0
votes
2answers
202 views

Connecting to Oracle database on a network in python

There is lots of information out there on how to do this, unfortunately, it all looks like Greek to me. I need a connection to a DB so I can add and use tables and featureclasses contained within ...
1
vote
1answer
41 views

MCC-LiDAR error: version minor out of range

I am trying to use MCC-LiDAR tool, but I can't get it to work. Example, when I type: C:\>mcc-lidar -s 1 -t 1 TMR_428_63.las output_filename.las I get the following error message: Internal ...
0
votes
1answer
9 views

Segmentation and Classification in ERDAS

I have segmented an image inn erdas and will want to use it in a classification exercise, how do i proceed? My image is a low resolution 30m alos.
1
vote
1answer
180 views

What KML features are suitable to display 3D atmospheric density data using Google Earth?

I wish to use Google Earth to visualise and explore 3D atmospheric density data. In my case it is ionospheric electron density, which is a niche area, but I can imagine this might have been done by ...
0
votes
1answer
46 views

How to extract GPS information from Garmin Cam 20 video files

I just got a Garmin Dash Cam 20 and recorded some videos with it, and also confirmed that Garmins own player can show the GPS information on a Map. I cant seem to find any technical information on ...
2
votes
0answers
49 views

ArcGIS Operation Dashboard

I am working on ArcGIS operation Dashboard. There is an widget on the top left corner “ Model Manager”. Here the Model manager will read the data from ForecastStage_MPT and ForecastTimePT database ...
2
votes
1answer
27 views

Create points symbology with more than one parameter

In QGIS i would like to create symbology for points layer where the symbology will take into account more than one parameter (currently two). i.e.: My points layer has street names and house numbers ...
1
vote
1answer
343 views

How to generate random points with minimum distances between points in multiple polygons

I am looking to create random points for a random stratified survey. There are three different categories being surveyed; for each, I have a single shapefile, each containing a number of polygons. I ...
1
vote
1answer
304 views

How to create pop-ups with graphs on point layers?

i have a postgresql database which is refreshed all 10 minutes and i need to create graphs in pop-up with the data. When i click, a pop-up (or annotation ?) appears. How can i make it possible ? ...
1
vote
1answer
17 views

How to choose a latitude-longitude among conflicting sources

Suppose you use various geocoding facilities (like Mapquest's API, Texas A&M's, etc.) to get a latitude-longitude pair for a given address in the United States. They give you differing answers, ...
0
votes
0answers
8 views

How to add a tool as a layer in table of contents ArcGIS desktop 10.3

I have a custom script tool in my toolbox in arcgis. I want to add it as a layer in table of contents so when the map is shared people can have access to it easily. for example as shown in figure When ...
1
vote
1answer
331 views

Segmentation - problem with mosaic tiles

Could you please tell me how to solve my problem with segmentation in ERDAS ? I am using ERDAS 2013 and the tool Image Segmentation to segment my multiband picture (with high resolution). ...
1
vote
1answer
540 views

Installing ArcGIS Desktop under Citrix? [on hold]

We are currently running ArcGIS 10 in our company through Citrix as well as installs on user workstation. We always seem to have niggling problems with Citrix hence local installs. For example: ...
2
votes
1answer
857 views

Converting shapefile in NAD27 from meters to decimal degrees to match xy data?

I have a shapefile of a boundary (polygon) that has the following projection: NAD_1927_UTM_Zone_11N Projection: Transverse_Mercator False_Easting: 500000.00000000 False_Northing: ...
4
votes
1answer
65 views

How can I create a QgsRubberBand with holes?

I tried to create a QgsRubberBand object with holes, but failed: rb = QgsRubberBand(iface.mapCanvas(),True) geom = QgsGeometry.fromWkt("POLYGON((0 0,4 0,4 3,0 3,0 0),(1 1,3 1,3 2,1 2,1 1))") ...
1
vote
0answers
14 views

How to refresh or update a vrt layer in Qgis?

When using the QGIS SpreadSheet Layers plugin, how do I update the SQLite query without closing and reopening QGIS? I cannot see a "watch file" equivalent. The plugin creates and uses a *.vrt file ...
2
votes
1answer
14 views

How to load stored composer from project file in standalone QGIS application?

I would like to load a .qgs file and get a composer from it, but I can't figure out how. Is there a way, or do I have to read the xml myself and individually set the appropriate values for the ...
0
votes
1answer
15 views

count band numbers from multiband raster image

My raster image has 10 bands (10 bands are 10 year), cell values of each one are 1, 2, 3. One is negative anomaly, 2 is no change area, 3 is positive anomaly. Now I want to find how many years out of ...
9
votes
5answers
3k views

How to modify single Pixel values in QGIS?

I would like to modify a raster (pixel values) in QGIS. The plugins "value tools" can easily provide me with the value of the pixel of my raster. However I don't know how to modify it. I have found ...
1
vote
1answer
210 views

Geoserver : FAIL context path doesn't start

I've been manipulating Geoserver for some time without any problem. Today,when I start Apache Tomcat , Geoserver doesn't start. I get this error message : " FAIL - Application at context path ...
1
vote
0answers
19 views

PostgreSQL 'forgot' PostGIS functionality

System details: PostgreSQL 9.3.5 64bit on Windows 7 Ultimate; PostGIS 2.1.3 Two days ago I re-organised my schema structure - effectively moving a series of tables of the form ...
-2
votes
0answers
11 views

Oracle Geocoding VS esri geocoding?

I know esri geocoding capabilities and features . recently i started to learn oracle 11g geocoding . I'm not expert in oracle 11g and not familiar with it's geocoding capabilities . I don't know the ...
1
vote
1answer
744 views

Unable to put data into infowindow

I've followed this tutorial to create a custom Google Map. I've included a few other elements such as linking it up to Wordpress and clustering the markers. It's all working great apart from the info ...
1
vote
0answers
161 views

Updating OSM map from within PhoneGap/Cordova App

I am trying to build a sat-nav application that allows the users to dynamically update the map that their application is using. So if the user updates the map with a new road then that road is ...
0
votes
0answers
8 views

Automatically generate metadata for feature class?

Is it possible to automatically generate metadata for a given feature class? I'm thinking a table containing the names of all the fields, descriptions and data types. This could be quite useful for ...
1
vote
1answer
19 views

Copy GeoTIFF metadata to TIFF using ArcPy

I have conducted some image manipulation on GeoTIFFs in a program and the resulting TIFFs now have no spatial information attached. Their x,y origins are (0,0). Since these processed images are of ...
1
vote
2answers
157 views

Query to find all lines connected to other

I have problem with one spatial (Oracle) query. Simplified overview of the problem is: I have two tables: CREATE TABLE thin_lines ( id NUMBER PRIMARY KEY, geom SDO_GEOMETRY), color ...
-5
votes
0answers
31 views

Debugging Packaging successful but publishing failed error message? [on hold]

Please consult the GP Results Window for enhanced error description from ArcGIS 10.1 for Server.
0
votes
1answer
68 views

Create and Find Shortest Path

In my project, I need to calculate each village's distance along a route to a seaport. However, as you can see in the picture(now deleted for space), not all the villages are connected to ...
3
votes
1answer
154 views

POST to the CartoDB imports API from Google AppEngine / Python

Creating tables using the CartoDB SQL api is a known bug/missing feature, CREATE TABLE queries sent via the SQL API create shadow tables that never show up in the dashboard. One potential way around ...
0
votes
0answers
20 views

iGIS failed to load shapefile?

I am using iGIS for iPAD When I try importing one particular shapefile it gives me an error(see attached pic) saying I have the wrong projection. It is the same one I use on my other 10shapefiles ...
0
votes
0answers
14 views

Arcpy unzipping script: ERROR 000714 Error in executing: cmd.exe /C

I wrote script for unzip archive with GDB. It works locally, i.e from ArcGis Desktop. But when I publish scrypt as geoprocessing service, it doesn't work - ERROR 000714: Error in script Zip22. Error ...
0
votes
1answer
18 views

How to automate ArcGIS share service with python

Right now i am sharing a map service in ArcGIS by following these steps. File --> Share as --> Service --> then click on overwrite an existing service --> select appropriate map --> Click on Analyse ...
2
votes
1answer
43 views

developing a Talking Map

I need to develop a prototype of a web application that speaks : When you click on a city (point) it says the city name (Audio files are ready) I want to use ArcGIS Javascript API. do you have any ...
0
votes
1answer
9 views

load json url into a leaflet map

Based on this example http://labs.easyblog.it/maps/leaflet-layerjson/examples/overpass.html I'm trying to load the following url into a Leaflet map ...
3
votes
1answer
20 views

Capturing geotagged text notes for field work?

I'm looking for a smartphone application that will allow me to take notes at a site in the field and associate each note with a geotag (like photos) of the current location which I can then later ...
0
votes
1answer
36 views

Windows software with no need for graphic viewer to explore WFS service?

The city of Haarlem (Netherlands) publishes all its open data through a WFS service. To examine if I can build an interesting application with it I would like to explore the data this service ...
3
votes
1answer
186 views

Building a ol3 webapplication with dynamic content and user registration

My setup: currently i'm using a postgis database, get it with a geoserver and display it with openlayers 3. I use the wfs data to display the features in clusters and i'm able to edit them with wfs-t. ...
2
votes
4answers
2k views

Looking for an efficient way of digitizing building footprints using orthophotos and ArcGIS 10

In the past I've used PCI Geomatica to do something similar using the softwares classification functionality. Are there some tools/tricks in ArcGIS that will partially automate the process. I remember ...
0
votes
3answers
162 views

Arcmap Refresh Button

I am working with ArcMap and C#. In the bottom left hand corner, there is a menu where you can toggle between Data view and Layout View, a Pause button, and a refresh button. I have created an Add-in ...
2
votes
0answers
228 views

Segmentation Image used to classify RGB image in ERDAS and GIS

My ERDAS 2013 does not have the advanced Image Objective Extension for feature extraction.. I am using thus the tool Image Segmentation (Unsupervised -> Image Segmentation) to classify my RGB image ...
1
vote
1answer
142 views

Setting height and width to TileWMS layer in Openlayers 3

I'm trying to setup a TileWMS layer in Openlayer 3 as var baseMap = new ol.layer.Tile({ title: "MayBase Map", source: new ol.source.TileWMS({ url: mapUrl, ...
3
votes
2answers
64 views

Why does the resolution decrease with increasing incidence angle in the Sentinel-1 SAR sattelite

On this link (Sentinel1 webpage for a SLC product), the resolution is written as a range from the highest corresponding to low incidence angle, to the lowest resolution corresponding to high incidence ...
0
votes
1answer
41 views

What's the relationship between the pixel spacing and the resolution

Let's take as an example the Sentinel-1 SAR satellite for which data is accessible online. The pixel spacing in the range and in the azimuth are found inside the xml files bundled with the product. ...
0
votes
1answer
186 views

Field Equipment: Geneq SXBlue II with iPad and ArcGIS Collector app

My company just recently purchased a Geneq SXBlue II GNSS receiver to be pair with an iPad and the Collector for ArcGIS app. I have heard great things about the submeter accuracy of the unit; ...
3
votes
1answer
28 views

Adding vertices to polygon in PostGIS?

For example I have rectangular polygon (4 vertices). I want to add mid-point on each line of the polygon, so in total now I have 8 vertices. And from them I want to build new polygon who will have ...
1
vote
2answers
16 views

Intersection between line & polygon in PostGIS?

I have a linestrings consist of 2 vertices. I want to get all lines that don't intersects with any polygons on the way. In my example: blue line Not intersects - only touches some polygons, but black ...
0
votes
1answer
31 views

Point Sampler Python Error in QGIS?

I downloaded the point sampling tool for QGIS and I'm trying to run it. A few days ago it worked fine, but now it gives the following error: An error has occured while executing Python code: ...
1
vote
1answer
372 views

Is there free WFS 2.0 client?

I have the task to provide my point observations data in the "WFS 2.0" (Web Feature Service 2.0) standard format. Are there any free, easy-to-use, desktop GIS clients or online viewers for showing ...
0
votes
1answer
153 views

TileStache:TileStache.Core.KnownUnknown: Couldn't get a layer from data source!

I want to use tilestache to get geojson files. I hava run tilestache-server.py -c tilestache.cfg ,and it works well. However,I want to get tiles from data stored in postgis. Maybe it will need to run ...

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