0
votes
0answers
5 views

Adding polylines to leaflet map in R

I am trying to add great circle routes between various regions in R. Here's the sample data: structure(list(CommencingRegion = c("RedSea", "EastAfrica", "GulfofMexico", "FarEast", "RedSea", "...
0
votes
0answers
4 views

QGIS Label Rule

I want to create rule based labeling for a layer where I want to label any features that have "private" anywhere in the value under "ROAD_NAME" So if I had Values: Highway 1 Highway 2 Road 1 Road 2 ...
0
votes
0answers
5 views

Getting Annotation Text Geometry Only (without leader line) as Polygon Using ArcObjects?

I have an annotation feature that also has a line callout (see picture). I need to use ArcObjects to get the polygon that surrounds ONLY the text (not the line callout). The following link is very ...
0
votes
0answers
10 views

Mapping values by Census Tract - California

I was able to map values by county in California, but I am trying to map by census tract. I downloaded the census tract file from census bureau and it shows 8,041 values. For the values, I pulled in ...
0
votes
0answers
13 views

ModelBuilder with functions

I want to build a Model-builder in ArcGis 10.5 using some functions like Grayscale function,how can I do it,because this function does not appear in toolbox.
2
votes
0answers
10 views

How to show label styles in map legend?

In a QGIS map legend, what methods can be used to show examples of a feature's label, in addition to its symbol? For example, a single point symbol might be used to show all cities, but the label ...
1
vote
0answers
9 views

QGIS 3 crashes on opening file dialog

I cannot get QGIS 3 to work. I've filed bug report #19629 but thought I'd also ask here to see if anyone has had this problem as it may just be my installation. This is on Windows 10. I have ...
0
votes
0answers
10 views

Playing with Events of BaseTool to draw Geometries.in ArcGis using ArcObjects C#

I have been trying to create a tool that creates a line using points. The idea in my mind is to get the points from a onmousedown Event and putting them in generic list and draw the line geometries ...
0
votes
0answers
4 views

Error adding Feature Class to TIN

I have a TIN triangle polygon shapefile. I can see all polygons have Z value and I can see as 3D in ArcScene, but to make analyses I want to "Create TIN" in ArcMap 10.5. When I create TIN as SF Type=...
0
votes
0answers
6 views

Reclassifying Raster to Vectorize in ArcScan

I have a raster file featuring sidewalks for an entire city. I created this raster from polygons with the intention of using ArcScan to extract a centerline from the raster. I know that the raster has ...
0
votes
0answers
5 views

Polygon Multiple FID attribute for one

I am using ArcMap attempting to find the total area of this multi-part polygon, however in the attribute table there are multiple FID corresponding to the same polygon. They all have the same acreage ...
0
votes
2answers
21 views

Select columns to keep from attribute table

I have lots of feature classes that I'm working with. But the attribute tables are really messy because I got the information from different sources. So I decided to clean them up. So i made a table ...
1
vote
1answer
9 views

How to select all points of a polygon in google earth engine as a single feature?

IMPORTS: var geometry = /* color: #d63000 */ee.Geometry.Polygon( [[[-67.76435852050781, -22.213792811479802], [-67.76641845703125, -22.220785143658368], [-67.75646209716797, -22....
0
votes
0answers
6 views

ArcGIS Server - Print Map aynschronously using Map_Only template

I'm trying to print a Map asynchronously using the ArcGIS printing tools. I'm successfully able to print the map using any template other than "MAP_ONLY". When i use "MAP_ONLY" template i get this ...
0
votes
0answers
5 views

QGIS 3 and Python import qgis.core error

I am trying to set up QGIS3 and python so I can write a script that uses GDAL- I want to do this from the OSGEO4W shell. I have read a lot of questions and followed some tutorials which led me to do ...
0
votes
0answers
4 views

Better way to download Sentinel-2 data from Google Cloud Storage with Python

I'm trying to download Sentinel-2 data from the Google Cloud Storage and basically adapted the FeLS-module (great work, by the way!). As it is done in the module, I also download the index.csv first (...
0
votes
1answer
9 views

Is it possible to take advantage of lowercase index on column using CQL filter on WFS?

I am querying a WFS housed in geoserver - the data itself lives in a postgresql database. I would like to run case insensitive queries against the WFS and see there is an option to specify ...
0
votes
0answers
4 views

remove white outline artefacts after gdalwarp/gdal2tiles

I am struggling with the similar problem as described here but with some differences: every raster I project twice using GDALWarp - into their initial projection (raster + .tfw) and then to EPSG:3857 (...
0
votes
1answer
7 views

GeoServer and GeoPackage

Is there any options to downloads a GeoPackage from GeoServer through wfs service? I undesrtand wfs output formats, but I cnat find documentation about download GeoPackage format.
0
votes
0answers
8 views

How to create a .tiff from ndarray in Gdal [on hold]

I am stuck with a code. I am trying to store as .tiff some ndarray. From some other forums I have recovered the following function. Still I do not understand why is on hold... is related to GIS. ...
0
votes
0answers
7 views

Enabling a parameter in a field map in a Python script

I am creating a customized version of the Find Identical tool in Python. The script works just fine, but there's one thing that I can't seem to figure out. In the standard ESRI Find Identical tool, ...
1
vote
1answer
18 views

Merge/Dissolve Polygon overlapping within

I have a polygon that has been broken down to an intersecting analysis point. Each segment has its own acreage within an acre field on the attribute table. I want the intersecting lines to be removed ...
2
votes
0answers
9 views

Project a point onto a profile tool graph in QGIS

I'm using the Profile Tool add-on in QGIS to extract a profile of a raster data layer. Along this profile there are a series of points which I'd like to project onto the Profile Tool graph so that I ...
0
votes
1answer
13 views

Querying Geospatial data in Athena database, getting rows in range of 5 miles from specified coordinates

I have database table Building with these columns: name, lat, lng How can I get all Buildings in range of 5 miles from specified coordinates, for example these: -84.38653999999998 33.72024 ? ...
0
votes
0answers
6 views

Adjusting Font Size and Page Layout for Map Export

I have been trying to publish maps with legend, scale bar and arrow. But after editing, when I add a legend, a scale bar or an arrow it is too big and I don't know how to bring it to an acceptable ...
0
votes
0answers
6 views

WMS from ArcGIS Online not showing in Python API script

I have a Web Map Layer (Prelim_CSLF) in my ArcGIS Online content that is not showing when I call it from the ArcGIS API in a Python script. The Layer comes from a public web mapping service. As you ...
0
votes
0answers
8 views

Change POPUP content on _maxButton click

I am working with a pretty standard Esri map with some clusters. You click on one of the markers and you are presented with a popup window, small size. When you click on the maximize button it ...
0
votes
0answers
7 views

Spatial functions with MySQL, XAMPP, and Wordpress

I am trying to figure out how to using the ST_AsGeoJSON function in MySQL, but I keep getting an error that says that this function does not exist. I have found in the MySQL documentation that this ...
0
votes
0answers
9 views

Creating OS tiles from OpenStreetMap extract

We are wanting to create UK tiles from OSM extracts (Greater London then UK) for an old system that uses OS tiles. So far I have used Maperitive to create some OSM tiles. The commands I used are: ...
-2
votes
2answers
24 views

Rename Features with IF/Else

I used arcpy.describe to get the shapetype of my features: desc = arcpy.Describe(Importpfad) geometryType = desc.shapeType Now i want to add this information at the end of the feature name. It also ...
0
votes
0answers
15 views

QGIS batch clip does not work. One by one it works fine

When using a batch clip QGIS gets stuck at some point giving me an unknown error, while just clipping one by one works just fine. Any idea what could be causing this? EDIT: log says: Uncaught error ...
0
votes
0answers
5 views

WTMS Error when adding Mapbox Layer to QGIS: Failed to download capabilities?

I've tried this a few different ways and can't quite get it to work using QGIS's add WTMS layer tool. The URL loads fine in a browser but won't download as a tile in QGIS. I don't have that good an ...
0
votes
1answer
7 views

How to rotate symbol in each point of LineString?

I have a linestring, and want to draw arrow forward and arrow back in each point except firat and last. Like this I have no problems with first and last point couse i can rotate arrows with ...
0
votes
0answers
5 views

Generate grid for specific scale in QGIS

I have a rather large map that I want to break down into smaller parts, or sheets. So I'm going to use the 'atlas' feature of QGIS Print Layouts. My layers in QGIS have a CRS of GDA94 (degrees), where ...
0
votes
0answers
8 views

Get all points from multiline in shapefile using C# and GDAL

I'm trying to read a shapefile and draw it using DirectX and GDAL library. So first I will read the shapefile and get a list of all the points in the shapefile. It works with linestring using GetPoint(...
0
votes
2answers
15 views

ISO 3661-2 Region Codes

I have noticed that Google Maps API provide the ISO code as the short name for the country. However for regions it is quite variable... For instance if I want to check Madrid, Spain: ISO-Code Spain: ...
0
votes
0answers
2 views

Error creating Terrain in HEC-RAS

I am struggling to produce a terrian file with RAS Mapper. I have a .tif file produced from a .asc raster elevation and when I tried to add a New Terrain Model as described in the documentation I get ...
0
votes
0answers
19 views

Path my toolboxes ESRI addins Python 2.7

I need my toolboxes path. These are in the installation folder (toolboxes) but when using the function: dir_tools = os.path.join(os.path.dirname(__file__),r'toolboxs\parametros.tbx') result: C:\...
0
votes
0answers
11 views

QGis deletes data after entering editing mode

we observed strange behaviour of Qgis 2.18.15 - when entering editing mode for a shapefile layer, Qgis erases data from specified columns in table of attributes - for the first record in the table. ...
0
votes
0answers
4 views

GDALReprojectImage (C++) quiet

I am using the GDALReprojectImage method from gdalwarper.h. Is there a way to suppress the output? The function has GDALWarpOptions * psOptions as an input but there in no quiet option. I have seen ...
1
vote
1answer
10 views

Show diagrams of area of interest by using Atlas, QGIS

I use the Atlas of QGIS 3.2. I already figured out how to show only attributes inside current Atlas feature using $id = @atlas_featureid. My problem is, as a coverage layer I am using layer with ...
-2
votes
0answers
17 views

Regridding from low to high resolution

I have data on a 5 degree by 5 degree grid, I wish to have it in 2.5 degree resolution; what are some of the best methods to deploy? I was using bilinear interpolation.
1
vote
1answer
80 views

PostgreSQL - only allow points to be added to the table (no polygons or lines)

I want to know if there is a way to only allow certain Geometry types to be added to a table in PostgreSQL. I have a tool that currently allows points, lines and polygons but would like to restrict ...
1
vote
3answers
53 views

Gaus Krueger shapefiles into Qgis

I'm trying to open a Gaus Krueger shapefile, which comes without any .prj files, in QGIS. These files are not really up to date but they're the only data i can get. So the first question is: Is it ...
1
vote
0answers
21 views

How to select of some trenches only in upstream of the station (select by location)

I have a shape (line) that represents the hydromorphology of watercourses and contains several parameters. This morphological study of watercourses has been done on every 100 meters of surface ...
1
vote
1answer
14 views

st_difference (erase overlapped feature) line from polygon

I have two layers. One is MultiLineString and the other is MultiPolygon. I am trying to erase lines that are on the polygon feature With QGIS difference tool, it worked just fine This is my code and ...
0
votes
0answers
10 views

viewing 3d geographic data (shapefiles, geojson etc.) in google maps?

As the title suggest, is it possible to upload some 3D data (i.e. data with z-values) to google maps and let other users on other computers access/view this data in 3D? And if so, how can this be ...
0
votes
0answers
7 views

changing WMS properties of table fields simultaneously

I am working on publishing web maps with QGIS and in order for the feature info display only to contain the html info text I defined in the display properties, it seems I have to uncheck the WMS box ...
1
vote
1answer
11 views

Enable tile caching for a layer

I published around 1000 layers in geoserver without enabling tile caching for layer.How to check a cache is enabled for a layer or not and How to enable tile caching (check box) for a layer under ...
0
votes
0answers
14 views

PyQGIS - Automatically download local map

I am trying to develop a program which will completely automatically generate a QGIS project to display data I have collected. In order to do this I need some way of automatically downloading some ...

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