0
votes
0answers
2 views

Lots of unclassified objects in eCognitions basic classification

Not for the first time I came upon the following problem in eCognition: After segmenting the objects, selecting samples for several classes and calculating their "membership function" in several ...
0
votes
0answers
6 views

Google Maps measure time to render markers

I want to measure how much time it takes to render markers on my map. I have a vector layer with data, like this: var vectorLayer = new google.maps.Data({map: map}); // add features to vectorLayer ...
0
votes
0answers
12 views

Creating several buffers in a loop fails

I'm experiencing a very weird behaviour when I try to create either several single or multiple buffers. I have a python script which conducts geoprocessing (creating buffers is one of the first steps) ...
0
votes
1answer
7 views

Adding WFS info popups on three WFS layers in Openlayers

Am doing a project using OpenLayers + Geoserver and am having four WFS layers that am using to display grids for each(schools,towns,hospitals).I wanted to know whether its possible to display ...
0
votes
1answer
8 views

How to store Google Maps DrawingManager Circle overlay in PostgreSQL Postgis GEOMETRY(GEOMETRY, 4326)

What is the correct way to store a Google Maps DrawingManager circle overlay? Should I just store the center as a POINT and the radius in a separate column or store a polygon using ST_Buffer()?
1
vote
0answers
8 views

QGIS Server - Internal Server Error

Maybe the question is answered often before, but i can't find a solution which works on my system I try to install qgis server by the tutorials by using the following links ...
0
votes
0answers
5 views

How to store Google Maps DrawingManager Rectangle overlay in PostgreSQL Postgis GEOMETRY(GEOMETRY, 4326)

What is the correct way to store a Google Maps DrawingManager rectangle overlay? The API basically provides me with NE & SW lat/long coordinates. Should I use BOX()? Is it possible to create a ...
0
votes
1answer
10 views

PostgreSQL PostGIS ST_Point_Inside_Circle() radius in meters

I'd like to begin by saying that I have very little knowledge and understanding when it comes to GIS (despite extensive experience with Google Maps API). PostGIS appears to be a whole new ball game on ...
1
vote
0answers
15 views

QGIS 2.8 Raster Layers Moved

I recently downloaded QGIS 2.8 and opened an existing project in it to check how it handled it and make any changes required. This project includes several raster heatmap layers. My problem is that ...
0
votes
0answers
10 views

How to insert Google Maps API Lat/Long into PostgreSQL Postgis GEOMETRY(GEOMETRY, 4326)

I'd like to begin by saying that I have very little knowledge and understanding when it comes to GIS (despite extensive experience with Google Maps API). PostGIS appears to be a whole new ball game on ...
0
votes
0answers
10 views

Legend ArcGIS Javascript does not recognize Legend from ArcGIS for server 10.2.2

I have created maps in ArcGIS for desktop and published them to ArcGIS for server 10.2.2. Because of performance issues I have created a group layer of the same map with different levels of details. ...
0
votes
0answers
17 views

Single point in R

My question might be very simple. I want to create a single point (with xy coordinates) in a specific region, in a specific position. I don't want to do that with qgis I want to do that in R. Is there ...
0
votes
2answers
28 views

Create my own navigation/routing system

I'm studding AI course and I need to create a routing or navigation program. I live in Barcelona and first at all I need Barcelona's street network data. I have found it here ...
0
votes
0answers
12 views

How to add an sql store to opengeo

I recently downloaded and installed GeoServer 2.6.2. One of my other colleagues asked me to add an SQL store for a proof of concept we are doing. When navigating to the "add new store" page I could ...
0
votes
0answers
7 views

spatialReference 4326 or 102100? for AGSRunTimeSDKforIOS 10.2.2 not working?

My Ipad App setting. IOS 8, AGSRunTimeSDKforIOS - 10.2.2 Esri Server side SDK - 10.22 App - GIS not working properly specially Buffer section. it was earlier with ...
0
votes
0answers
9 views

How to configure IIS for arcgis mobile maps for ArcGis server 10

I am having this problem- after enabling security for GIS services, i can't view my maps created for android, in mobile content. I used windows domain users. I can connect to GIS connection, i also ...
0
votes
0answers
5 views

Finding census block for given address using Tiger geocoder

I have a geocoder based on Tiger/Line data running on PostGIS. I need to find census block for a given address. How can I do it? Like I can do for census tract: SELECT get_tract(ST_Point(-71.101375, ...
0
votes
1answer
19 views

Offline map with less zoom size and maximum area covered

I am developing a mobile app for which an offline map is required. Is it possible to have such map within few 10s of MBs? The requirement is to have: Map with smaller zoom size; e.g. In this URL of ...
-2
votes
2answers
32 views

How to arcpy using automatically generated column names, calculation of the sum of all the columns by rows, update the results in a new column?

Does someone can help? import arcpy, os, string fc = "D:\\path\\exampless.shp" fields = arcpy.ListFields(fc) fieldNameList = [] for field in fields: if field.type in ("Double", ...
0
votes
0answers
20 views

ESRI ST_Geometry struct parse in java

I am trying to read and parse the ESRI ST_Geometry which is an oracle user defined type in java manually, and I follow this instructions, and it said that: .... Points: Contains the byte stream of ...
3
votes
2answers
27 views

How to update a Geoprocessing Service when its Python script changes?

I want to use a Python script to perform some analysis, and publish this via an ArcGIS Server Geoprocessing Service. A quick tour of publishing a geoprocessing service says to run the Python script ...
0
votes
0answers
3 views

Query shapefile for crop_to_cutline using gdalwarp

I have a shapefile with several polygons. I would like to clip a series of rasters but only use a single feature from the shapefile feature class. I am using gdal_warp. There is an option to query the ...
2
votes
2answers
27 views

Importing SVG symbols into QGIS

I've downloaded the SVG icon pack here: https://www.mapbox.com/maki/ How do I import these symbols into QGIS? As far as I can tell I need an .XML defining each symbol. Also using the Import from ...
0
votes
0answers
7 views

AVHRR Max NDVI product

I'm trying to take a max annual NDVI product derived from AVHRR and relate it to a specific area that I'm examining.This requires me to identify the region of interest based on Landsat scenes, and ...
-1
votes
0answers
25 views

Choosing Open Source GIS solution to embed into bespoke windows application? [on hold]

What is a good opensource GIS solution to embed into a bespoke windows application created using .NET (C#)? I have considered MapWindow and SharpMap. Are there any other free opensource solutions ...
0
votes
1answer
10 views

Orfeo Toolbox (OTB) Haralick texture extraction not running

i am using Qgis 2.8.1 (Wien) 64-bit when i run it this error immediately shows up: Algorithm Haralick Texture Extraction starting... unsupported operand type(s) for +: 'NoneType' and 'str' See log ...
-2
votes
0answers
20 views

How do i create a DEM that will create contour map with 1 foot contours [on hold]

How do I create a DEM with the correct pixel size/resolution or whatever in order to create a 1' contour map in feet not meters?
-1
votes
0answers
20 views

Filtering lidar data to only have ground points

I have tried using lasfilter and lasground but have been unable to create a DEM that will create a contour map with only ground points. How do I get rid of the unnecessary points?
0
votes
2answers
15 views

How to project WMS layers from GCS_WGS_1984 to UTM ED50 31N using ArcMap?

I'm using a WMS service to open different layers. Specifically I'm using this link: http://w24.bcn.cat/WMSBaseGuia/request.aspx I have the following problem. When I open these layers with Arcmap, ...
0
votes
0answers
15 views

Installation of QGIS Server on Ubuntu Server 14.04

I followed this tutorial in conjunction with the information provided at the QGIS Server tutorial page to install QGIS Server on Ubuntu Server 14.04. These sources consist of the standard steps for ...
1
vote
2answers
17 views

Programatically retrieve units from a map's SpatialReference

I'm trying to retrieve the units (like feet or meters) of the current spatial reference from an ArcGIS map, using the JavaScript API. I have the map's spatial reference object, with it's well-known ...
-7
votes
0answers
30 views

Need this book in pdf : Fundamentals of Geographic Information Systems [on hold]

Can someone find this book for me in pdf? Fundamentals of Geographic Information Systems by Michael N. Demers 4th edition. Thanks!
1
vote
1answer
24 views

Georeferencing an old map in QGIS using Thin Plate Spline

I georeferenced this old map using Thin Plate Spline, and Cubic Spline as transformation settings. However, the result was quite bad. Do I have to add points througout the whole rasterfile for this ...
1
vote
0answers
13 views

Dissolving polygons with common attribute within certain proximity to each other using QGIS?

I have a land parcel with a lot of polygons with the same attribute (owners). I would like to dissolve all the polygons with the same owners but only if the polygons are within 100m of each other. How ...
1
vote
0answers
7 views

Unable to use Map Service in Web App Builder

I've published a symbolized data set as a Map Service from ArcMap to my company's Server. I've successfully added this service to our ArcGIS Online account, using the "Add Item from Web" function and ...
0
votes
0answers
8 views

ArcGIS Javascript 3.12 ApplyEdits Issue

In my application I am drawing a freehand polygon, clicking a "Save" button and adding the polygon to my feature layer. This works correctly except when the polygon crosses itself (Image 1). When ...
0
votes
0answers
10 views

Live Updating OpenLayers Map

I am creating a live updating web map that color codes grids/blocks. When a user enters an X,Y value of a grid into a database, I need to color/fill in grids on multiple layers on my map in real ...
1
vote
0answers
12 views

QGIS Categorized Symbology based on joined table

I am trying to create categorized symbology for a data layer. The column that I would like to base the categories on is a result of a table join. For some reason it isn't working. All of my polygons ...
0
votes
0answers
23 views

User Input Parameters in ModelBuilder

I am using ModelBuilder successfully to iterate .txt files in a folder. These .txt files are full of spatial coordinates for points. This is part of a larger problem where I am analyzing historical ...
0
votes
0answers
35 views

Using if loop to concatenate rows Python [on hold]

I have a python script which brings in a JSON web-service I would like to concatenate rows. I have tried using the script before, but my table ends up truncated, with my SRList containing only 1 item ...
0
votes
0answers
16 views

CRS, pixels, and floor diagram

I am trying to create a building diagram for use in a DevExpress map control. My goal is to display a raster image background in the control with a vector overlay that defines features of interest. ...
0
votes
0answers
25 views

White box problem

As I am trying to work on getting this problem done , I am using Mosaic Dataset for the whole state of New Mexico using our NAIP ...now the problem is that I could not get rid of the white "box". I ...
0
votes
0answers
19 views

Image download from Google earth [on hold]

I tried to download data using Google sattelite map downloder from google earth. But I can't. The earth was an error that "Left longitude should be between -180 and 180." So, how can I download it? ...
1
vote
1answer
54 views

calculate the population inside a buffer with census data

I have population data matched with polygons and a set of points that I have drawn buffers around. Assuming that the population within each geographical area, i.e. the polygons, is evenly distributed, ...
0
votes
1answer
27 views

Select the first 5 rows of a selection after reverse sorting using an attribute field in ArcGIS 10.2 with Python

I have a feature class containing 380 polygons representing sedimentary basins and another polygon feature class representing oil discoveries within said basins. My plan is to: Iterate through all ...
1
vote
2answers
46 views

Calculate area size within a buffer

I have a park polygons layer and a set of points which I gave a 1000m buffer. For each of them I had calculated the area size with calculate geometry. So with which tool could I calculate the size of ...
0
votes
0answers
15 views

Using FME, Is there a way to transfer Metadata from an SDE FeatureClass to a Shapefile (shp.xml)

Is there a way to transfer, using FME, the metadata from an SDE featureclass to a shapefile?
1
vote
0answers
11 views

How does GeoServer render a Super or MegaTile

I'm working on chopping up a big mega map tile into smaller tiles at various zoom level. I'm surrounded with a problem first up in terms of how to get my big mega map tile with all the legends (with ...
1
vote
0answers
21 views

Displaying directional bandwidths in QGIS

I have a traffic model and want to display the results in QGIS. I have a shapefile for the road network and can easily annotate the flows onto this. However, I want to display the information as ...
1
vote
1answer
13 views

How to access multiple active layers?

qgis.utils.iface.activeLayer() accesses the current active layer, but what is there are multiple layers that are currently selected? How can I access both of these layers?

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