0
votes
0answers
2 views

Error on GRASS GIS 7 Startup - Invalid line in RC file

Upon GRASS GIS 7.0.4 startup I keep getting this error: Cleaning up temporary files... Starting GRASS GIS... ERROR: Invalid line in RC file: ' ' (need ...
0
votes
0answers
2 views

Updating Marine Data in Nautical charts using RADAR image processing

Hello everyone above title is my final year research project. And can anyone help me to find links where I can download RADAR images(Coastal areas) free for research purposes. Thank You.
0
votes
0answers
9 views

How to pass variables of a python script to another python script on ArcGIS

I'm using python window of ArcGIS 10.2 to run a python script. But now I need to pass values from another python sript to main script, so I tryed this: import arcpy import subprocess subprocess.Popen(...
0
votes
0answers
2 views

ArcGIS API for JavaScript: Draw a Tracker Line from GPS points

I have gps points which sent from tacker device I need to draw a link in openstreet map ArcGIS with Javascript, How can I do this. I can convert gps points to any format that needs to be (XML, JSON, ...
0
votes
0answers
7 views

error gdal_translate in python script

I have a problem at converting a grib file to tif, here is the code that I use and the error::: import sys from osgeo import gdal gdal.AllRegister() driver = gdal.GetDriverByName('Local Disk') ...
0
votes
0answers
12 views

Aligning Raster to polyline - Geological Fault

I have two rasters representing geological layer boundaries that are seperated by a polyline representing a fault. There is a significant offset between those two rasters. Now, at the fault, of course,...
0
votes
0answers
9 views

Three dimensional Routing

I have created a route by hand using the Tracing Tool available in QGIS. I wanted to export all the coordinates to another program, so I saved them in a CSV file. The problem is that I can only see ...
0
votes
0answers
5 views

Visual studio problem with Map Control Application

I have installed Microsoft Visual Studio Proffisional 2013 (12.0.30501), ArcGis 10.3.4322, ArcEngine 10.3.4322, ArcObjects SDK for the Microsoft .NET framework 10.3.4322 I need to create an Add-in ...
0
votes
0answers
11 views

Decision Tree Analysis Using Arcmap?

I have three rasters that have been reclassified into 5 classes each. I would like to use decision tree analysis, using the classes in the 3 rasters to come up with a final raster that has 5 classes, ...
0
votes
0answers
9 views

Sentinel-1: calibrate images on python

I work with Sentinel-1 imagery (Interferometric Wide swath SLC VV and VH polarisation). How to calibrate this 2 images to get this images in right projection(not on this rotation and pixel values) ...
0
votes
1answer
12 views

Creating mosaic dataset in Python without using ArcGIS for Desktop Standard/Advanced?

Is there a way to create mosaic dataset via python, numpy or gdal libraries without having a Standard/Advanced ArcGIS?
0
votes
0answers
5 views

geoserver unable to publish image pyramid layer

i followed geoserver tutorial on how to create image pyramid layer. but i got the following error after clicking publish button java.lang.RuntimeException: Error occurred while building the ...
0
votes
1answer
21 views

Calculate distance between two points with QGIS 2.14.0

I need your help. I don’t use QGIS that much, so I’m a little bit lost. I have two shapefiles with the following information: List A: ID 1, xA, yA, ID 2, …. List B: ID 1, xB, yB, ID 2, …. x/y ...
0
votes
0answers
11 views

Expecting ArcCatalog category under command section in customize mode? [on hold]

I need to open an access file in arcmap, so i wanted to add OLE DB command button. but although, i open ArcCatalog first, there's no ArcCatalog category under command section in customize mode. what ...
0
votes
0answers
8 views

QGIS Atlas turning on/off raster layers

I'm attempting to create a series of maps in qgis atlas with the same coverage and background data but different raster outputs (flood mapping outputs for a range of scenarios). I've created a .shp ...
1
vote
0answers
17 views

How to find the coordinate system info from a LAS/Lidar file with python?

I found several examples of how one can query and manually set a coordinate system on a tif/raster file (GDAL/Python: How do I get coordinate system name from SpatialReference? or Is it possible to ...
0
votes
0answers
22 views

Corrupted Shapefiles when saving edits in QGIS

Has anyone experience regular corruption of Shapefiles when saving edits in QGIS? Since testing the new LTR, we have had regular occurrences of the Shapefile being corrupted, and "_packed" SHP and ...
0
votes
0answers
20 views

GeoJSON, Google Maps, and 'lazy loading'

One of my projects involves a 'live-fetch' of geoJSON-ified data from a GIS-capable PostgreSQL server: I'm examining its performance as an alternative to tiling. Our tiling goes all the way to zoom ...
0
votes
0answers
8 views

Delete feature class attribute from sde database arcpy script [on hold]

I want to write a python standalone script which compares two feature class from SDE geodatabase. For Example, fc1 contains 10 attribute rows and fc2 contains only two rows which match with the fc1 ...
0
votes
0answers
15 views

How to convert a string of coordinates to a readable polyline for export as a geojson

I need to take an xls file which has multiple columns of data, and a column called coordinates which is a string of coordinates (ex. 147.775364306,-20.49918551,0 147.776402476,-20.500021717,0 147....
1
vote
0answers
23 views

Removing points outside of standard distance circle in ArcGIS for Desktop?

I have a feature class of companies where each may have multiple locations (for example, company A may have a cluster of points associated with it). For each company, I used the Standard Distance tool ...
0
votes
0answers
6 views

GRASS 7.3 r.fill.dir Does Not Create Output Raster

I am running GRASS 7.3 on Mac OS X El Capitan (2.9GHz, 8GB RAM). I have had to disable SIP in order to run it, but it works. I am hoping to perform some hydrological analyses on a few DEMs. My DEMs ...
3
votes
1answer
26 views

How to set up Python/ArcPy with ArcGIS Pro 1.3

My ArcGIS Pro install recently updated from 1.2 to 1.3. In reading Python in ArcGIS Pro 1.3 I discovered that Esri have changed how ArcGIS Pro uses Python/ArcPy. Legacy: In ArcGIS Pro 1.0 ...
0
votes
0answers
9 views

Install unstable Qgis-master alongside release version [duplicate]

Good day I have the release version of Qgis (2.16) installed into Mint and it can be updated just with apt install qgis whenever a notification comes out that a new version is released. I want to ...
1
vote
2answers
33 views

Import shapefiles from Manifold to Qgis

is it possible to import a shapefiles from manifold to Qgis with the same projection.?
-2
votes
1answer
10 views

VS Reporting don't show [on hold]

i'm using VS 2015 comunity, all patches installed, i want to make a report using reporting tools for create a report rdlc but when i go to 'add new item' i cant see the report or templates, do i have ...
1
vote
1answer
28 views

how to join a road network into as few lines as possible?

I am processing a polyline file that contains multiple lines representing city roads. I would like to join the lines together into as few lines as possible. I've tried using the 'join multiple lines' ...
0
votes
1answer
23 views

QGIS: “Data source is invalid” error when calling method

QGIS 2.14 on Windows 7. I'm trying to call a method in a python script from the QGIS python console. I've put the directory in which the scripts resides in the PYTHONPATH in both the windows system ...
1
vote
2answers
15 views

Correct syntax for loading virtualxl spatialite table?

I believe I have successfully loaded a virtual Excel table into a spatialite database using the SQL below - typed into the qspatialite plugin for QGIS. create VIRTUAL TABLE MyVirtualTable1 USING ...
0
votes
1answer
14 views

Direct access to DGPS data in QGIS?

I'm heading out to the Arctic Circle (Spitsbergen) I have a Sokkia DGPS and Magnet on a tablet device (connects to the DGPS and logs the data), they connect via blue tooth etc. Can I bring the data ...
6
votes
1answer
145 views

What's the meaning of numbers before an EPSG code, e.g. the 6.9 in EPSG:6.9:4326?

A WFS server I was using offered boundaries data in the following EPSG codes: EPSG:6.9:27700 EPSG:6.9:4326 ...defined in the XML giveCapabilities spec like this: <DefaultCRS>urn:ogc:def:crs:...
1
vote
1answer
29 views

Why is the legend symbol alignment in Print Composer worse than in the main window layer list?

I created a point layer where point-symbols' size depends on a column of the attribute table. When they appear in Layers Panel, symbols look like this (every circle's centroid has the same "X-value" ...
1
vote
0answers
15 views

Compare symbols in pyqgis

I'm working with renderers and I want to compare symbols from two different renderers. Is there any way to do it in pyqgis/python? Here is how I get symbols: renderer = layer.rendererV2() category = ...
1
vote
1answer
24 views

How to tell what co-ordinate system a WFS server is giving?

I got a GML file from an ArcGIS-based WFS server and converted it to GeoJSON using Ogre (online ogr2ogr), but then got very strange results from that GeoJSON file. Here's the link to the ...
0
votes
1answer
14 views

Geographic movement in c# [on hold]

I'm programming an game app by c#. I want to calculate movement of objects in app screen. For example I want to know if my object move from a source to destination (using their latitude and longitude) ...
1
vote
0answers
12 views

How to dynamically move a polygon in map canvas?

I would like to dynamically move a polygon on QGIS map canvas with a python script. The polygon coordinates are updated every n seconds in txt file by an outside application. I tried the following ...
-1
votes
1answer
18 views

Calculate Cumulative Distance (incorporating slope) of a Line Feature Using ArcGIS

In ArcMap, when creating a line feature class within a geodatabase, the length of each record is automatically derived upon creation. This length is based on a distance measurement for a planar ...
-1
votes
0answers
19 views

How to programmingly get the feature from a layer by the feature's ID in Python QGIS? [on hold]

I have get a list of polygon features' ID, I want to get the corresponding polygon features by these IDs in the layer, then if I want to do some calculations by using the polygon's geometry. How can I ...
0
votes
1answer
19 views

GeoDjango - faster way to use polygon.crosses?

I have a polygon and a line segment. I want to know if the line segment is both inside and outsize the polygon. prepared works but is VERY slow. using prepared has helped but it's still no where ...
0
votes
0answers
2 views

Infowindow with various information

I have a data file with columns of cities and their data For example, Mexico / Contents 1 / Address1 Mexico / Contents 2 / Address2 Rio de Janeiro / Contents 3 / Address3 Rio de Janeiro / Contents 4/...
2
votes
1answer
21 views

Calculating 3d polygons' surface area using ArcGIS for Desktop?

I've got a polygon feature class with Z values enabled. The polygon entities represent billboards. I'm looking for a way to measure the front surface area of this entities - i.e the area of the ...
1
vote
0answers
12 views

Converting 3d polygon feature class into MultiPatch feature class using ArcGIS for Desktop?

I've got a polygon feature class with z values enabled. The polygon entities represent billboards. I'm looking for a way to convert those polygons into MultiPatch feature class entities. I'm using ...
0
votes
0answers
6 views

Filling Colors for Some Countries in Carto

I imported the "world borders" from the data set library in Carto. I want to fill/highlight some countries (say United States, Africa and Europe) with the same color but not all countries. How can I ...
-3
votes
0answers
19 views

Research project on “carpooling recommendations” [on hold]

I am working on a research project on "carpooling recommendations". I want to simulate an environment where taxicabs with attributes (ID, current location of taxi ,number of passengers in taxi) will ...
1
vote
2answers
47 views

ogr2ogr keep geometry when converting to CSV?

Using ogr2ogr, how to keep the geometry when converting to CSV? ( Nothing relevant here: http://www.gdal.org/drv_csv.html ) $ ogr2ogr -f "CSV" MyLayer.csv MyLayer.geojson Here is the begin of ...
0
votes
0answers
5 views

to set map extent dynamically by mapserver-cgi request

Is there any way to set map extent (in map file) dynamically according to mapserver-cgi request? by runtime substitution ? regards
-1
votes
0answers
19 views

Join attributes by location - QGIS

I am trying to perform an attributes join by location between a shapefile (with points) and a second shapefile (with polygons). The points are hydrometric gauges, whereas the polygons are catchments. ...
0
votes
0answers
12 views

problem in openlayers3 with mapserver-cgi

I want to form a map using mapserver-cgi. But it does not fit the basemap( OSM). msLayer = new ol.layer.Image({ source: new ol.source.ImageWMS({ url: 'http://localhost/...
0
votes
2answers
26 views

Summarizing point data to multi point data and creating convex hull in R

I have latitude and longitude information like 26.847905 73.9575005 for about 800 points, I need to trim these lat/lon information to say 3 decimal places. I used the following syntax in R # ...
0
votes
0answers
12 views

How to use gdal_calc.py for multi-band images?

My problem is that I have multi-band images (8 bands) in GEOTIFF format and I tried to use gdal_calc.py to calculate a conditional expression between those bands. However, I could not make it because ...

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