I'm trying to load into the QGIS an image generated from the NA CIA Fact Book PDF which uses Lambert Conformal Conic Projection, standard parallels 25°N and 77°N. I'd like to work with the exact projection from this PDF and overlay some vector data on top of it.

I think there is something wrong in my workflow. Here is what I've done so far

1. export the PDF to a TIFF file
2. Define a Custom CRS in QGIS:

+proj=lcc +lat_1=25 +lat_2=77 +lat_0=40 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs

3. Open the tiff file in georeferencer. When prompted for CRS, pick the custom defined lcc as above

4. Add 6 or so GCP at the grid intersections

5. Transformation settings: Linear/Nearest Neighbor/Target SRS: select the custom defined as above.

6. Once the image loads into qgis it does not look correct. I've tried Polynomial 2 transform but that didn't fix either.

My understanding is that when the source and dest projection does not change I should be able to use the Liniar transformation.

using QGIS 2.18.

I'm trying to load into the QGIS an image generated from the NA CIA Fact Book PDF which uses Lambert Conformal Conic Projection, standard parallels 25°N and 77°N. I'd like to work with the exact projection from this PDF and overlay some vector data on top of it.

I think there is something wrong in my workflow. Here is what I've done so far

1. export the PDF to a TIFF file
2. Define a Custom CRS in QGIS:

+proj=lcc +lat_1=25 +lat_2=77 +lat_0=40 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs

3. Open the tiff file in georeferencer. When prompted for CRS, pick the custom defined lcc as above

4. Add 6 or so GCP at the grid intersections

5. Transformation settings: Linear/Nearest Neighbor/Target SRS: select the custom defined as above.

6. Once the image loads into qgis it does not look correct. I've tried Polynomial 2 transform but that didn't fix either.

My understanding is that when the source and dest projection does not change I should be able to use the Liniar transformation.

using QGIS 2.18.

result in qgis:

I'm trying to load into the QGIS an image generated from the NA CIA Fact Book PDF which uses Lambert Conformal Conic Projection, standard parallels 25°N and 77°N. I'd like to work with the exact projection from this PDF and overlay some vector data on top of it.

I think there is something wrong in my workflow. Here is what I've done so far

1. export the PDF to a TIFF file
2. Define a Custom CRS in QGIS:

+proj=lcc +lat_1=25 +lat_2=77 +lat_0=40 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs

3. Open the tiff file in georeferencer. When prompted for CRS, pick the custom defined lcc as above

4. Add 6 or so GCP at the grid intersections

5. Transformation settings: Linear/Nearest Neighbor/Target SRS: select the custom defined as above.

6. Once the image loads into qgis it does not look correct. I've tried Polynomial 2 transform but that didn't fix either.

My understanding is that when the source and dest projection does not change I should be able to use the Liniar transformation.

using QGIS 2.18.

I'm trying to load into the QGIS an image generated from the NA CIA Fact Book PDF which uses Lambert Conformal Conic Projection, standard parallels 25°N and 77°N. I'd like to work with the exact projection from this PDF and overlay some vector data on top of it.

I think there is something wrong in my workflow. Here is what I've done so far

1. export the PDF to a TIFF file
2. Define a Custom CRS in QGIS:

+proj=lcc +lat_1=25 +lat_2=77 +lat_0=40 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs

3. Open the tiff file in georeferencer. When prompted for CRS, pick the custom defined lcc as above

4. Add 6 or so GCP at the grid intersections

5. Transformation settings: Linear/Nearest Neighbor/Target SRS: select the custom defined as above.

6. Once the image loads into qgis it does not look correct. I've tried Polynomial 2 transform but that didn't fix either.

My understanding is that when the source and dest projection does not change I should be able to use the Liniar transformation.

using QGIS 2.18.