for information on Default data values for the different data types in ArcGIS. We are running a series of Overlay Route Events (Linear Referencing) tool operations. If any of the values ...
0
votes
2answers
50 views

How to toggle ArcGIS webmap layers using ArcGIS Javascript API

I've created a webmap using ArcGIS Online that I want to render in a web app using the ArcGIS for Javascript API. In ArcGIS Online, I've saved the webmap with all of the layers off (visibility: ...
0
votes
0answers
3 views

Setting the extent in cartodb to the sublayer bounds

How do you set the extent of a sublayer to fit all of the points? I've been trying to use this bounds function, but it doesn't work: sql.getBounds('select * from table').done(function(bounds) { ...
1
vote
1answer
25 views

Postgis create polygon extent/convex hull from spatial table

Please help, I have a polygon layer representing building footprints. I want to create new view in postgis that will contain rectangle representing bounding box and also another view that will have ...
0
votes
0answers
36 views

How to Save text file in a specific folder in python (PyQt) [closed]

from PyQt4 import QtCore, QtGui, Qt try: _fromUtf8 = QtCore.QString.fromUtf8 except AttributeError: def _fromUtf8(s): return s try: _encoding = QtGui.QApplication.UnicodeUTF8 ...
1
vote
0answers
13 views

How to read each pixel of each band of a multiband GeoTiff with GeoTools Java

I am new to working with Raster in GeoTools-very experienced in java. My goal is to read in a geotiff that has multiple bands, then create a HashMap for each pixel, where the key is simply the lat/lon ...
5
votes
1answer
298 views

What does vector tiled map mean?

I'm working on an application that renders geoJSON into OpenLayers map. The idea is about not having PNG images downloaded from external services (OSM or Bing) but having geo information in geoJSON ...
1
vote
1answer
100 views

QGIS Print Composer with ESPG:32615

I have imported a PostGIS layer as the only object into my project and set the project and layer CRS to EPSG:32615 (UTM Zone 15N). My layer appears just fine in the work area. When I try to create a ...
0
votes
1answer
46 views

Using Union on multiple shapefiles to output single result

Using QGIS 2.2 and Python, I would like to use the Union algorithm on multiple shapefiles (contained in a folder TEST) which would then produce single shapefile containing all the data. Currently ...
0
votes
0answers
12 views

v.clean in QGIS Python console

I have tried to use v.clean and v.clean.advanced (by GRASS GIS) within a script in QGIS, and was not able. I followed instructions here:, but was not able to do so. I got message: "No module named ...
1
vote
1answer
18 views

Raster projection fails without error

I have a raster in one coordinate system (SC State Plane NAD83 NSRS2007) and need to project it to another (SC State Plane NAD83 HARN). When I run Project Raster, it fails silently: the dialog box ...
0
votes
0answers
18 views

Copy ESRI Map by Value (not Reference) in JavaScript

Any way that you know of in JavaScript to copy an ESRI map object by value, not by reference? I know that I can do this: var foo = new esri.Map("foo"); var bar = foo; foo.id; //"foo" bar.id; //"foo" ...
0
votes
2answers
16 views

Making fields added to attribute table appear without closing/re-opening? [duplicate]

I'm using ArcPy and am experiencing some troubles. I added some fields to an existing arc (coverage) but then do not appearing in attribute table. Only when i close arcgis and reopen the fields appear ...
0
votes
1answer
25 views

Symbolizing Raster using single Unique Value?

I'm dealing with a raster in GRID format. Currently it is symbolized in Unique Values and contains 5 classes. I'm trying to consolidate these to one class. Is there a way to do this and keep a single ...
1
vote
2answers
37 views

Error trapping ModelBuilder?

If you are writing a ModelBuilder model with a lot of geospatial data in it, and if one of the datasets fails or doesn't work, does the model stop and thus not produce any output?
0
votes
1answer
102 views

How to solve sqlite_rtree_geometry_callback error?

I have just installed qgis 1.8 and it show error message the procedure entry point sqlite3_rtree_geometry_callback could not be located in the dynamic link library sqlite3.dll How to fix ...
0
votes
1answer
28 views

Creating new layers using ArcPy to define Definition Query for each field value?

I am trying to set multiple definition queries for one layer based on one field using python. ie. I have a City layer with a field that holds the city name. I want a copy of the layer in an MXD ...
0
votes
0answers
14 views

Get Zoom Level based from the Map Scale

I don't know if this is possible to do but I wonder if it is possible to get the current zoom level in an Openlayers.Map just from the Scale and without using getZoom() function.
2
votes
1answer
12 views

Preserving origin IDs when creating Origin-Destination (OD) Cost Matrix?

I have created an Origin-Destination cost matrix showing the distance in feet between several thousand home addresses (origins) and about 24 rental vehicles (destinations) at various points throughout ...
0
votes
0answers
29 views

Contents of Downloadable Data from ESRI website?

I'm looking for the simple grey basemap to use in a map I'm working on, but want to download it. It's one of the options with their dynamic data. ESRI has no real order on their download page. ...
0
votes
0answers
22 views

Offline Maps+ Offline Routing & voice Navigation in Different Device platforms [on hold]

Scenario I have worked with ARCGIS for iOS and now there is a requirement for Hybrid application with the following criteria The app can work completely offline On the Online time collect and store ...
0
votes
1answer
120 views

How to set the length of a line using openlayers

I'm trying edit a polygon by changing the length of some lines by code. Found this method to calculate based on the bearing. But I didn't find anything on how to calculate the bearing, before I start ...
1
vote
2answers
25 views

Projection for polygon intersection confined into one hemisphere?

I have polygons where each vertex is a (lon,lat) geographic coordinate. I want to find out if they intersect or contain each other. The polygons are guaranteed to never exceed a hemisphere (so they'll ...
0
votes
1answer
15 views

help adding WFS from Geoserver

I know that this topic has been discussed several times before, but I cannot seem to figure out what is going wrong with my script, and why it wont display the layers from geoserver. I have gone ...
0
votes
1answer
56 views

Reading Features From A Google Fusion Tables Table - OpenLayers

Why doesn't this example work? http://dev.openlayers.org/releases/OpenLayers-2.12/examples/fusiontables.html I would like to do something similar but i can not find any other example how to display ...
1
vote
1answer
255 views

How to read Binary overlay (*.ovl files) data programmatically

Currenlty, Im dealing with binary Overlay files (*.ovl files) and I needed to read them byte by byte and display the content in a possible way. I came to know that there can be ASCII and Binary ...

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