The property of two different things being coincident or making them so.

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1answer
161 views

Interpolated raster not aligned with the vector data

I have loaded some tab delimited text data into QGis to interpolate the points. When I get to the interpolation (IDW) part everything breaks down. The output raster file does not align with the ...
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1answer
90 views

Projected MODIS data not aligning with ESRI basemap in ArcGIS for Desktop?

I can not get 1km MODIS data aligned with ESRI basemaps in ArcGIS 10.2.2 for Desktop. See the photo below. I reprojected MODIS17A3 data using the MRT (MODIS reprojection tool). I selected WGS84 ...
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1answer
113 views

Align pixels from two rasters with different cell sizes

I have two rasters in a PostGIS database that I want to be able to compare. The first raster is at 5m pixel resolution and the second raster is at 30m pixel resolution and is on a different grid. How ...
4
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0answers
31 views

Center my contour values in QGIS

In QGIS have an issue with my contour value labels being pushed to the edge of my map, instead of lining up at the center where they seem to have more space. Does anyone know why this happens for some ...
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0answers
42 views

QGIS “Align Edge” equivalent?

I'm trying to move from Arc to QGIS, and spend a lot of time making maps out of polygon features. One tool that I can't find is an equivalent to ArcGIS' topology tool "Align Edge" - is there such a ...
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0answers
105 views

Which projection can I use to see alignments on great circles?

I want to put on a QGIS map some historical sites to check if they are aligned. If an alignement exists, the points should stay on a great circle (is this correct?). I want to visually verify this ...
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0answers
42 views

Aligning Points in Decimal Degrees

Running ArcMap 10.3 I am displaying a layer of manholes from a table coming from SQL. The XYs are in decimal degrees however they are displaying no where near my other layers (NYC PLUTO). I have ...
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0answers
165 views

List of vector to one raster in PostGIS

Hi PostGIS developers! I need to rasterize a part of OSM map by coordinates. I found rather good algorithm, but can’t finish it. I have problems in STEP 3. I described all algorithm here – may be ...
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0answers
42 views

Aligning polygons in ArcGIS for Desktop?

I am using ArcGIS 10.3 for Desktop. I am working on a map that I have divided into 5 zones. I have drawn 5 polygons to represent each zone. I need to align the polygons where the edges meet. I am ...
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0answers
62 views

Align Geotiff images in Qgis

I generated 3 drone maps of one area. The individual images were stitched using dronedeploy. Each map has some overlap with others. I imported all 3 geotiffs as rasters in Qgis and overlay them. ...
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0answers
86 views

How to align with QGIS two layers that have the same projection?

I am using QGIS 2.12.0 to create forest maps. I usually succeed to create maps from shapefiles with different projections but for some reason I cannot succeed to align the layer of one shapefile. As ...
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0answers
85 views

Extract By Mask Moving Pixels

I am creating some statistics based on certain values. The issue I am having is that the extracted values are not the same as the values in the original raster. This creates incorrect output, and I ...
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0answers
72 views

How to align hundreds of rasters quickly

I'm hoping to accurately align hundreds of aerial images that are slightly off-kilter. The images cover the same area on different dates (several acres). They contain identifiable features around ...
1
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0answers
41 views

Projecting Data with Transformations - Alignment Issue

Problem: I am having problems getting data to align properly with basemaps layers. The image below shows the difference between roads. The centerlines shapefile's coordinate system is ...
1
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0answers
143 views

How to rotate the screen in ArcGIS-Online?

I need to print out my map in ArcGISOnline, however I'm using a grid system and need to rotate the screen so that I can print each map individually and have them line up. Any thoughts on how to do ...
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0answers
13 views

Alignment in ST_Intersection with PostGIS raster

Trying to intersect two rasters, but they don't have the same scale. I have to do everything in one query. The query below gets the following error: The two rasters provided do not have the same ...
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0answers
23 views

Evaluating accuracy of registered images

I am performing image registration by extracting SURF features from 2 multi temporal satellite images, in Matlab, as explained here. The steps provided seem to work great for me, and I can visually ...
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0answers
274 views

Google and Croatia WMS do not line up with shapefiles (500 meter to East)

I am working on a project in Croatia. I can use the WMS files from geoportal.dgu.hr/wms. These line up perfectly with the google maps. As project CRS I use HTRS96/TM which has become standard in ...