0
votes
0answers
2 views

Display gdal2tiles output openlayers 3.15.1

I have georeferenced an image raster with gdal and have create a new geotiff with EPSG:3857. Now I want to display it on my web site and I have two problems, probably because I don't understand enough ...
0
votes
0answers
2 views

Aster in ArcMap

Can you open and use Aster level 1T data in Arc Map? If so, how do you go about doing this? I am wanting to upload my classification shape files onto the larger map, i am not sure if this is possible. ...
0
votes
0answers
6 views

How to consolidate many-to-one overlapping polygon feature values into another polygon attribute?

I have a situation similar to the one here: Spatial join - many to one however the desired end product is a dissolved/aggregated feature that collects up all the values it was joined to. For example ...
0
votes
0answers
3 views

Getting long-lat coordinates from NARR LCC-gridded data using raster and rgdal in r

For context: I am a graduate student studying migration ecology of sea ducks on the Atlantic coast of NA and this is my first post on any of these forums. In my analysis, I require substantial ...
0
votes
0answers
4 views

Finding correct service for arcpy.createArcSDEconnectionFile_management in ArcPy?

I'm working on a toolbar for modifying an SDE database in acrmaps. My code works in a file geodatabase so I'm trying to use this function to make it work in an ArcSDE. I've gotten every other variable ...
1
vote
0answers
3 views

Is there a standard way to show navigability of waterways?

Is there a standard way to indicate whether a river is navigable? Even better, are there standard ways of showing various grades of navigability (accessible to small craft only, accessible to deep ...
0
votes
0answers
5 views

PostGIS raster to UTFGrid

I am trying to create a UTFgrid JSON with a Raster in PostGIS. The goal is to provide weather data for web maps. I found some libraries: https://github.com/Ecotrust/create-utfgrids ...
0
votes
0answers
9 views

Joining polygons to points when the points fall in the intersection of polygons. QGIS

I am using QGIS. I am hoping to join a set of geocoded points to polygons in such a way that the new snapefile will be points that have a new field which lists the attributes of the polygon it lies in ...
1
vote
1answer
10 views

Backup GIS data on postgis database from pgadmin3

I am using a postgis database with qgis and managing it with pgadmin3 I have already investigated the backup/restore options within pgadmin 3 and done one test run on one database I am wondering if ...
0
votes
0answers
9 views

Using ArcPy to compare two feature classes and export deltas

I would like to use a Python script to iterate through feature classes 1 and 2 and export the differences to a new table. So if feature class 1 contains 100 features and feature class two contains ...
1
vote
1answer
19 views

Arcpy Freezing on Field Calculation

I am trying to populate a grid with the number of features in each grid cell. I've gotten this script to work with a subset of the data, but when I try to run it on the full (52,000+) cell feature ...
1
vote
0answers
4 views

GeoFence: How to secure its REST API?

GeoFence is securing GeoServer quite nicely, but I can't find how to secure the GeoFence REST API. I've been able to access the REST API without any authentication.
0
votes
0answers
4 views

How to avoid QGIS line width scaling when exporting geometry to KML?

I have shapefiles loaded as linear geometries in QGIS. I use the layer properties dialog to apply some styling to them (color + linewidth). The goal is to output each layer as KML file. My problem ...
0
votes
0answers
4 views

Spatial extent not showing in Geonetwork metadata view

I have a problem displaying spatial extent in Geonetwork when I open some metadata record (as you can see from the image example). I get the right extent I previously defined in metadata editor, but ...
0
votes
0answers
5 views

Need to add my own parameter in WMS GeoServer

I have a project which requires to tracking request the Web Map Services through URL WMS. My customer want to make a services Portal to provide his partners the WMS, WFS as well, but he need to know ...
0
votes
0answers
20 views

Change coordinate system to add buffer in meters

I have am trying to add functionality to allow users to find points that are within a buffer distance inside or outside the parameter of a polygon. The map is in IProjectedCoordinateSystem so to my ...
1
vote
0answers
10 views

Per-pixel Descriptive Statistics through multiple Raster layers

I'm looking for computing different descriptive statistics through a set of raster layers. I need to make it with a python script capable of running into a standalone tool within the QGIS. To do so ...
0
votes
0answers
13 views

mean values from layers [duplicate]

I have downloaded from Search ArcGIS Online (from Add Data button) 3 layers. The first one is the topographic map (http://services.arcgisonline.com/ArcGIS/services/World_Topo_Map/MapServer?wsdl ), ...
0
votes
0answers
14 views

Why do labels in exports using HERE tiles appear tiny?

I am trying to export images from the QGIS print composer, the exported image has a basemap that is loaded from an XML file following this questions method. The export doesn't look at all like the ...
0
votes
0answers
2 views

How does distanceTo use accuracy in android.location.Location

I would like to know how exactly accuracy will be used in getting to know the distance with the build in function distanceTo(Location location). I have read everything in ...
0
votes
1answer
7 views

How to “clean up” undesired values in a slope raster

I have a reclassified slope raster with 3 values in band 1. My problem is that I want to polygonize this layer, but the surface is so irregular with a lot of plots in terraces and because of this it ...
0
votes
0answers
6 views

Why the street label is not showing in a feature in QGIS 2.14.2?

Why this street label is not visible even with zoom? It has 'name' in it... Here_qgis2.14.2_file
0
votes
0answers
14 views

Where to use the shp2pgsql commands?

I need to upload some very large tables (over 10Gb) into Postgis so I actually found this link What is the best hack for importing large datasets into PostGIS? The DB manager is far too slow and only ...
2
votes
1answer
10 views

Read multiple layers of KML file using R

I have a KML that 3970 layers. I am trying to read it into R using the following script: library(rgdal) lyr <- ogrListLayers("file.KML") mykml <- readOGR("file.KML","Layer1") This works but ...
0
votes
0answers
20 views

Shapefile analysis with ArcGIS10.1 [on hold]

I am using ArcGIS 10.1 for Desktop and I am struggling to make a shapefile with a map. I made the shapefile but I could not include a map with longitude and latitude. I have data about tuberculosis ...
0
votes
0answers
13 views

Generate points layer at line intersection

I have a line layer that is actually buffer polygons converted to a line layer. I would like to generate points at all places where 3 or more lines intersect. I would settle for places where 2 or more ...
-1
votes
0answers
15 views

Transitioning MapServer from 32bit to 64bit: CGI Error

I am moving a mapserver system from 32bit to 64bit Windows (too many frustrations with multiple python installations). There is no straightforward MS4W installation for 64 bit. I am using Apache2.4 ...
0
votes
1answer
14 views

ArcGIS ArcPy update attachments table rows

Some background: We were using Collector on Android to collect data for a layer, and we found out that the pictures that were attached contained no EXIF tags at all, including the orientation tag - ...
0
votes
1answer
5 views

POST CQL filter (with large geometry) in HTTP body

The size of an URL is limited. Therefore I'm not able to request a WFS with a complex geometry. I read (Geoserver POST filter to WMS layer) that is possible to do in a WMS, but I didn't get it to ...
0
votes
1answer
17 views

How to edit a table in order to count the number of points in the same location?

Using QGIS, I have a point shapefile that has multiple points with same coordinates across different locations. I need a count of those points. For example there are 15 features that have the exact ...
0
votes
0answers
13 views

QGIS 2.14.3 can't attach oracle spatial table

when I try to attach spatial table in QGIS, the application close without errors. The tables which have problem have a UUID column: mslink NUMBER(10,0) NOT NULL, uuid RAW(16) ...
0
votes
0answers
9 views

Analytical tool to predict up to where fish can migrate [on hold]

I would like to be able to predict up to where a fish can migrate from a given river or lac. I have to take into consideration water connectivity as well as barriers (naturals or artificial) that ...
0
votes
0answers
12 views

Using ARC to manipulate specific cells in a columns to create “lines” from ingested coordinates

I have a shapefile with LAT/LONG coordinates but there is no Start/Stop Columns, just the LAT/LONG. In order to use the XY to Line or Points to line tool I need to have a LAT_Start and LONG_Start; ...
0
votes
1answer
20 views

How to update a base map to get a better image

I want to use a base map under some layers I'm working on. It's in an island in Azores, Portugal. I need one World Imagery so It can be seen all the vegetation, buildins and streets. My problem is ...
0
votes
0answers
12 views

Creating Drive Time Polygons Across State Boundaries Using OSM?

I am using pgRouting on OpenStreetMaps to create drive time polygons. The challenge is that at state boundaries, these polygons effectively stop, since the roads in OSM are segmented at the state ...
0
votes
0answers
11 views

Neighborhood analyses with GRASS/QGIS using ASTER GDEM

I have a problem related with this question (Old question without answer: R.Neighbors with large neighborhoods?). Basically, I want to estimate roughness of a given area, for which I was using QGIS, ...
0
votes
1answer
15 views

How to print maps portions one by one in QGIS 2.14.2?

I have a map divided into different regions. Each piece have a number assigned (eg. 27). I have a page configured for printing the region (territory) along with 4 pieces of attribute tables filtered ...
0
votes
0answers
11 views

Opendap automated download with Python in ArcMap [on hold]

I want to use python to automate the download of satellite images from OpenDap. I did find a similar post here, but I have tried using this script and it does not work How I can extract a subset of ...
0
votes
0answers
3 views

Tuning Geoserver datastore with gsconfig

I'm trying to create a datastore in Geoserver with gsconfig and it works, up to a point where i want to enable for instance "Expose primary keys" or "Support on the fly geometry simplification" tags ...
0
votes
0answers
4 views

QGIS 2.14.3 export PostGIS layer to dxf issue

I am trying to export a PostGIS layer to dxf in QGIS (2.14.3) via Project>DXF-Export using the following settings (German GUI): When I open the resulting dxf in DWG TrueView 2016 I see nothing, but ...
0
votes
0answers
23 views

How to add the 'Go to XY' tool to ModelBuilder? [on hold]

I am trying to create a tool or program (its possible this may require python programming) that takes a point, entered by the user in the form of a street address or Lat Long and then returns whether ...
1
vote
1answer
34 views

Is there a way of labeling the number of points with the same coordinates?

After reading through the following question (which is kinda related but not quite what I need): How can I show points on the same coordinate as e.g. a bigger symbol in QGIS? I found out that there ...
0
votes
2answers
22 views

QGIS place labels next to the beggining or ending points of Linestrings but above the Linestring

I've got a Linestrings layer. Each Linestring has among other fields, these ones: id ENTRY EXIT 1 S1 E2 2 S1 E3 3 S1 E3 4 S1 E3 5 S1 E3 6 S1 E1 7 ...
0
votes
0answers
7 views

Transform projection with SharpMap

I have SharpMap loading a shapefile and displaying the rendered image to a PictureBox. If I open the shapefile in QGis I can see the SRC: +proj=merc +lon_0=100 +lat_ts=-41 +x_0=0 +y_0=0 ...
0
votes
2answers
18 views

QGIS error in merging large point shapefiles

While trying to merge 2 large point shapefiles using the merge shapefiles tool under the data management. These point files have over 20Gb and have the same coordinate system. Problem is, that the ...
2
votes
3answers
96 views

Sort a table by multiple columns in QGIS

In 2012 the answer was NO! How to sort by multiple fields at the same time? My data is in a SHP file, I want to sort by 3 fields. Has this changed in the last 4 years? == EDIT == A solution like ...
1
vote
1answer
51 views

QGIS show labels in beggining or ending points of Linestrings

I've got a Linestrings layer. Each Linestring has among other fields, these ones: id ENTRY EXIT 1 S1 E2 2 S1 E3 3 S1 E3 4 S1 E3 5 S1 E3 6 S1 E1 7 ...
0
votes
0answers
22 views

Turning .xy files to .xyz

I have a LIDAR dataset which provides .xy data in 2D (hokuyo ust-20lx LIDAR), I want to use gyroscope and GPS to make 3D point cloud in XYZ or LAS format. The most important thing is what application ...
0
votes
1answer
11 views

r.patch results in a blank map in GRASS

I have a collection of tiles downloaded from the EDINA Digimap service, in asc format. I imported these into GRASS using the r.in.gdal function, and they appear in the display screen as expected. I ...
0
votes
0answers
7 views

Creating Grids from WGS84 LO29 projections

I'm learning how to use QGIS for creating maps and other spatial analysis. But I am finding it difficult to add grids in the composer once you have added Data with a WGS84 Lo29 projection. It works ...

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