Questions tagged [references]

When seeking information about specific (not lists of) books, papers, presentations, tutorials, videos of lectures, and other materials

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22 views

Deep learning classification satellite/airbone images in R? [duplicate]

I am looking for tutorials and guides to learn deep learning in remote sensing images (satellite imagery, ortophoto from airbone) in R, because I already know it quite well and would like to stay with ...
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0answers
31 views

Reference for Google Earth Engine Map Screenshot

I would like to use a screenshot of a Landsat Image in GEE in an university paper. I read the Terms of Use but still don't really know how to put the references correctly. When the image is displayed, ...
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1answer
25 views

PDF or HTML versions of Spatial Query Lab (FOSS4G Academy) lectures by Rick Smith

I am Spatial Science Teacher at TAFE NSW teaching Spatial Information Systems online. In 2019 our department started including links to many of the Spatial Query Lab SQL lectures in our resources. We ...
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1answer
64 views

Seeking ArcGIS Pro cheat sheet

Is there a cheat sheet that helps me remember where settings are hidden in ArcGIS Pro? I am looking for a poster that I can hang next to my monitor.
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1answer
31 views

Difference between Linear Hydrography and Area Hydrography

I am looking at the U.S. Census data and downloading the linear hydrography and area hydrography datasets to add to my first GIS map (I'm a new student). I am self-teaching GIS, and after a multitude ...
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1answer
32 views

Seeking Detection Tutorial for Google Earth Engine [closed]

Does anyone know a good tutorial to learn how to detect objects using Google Earth Engine? My goal is to find a smart way to detect objects (these objects are plantations in Ivory Coast) using Landsat ...
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0answers
50 views

How to learn GIS? [duplicate]

Could someone guide me where to study all about GIS and pursue it as a profession without going to college? I am seeking links.
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0answers
34 views

How to use QGIS Python API? [duplicate]

I am new to Python and QGIS, and I want to automate a process so I want to learn how to use the QGIS Pyhton API to make our own code and do the job. If anyone knows any tutorial about this then please ...
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0answers
362 views

Citing/attributing Google basemap in QGIS for research paper [closed]

I have searched Google for how to cite a Google base map in QGIS for a research paper and I cannot find the correct website for their rules for attribution. Can somebody quickly link me to their ...
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0answers
614 views

Getting started with SharpMap in Visual Studio with C#

I am trying to use SharpMap in Visual Studio with C#. My first step was to go to the Tutorials on CodePlex. https://archive.codeplex.com/wikipage?title=SharpMap%20Tutorial&referringTitle=Home But ...
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1answer
50 views

Converting Long Lat from Address in OpenLayers

I want to convert Long Lat from Address using OpenLayers. For example: Address: London => Lat: 51.507351 , Long: 0.127758 I can't document tutorial.
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1answer
136 views

Looking for 3D Data Visualization Tutorial in QGIS 3.10

I want to extrude polygons based on a attribute value, and then view this with 3D Map View. I have been struggling for days and are not getting anywhere. I am using QGIS 3.10.4. Can someone please ...
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53 views

Looking for CRS/Projection Services

As a part of my university project I am developing a web service that provides information about coordinate reference systems that were created in USSR. It will show its Proj.4 and WKT definitions, ...
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1answer
215 views

Parallel processing in QGIS3 on Windows system

I am working on a big vector data set with more than 2.4 million features containing 10x10m squares. I wrote a small script in Python to delete uninteresting fields and perform calculations on the ...
3
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1answer
174 views

Seeking tutorial to split group of layers in QGIS

I am trying to split a group of layers, but I can't find anything online about it. I have a layer with a paper clip on it (in the sidebar). I can't figure out how to break it. Could you link me to a ...
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1answer
268 views

Converting ArcSDE point data from image to MSSQL geometry

I have a bunch of points in an SDE table which is currently stored in an MSSQL database. The full entry is below, while the data i'm trying to convert from binary to geometry is: ...
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0answers
83 views

Wrong coordinate

I'm working on Sudan I opened a Google map layer from the quick map services I don't know how to set the project coordinate system to get to correct longitude and latitude Should the project have a ...
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0answers
25 views

Satellite moving target tracking simulation

I am trying to create a Simulation of an earth-pointing satellite. The satellite should track a moving target on the ground via an on-board camera. How can I calculate the goal attitude of the ...
3
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1answer
503 views

Converting Model in Plug-in in QGIS

Recently, I started making a model on QGIS and now I want to transform it into a plug-in, but it seems that I have to change the code to do it, otherwise it won't work. What changes are required to ...
2
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1answer
163 views

Seeking tutorials online explaining how to draw squares (having specific length) in QGIS?

I need to produce in QGIS a square having a specific dimension (1km x 1km). First I created a new polygon layer, but when I start editing through the Advanced editing tool, the program crashes. I ...
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2answers
1k views

How to make a fictional city map? [closed]

I'm currently making fictional city for my novel project, and I need a tool for making city map. I tried Adobe Illustrator, but it'll be quite hard labeling each streets, parks, buildings etc. I saw ...
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1answer
30 views

Where can I find images of the Buttons? [duplicate]

I am trying to write a tutorial for simple QGIS functions. I would like to include a set of buttons, each with an explanation of what its function is. Can anyone tell me where I could find the buttons ...
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1answer
56 views

Label or font colors on an imagery background examples

I have been in searching of a website that was done by somebody from ESRI that wrote about...if I remember right...it was in either on the ArcGIS Mapping Center or in the ESRI Technical support ...
2
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1answer
227 views

What is QGIS private cloud?

I am working on a conservation project involving rare species and we have a lot of sensitive data and about 50 people to whom we need to supply maps to. At least at this stage we can not justify ...
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1answer
61 views

Seeking tutorials about GIS workflows in FME? [closed]

I have never used FME for spatial processes before. However, I would like to use it in automating some GIS processes and learn. Are there are any specific tutorials that explain this?
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1answer
766 views

Hosting raster tiles on GeoServer? [closed]

I am new to GIS world. I am trying to host raster images (TIFF) which I need to convert in tiles and host on GeoServer and prepare the service URL so that any user using that service zoom to any ...
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0answers
47 views

Searching styles for indoor maps

I have data that represents Airport floor plans stored in GeoJSON format. Are there any standards, guidance, or good practices for Indoor Maps Styling? Any references or resources would be useful.
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2answers
65 views

Learning DEM resources? [closed]

I'm starting on a problem where I need to find the high point inside a polygon that exists inside the bounds of a DEM tile. I'm teaching myself GDAL and I'll be using Python to access the GDAL library....
15
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2answers
530 views

Transferring flows (connections + values) between polygons

In QGIS there are two shapefiles representing the moving data between cells and one additional layer, see image below Moving data defined by: Polygon "LayerA" (transparent squares with red outline)...
2
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1answer
197 views

Inherited values between polygons in QGIS [duplicate]

In this project, I have three polygons, see the image below 'Polygons_From', includes input attributes, i.g. "Value_1", "Value_2", "Value_3", and $area for each quadrate ...
1
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1answer
65 views

Citing data on map layout?

I am working on a thematic site map for a scientific study. In addition to my own data that will be displayed on the map, I have included reference data from U.S. federal agencies (e.g. National ...
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0answers
168 views

Understanding proj4, epsg and esri *.prj in depth? [closed]

Where can I find a good resource that teaches me 1) about the difference between proj4, EPSG and ESRI *.prj? (Why do several coordinate system definitions exist? When should I use which? How are they ...
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1answer
59 views

Calculating Viewshed of a region rather than a point [closed]

There are various calculations to find the viewshed of a point and all of them have different runtimes. the fastest is the calculation of line of sight angle and compare with upcoming cells. But what ...
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0answers
92 views

How to read PyQGIS documentation? [closed]

As I get more into QGIS scripting, I refer to the documentation often and usually without success. I have trouble deciphering how to interpret the classes, etc. I've been really struggling to create ...
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1answer
62 views

Learning to use QGIS online? [duplicate]

I want to start using QGIS. I have worked in ArcGIS but I would like to start learning QGIS online. Any suggestions for good online courses (hopefully free or not very expensive)?
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1answer
130 views

Seeking MODIS Land Surface Temperature reference? [closed]

Can anyone point me toward an article that converts the LST values on the MODIS LST Image to degrees Celsius? My purpose is find a reference (article, book or theses) for this formula that converts ...
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4answers
1k views

Using WinForms with ArcGIS Pro SDK?

I want to port a tool developed in ArcObjects for ArcMaps into ArcGIS Pro using the ArcGIS Pro SDK. The tool's UI was created using WinForms but to recreate the UI in ArcGIS Pro is looks like I would ...
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1answer
1k views

Developing QGIS Python plugins using Jupyter?

Is it possible to run PYQGIS commands using Jupyter notebook and, if so, is there any documentation to develop QGIS plugins using Jupyter?
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1answer
184 views

Creating polygon from leased unit metes and bounds calls using ArcMap? [closed]

I have a dataset containing with metes and bounds listing an area. I want to build a layer from these calls and produce the lines (polygons) that show the area. I know there may be a bit of ...
1
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1answer
57 views

Have you all solve importing Z point from dxf to QGIS? [duplicate]

I have read all the answer about importing dxf to QGIS, but I still not understand yet. Does anyone have a video link (youtube or another) that show me step by step to export dxf with Z point to QGIS?...
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0answers
29 views

Recommended Books on Arcpy/Python and GIS [duplicate]

Does anyone have recommendations on books/workbooks that I can read that goes beyond a beginner's level for Arcpy/Python with GIS? I've written several scripts, some simple, some complex, but I want ...
3
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1answer
5k views

Latitude, longitude, projections, CRS [closed]

I'm confused about the following basic points: Do lat/long points have a projection or are they projection agnostic? Do these points live in a sphere or a plane? I understand that projections are ...
6
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2answers
2k views

Why did Esri create .zlas compressed LiDAR files instead of adopting .laz?

I am talking about the Esri Optimized LAS file format for compressed LiDAR files (.zlas). While the uncompressed format (.las) from ASPRS was adopted by practically the entire Remote Sensing and GIS ...
4
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2answers
1k views

Surveys showing GPS accuracy in different models of smartphones?

Are there any surveys that give accuracy in meters for different smartphones (e.g, iPhone 6: 8 meters, Samsung Galaxy S8: 7 meters) regardless of what the statistical method is being used?
2
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1answer
401 views

Understanding OpenLayers? [closed]

I realized a project with OpenLayers 3 some time ago, but now I do not understand anything anymore. I should install any packages? npm install ol. But even that does not work. I now have the ...
1
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6answers
180 views

Seeking topics to be mentioned in beginners guide on QGIS? [duplicate]

Currently I am compiling a FAQ for my company on QGis, since some people feel the need to work more with QGis. I am the person to go to, when some specific problems appear, but I see a need to give ...
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1answer
142 views

Seeking tutorial on Time Slider in Carto?

I want to add a time slider to a map. It looks as if I have to do that via CartoCSS but I really don't know where to start. Unfortunately, I don't understand what all the other posts regarding this ...
2
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0answers
81 views

Cartographic numbering of points on map

Usually when I create maps with a set of numbered points (e.g. numbered locations on the map which link across to a separate table describing these points) I try to number them in a rough "reading ...
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1answer
146 views

Loading LIDAR data to POSTGRES and use it with DJANGO [closed]

I have some project at the Faculty and I don't know from where to begin. I have point cloud data (LIDAR data) and I need to make the website with that data on it and with functions for some sort of ...
0
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1answer
4k views

Creating Elevation Profile from Line Shapefile of Contours using QGIS?

I have a line shapefile that contains contour lines. The attribute table of the shapefile has a field that gives the elevation of each line. I would like to draw a line across the contours and get an ...

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