0
votes
0answers
3 views

Convert many kml files into one kmz

Is it possible one kmz file to have many kml files? If yes, how can I convert programmatically the kml files to a kmz? In case of one kml file, I read that its enough to place the kml in a folder, zip ...
0
votes
2answers
25 views

Is there an easy way to find closest point on line in iOS?

I have a coordinate, and a path. I need to find a point on path closest to my coordinate. Something like http://turfjs.org/static/docs/module-turf_point-on-line.html but for iOS. ArcGIS doesn't seem ...
2
votes
1answer
387 views

How to make SQL definition query in ArcGIS to show only unique values (hide duplicates)?

I have a vector file with field of type LONG. Some values of this field are duplicates. Is it possible to make such SQL definition query in ArcGIS 10.3 to show only unique values without duplicates? ...
0
votes
0answers
9 views

Post Processing Landsat Images

Please how can one edit the Landsat images clearing the dark parts and combining the images into one?
2
votes
1answer
20 views

How to create points along a line according to attribute data in QGIS?

I would like to create equidistant points along lines in QGIS, but each of my lines have an attribute of how many points should be on them in a column called "piece" and these values are different in ...
0
votes
1answer
239 views

Rotate Feature or Geometry OpenLayers 3

I would like to programmatically rotate a feature (or its associated geometry) in OpenLayers3. I know I can rotate the view, but I'd like to apply the rotation to the feature/geometry only.
0
votes
0answers
50 views

Can I get the coordinates of maritime borders from Google Maps and validate it? [on hold]

Our fisherman are facing real time problem every day because of crossing border limit of sea level. Lets take this problem as an opportunity to give simple HTML5 application. So I want to check ...
0
votes
0answers
12 views

How can rewrite this query for using with commonly used lat-long values

I have this query to get the nearest road vertices from a bus stop point. Ho can a re-write this query to pass commonly used lat-long values like in google maps instead of 715127 957625 SELECT * ...
0
votes
0answers
8 views

Using OTB in QGIS

I have been tasked to digitize our plantation blocks planted with pineapple from a UAV image with a resoultion of 5.3cm/pixel. These blocks are somewhat oblong in shape and are about 0.8 ...
2
votes
2answers
206 views

Split polygon based on line segment

I am trying to split a street polygon based on the segment ID of the street, giving them the same segment_ID in the attribute table of the street lines. I did not use the line feature class to derive ...
0
votes
0answers
9 views

Creating Proj4 string for local coordinates

I am fairly new to coordinate system conversion, so am rather lost on the following problem. We have been using Proj4 to convert between various coordinate systems which is fine for known coordinate ...
4
votes
1answer
274 views

Geoserver Extension access restriction with proxy nginx

I have installed Geoserver on my server. And I have proxy server(installed nginx) to access Geoserver. location /geoserver { proxy_pass http://127.0.0.1/geoserver/; } ...
1
vote
0answers
8 views

R: Krovak projection in R - identical in ArcGIS, different in R?

I have two files: shapefile and raster, both in the same coordinate system in ArcGIS: EPSG 5514. Check information on projection in ArcGIS for raster: S-JTSK_Krovak_East_North WKID: 5514 Authority: ...
2
votes
1answer
738 views

Using arcpy.Exists for domains?

A script I made creates domains within a selected geodatabase. I need it to not create the domains if they already exist because if they do, it gives an error saying invalid domain name. What's the ...
2
votes
1answer
16 views

PostGIS - Linestring doesn't contain a Point - Problem

I have a problem to check if a Linestring contains a Point. I consider the straight line y = 0.1 x , and take by it a segment l='Linestring( 0 0 , 4 0.4 )' and a Point p on segment l, p = 'Point(1.5 ...
1
vote
1answer
2k views

GPS Coordinates to WKID 102100

I'm currently creating a project for ios and I'm using the latest ArcGIS IOS api. I have a mapView that is using the spatial reference skid 102100 and i am receiving lat long coordinates from an ...
1
vote
2answers
345 views

invalid KML representation on ST_GeomFromKML

I exported a table with a geography(MultiPolygon,4326) column using ogr2ogr to a KML file. When trying to re-import any of the shapes using the ST_GeomFromKML function I get the following error: ...
0
votes
0answers
14 views

Get points from linestring with extreme angles

I intend to remove points from a linestring with extreme angles like the image link Get the points Remove from linestring
0
votes
0answers
3 views

Automating the Road Graph “shortest path” plugin in QGIS to batch compute routes

Is anyone aware of how to automate the Road Graph "Shortest Path" plugin in QGIS, calculating multiple routes from multiple origins to multiple destinations, using two point files and road network, ...
2
votes
0answers
19 views

How do I rotate a coordinate system (ArcGIS/GDAL driver)?

I am trying to get oblique tiles into a mosaic dataset. The tiling scheme works perfectly well for vertical and north imagery (using google tiling scheme) through the GDAL driver, however I am ...
0
votes
1answer
1k views

Marker layer not responding to events in OpenLayers

I have multiple layers in OpenLayers: three vector layers, one google map layer, and a marker layer. I registered feature selected event to all three vector layers (which works fine, but btw is that a ...
0
votes
0answers
9 views

PyQGIS + Django Web Server — Not Working the Second Time Code Is Run

We are trying to create a standalone application on our local Django web server that uses PyQGIS to generate a series of maps based on a user's input. The user enters parameters on a web form and and ...
0
votes
0answers
8 views

Where can one get geojson for world mountains, rivers, falls? [on hold]

I have already checked geojson files on http://www.naturalearthdata.com/ and they do not contain everything for earth features such as mountains, rivers, falls, volcanos across the world. Is it that ...
4
votes
2answers
586 views

Getting buffer wizard-like speed in Python (vs using MultipleRingBuffer_analysis)

I've got a script that takes a single input polygon feature, throws 10 buffers around it at tenths of a specified input distance, and then symbolises the output based on an existing layer file. ...
0
votes
1answer
896 views

“Update Altitude” does not work on TCX Converter

I have downloaded TCX Converter from the official site. Although I update altitude data of points which I created from Google Earth, they can't be displayed on table. Only "ml>" is written on ...
1
vote
1answer
207 views

Displaying postgis database data

I'm a beginner in this field and tried to display the postgis database data in localhost.But i used select query in my code .so the table got displayed.I want to display the geographical points in a ...
5
votes
2answers
532 views

Can ArcPy 10.1 be used to generate true curve elliptical polygons in a file geodatabase?

As background, this question arose from trying to answer a question on How to generate overlapping polygons from lines output from Table To Ellipse tool? Using the ArcMap GUI it is very easy to ...
-2
votes
1answer
13 views

Converting multiple sequential images into GIF or AVI [on hold]

I have 400 images of water level variation as per the time. In the folder it look like this one. How to animate each image sequentially into a GIF or AVI? I would like to have 2 seconds for each ...
0
votes
0answers
16 views

Measuring Volumes using DEMs

I've done quite a bit of research here and elsewhere and am still having trouble coming up with a solution for measuring volumes using a DEM derived from high-resolution (1 m) stereo satellite ...
-3
votes
0answers
39 views

Cannot get correct result for output [on hold]

The attached is my Code and explanation of what I need to do. I have the code which has been edited and modified by someone here. I need to add more extra function for this and get my final output ...
0
votes
1answer
5 views

Cartodb - clone table from another user

Is there a way to clone a table from another user? The only way I see is exporting the dataset and importing again into your own account. This would be a nice feature for teaching, i.e., a simple ...
0
votes
0answers
16 views

Problem merging datasets on CartoDB

I'm trying to merge two datasets on CartoDB. The geometry in one of the datasets are points and in the other is polygon. In the new file after joining the geometry is always points and I want to be ...
-1
votes
0answers
12 views

Google Maps Streetview is now broken - even in the Google documentation sample

Someone else reported this issue (as in title), and I tried to comment on that but it wouldn't let me. It's not just Tamas' code that doesn't work, it's now broken on two of my sites that use it, ...
0
votes
2answers
509 views

PHP PostGIS to geoJSON missing required parametar error

I'm using this PHP PostGIS to geoJSON script: https://gist.github.com/bmcbride/1913855 But I keep getting this error: 'missing required parameter: geotable' This is my code: # Retrive URL ...
-2
votes
0answers
17 views

Help with definition query [on hold]

I have a layer with 5ft contour lines and it's just way too much on the eyes. I want to lighten it up by trying to show only 10 ft intervals. There is a field called "Elevation" that has the value in ...
2
votes
1answer
34 views

Importing large .asc files into QGIS

I've been given two .asc files containing a 1m raster data from a LiDAR survey. I only have access to QGIS.2.14.1 (which I'am using for the 1st time only having previous experience with ArcGIS) and ...
1
vote
2answers
31 views

arcpy won't return correct data types of layers

I wrote this so that arcpy would give me the data types for each of the layers in a map document. But, "Feature Layer" is the only type of data that is returned (apart from "N/A"). Shapefiles are ...
-1
votes
0answers
8 views

Layers Labeled “Override” in Printed PDF Legend

I have a Javascript function that creates a GraphicsLayer, adds some features to it, and then adds the layer to my ArcGIS Web Map. When I use the Print Widget to print my map I see the layer show up ...
3
votes
1answer
23 views

Arcpy Copy_management does not copy all records

I need some help with a python script that is copying a shapefile to a new folder location. I am using ArcGIS 10.3. I have a shapefile of imagery tile outlines that contains 17425 polygons. I need to ...
1
vote
0answers
7 views

Time enabled layers over different years (varying intervals)

I am trying to show land use change over several years. Each layer (there are 12 of them) is time enabled with a year, however, the intervals are not consistent. For example, I have 1966, 1971, 1976, ...
1
vote
0answers
14 views

Spatial AND temporal join between two point data sets

I was hoping I could get some pointers in how to approach this issue, which is tricky version of a spatial join. I have been searching and I can't find a particular solution to what I need. I have ...
2
votes
0answers
7 views

Symbolize a layer based on it's related table (1:M relationship class)

I have a layer of polygons joined by a relationship class to a table by Field = DistrictIDNumber The Table has multiple entries for each polygon so it is a one to many relationship. Is there any way ...
5
votes
1answer
114 views

Data-defined styles in Mapbox vector tiles

Is it possible to style Mapbox vector tiles (Mapbox GL JS) using a feature's attributes? Assuming each feature has an attribute color which is a hex color string, I tried "paint": { "fill-color": ...
2
votes
1answer
186 views

Intersection between polylines feature to polygon in QGIS

I would like to transform a line shapefile into polygons. However, the tool Vector>Geometry>Line to Polygon doesn'to work to me. What I would like to do is using the intersection between lines and ...
2
votes
2answers
26 views

Printing data driven pages takes a long time or not working

I am using arcmap 10.2.2 I have a document that has 31 data driven pages on it. Each page is in the 1:6500 scale, and I have a background map consisting of 15 different shapefiles for a county (like ...
0
votes
0answers
28 views

Leaflet : filter with condition

I want to insert a condition in a geojson filter. This condition is based in a variable called here varState: <button id='button1'>button1</button> <button ...
2
votes
1answer
524 views

3D geological model from cross sections, preferably using Open Source software

I work with engineering geology, and my workflow includes making many cross sections of a given site, with data from maps, fieldwork (outcrops) and boreholes. What I'm looking for is a way of taking ...
2
votes
0answers
22 views

Detect cattle on high resolution satellite images

I have no deeper expirience in remote sensing. I would like to know if it might be feasable to detect cattle (i.e. a single cow or bull) from a high resolution satellite image e.g. Worldview 3 with a ...
0
votes
0answers
7 views

I have two points in my geodjango models when serializing them using drf gis one of them gets renamed and the renamed one doesn't show in haystack?

class Space(TimeStampedModel): origin = models.PointField() destination = models.PointField() origin_address = models.CharField(max_length=255) destination_adress = ...
-1
votes
0answers
40 views

Is there a way to exclude the object ID field when using arcpy.TableToExcel_conversion()? [on hold]

I have reworked this issue several times. Here's the latest update: When using arcpy.TableToExcel_conversion(), ArcMap automatically generates an object ID field which I need to get rid of before the ...

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